WO1997022101A1 - Electronic book and method of selecting a primary font and a primary size for displaying text therewith - Google Patents

Electronic book and method of selecting a primary font and a primary size for displaying text therewith Download PDF

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Publication number
WO1997022101A1
WO1997022101A1 PCT/US1996/019609 US9619609W WO9722101A1 WO 1997022101 A1 WO1997022101 A1 WO 1997022101A1 US 9619609 W US9619609 W US 9619609W WO 9722101 A1 WO9722101 A1 WO 9722101A1
Authority
WO
WIPO (PCT)
Prior art keywords
book
user
page
displaying
font
Prior art date
Application number
PCT/US1996/019609
Other languages
French (fr)
Inventor
James Huffman
Russell L. Collins
Original Assignee
Motorola Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc. filed Critical Motorola Inc.
Priority to AU14132/97A priority Critical patent/AU1413297A/en
Publication of WO1997022101A1 publication Critical patent/WO1997022101A1/en

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
    • G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems

Definitions

  • the present invention is related to the following invention which is assigned to the same assignee as the present invention:
  • the present invention relates to electronic books having the look and feel of real paper books and methods of selecting a primary font and a primary size for displaying text therewith.
  • a typical hand-held electronic reading device includes a display device to display the textual information and a user interface which allows a user to navigate through the textual information and access various features of the electronic reading device.
  • the display device and the user interface are incorporated in a hand-held housing to facilitate portability of the electronic reading device.
  • buttons are depressed in a predetermined manner either to navigate through the textual information or to access various features of the device.
  • many hand-held electronic reading devices implement the user interface in a manner which does not provide a simple, intuitive, or efficient method for navigating the textual information or for accessing the features.
  • U.S. Patent No. 5,233,333 to Borsuk discloses a hand ⁇ held portable reading unit having a button located thereon for varying a font size in which the textual information is displayed. Depression of the button increments an internal variable related to the font size. A user selects a desired font size by repeatedly depressing the font size select button until the desired font size is displayed on the reading unit. Consequently, the user must cycle through a number of font sizes until arriving at the desired font size.
  • FIG. 1 is a view of an embodiment of an electronic book in a closed position
  • FIG. 2 is a view of the embodiment of the electronic book of FIG. 1 in an open position
  • FIG. 3 is a block diagram of an embodiment of the electronic book
  • FIG . 4 is an illustration of various hot spot locations used to provide control of the electronic book to a user
  • FIG. 5 is an illustration of a library screen display using an embodiment of the electronic book
  • FIG. 6 is an illustration of a user-initiated event to open the desired book from the library screen
  • FIG. 7 is an illustration of a first page of a book displayed on an embodiment of the electronic book
  • FIG. 8 is an illustration of a title page of a book displayed on an embodiment of the electronic book
  • FIG. 9 is an illustration of a font selection page displayed on an embodiment of the electronic book
  • FIG. 10 is an illustration of the title page of the book which is displayed upon exiting the font selection page
  • FIG. 11 s an illustration of a system control page displayed in an embodiment of the electronic book
  • FIG. 12 is an illustration of the title page of the book which is displayed upon exiting the system control page
  • FIG. 13 is an illustration of the title page of the book wherein a radio frequency link option is selected
  • FIG 14 is an illustration of the title page of the book wherein a pacing control option is selected by a user;
  • FIG. 15 is an illustration of a pacing control page displayed in an embodiment of the electronic book
  • FIG. 16 is an illustration of the title page of the book which depicts other user-initiated options
  • FIG . 17 s an illustration of a page marked by a dog ear for use in embodiments of the electronic book
  • FIG . 18 is an illustration of a dog ear dialog box used in embodiments of the electronic book.
  • FIG . 19 is an illustration of a user selecting a portion of a page of text
  • FIG 20 is an illustration of an option selection dialog box used in embodiments of the electronic book
  • FIG. 21 is an illustration of an annotation display used in embodiments of the electronic book
  • FIG . 22 is an illustration of a marker used to indicate that a page has an annotation associated therewith;
  • FIG. 23 is an illustration of a user selecting a set bookmark option in the option selection dialog box;
  • FIG. 24 is an illustration of the page of FIG. 23 having a bookmark displayed thereon;
  • FIG. 25 is a flow diagram of an event loop performed in an embodiment of the electronic book.
  • FIG. 26 is a flow diagram of steps performed in an embodiment of a library graphical user interface routine for use in the electronic book
  • FIGS. 27 and 28 show flow diagrams of an embodiment of the routine to display pages of text n the electronic book;
  • FIG. 29 is a flow diagram of steps performed to display a current page m the electronic book;
  • FIG. 30 is a flow diagram of steps performed in an embodiment of an annotation subroutine
  • FIG. 31 is a flow diagram of steps performed in an embodiment of a quote capture subroutine
  • FIG. 32 is a flow diagram of steps performed in an embodiment of a dog ear subroutine
  • FIG. 33 is a flow diagram of steps performed in an embodiment of a pacing control subroutine
  • FIG. 34 is a flow diagram of steps performed in an embodiment of the font selection subroutine
  • FIG. 35 is a flow diagram of steps performed in an embodiment of the system control subroutine.
  • Embodiments of the present invention advantageously provide an electronic book having an improved method of selecting a primary font and a primary size for displaying textual information therewith.
  • a user selects a desired font/size combination by viewing a plurality of words displayed in a plurality of font/size combinations, and selecting the desired font/size combination directly therefrom.
  • the primary font and the primary size are automatically updated upon selecting the desired font/size combination.
  • FIG. 1 is a view of an embodiment of an electronic book n a closed position.
  • the electronic book has a book-shaped housing 100 having the look and feel of a real, paper book.
  • the book-shaped housing 100 has a first housing member 102 pivotably connected to a second housing member 104 to facilitate opening and closing in a book ⁇ like manner.
  • the first housing member is partially formed by a book-like, front cover member 106.
  • the second housing member 104 is partially formed by a book-like, back cover member 108.
  • the front cover member 106 and the back cover member 108 are pivotably connected by a spine member 110.
  • the front cover member 106 and the back cover member 108 have an exterior made of a material used in real book covers. Examples of such a material include, but are not limited to, leather, simulated leather, vinyl, and a woven fabric such as cotton.
  • the exterior can either be permanently affixed to the front cover member 106 and the back cover member 108, or be in the form of a removable jacket.
  • the first housing member 102 is partially defined by an enclosure 112.
  • the second housing member 104 is partially defined by an enclosure 114 in addition to the back cover member 108.
  • the enclosure 112 and the enclosure 114 have an external appearance of edges of pages of a real, paper book.
  • the enclosures 112 and 114 define a top edge 116, a bottom edge 118, and a foredge 120 which appear as the top edge, the bottom edge, and the foredge, respectively, of a real, paper book.
  • the top edge 116, the bottom edge 118, and the foredge 120 are recessed with respect to the front cover member 106 and the back cover member 108.
  • FIG. 2 is a view of the embodiment of the electronic book of FIG. 1 in an open position. It is preferred that the first housing member 102 and the second housing member 104 be substantially symmetric so that the front cover member 106, the back cover member 108, and the spine member 110 rest substantially flat on a flat surface in the open position.
  • the substantial symmetry makes the electronic book feel like a real, paper book being opened to one of its middle pages. As a result, the electronic book can be comfortably held and read in a manner consistent with a paper book.
  • a touchscreen 130 is integrated in the book-shaped housing 100 to be accessible when the book-shaped housing 100 is opened in the book-like manner.
  • the touchscreen 130 is integrated with the enclosure 114 of the second housing member 104.
  • a second touchscreen 132 can also be integrated in the book-shaped housing. As illustrated, the second touchscreen 132 can be integrated with the enclosure 112 of the first housing member 102.
  • the touchscreen 130 and the second touchscreen 132 each include a touch-sensitive panel over a display device. Behind the display device can be a backlighting element.
  • the touchscreen 130 and the second touchscreen 132 may provide either a color display or a monochrome display depending on a particular model of the electronic book.
  • the touchscreen 130 and the second touchscreen 132 can utilize analog resistive technology as is known in the art. It is noted, however, that other technologies for providing touch sensitivity can also be utilized.
  • the touchscreen 130 and the second touchscreen 132 be capable of providing backlighting to allow use of the electronic book in poorly-lit or dimly-lit environments. More preferably, the touchscreen 130 is capable of backlighting selected portions or subsets of the entire touchscreen 130.
  • the electronic book can provide a power-saving mode wherein only a portion of the touchscreen 130 being viewed by a user is actively backlit.
  • the book-shaped housing includes a receiving slot 134 which physically receives a removable machine-readable storage medium 136.
  • the removable machine-readable storage medium 136 contains machine-readable data representative of text from a book.
  • the machine-readable data is also representative of graphical information within the book.
  • the term "book” should be construed broadly as any written or printed composition having textual information which is read by an individual. Hence, the term “book” should be inclusive of books, magazines, newspapers, or the like.
  • the text and the graphical information contained in the removable machine-readable storage medium 136 are displayed on the touchscreen 130.
  • the second touchscreen 132 can be included to display graphical information while the touchscreen 130 displays text.
  • the touchscreen 130 and the second touchscreen 132 can display neighboring pages of the book.
  • the touchscreen 130 and the second touchscreen 132 can be utilized to simultaneously view two books.
  • the second touchscreen 132 can also be utilized in a second level operating system, which is herein called an advanced reader graphical user interface.
  • the functionality of the second touchscreen 132 can be selected by the user using a switch or the advanced reader graphical user interface in the electronic book.
  • the removable machine-readable storage medium 136 contains a series of pointers which point to words contained in a dictionary within the electronic book. Words which are not contained in the dictionary are located in a customized dictionary on the removable machine-readable storage medium 136. In this way, the words to be presented on the touchscreen 130 are selected with minimal storage requirements in the removable machine-readable storage medium 136.
  • the removable machine-readable storage medium 136 is in the form of either a smart card or a PCMCIA card.
  • the receiving slot 134 is shaped to receive either a smart card or a PCMCIA card.
  • the book-shaped housing 100 further defines a power- receiving port 138 and a data-receiving port 140.
  • the power-receiving port 138 receives a plug or other type of connector to supply power to the electronic book. Power supplied to the electronic book via the power receiving port 138 can be used to directly operate the electronic book or to recharge batteries internal to the electronic book.
  • the spine member 110 is shaped to receive a combination of battery cells which can be recharged via the power-receiving port 138. If the second touchscreen 132 is not used, the enclosure 112 of the first housing member 102 can be used to store extra batteries and/or e. ra book cards .
  • the data port 140 is utilized to communicate signals representative of machine-readable data between the electronic book and an external device. The data port 140 can be used, for example, to receive machine-readable data signals representative of text and graphics in a book from the external device for storage in the electronic book.
  • the data port 140 provides an alternative to the receiving slot 134 for receiving text and graphics of a book. Additionally, the data port 140 can be utilized to transmit machine-readable data contained within the electronic book to the external device.
  • the electronic book is automatically activated (i.e., automatically turns on) when m the open position, and is automatically deactivated (i.e. automatically turns off) when in the closed position.
  • the electronic book can include a magnet 142 incorporated within oi of the first housing member 102 or the second housing member, and a reed switch 144 incorporated within the other housing member. When the electronic book is in the closed position, the magnet 142 is proximate to the reed switch 144.
  • the magnetic field generated by the magnet 142 causes the reed switch 144 to assume a first switch position which deactivates the electronic book
  • the magnet 142 is distant from the reed switch 144
  • the reed switch 144 returns to a second switch position which activates the electronic book.
  • FIG 3 is a block diagram of an embodiment of the electronic book
  • An interface 150 receives the removable machine-readable storage medium 136 containing machine- readable data representative of text and graphics from a book
  • the interface 150 comprises a PCMCIA interface which receives a removable machine-readable storage medium in the form of a PCMCIA card Physically, the interface 150 is proximate to the receiving slot 134 illustrated in FIG 2.
  • the interface 150 be capable of receiving an external device other than a machine-readable storage medium Further, it is preferred that the interface 150 be capable of receiving a plurality of external devices To these ends, the interface 150 can comprise a plurality of similar interfaces, such as a plurality of PCMCIA interfaces
  • the electronic book can simultaneously receive two or more of a PCMCIA memory card, a PCMCIA modem, or another PCMCIA device
  • a processor 152 is in communication with the interface 150 to read the machine-readable data from the removable machine-readable storage medium 136
  • the processor 152 can be in the form of a microprocessor, a custom integrated circuit, an application specific integrated circuit, or a programmable logic array, for example Physically, the processor 152 is housed within the book-shaped housing 100
  • the touchscreen 130 is in communication with the processor 152 to display a page of the text and/or the graphics represented by the machine-readable data Further, the touchscreen 130 acts as an input device to receive user-initiated events, i.e user-initiated actions, and communicate these user-initiated events or actions to the processor 152
  • An internal machine-readable storage medium 154 is in communication with the processor 152 to support a number of operative features of the electronic book
  • the internal machine-readable storage medium 154 can include one or more memory devices, such as a random access memory, a read-only memory, and/or an electronically erasable and programmable read-only memory (EEPROM)
  • EEPROM electronically erasable and programmable read-only memory
  • a computer program or other form of software or firmware is stored in the internal machine-readable storage medium 154
  • the computer program directs the processor 152 to support the operative features of the electronic book
  • the computer program includes an event loop that processes and responds to user-initiated events and actions More specifically, received events are placed in an event queue in the internal machine-readable storage medium 154 Each of the received events is processed and removed from the event queue. As a result, a user can initiate a number of events or actions without having to wait for previous actions to be processed
  • the internal machine-readable storage medium 154 can also include a dictionary to which pointers stored m the removable machine-readable storage medium 136 point By including the dictionary within the electronic book, less storage space is required on the removable machine- readable storage medium 136 to store the text from the book
  • the internal machine-readable storage medium 154 can contain machine-readable data representative of text and graphics from a book
  • the processor 152 reads the machine-readable data from the internal machine- readable storage medium 154 and commands the touchscreen 130 to display pages of the text and graphics.
  • Signals are communicated between the electronic book and an external device via either a data interface 156 in communication with the processor 152, via an antenna 158 and a radio frequency modem 160 in communication with the processor 152, or via an infrared transceiver 161 in communication with the processor.
  • communication between the electronic book and the external device can be effectuated using either a smart communication card or a PCMCIA communication card received by the interface 150.
  • a PCMCIA modem card or a PCMCIA infrared transceiver card can be utilized, for example, for external communication.
  • a voice synthesizer 162 is included in the electronic book to provide a spoken auditory display of pages of the text read from either the removable machine-readable storage medium 136 or the internal machine-readable storage medium 154.
  • the processor 152 directly converts the text from the book into speech signals for the voice synthesizer 162.
  • control codes can be provided within the removable machine-readable storage medium 136 to allow words to be pronounced or emphasized in different ways. Further, the control codes can command the words to be spoken in either a male voice, a female voice, or a child's voice.
  • the synthesized voice can be sampled (such as using the user's voice) or can be a computer- synthesized voice.
  • a custom voice dictionary can be provided to augment a general voice dictionary stored in the electronic book.
  • the customized voice dictionary can be used for alternative pronunciations, voices, and emphasis.
  • the voice synthesizer 162 is either permanently integrated in the electronic book or is a removable accessory. To facilitate removability, the voice synthesizer 162 can be embodied within a smart card or a PCMCIA card for reception by the interface 150. Alternatively, the voice synthesizer 162 can communicate with the processor 152 via an accessory interface bus 163. In a similar manner, the RF modem 160 and/or the second touchscreen 132 can communicate with the processor 152 via the accessory interface bus 163.
  • teachings herein are not limited to the use of a touchscreen, and hence, can be applied to an electronic book containing any type of display device (such as a liquid crystal display or a cathode ray tube, for example) and any type of input device (such as a series of buttons, a mouse, a trackball, a lightpen, or a touchpad, for example) .
  • display device such as a liquid crystal display or a cathode ray tube, for example
  • input device such as a series of buttons, a mouse, a trackball, a lightpen, or a touchpad, for example
  • FIG. 4 is an illustration of various hot spot locations used to provide control of the electronic book to a user.
  • a page of the text represented by the machine- readable data read from either the removable machine- readable storage medium 136 or the internal machine- readable storage medium 154 is displayed on a display portion 168 of the touchscreen 130.
  • the display portion 168 is also utilized to display graphics represented by the machine-readable data.
  • a first hot spot portion 170 of the touchscreen 130 is designated for receiving a predetermined user-initiated event which requests that a subsequent page of the text be displayed on the touchscreen 130.
  • the first hot spot portion 170 can be synonymously referred to as an "advance page portion" or an "advance page hot spot" for receiving an advance page event.
  • the first hot spot portion 170 includes a top margin portion 172, a side margin portion 174, and a bottom margin portion 176 of the touchscreen 130.
  • the top margin portion 172 is located above the display portion 168
  • the side margin portion 174 is located beside the display portion 168
  • the bottom margin portion 176 is located below the display portion 168.
  • a second hot spot portion 178 of the touchscreen 130 is designated for receiving a predetermined user-initiated event which requests that a previous page of the text be displayed.
  • the second hot spot portion 178 can be synonymously referred to as a "page back portion” or a "page back hot spot” for receiving a page back event.
  • the second hot spot portion 178 is located beside the display portion 168 of the touchscreen 130 and opposite the side margin portion 174.
  • a third hot spot portion 180 of the touchscreen 130 is designated for receiving a predetermined user-initiated event which requests that a pre-marked page be displayed on the touchscreen 130.
  • the third hot spot portion 180 is located in an upper portion of the touchscreen 130 and is shaped as a bookmark graphic 182.
  • the third hot spot portion 180 can be synonymously referred to as a "bookmark portion” or a "bookmark hot spot” .
  • a fourth hot spot portion 184 of the touchscreen 130 is designated for receiving a predetermined user-initiated event to close the current book being read and to request that a library screen be displayed on the touchscreen 130.
  • the library screen is utilized by a user to select a book to read from a plurality of books within a library.
  • the fourth hot spot portion 184 can be synonymously referred to as a "close book portion” or a "close book hot spot” for receiving a close book event
  • a fifth hot spot portion 186 of the touchscreen 130 is designated for receiving a predetermined user-initiated event which requests that the displayed page be marked
  • the fifth hot spot portion 186 is located in an upper corner of the touchscreen 130
  • the fifth hot spot portion 186 of the touchscreen 130 is utilized for dog-earring pages of the book
  • the fifth hot spot portion 186 can be synonymously referred to as a "dog ear portion” or a "dog ear hot spot” for receiving a dog ear event
  • a sixth portion 188 of the touchscreen 130 is designated to provide a depth indication representative of how much of the book is left to be read
  • the sixth portion 188 is located above the display portion 168
  • the second hot spot portion 178 can be utilized in conjunction with the sixth portion 188 to provide the depth indication.
  • the display portion 168, the first hot spot portion 170, the second hot spot portion 178, the third hot spot portion 180, the fourth hot spot portion 184, and the fifth hot spot portion 186 are mutually exclusive (i.e. non-overlapping) portions of the touchscreen 130
  • these portions may not be mutually exclusive, and hence may overlap
  • some embodiments of the present invention may utilize different sizes and positions for the above-described hot spot portions .
  • the hot spot portions are motion sensitive so that a touch event, a touch-and-hold event, and a drag event can be sensed to initiate differing responses
  • a page back event can be received m the form of a flipping motion (l e a short stroke) across the second hot spot portion 178.
  • FIG . 5 is an illustration of a library screen displayed using an embodiment of the electronic book.
  • the library screen is displayed upon opening the electronic book or activating the electronic book.
  • the library screen includes a rearward graphical book representation 200 having a graphical spine portion 202.
  • a forward graphical book representation 204 is displayed in front of the rearward graphical book representation 200.
  • the forward graphical book representation 204 has a graphical spine portion 206 and a graphical front cover portion 208.
  • a title 210 of a book currently being read is displayed on the forward graphical book representation 204. In the embodiment illustrated in FIG. 5, the title 210 is displayed on the graphical spine portion 206 of the forward graphical book representation 204.
  • a title of another book or books of a plurality of books in a library is displayed in place of the title 210 on the forward graphical book representation 204.
  • the portion of the rearward graphical book representation 200 selected in this user-initiated event is within the graphical spine portion 202.
  • the titles of the books in the library can be obtained from a storage medium (which contains the books) installed in the electronic book.
  • the titles of the books can be obtained by a connection to an information service providing books or other information in real time.
  • the titles and the books can be accessed on demand from a world-wide web page.
  • a user can scroll through the library of books by repeatedly touching the spine portion 202 with his or her finger 212 until a desired book title is pulled into view.
  • the spine portion 202 is selected for a last of the plurality of books, the title of the first book is displayed. In this manner, the user can rotate through the library of books until a desired book is in front.
  • FIG. 6 is an illustration of a user-initiated event to open the desired book from the library screen.
  • the forward book is opened upon receiving a user-initiated event in which a portion of the forward graphical book representation 204 is selected.
  • This user-initiated event can include, for example, the user touching the front cover portion 208 of the forward graphical book representation 204 using his or her finger 212.
  • the book indicated by a title 214 is opened. If the book is previously unread, the book is opened to page one. If the book has been read before, the book opens to a page which was last read.
  • FIG. 7 is an illustration of a first page of a book displayed on the touchscreen 130 upon exiting the library screen.
  • the machine-readable data representative of text and graphics from the book is read from either the removable machine- readable storage medium 136 installed in the electronic book, or from the internal machine-readable storage medium 154.
  • a page of the text and/or the graphics is then displayed on the touchscreen 130. As shown, the text is displayed to appear as a standard page in a real book.
  • a user-initiated event is received in which a user selects the second hot spot portion 178, i.e. the page back portion, of the touchscreen 130 when the book is on the first page, then a title page containing system controls is displayed.
  • FIG . 8 is an illustration of a title page of a book displayed on an embodiment of the electronic book.
  • Information which is displayed on the title page includes a book title 220, author information 222, copyright information 224, a Library of Congress number 226, and publisher information 228
  • statistics such as a total number of pages 230 in the book, a number of pages left to be read 232, and an elapsed reading time 234
  • a number of control options are also displayed
  • control options include, but are not limited to, a pacing control option 236, a font selection option 238, a system control option 240, a read-to-me option 242, and a radio frequency (RF) link option 244 Any of these control options can be initiated by a respective user- mitiated event indicative of a user selecting the option As illustrated in FIG 8, a user is initiating a font selection routine by touching the font selection option 238 using his or her finger 212.
  • FIG 9 is an illustration of a font selection page displayed on an embodiment of the electronic book The font selection page is displayed upon an initiation of the font selection routine.
  • Displayed on the font selection page are a number of font/size combination options Each option is in the form of a word displayed using a specific font and a specific size in accordance with the font/size combination
  • a user selects a desired font/size combination by viewing how words appear in the various combinations, and selecting the combination which is desired. For example, in FIG 9, the user is selecting a desired font/size combination by selecting a word 250 displayed in the desired font/size combination using his or her finger 212.
  • the fonts can be selected from internal fonts and custom fonts provided on the medium provided by a publisher For example, a user may select a Gothic font provided on a medium containing a Shakespeare work instead of default fonts (e.g. Courier, Helvetica, Avant Garde) within the electronic book Upon selecting the desired font/size combination, the electronic book automatically flips back to the title page containing the system controls. Thereafter, the electronic book uses the desired font/size combination as a primary font/size combination to display the text of the book. Titles and headings in the book are enlarged and bolded based upon the primary font/size combination. Other portions of text can be italicized based on the primary font. However, it is preferred that the body of the text never be displayed smaller than the size selected in the primary font/size combination. In some embodiments, it may be preferred to display footnotes in a size smaller than the size selected.
  • FIG. 10 is an illustration of the title page of the book which is displayed upon exiting the font selection page.
  • a user is shown to initiate a system control routine by selecting the system controls option 240 using his or her finger 212.
  • FIG. 11 is an illustration of a system control page displayed in an embodiment of the electronic book.
  • the system control page is displayed upon executing the system control routine .
  • the system control page provides a number of display controls including a contrast control 254, a tint control 256, and a color control 258.
  • Each of these controls provides a discrete number of control values which can be directly selected by a user. Further, each control value is displayed in a graphical manner consistent with the result of its selection.
  • the contrast control 254 includes a high contrast graphical representation 262, an intermediate contrast graphical representation 264, and a low contrast graphical representation 266.
  • the graphical representations 262, 264, and 266 are of the same graphical image, but are displayed using different contrast control values.
  • the tint control 256 and the color control 258 each display a predetermined graphical image using a discrete number of tint control values and color control values, respectively.
  • the display of the graphical representations withm the display controls are unaffected by current values of selected ones of the controls
  • the display of the graphical representations is independent of all of the current values.
  • the display of the low contrast representation 266 can be independent of the current contrast control value, the current tint control value, and the current color control value
  • the display of the graphical representations in each control is independent of the current value of that control, but depend on the current value of the other controls.
  • the display of the low contrast representation 266 is independent of the current contrast control value, but dependent upon the current tint control value and the current color control value Using either of these two embodiments, a user can immediately determine a result of each control value selection before actually performing the selection.
  • the system control page also includes a sound control
  • the sound intensity values are monotonically related to the size of an ear displayed on the sound control 267
  • FIG. 11 shows a user selecting an intermediate sound intensity by touching an ear graphic 269. The user then returns to the system control page by touching the second hot spot portion 178, i.e. the page back hot spot, of the touchscreen 130.
  • controls on the system control page can provide continuous, rather than discrete, control of the control values in alternative embodiments of the electronic book.
  • the ear size and the volume can increase or decrease based on f ger selection movement.
  • a pad area 270 of the system control page is utilized for testing motions such as a hold event, a turn event, and a mark event
  • a user can point to any of a hold selection 271, a turn selection 272, and a mark selection 273, and then perform the selected motion n the pad area 270
  • a length of hold time or style of dragging a finger for a flip command can be gauged for each user, for example, using the pad area 270.
  • FIG. 12 is an illustration of the title page of the book which s displayed upon exiting the system control page.
  • the user is illustrated to select the read- to-me option 244 which initiates the voice synthesizer 162 to audibly read the text being visually displayed on the touchscreen 130.
  • the audible reading of the text begins at the last page which was displayed on the touchscreen 130.
  • the reading rate and other controls for the read-to ⁇ me routine is provided on a pacing control page described hereinafter.
  • FIG. 13 is an illustration of the title page of the book wherein a radio frequency link option is selected. This option is selected by the user by touching the RF link option 244 using his or her finger 212 Upon selecting the RF link option 244, an RF link routine is executed.
  • the RF link routine allows the user to download updates of the text to the electronic book, and/or to interface the electronic book to a personal computer or communication unit
  • the RF link routine utilizes the antenna 158 and the RF modem 160 illustrated in FIG.
  • FIG 14 is an illustration of the title page of the book wherein a pacing control option is selected by a user Specifically, the user is shown to initiate a pacing control routine by selecting the pacing control option 236 displayed on the title page using his or her fmger 212
  • FIG 15 is an illustration of a pacing control page displayed n an embodiment of the electronic book
  • the pacing control page is displayed once the user selects the pacing control option 236 from the title page
  • the pacing control page includes a display 280 of a current reading pace of the user Based upon the number of pages left the book, which is given in a display 282, a display 284 of an estimated completion time for the book is also given
  • the current reading pace, the number of pages left, and the estimated completion time are displayed in the form of one or more sentences
  • a display 290 of a desired reading pace A display 292 of an estimated completion time in accordance with the desired reading pace is also given.
  • the desired reading pace is controlled by the user using a graphical slider bar 294
  • the pages of the text in the book are automatically paced by a pacing routine which is enabled and disabled by a graphical switch 296
  • each page of text is displayed for a duration commensurate with the desired reading rate controlled by the graphical slider bar 294
  • the user returns to the title page from the pacing control page by selecting the second hot spot portion 178, 1 e. the page back portion, of the touchscreen 130
  • FIG 16 is an illustration of the title page of the book which depicts other user-initiated options
  • the user can return to a book-marked page by selecting the bookmark graphic 182
  • the user can return to the library screen by selecting the fourth hot spot portion 184, I e the close book portion, of the touchscreen 130.
  • the user can go to the first page of the book by selecting the first hot spot portion 170, i.e. the advance page portion, of the touchscreen 130.
  • FIG. 17 is an illustration of a page marked by a dog ear in an embodiment of the electronic book.
  • the user initiates a dog ear command by performing a predetermined user-initiated event.
  • An example of such an event includes a user touching an upper corner portion of the touchscreen 130, such as the fifth hot spot portion 186 defined earlier.
  • a brief touching of the upper corner portion 186 causes a dog ear graphic 300 to be displayed in the upper corner portion.
  • an indication that this page has been dog-eared is stored either in the removable machine-readable storage medium 136 or the internal machine-readable storage medium 154.
  • a dog ear dialog box is opened.
  • FIG. 18 is an illustration of a dog ear dialog box used in embodiments of the electronic book.
  • a dog ear dialog box 302 is displayed on touchscreen 130.
  • the dog ear dialog box 302 displays a list 304 of all dog-eared pages.
  • a user can immediately go to one of the dog-eared pages on the list 304 by touching a display of a selected page number.
  • the dog ear dialog box 302 also displays an option 306 to display marks 308 along an edge 310 of the page. Thereafter, a user can touch any of the marks 308 to move quickly to a corresponding one of the dog-eared pages .
  • FIG. 18 is an illustration of a dog ear dialog box used in embodiments of the electronic book.
  • a dog ear dialog box 302 is displayed on touchscreen 130.
  • the dog ear dialog box 302 displays a list 304 of all dog-eared pages.
  • a user can immediately go to one of the dog-eared pages on the list 304 by touching a display
  • a mark 312 corresponds to marked page 1
  • a dog ear 314 corresponds to marked page 35
  • a mark 316 corresponds to marked page 94
  • a mark 318 corresponds to marked page 111
  • a mark 320 corresponds to marked page 120.
  • page one is always marked with a dog ear so that a user can quickly return thereto using either the marks 308 or the dog ear dialog box 302.
  • the dog ear dialog box 302 Upon receiving a user-initiated event while the dog ear dialog box 302 is displayed, the dog ear dialog box 302 is removed to show the selected page of the book.
  • FIG . 19 is an illustration of a user selecting a portion of a page of text.
  • a portion 330 is selected by a user-initiated event of sliding his finger 212 (or other pointing member such as a stylus) from a first position 332 to a second position 334.
  • the portion 330 of the text is highlighted in a predetermined manner.
  • the portion 330 of the text can be highlighted in color if the touchscreen 130 is capable of a color display.
  • the portion 330 of the text can be highlighted using grey scale shading, reverse video, or underlining.
  • An option selection dialog box is then displayed on the touchscreen 130 to provide the user a number of text marking options.
  • FIG. 20 is an illustration of an option selection dialog box used in embodiments of the electronic book.
  • An option selection dialog box 340 is displayed on the touchscreen 130 in a location out of the way of the portion 330 of the text that is marked when possible.
  • the option selection dialog box 340 includes a plurality of text marking options including a note capture option 342, a highlighting option 344, a quote capture option 346, and a set bookmark option 348.
  • the note capture option 342 allows a user to type in notes associated with the portion 330 of the text.
  • the highlighting option 344 leaves the portion 330 of the text highlighted, and stores an indication of this highlighting so that any subsequent return to this page displays the portion 330 as being highlighted.
  • the quote capture option 346 allows a user to store the portion 330 of the text along with source data, such as the name of the author of the book or the title of the book, in the internal machine-readable storage medium 154.
  • the set bookmark option 348 can be selected to add a bookmark to the current page. If the page already has a bookmark, then a number of bookmark management options similar to options used for the dog ear command are provided to the user.
  • FIG. 21 is an illustration of an annotation display used in embodiments of the electronic book.
  • the annotation display is provided in response to a user selecting the note capture option 342 illustrated in FIG. 20.
  • a soft keyboard 360 is displayed on the touchscreen 130.
  • the soft keyboard 360 includes alphanumeric keys and symbolic keys along with a close ke and a notes collection key.
  • a plurality of keystroke events are received by the soft keyboard 360 to form an annotation.
  • a plurality of characters corresponding thereto are displayed in a window 362 on the touchscreen 130.
  • the user selects the close key on the soft keyboard 360 upon completing the annotation.
  • the electronic book removes the soft keyboard 360 and the window 362 from the touchscreen 130 and displays a note marker icon to indicate that the page has an annotation associated therewith.
  • the notes collection key on the soft keyboard 360 commands the electronic book to communicate the annotation to an external device such as a personal computer.
  • the personal computer can be interfaced to the electronic book either wirelessly via the antenna 158 and the radio frequency modem 160 shown in FIG. 3, using a wire-based connection via the data interface 156, or using an infrared link.
  • An annotation can also be in the form of an image of pixels which overlays the page of the text.
  • the pixels can be drawn on the touchscreen 130 using a pointing device.
  • the pixels can be stored in a pixel-map form for subsequent viewing or for subsequent conversion to text using a handwriting recognition method.
  • an accessory keyboard can be added to the electronic book to enter the annotation as well as other information.
  • FIG. 22 is an illustration of a marker used to indicate that a page has an annotation associated therewith.
  • the page illustrated in FIG. 22 results after the user enters the annotation and selects the close key from the soft keyboard 360 as illustrated in FIG. 21.
  • the page in FIG. 22 no longer has the soft keyboard 360 and the window 362 displayed thereon.
  • a note marker icon 370 is displayed in a lower corner of the page.
  • the user can view the annotation associated with this page by selecting the note marker icon 370. Selecting the note marker icon 370 has the same effect as selecting the note capture option 342 as shown in FIG. 20.
  • an annotation can be indicated by underlining or highlighting the portion of the text associated with the annotation.
  • the annotation can be viewed in a hypertext-type manner by selecting the portion of text.
  • FIG. 23 is an illustration of a user selecting a set bookmark option in the option selection dialog box.
  • the user selects the set bookmark option 348 by touching the displayed text associated therewith using his or her finger 212 or other pointing member. If this page had already included a bookmark, then a bookmark management dialog box is displayed similar to the one used for the dog ear command. Since the page illustrated in FIG. 23 does not have a bookmark associated therewith, the selection of the set bookmark option 348 causes a bookmark to be added to the page. In a preferred embodiment, only one page is bookmarked within each book.
  • FIG. 24 is an illustration of the page of FIG 23 having a bookmark displayed thereon A bookmark con 380 is displayed in an upper portion of the page to indicate that the page has been bookmarked
  • pointing devices other than an individual's finger may be utilized to generate user- init ated events indicative of desired selections using the touchscreen 130
  • a stylus or the like can be utilized to select desired portions of the touchscreen 130.
  • various types of graphical controls can be utilized to control settings and parameters of the electronic book These graphical controls include, but are not limited to, graphical buttons, checkboxes, radio buttons, scroll bars, slider bars, pop-up menus, and dialog boxes.
  • the processor 152 is directed to function n a manner in accordance with these operational steps based upon a computer program or other form of software or firmware stored in a computer readable memory
  • the computer readable memory can be contained with the processor 152, within the internal machine- readable memory 154, or withm a separate machine-readable storage medium in communication with the processor 152 It is noted that the order n which the steps are described are indicative of one embodiment of the present invention, and that alternative embodiments of the present invention may perform the steps n a different order to achieve the same functionality.
  • FIG 25 is a flow diagram ot an event loop performed in an embodiment of the electronic book
  • a step of executing a library graphical user interface routine is performed
  • the library graphical user interface routine provides a virtual library to allow a user to select a book to read from a plurality of books within a library, and/or access an information service or world-wide web page as previously described.
  • the plurality of books can be contained in one or more removable machine-readable storage media and/or the internal machine-readable storage medium.
  • a step of executing a routine to display one or more pages of text and graphics from the desired book is performed as indicated by block 402.
  • the routine to display the pages of text is executed until a predetermined user-initiated event is received to exit the routine.
  • flow of the event loop is directed back to the step of executing the library graphical user interface routine in block 400.
  • a step of displaying a title page of the book is performed as indicated by block 406.
  • the title page provides a number of control options available to a user. The user selects a desired control option based upon a user-initiated event.
  • Block 408 indicates a step of receiving this user- initiated event.
  • flow of the event loop is directed to one of a number of subroutines in a step indicated by block 410. If the received event is indicative of the user selecting the pacing control option, then a step of executing a pacing control routine is performed as indicated by block 412. If the received event is indicative of the user selecting the font selection option, then a step of executing a font selection routine is performed as indicated by block 414. If the received event is indicative of the user selecting the system control option, then a step of executing a system control subroutine is performed as indicated by block 416.
  • a step of executing an RF link subroutine is performed as indicated by block 420 Upon completing either the pacing control subroutine, the font selection routine, the system control routine, or the RF link routine, flow of the event loop is directed back up to block 406 wherein the step of displaying the title page is performed.
  • a step of executing a read-to-me routine is performed as indicated by block 422 Flow of the event loop is then directed back to block 402 to execute the routine to display pages of text from the book.
  • the execution of the read-to-me routine in block 422 provides a spoken, auditory display of the text in addition to the visual display of the text in block 402.
  • the step of block 408 is an advance page event, then a step of setting the current page to page one is performed as indicated by block 424 If the received event is indicative of the user selecting a bookmark displayed on the title page, then a step of setting the current page to a previously bookmarked page is performed as indicated by block 426. After the current page is set in either of the steps indicated by blocks 424 and 426, then flow of the event loop is directed back to the step of executing the routine to display pages of text mdicated by block 402.
  • FIG 26 is a flow diagram of steps performed in an embodiment of a library graphical user interface routine for use in the electronic book These steps can be performed in executing the library graphical user interface routine indicated by block 400 in FIG 25 The steps provide a method of selecting a book for reading in an electronic book where the book is selected from a plurality of books in a library
  • a step of displaying a rearward graphical book representation having a graphical spine portion is performed
  • a step of displaying a forward graphical book representation in front of the rearward graphical book representation is performed as indicated by block 432
  • the forward graphical book representation has a graphical spine portion and a graphical front cover portion
  • a step of displaying a title of a first book of the plurality of books on the forward graphical book representation is performed
  • the title of the first book can be displayed anywhere on the forward graphical book representation
  • the title of the first book is displayed on the graphical spine portion of the forward graphical book representation
  • FIG 5 illustrates an example of the rearward graphical book representation 200 having the graphical spine portion 202, the forward graphical book representation 204 having the graphical spine portion 206 and the graphical front cover portion 208, and the title 210 displayed on the forward graphical book representation 204
  • a step of receiving a first user-initiated event in which a portion of the rearward graphical book representation is selected is performed as indicated by block 436
  • the portion of the rearward graphical book representation selected in this step is with the graphical spine portion of the rearward graphical book representation
  • a step is performed of receiving a second user-initiated event in which a portion of the forward graphical book representation is selected
  • the portion of the forward graphical book representation selected in this step is withm the front cover portion of the forward graphical book representation.
  • the reception of the second user- mitiated event ends the execution of the library graphical user interface routine, and flow is directed to the routine to display pages of text from the second boo ⁇
  • steps are performed of reading machine-readable data from a machine-readable storage medium installed in the electronic book, the machine-readable data being representative of text from the second book, and displaying the text represented by the machine-readable data
  • steps indicated by blocks 436 and 440 can be repeated to allow the user to rotate through the plurality of books.
  • the next title displayed is that ot the first of the plurality of books
  • buttons external to the touchscreen 130
  • any of the above-described user-initiated events may be received using these buttons
  • FIGS. 27 and 28 show flow diagrams of an embodiment of the routine to display pages of text in the electronic book
  • the steps indicated in these flow diagrams are performed in one embodiment of the step indicated bv block 402 in FIG 25
  • a step of displaying a current page of the book is performed as mdicated by block 450.
  • the current page mcludes text from the current page of the book, a graphical display of a number of pages remaining in the book, a display of a bookmark graphic if there is a bookmark associated with the current page, a dog ear graphic f the current page is dog-eared and a note marker icon if there is an annotation associated with the current page.
  • the current page mcludes graphics from the current page of the book
  • a branching step is performed, as indicated by block 452, based upon any user-mitiated events which are received. If a user- mitiated event is received which selects a portion of the text, a step of marking the portion of the text is performed as indicated by block 454.
  • the portion of the text can be marked either by color or grey scale highlighting the portion of the text, underlining the portion of the text, or displaying the portion of the text in a reverse video form.
  • the portion of the text can be selected directly by a user sliding a fmger or a stylus over the portion of the text. Alternatively, the portion of the text can be selected indirectly by a menu selection technique
  • a step of displaying an option selection dialog box is performed as indicated by block 456.
  • the option selection dialog box provides a plurality of options to the user, including a note capture option, a highlighting option, a quote capture option, and a set bookmark option
  • a step of receiving a user-mitiated event indicative of a selection of one of the options is performed.
  • a branching step is performed as indicated by block 462 If the note capture option is selected, then a step of executing an annotation subroutine is performed as indicated bv block 464 If the quote capture option is selected, then a step of executing a quote capture subroutine is performed as indicated by block 466 If the highlighting option is selected, then a step of executing a highlighting subroutine is performed as indicated bv block 470 If the set bookmark option is selected, then a step of executing a bookmark subroutine is performed as indicated by block 472
  • a step of determining whether a pacing mode is active is performed as indicated by block 474 If the pacing mode is inactive, then flow of the routine is directed back to block 452 which performs a branching step based upon a received user-initiated event If the pacing mode is active, then a step of determining whether a highlighting mode is active is performed as indicated by block 476 If the highlighting mode is active then a step of scrolling a highlight across the current page is performed as mdicated by block 480 Scrolling the highlight across the current page allows pacing of a user's scanning across the current page A user can activate the highlighting mode to help enhance his or her reading speed
  • the highlight which is scrolled across the page can be in the form of either a color or grey scale highlight an underlining of text, or a reverse video form of text If the touchscreen 130 is capable of selective backlighting, then the highlight can be in the form of a selective backlighting of a reduced portion of the touchscreen 130
  • a step of determining whether it is t me for displaying a subsequent page is performed as indicated by block 482 If the time has not yet come for displaying a subsequent page, then flow is directed back to block 452 If the t me has arrived for displaying a subsequent page, then a step of updating the current page is performed as indicated by block 484
  • a step ot displaving a forward page turn in an animated matter is performed as mdicated by block 486 This step mcludes displaying an animated sequence of images which simulates a forward flipping of a page. Flow of the routine is then directed back to block 450 to display the
  • a dog ear user-mitiated event is received, then a step of executing a dog ear routine s performed as indicated by block 490. If the user- itiated event is indicative of the user selecting the bookmark portion of the page, then a step of executing a bookmark management routine is performed as indicated by block 491 Thereafter, subsequent steps are performed beginning with the step indicated by block 474 Similarly, if no user- mitiated events are received in block 452, then flow of the routine s directed to the step indicated by block 474 If the user-initiated event is indicative of the user selecting the page back portion of the page, then flow from block 452 branches to a step of decrementing the current page as indicated by block 492 Further, a step of displaying a backward page turn in an animated attei is performed as indicated by block 494 This step includes displaying an animated sequence of images which simulates a backward flipping of a page The steps mdicated by blocks 486 and 494 give
  • step 452 If the user-initiated event is indicative of the user selecting the advance page portion of the page, then flow is directed from the step indicated by block 452 to a step of incrementing the current page as indicated by block 502. Further, a step of displaying a forward page turn in an animated matter is performed is indicated by block 504. Flow of the routine is then directed back to block 450 wherein the new, incremented current page is displayed.
  • FIG. 29 is a flow diagram of steps performed to display a current page in the electronic book. These steps constitute one embodiment of a method of performing the step indicated by block 450 in FIG. 27.
  • a step of displaying text from the current page of the book is performed.
  • the text is displayed in accordance with a primary font parameter and a primary size parameter. If there is any highlighting associated with a portion of the text on the current page, then a step of displaying the portion of the text in a highlighted manner is performed as indicated by block 512. If any graphical information is included in the current page, then a step of displaying the graphical information is performed as indicated by block 513.
  • a step of graphically displaying a number of pages remaining in the book is performed.
  • the number of pages remaining in the book can be displayed in the sixth portion 188 of the touchscreen 130 as illustrated in FIG. 4.
  • the number of pages remaining in the book can be graphically displayed using either an image of a number of pages, a dark line as a drop shadow, or a group of parallel lines to indicate relative depth by page number in a given document
  • the drop shadow or graphical image depth is relatively deep, indicating that there is a significant portion of the book remaining to be read.
  • the drop shadow or graphical image depth is half as deep.
  • a side edge and/or a bottom edge of the touchscreen 130 can be utilized to provide this graphical display.
  • a step of determining f a bookmark s associated with the current page is performed If a bookmark is associated with the current page, then a step of displaying a bookmark graphic is performed as indicated by block 520.
  • a step of determining if the current page is dog-eared is performed. If the current page is dog-eared, then a step of displaying a dog ear graphic is performed as indicated by block 524.
  • a step of determining whether an annotation exists for the current page is performed. If there is an annotation associated with the current page, then a step of displaying a note marker icon is performed as indicated by block 530
  • FIG. 30 is a flow diagram of steps performed in an embodiment of an annotation routine.
  • Such an annotation routine is executed m the step mdicated by block 464 in FIG 28.
  • a step of displaying a window for displaying the annotation is performed
  • a step of displaying a soft keyboard on the touchscreen 130 is performed The soft keyboard is provided to receive a plurality of keystroke events to form the annotation
  • a step of receiving a keystroke event is performed as indicated by block 544
  • a branching operation is performed based upon the keystroke event received in block 544 If the keystroke event s indicative of the user selecting either an alphanumeric key or a symbolic key on the soft keyboard, then a step of displaying a character associated with the key is performed as indicated by block 560. The character associated with the key is displayed within the annotation window After displaying the character, flow of the routine is directed back to block 544 wherein a subsequent keystroke event is received.
  • a step of closing the soft keyboard is performed as indicated by block 562.
  • a step of closing the annotation window is also performed, as indicated by block 564
  • a step of displaying a note marker icon on the page is performed Thereafter, execution of the annotation subroutine is completed
  • a step ot communicating the annotation to an external personal computer is performed as indicated by block 570 After communicating the annotation to the personal computer flow of the routine s directed back to block 544 wherein a subsequent keystroke event is received
  • FIG 31 is a flow diagram of steps performed in an embodiment of a quote capture subroutine. Such a quote capture subroutine can be performed to provide the step indicated by block 466 in FIG. 28.
  • a user-initiated event Prior to entering the quote capture subroutine, a user-initiated event was received in the electronic book which selects a portion of the text displayed on the touchscreen. After receiving the user-initiated event, a plurality of text marking options, including a quote capture option, is displayed, and a user-initiated event indicative of a user selecting the quote capture option is received.
  • a step of storing quote data representative of the portion of the text is performed.
  • the quote data is stored in the internal machine-readable storage medium 154 illustrated in FIG. 3.
  • a step of storing source data which identifies the source of the quote data is performed.
  • the source data can be representative of the author of the book, the title of the book, a copyright date of the book, and/or a publisher of the book.
  • the source data is stored in the internal machine-readable storage medium 154 from FIG. 3.
  • a step is performed of maintaining the quote data and the source data in the internal machine-readable storage medium when the removable machine-readable storage medium is removed from the electronic book.
  • subsequent steps can be performed based upon the quote data and the source data when the removable machine-readable storage medium is removed.
  • a step of retrieving the quote data and the source data from the internal machine- readable storage medium can be performed when the removable machine-readable storage medium is removed from the electronic book.
  • a step of displaying the portion of the text represented by the quote data and source information represented by the source data can be performed.
  • FIG 32 is a flow diagram of steps performed n an embodiment of a dog ear subroutine Such a dog ear subroutine is executed in the step indicated by block 490
  • a step is performed of determining a duration in which a dog ear portion of the touchscreen is held.
  • a step of comparing the duration to a predetermined threshold is performed as indicated by block 592 The predetermined threshold can be about a second If the duration is less than the predetermined threshold, then a step of determining whether the current page has a dog ear is performed as indicated by block 594 If the current page does not have a dog ear, then a step of storing an indication that the current page be dog-eared is performed as indicated by block 596 Further, a step of displaying a dog ear graphic in an upper corner portion of the touchscreen 130 is performed as indicated by block 600 Thereafter, execution of the dog ear subroutine is completed.
  • a step of displaying a dog-eared dialog box is performed as mdicated by block 602.
  • the dog-eared dialog box a list of all marked pages is displayed Further, an option to show marks corresponding to all of the marked pages along an edge of each page is displayed
  • a user- itiated event is received.
  • a branching step is performed based upon the user-initiated event received If the user-initiated event is indicative of a user selecting a page number from the list of marked pages, then a step of setting the current page to the selected page number is performed as indicated by block 610 If the user-initiated event is indicative of the user selecting the marking option, then a step of displaying marks corresponding to the dog-eared pages along an edge of the page is performed as mdicated by block 612
  • FIG. 33 is a flow diagram of steps performed in an embodiment of a pacing control subroutine
  • the pacing control subroutine is executed in the step indicated by block 472 in FIG 25.
  • a step of determining a number of pages remaining in the book is performed
  • a step of determining a current reading pace of the user is performed
  • a step of calculating one or more estimated completion times is performed as mdicated by block 624
  • a first estimated completion time can be calculated by dividing the number of words or pages remaining in the book by the current reading pace of the user. As a result, the first estimated completion time estimates how long it would take the user to complete the book at his or her current reading pace.
  • a second estimated completion time is calculated by dividing the number of words or pages remaining in the book by a desired reading pace The second estimated completion time estimates how long it would take the user to complete the book at the desired reading pace
  • each estimated completion time can be displayed withm a corresponding sentence as illustrated in FIG 15.
  • a step of calculating a necessary reading pace to satisfy a predetermined reading goal is performed.
  • the predetermined reading goal can be in the form of a time duration withm which a user wishes to complete the pages remaining in the book
  • the necessary reading pace is calculated by dividing the number of pages remaining in the book by the time duration.
  • a step of displaying the necessary reading pace to satisfy the reading goal is then performed as indicated by block 632
  • a step of displaying one or more graphical pacing controls s performed the one or more graphical pacing controls can include a graphical slider bar such as the graphical slider bar 294 used for modifying the desired reading pace, and a graphical switch such as the graphical switch 296 which is used for enabling and disabling an automatic pacing of the text using a pacing routine
  • a user-mitiated event is received As indicated by block 640, if the user- initiated event is indicative of the user selecting the page back portion of the touchscreen 130, then execution of the pacing control subroutine is terminated Upon terminating the pacing control subroutine, the system control page is displayed on the touchscreen 130 If the user-initiated event is not indicative of the user selecting the page back portion, then a step of updating a pacing parameter based on the user-mitiated event is performed as indicated by block 642 Examples of the pacing parameter include the desired reading pace and the reading goal After updating the pacing parameter, flow of the subroutine is directed back to block 624 to recalculate an estimated completion t me and the necessary reading pace
  • FIG 34 is a flow diagram of steps performed in an embodiment of the font selection subroutine
  • the font selection subroutine is executed in block 414 in the event loop of FIG 25.
  • a step of displaying a plurality of words using a corresponding plurality of combinations of different fonts and different sizes is performed More specifically, each word is displayed using a specific font and a specific size in accordance with the combination corresponding thereto
  • the step of displaying the plurality of words can include displaying a respective font name for each of the combinations
  • the step of displaying the plurality of words can include displaying a single textual expression using the corresponding plurality of combinations .
  • a step of receiving a user-initiated event indicative of the user selecting one word of the plurality of words is performed. This selection indicates which font/size combination is desired by the user.
  • a step of updating a primary font parameter and a primary size parameter is performed.
  • the primary font parameter and the primary size parameter are updated in accordance with the font/size combination selected by the user.
  • a step of automatically returning to displaying the title page is performed after receiving the user-initiated event selecting the one word.
  • a subsequent step of displaying text of a book includes displaying the text using the primary font in a size at least the primary size.
  • FIG. 35 is a flow diagram of steps performed in an embodiment of the system control subroutine.
  • the system control subroutine is executed in the step indicated by block 416 in the event loop of FIG. 25.
  • the system parameters can include display parameters such as a contrast parameter, a tint parameter, and a color parameter.
  • the system parameters can also include a sound parameter.
  • a step of receiving a user-initiated event is performed. If the user-initiated event is indicative of the user selecting the page back portion of the touchscreen, as indicated by block 664, then execution of the system control subroutine is completed. For other user-initiated events, a step of updating a system parameter is performed as indicated by block 668.
  • the various embodiments of the present invention automatically return to a predetermined page in the book after receiving the font/size selection in order to reduce the number of user-initiated actions required for the selection

Abstract

A method of selecting a primary font and a primary size for displaying text in an electronic book (118) having a book-shaped housing (100) includes displaying a plurality of words (250) using a corresponding plurality of combinations of a plurality of fonts and a plurality of sizes. A user-initiated event (212) is received in which one word of the plurality of words (250) is selected. The primary font is updated to a font with which the one word is displayed, and the primary size is updated to a size in which the one word is displayed.

Description

ELECTRONIC BOOK AND METHOD OF SELECTING A PRIMARY FONT AND A PRIMARY SIZE FOR DISPLAYING TEXT THEREWITH
Related Invention
The present invention is related to the following invention which is assigned to the same assignee as the present invention:
"System and Method for Limiting Access to a Book Card", having Serial No. 08/572,346, filed December 14, 1995
"Apparatus and Method for Storing and Presenting Text", having Serial No 08/572,451, filed December 14, 1995
"Method and Electronic Book for Creating a Plurality of Versions of a Book", having Serial No 08/572,485, filed December 14, 1995
"Electronic Book Diary and Method For Use Therefore", having Serial No. 08/572,602, filed December 14, 1995.
"Method and Device for Inhibiting the Operation of an Electronic Device During Take-Off and Landing of an
Aircraft", having Serial No. 08/572,603, filed December 14, 1995.
"System for Inhibiting the Operation of an Electronic Device During Take-Off and Landing of an Aircraft", having Serial No. 08/572,484, filed December 14, 1995.
"Method for Abridging Text", having Serial No. 08/572,834, filed December 14, 1995.
"A Method of Substituting Names in an Electronic Book", having Serial No. 08/572,480, filed December 14, 1995.
"System and Method of Authoring Tools for an Electronic Book", having Serial No 08/572,358, filed December 14, 1995.
"System and Method for an Automatic Library for a Plurality of Book Cards", having Serial No 08/572,482, filed December 14, 1995 "Electronic Book and Graphical User Interface for Selecting a Book to Read Therewith", having Serial No. 08/572,406, filed December 14, 1995.
"Electronic Book and Graphical User Interface to Provide Control Thereof", having Serial No. 08/572,403, filed December 14, 1995.
"Electronic Book and Method of Storing at Least One Book in an Internal Machine-Readable Storage Medium", having Serial No. 08/572,593, filed December 14, 1995.
"Electronic Book and Method of Annotation Therefor", having Serial No. 08/572,367, filed December 14, 1995. "Electronic Book and a Method of Displaying a Relative Position of a Current Page of a Book Therefor" , having Serial No. 08/572,373, filed December 14, 1995
"Method and System for Encoding a Book for Reading Using an Electronic Book", having Serial No. 08/572,468, filed December 14, 1995.
"Electronic Book and Method of Displaying an Animated Page Turn Therefor", having Serial No. 08/572,405, filed December 14, 1995. "Electronic Book and Method of Controlling a Rate of Information Displayed Thereby", having Serial No. 08/572,372, filed December 14, 1995.
"Reusable Housing and Memory Card Therefor", having Serial No. 08/572,413, filed December 14, 1995. "Electronic Book and Method of Displaying at Least One Reading Metric Therefor", having Serial No. 08/572,842, filed December 14, 1995.
"Electronic Book and Method of Creating a Personal Log of Reading Activity Therefor", having Serial No. 08/572,456, filed December 14, 1995.
"Electronic Book Having Highlighting Feature" , having Serial No. 08/572,469, filed December 14, 1995.
"Electronic Book and Method of Capturing and Storing a Quote Therein", having Serial No. 08/572,601, filed December 14, 1995.
The subject matter of the above-identified related inventions are hereby incorporated by reference into the disclosure of this invention.
Field of the Invention
The present invention relates to electronic books having the look and feel of real paper books and methods of selecting a primary font and a primary size for displaying text therewith.
Background of the Invention
Various types of hand-held electronic reading devices have been proposed to electronically display textual information for reading by a user. A typical hand-held electronic reading device includes a display device to display the textual information and a user interface which allows a user to navigate through the textual information and access various features of the electronic reading device. The display device and the user interface are incorporated in a hand-held housing to facilitate portability of the electronic reading device.
Many hand-held electronic reading devices have a user interface in the form one or more external buttons. The buttons are depressed in a predetermined manner either to navigate through the textual information or to access various features of the device. However, many hand-held electronic reading devices implement the user interface in a manner which does not provide a simple, intuitive, or efficient method for navigating the textual information or for accessing the features.
U.S. Patent No. 5,233,333 to Borsuk discloses a hand¬ held portable reading unit having a button located thereon for varying a font size in which the textual information is displayed. Depression of the button increments an internal variable related to the font size. A user selects a desired font size by repeatedly depressing the font size select button until the desired font size is displayed on the reading unit. Consequently, the user must cycle through a number of font sizes until arriving at the desired font size.
The lack of simplicity of using current hand-held electronic reading devices along with the lack of comfort in handling many of these devices result in some people preferring to read a real paper book rather than using a hand-held electronic reading device.
Brief Description of the Drawings
The invention is pointed out with particularity in the appended claims. However, other features of the invention will become more apparent and the invention will be best understood by referring to the following detailed description in conjunction with the accompanying drawings in which:
FIG. 1 is a view of an embodiment of an electronic book in a closed position; FIG. 2 is a view of the embodiment of the electronic book of FIG. 1 in an open position;
FIG. 3 is a block diagram of an embodiment of the electronic book;
FIG . 4 is an illustration of various hot spot locations used to provide control of the electronic book to a user;
FIG. 5 is an illustration of a library screen display using an embodiment of the electronic book;
FIG. 6 is an illustration of a user-initiated event to open the desired book from the library screen;
FIG. 7 is an illustration of a first page of a book displayed on an embodiment of the electronic book;
FIG. 8 is an illustration of a title page of a book displayed on an embodiment of the electronic book; FIG. 9 is an illustration of a font selection page displayed on an embodiment of the electronic book; FIG. 10 is an illustration of the title page of the book which is displayed upon exiting the font selection page;
FIG. 11 s an illustration of a system control page displayed in an embodiment of the electronic book; FIG. 12 is an illustration of the title page of the book which is displayed upon exiting the system control page;
FIG. 13 is an illustration of the title page of the book wherein a radio frequency link option is selected; FIG 14 is an illustration of the title page of the book wherein a pacing control option is selected by a user;
FIG. 15 is an illustration of a pacing control page displayed in an embodiment of the electronic book; FIG. 16 is an illustration of the title page of the book which depicts other user-initiated options;
FIG . 17 s an illustration of a page marked by a dog ear for use in embodiments of the electronic book;
FIG . 18 is an illustration of a dog ear dialog box used in embodiments of the electronic book;
FIG . 19 is an illustration of a user selecting a portion of a page of text;
FIG 20 is an illustration of an option selection dialog box used in embodiments of the electronic book; FIG. 21 is an illustration of an annotation display used in embodiments of the electronic book;
FIG . 22 is an illustration of a marker used to indicate that a page has an annotation associated therewith; FIG. 23 is an illustration of a user selecting a set bookmark option in the option selection dialog box;
FIG. 24 is an illustration of the page of FIG. 23 having a bookmark displayed thereon;
FIG. 25 is a flow diagram of an event loop performed in an embodiment of the electronic book;
FIG. 26 is a flow diagram of steps performed in an embodiment of a library graphical user interface routine for use in the electronic book;
FIGS. 27 and 28 show flow diagrams of an embodiment of the routine to display pages of text n the electronic book; FIG. 29 is a flow diagram of steps performed to display a current page m the electronic book;
FIG. 30 is a flow diagram of steps performed in an embodiment of an annotation subroutine;
FIG. 31 is a flow diagram of steps performed in an embodiment of a quote capture subroutine;
FIG. 32 is a flow diagram of steps performed in an embodiment of a dog ear subroutine;
FIG. 33 is a flow diagram of steps performed in an embodiment of a pacing control subroutine; FIG. 34 is a flow diagram of steps performed in an embodiment of the font selection subroutine; and
FIG. 35 is a flow diagram of steps performed in an embodiment of the system control subroutine.
Detailed Description of a Preferred Embodiment
Embodiments of the present invention advantageously provide an electronic book having an improved method of selecting a primary font and a primary size for displaying textual information therewith. A user selects a desired font/size combination by viewing a plurality of words displayed in a plurality of font/size combinations, and selecting the desired font/size combination directly therefrom. The primary font and the primary size are automatically updated upon selecting the desired font/size combination.
FIG. 1 is a view of an embodiment of an electronic book n a closed position. The electronic book has a book-shaped housing 100 having the look and feel of a real, paper book. The book-shaped housing 100 has a first housing member 102 pivotably connected to a second housing member 104 to facilitate opening and closing in a book¬ like manner. The first housing member is partially formed by a book-like, front cover member 106. In a similar manner, the second housing member 104 is partially formed by a book-like, back cover member 108. The front cover member 106 and the back cover member 108 are pivotably connected by a spine member 110.
To better provide the look and feel of a real book, the front cover member 106 and the back cover member 108 have an exterior made of a material used in real book covers. Examples of such a material include, but are not limited to, leather, simulated leather, vinyl, and a woven fabric such as cotton. The exterior can either be permanently affixed to the front cover member 106 and the back cover member 108, or be in the form of a removable jacket.
In addition to the front cover member 106, the first housing member 102 is partially defined by an enclosure 112. Similarly, the second housing member 104 is partially defined by an enclosure 114 in addition to the back cover member 108. When the electronic book is in the closed position, the enclosure 112 and the enclosure 114 have an external appearance of edges of pages of a real, paper book. In particular, the enclosures 112 and 114 define a top edge 116, a bottom edge 118, and a foredge 120 which appear as the top edge, the bottom edge, and the foredge, respectively, of a real, paper book. The top edge 116, the bottom edge 118, and the foredge 120 are recessed with respect to the front cover member 106 and the back cover member 108. FIG. 2 is a view of the embodiment of the electronic book of FIG. 1 in an open position. It is preferred that the first housing member 102 and the second housing member 104 be substantially symmetric so that the front cover member 106, the back cover member 108, and the spine member 110 rest substantially flat on a flat surface in the open position. The substantial symmetry makes the electronic book feel like a real, paper book being opened to one of its middle pages. As a result, the electronic book can be comfortably held and read in a manner consistent with a paper book.
A touchscreen 130 is integrated in the book-shaped housing 100 to be accessible when the book-shaped housing 100 is opened in the book-like manner. In the embodiment illustrated in FIG. 2, the touchscreen 130 is integrated with the enclosure 114 of the second housing member 104. Optionally, a second touchscreen 132 can also be integrated in the book-shaped housing. As illustrated, the second touchscreen 132 can be integrated with the enclosure 112 of the first housing member 102.
The touchscreen 130 and the second touchscreen 132 each include a touch-sensitive panel over a display device. Behind the display device can be a backlighting element.
The touchscreen 130 and the second touchscreen 132 may provide either a color display or a monochrome display depending on a particular model of the electronic book. To provide their touch sensitivity, the touchscreen 130 and the second touchscreen 132 can utilize analog resistive technology as is known in the art. It is noted, however, that other technologies for providing touch sensitivity can also be utilized. It is preferred that the touchscreen 130 and the second touchscreen 132 be capable of providing backlighting to allow use of the electronic book in poorly-lit or dimly-lit environments. More preferably, the touchscreen 130 is capable of backlighting selected portions or subsets of the entire touchscreen 130. Here, the electronic book can provide a power-saving mode wherein only a portion of the touchscreen 130 being viewed by a user is actively backlit.
The book-shaped housing includes a receiving slot 134 which physically receives a removable machine-readable storage medium 136. The removable machine-readable storage medium 136 contains machine-readable data representative of text from a book. Optionally, the machine-readable data is also representative of graphical information within the book. It is noted that the term "book" should be construed broadly as any written or printed composition having textual information which is read by an individual. Hence, the term "book" should be inclusive of books, magazines, newspapers, or the like.
The text and the graphical information contained in the removable machine-readable storage medium 136 are displayed on the touchscreen 130. The second touchscreen 132 can be included to display graphical information while the touchscreen 130 displays text. As another option, the touchscreen 130 and the second touchscreen 132 can display neighboring pages of the book. Further, the touchscreen 130 and the second touchscreen 132 can be utilized to simultaneously view two books. The second touchscreen 132 can also be utilized in a second level operating system, which is herein called an advanced reader graphical user interface. The functionality of the second touchscreen 132 can be selected by the user using a switch or the advanced reader graphical user interface in the electronic book.
It is noted that there are a number of ways to encode the text and the graphical information within the book for storage on the removable machine-readable storage medium 136. In one embodiment, the removable machine-readable storage medium 136 contains a series of pointers which point to words contained in a dictionary within the electronic book. Words which are not contained in the dictionary are located in a customized dictionary on the removable machine-readable storage medium 136. In this way, the words to be presented on the touchscreen 130 are selected with minimal storage requirements in the removable machine-readable storage medium 136. Preferably, the removable machine-readable storage medium 136 is in the form of either a smart card or a PCMCIA card. Here, the receiving slot 134 is shaped to receive either a smart card or a PCMCIA card.
The book-shaped housing 100 further defines a power- receiving port 138 and a data-receiving port 140. The power-receiving port 138 receives a plug or other type of connector to supply power to the electronic book. Power supplied to the electronic book via the power receiving port 138 can be used to directly operate the electronic book or to recharge batteries internal to the electronic book. In one embodiment of the electronic book, the spine member 110 is shaped to receive a combination of battery cells which can be recharged via the power-receiving port 138. If the second touchscreen 132 is not used, the enclosure 112 of the first housing member 102 can be used to store extra batteries and/or e. ra book cards . The data port 140 is utilized to communicate signals representative of machine-readable data between the electronic book and an external device. The data port 140 can be used, for example, to receive machine-readable data signals representative of text and graphics in a book from the external device for storage in the electronic book.
In this manner, the data port 140 provides an alternative to the receiving slot 134 for receiving text and graphics of a book. Additionally, the data port 140 can be utilized to transmit machine-readable data contained within the electronic book to the external device.
Preferably, the electronic book is automatically activated (i.e., automatically turns on) when m the open position, and is automatically deactivated (i.e. automatically turns off) when in the closed position. To this end, the electronic book can include a magnet 142 incorporated within oi of the first housing member 102 or the second housing member, and a reed switch 144 incorporated within the other housing member. When the electronic book is in the closed position, the magnet 142 is proximate to the reed switch 144. The magnetic field generated by the magnet 142 causes the reed switch 144 to assume a first switch position which deactivates the electronic book When the electronic book is in the open position, the magnet 142 is distant from the reed switch 144 In absence of a significant magnetic field, the reed switch 144 returns to a second switch position which activates the electronic book.
It is noted that in alternative embodiments, the electronic book is activated and deactivated by an external switch or button (not specifically illustrated) rather than by the reed switch 144 FIG 3 is a block diagram of an embodiment of the electronic book An interface 150 receives the removable machine-readable storage medium 136 containing machine- readable data representative of text and graphics from a book In a preferred embodiment of the present invention, the interface 150 comprises a PCMCIA interface which receives a removable machine-readable storage medium in the form of a PCMCIA card Physically, the interface 150 is proximate to the receiving slot 134 illustrated in FIG 2. In general, it is preferred that the interface 150 be capable of receiving an external device other than a machine-readable storage medium Further, it is preferred that the interface 150 be capable of receiving a plurality of external devices To these ends, the interface 150 can comprise a plurality of similar interfaces, such as a plurality of PCMCIA interfaces Here, the electronic book can simultaneously receive two or more of a PCMCIA memory card, a PCMCIA modem, or another PCMCIA device
A processor 152 is in communication with the interface 150 to read the machine-readable data from the removable machine-readable storage medium 136 The processor 152 can be in the form of a microprocessor, a custom integrated circuit, an application specific integrated circuit, or a programmable logic array, for example Physically, the processor 152 is housed within the book-shaped housing 100 The touchscreen 130 is in communication with the processor 152 to display a page of the text and/or the graphics represented by the machine-readable data Further, the touchscreen 130 acts as an input device to receive user-initiated events, i.e user-initiated actions, and communicate these user-initiated events or actions to the processor 152
An internal machine-readable storage medium 154 is in communication with the processor 152 to support a number of operative features of the electronic book The internal machine-readable storage medium 154 can include one or more memory devices, such as a random access memory, a read-only memory, and/or an electronically erasable and programmable read-only memory (EEPROM) A computer program or other form of software or firmware is stored in the internal machine-readable storage medium 154 The computer program directs the processor 152 to support the operative features of the electronic book Preferably, the computer program includes an event loop that processes and responds to user-initiated events and actions More specifically, received events are placed in an event queue in the internal machine-readable storage medium 154 Each of the received events is processed and removed from the event queue. As a result, a user can initiate a number of events or actions without having to wait for previous actions to be processed
The internal machine-readable storage medium 154 can also include a dictionary to which pointers stored m the removable machine-readable storage medium 136 point By including the dictionary within the electronic book, less storage space is required on the removable machine- readable storage medium 136 to store the text from the book
Further, the internal machine-readable storage medium 154 can contain machine-readable data representative of text and graphics from a book Here, the processor 152 reads the machine-readable data from the internal machine- readable storage medium 154 and commands the touchscreen 130 to display pages of the text and graphics.
Signals are communicated between the electronic book and an external device via either a data interface 156 in communication with the processor 152, via an antenna 158 and a radio frequency modem 160 in communication with the processor 152, or via an infrared transceiver 161 in communication with the processor. As another option, communication between the electronic book and the external device can be effectuated using either a smart communication card or a PCMCIA communication card received by the interface 150. Here, a PCMCIA modem card or a PCMCIA infrared transceiver card can be utilized, for example, for external communication. Optionally, a voice synthesizer 162 is included in the electronic book to provide a spoken auditory display of pages of the text read from either the removable machine-readable storage medium 136 or the internal machine-readable storage medium 154. In one embodiment, the processor 152 directly converts the text from the book into speech signals for the voice synthesizer 162. Optionally, control codes can be provided within the removable machine-readable storage medium 136 to allow words to be pronounced or emphasized in different ways. Further, the control codes can command the words to be spoken in either a male voice, a female voice, or a child's voice. The synthesized voice can be sampled (such as using the user's voice) or can be a computer- synthesized voice. As an alternative, a custom voice dictionary can be provided to augment a general voice dictionary stored in the electronic book. The customized voice dictionary can be used for alternative pronunciations, voices, and emphasis. The voice synthesizer 162 is either permanently integrated in the electronic book or is a removable accessory. To facilitate removability, the voice synthesizer 162 can be embodied within a smart card or a PCMCIA card for reception by the interface 150. Alternatively, the voice synthesizer 162 can communicate with the processor 152 via an accessory interface bus 163. In a similar manner, the RF modem 160 and/or the second touchscreen 132 can communicate with the processor 152 via the accessory interface bus 163.
Before giving a detailed description of steps performed by the elements of FIG. 3 for the various embodiments of the present invention, a functional description of a particular embodiment of the electronic book will now be described. This embodiment is based on a single touchscreen, namely the touchscreen 130, to display the text and the graphics of the book and to allow a user to control the electronic book. It is noted, however, that the teachings herein can also be applied to a dual touchscreen embodiment which further includes the second touchscreen 132. Furthermore, it is noted that the teachings herein are not limited to the use of a touchscreen, and hence, can be applied to an electronic book containing any type of display device (such as a liquid crystal display or a cathode ray tube, for example) and any type of input device (such as a series of buttons, a mouse, a trackball, a lightpen, or a touchpad, for example) .
FIG. 4 is an illustration of various hot spot locations used to provide control of the electronic book to a user. A page of the text represented by the machine- readable data read from either the removable machine- readable storage medium 136 or the internal machine- readable storage medium 154 is displayed on a display portion 168 of the touchscreen 130. The display portion 168 is also utilized to display graphics represented by the machine-readable data. A first hot spot portion 170 of the touchscreen 130 is designated for receiving a predetermined user-initiated event which requests that a subsequent page of the text be displayed on the touchscreen 130. Hence, the first hot spot portion 170 can be synonymously referred to as an "advance page portion" or an "advance page hot spot" for receiving an advance page event. In the embodiment illustrated in FIG. 4, the first hot spot portion 170 includes a top margin portion 172, a side margin portion 174, and a bottom margin portion 176 of the touchscreen 130. The top margin portion 172 is located above the display portion 168, the side margin portion 174 is located beside the display portion 168, and the bottom margin portion 176 is located below the display portion 168.
A second hot spot portion 178 of the touchscreen 130 is designated for receiving a predetermined user-initiated event which requests that a previous page of the text be displayed. Hence, the second hot spot portion 178 can be synonymously referred to as a "page back portion" or a "page back hot spot" for receiving a page back event. In the embodiment illustrated in FIG. 4, the second hot spot portion 178 is located beside the display portion 168 of the touchscreen 130 and opposite the side margin portion 174.
A third hot spot portion 180 of the touchscreen 130 is designated for receiving a predetermined user-initiated event which requests that a pre-marked page be displayed on the touchscreen 130. In the embodiment of FIG. 4, the third hot spot portion 180 is located in an upper portion of the touchscreen 130 and is shaped as a bookmark graphic 182. Hence, the third hot spot portion 180 can be synonymously referred to as a "bookmark portion" or a "bookmark hot spot" .
A fourth hot spot portion 184 of the touchscreen 130 is designated for receiving a predetermined user-initiated event to close the current book being read and to request that a library screen be displayed on the touchscreen 130. The library screen is utilized by a user to select a book to read from a plurality of books within a library.
Hence, the fourth hot spot portion 184 can be synonymously referred to as a "close book portion" or a "close book hot spot" for receiving a close book event
A fifth hot spot portion 186 of the touchscreen 130 is designated for receiving a predetermined user-initiated event which requests that the displayed page be marked In the embodiment of FIG. 4, the fifth hot spot portion 186 is located in an upper corner of the touchscreen 130 In this embodiment, the fifth hot spot portion 186 of the touchscreen 130 is utilized for dog-earring pages of the book Hence, the fifth hot spot portion 186 can be synonymously referred to as a "dog ear portion" or a "dog ear hot spot" for receiving a dog ear event
A sixth portion 188 of the touchscreen 130 is designated to provide a depth indication representative of how much of the book is left to be read In the embodiment illustrated in FIG 4, the sixth portion 188 is located above the display portion 168 The second hot spot portion 178 can be utilized in conjunction with the sixth portion 188 to provide the depth indication.
In the embodiment of FIG. 4, the display portion 168, the first hot spot portion 170, the second hot spot portion 178, the third hot spot portion 180, the fourth hot spot portion 184, and the fifth hot spot portion 186 are mutually exclusive (i.e. non-overlapping) portions of the touchscreen 130 However, m alternative embodiments of the present invention, these portions may not be mutually exclusive, and hence may overlap Further, some embodiments of the present invention may utilize different sizes and positions for the above-described hot spot portions .
Preferably, the hot spot portions are motion sensitive so that a touch event, a touch-and-hold event, and a drag event can be sensed to initiate differing responses For example, a page back event can be received m the form of a flipping motion (l e a short stroke) across the second hot spot portion 178.
FIG . 5 is an illustration of a library screen displayed using an embodiment of the electronic book. In a preferred embodiment, the library screen is displayed upon opening the electronic book or activating the electronic book. The library screen includes a rearward graphical book representation 200 having a graphical spine portion 202. A forward graphical book representation 204 is displayed in front of the rearward graphical book representation 200. The forward graphical book representation 204 has a graphical spine portion 206 and a graphical front cover portion 208. A title 210 of a book currently being read is displayed on the forward graphical book representation 204. In the embodiment illustrated in FIG. 5, the title 210 is displayed on the graphical spine portion 206 of the forward graphical book representation 204.
Upon receiving a user-initiated event in which a portion of the rearward graphical book representation 200 is selected, a title of another book or books of a plurality of books in a library is displayed in place of the title 210 on the forward graphical book representation 204. In a preferred embodiment, the portion of the rearward graphical book representation 200 selected in this user-initiated event is within the graphical spine portion 202.
The titles of the books in the library can be obtained from a storage medium (which contains the books) installed in the electronic book. Alternatively, the titles of the books can be obtained by a connection to an information service providing books or other information in real time. As another alternative, the titles and the books can be accessed on demand from a world-wide web page.
A user can scroll through the library of books by repeatedly touching the spine portion 202 with his or her finger 212 until a desired book title is pulled into view. When the spine portion 202 is selected for a last of the plurality of books, the title of the first book is displayed. In this manner, the user can rotate through the library of books until a desired book is in front.
FIG. 6 is an illustration of a user-initiated event to open the desired book from the library screen. The forward book is opened upon receiving a user-initiated event in which a portion of the forward graphical book representation 204 is selected. This user-initiated event can include, for example, the user touching the front cover portion 208 of the forward graphical book representation 204 using his or her finger 212. In response to this user-initiated event, the book indicated by a title 214 is opened. If the book is previously unread, the book is opened to page one. If the book has been read before, the book opens to a page which was last read.
FIG. 7 is an illustration of a first page of a book displayed on the touchscreen 130 upon exiting the library screen. To display the first page of the book, the machine-readable data representative of text and graphics from the book is read from either the removable machine- readable storage medium 136 installed in the electronic book, or from the internal machine-readable storage medium 154. Upon reading the machine-readable data, a page of the text and/or the graphics is then displayed on the touchscreen 130. As shown, the text is displayed to appear as a standard page in a real book.
If a user-initiated event is received in which a user selects the second hot spot portion 178, i.e. the page back portion, of the touchscreen 130 when the book is on the first page, then a title page containing system controls is displayed.
FIG . 8 is an illustration of a title page of a book displayed on an embodiment of the electronic book. Information which is displayed on the title page includes a book title 220, author information 222, copyright information 224, a Library of Congress number 226, and publisher information 228 Also displayed are statistics such as a total number of pages 230 in the book, a number of pages left to be read 232, and an elapsed reading time 234 A number of control options are also displayed
These control options include, but are not limited to, a pacing control option 236, a font selection option 238, a system control option 240, a read-to-me option 242, and a radio frequency (RF) link option 244 Any of these control options can be initiated by a respective user- mitiated event indicative of a user selecting the option As illustrated in FIG 8, a user is initiating a font selection routine by touching the font selection option 238 using his or her finger 212. FIG 9 is an illustration of a font selection page displayed on an embodiment of the electronic book The font selection page is displayed upon an initiation of the font selection routine.
Displayed on the font selection page are a number of font/size combination options Each option is in the form of a word displayed using a specific font and a specific size in accordance with the font/size combination A user selects a desired font/size combination by viewing how words appear in the various combinations, and selecting the combination which is desired. For example, in FIG 9, the user is selecting a desired font/size combination by selecting a word 250 displayed in the desired font/size combination using his or her finger 212.
The fonts can be selected from internal fonts and custom fonts provided on the medium provided by a publisher For example, a user may select a Gothic font provided on a medium containing a Shakespeare work instead of default fonts (e.g. Courier, Helvetica, Avant Garde) within the electronic book Upon selecting the desired font/size combination, the electronic book automatically flips back to the title page containing the system controls. Thereafter, the electronic book uses the desired font/size combination as a primary font/size combination to display the text of the book. Titles and headings in the book are enlarged and bolded based upon the primary font/size combination. Other portions of text can be italicized based on the primary font. However, it is preferred that the body of the text never be displayed smaller than the size selected in the primary font/size combination. In some embodiments, it may be preferred to display footnotes in a size smaller than the size selected.
FIG. 10 is an illustration of the title page of the book which is displayed upon exiting the font selection page. Here, a user is shown to initiate a system control routine by selecting the system controls option 240 using his or her finger 212.
FIG. 11 is an illustration of a system control page displayed in an embodiment of the electronic book. The system control page is displayed upon executing the system control routine . The system control page provides a number of display controls including a contrast control 254, a tint control 256, and a color control 258. Each of these controls provides a discrete number of control values which can be directly selected by a user. Further, each control value is displayed in a graphical manner consistent with the result of its selection. For example, the contrast control 254 includes a high contrast graphical representation 262, an intermediate contrast graphical representation 264, and a low contrast graphical representation 266. The graphical representations 262, 264, and 266 are of the same graphical image, but are displayed using different contrast control values. Hence, a user can visually determine a desired contrast by viewing the graphical representations 262, 264 and 266. In a similar manner, the tint control 256 and the color control 258 each display a predetermined graphical image using a discrete number of tint control values and color control values, respectively.
Preferably, the display of the graphical representations withm the display controls are unaffected by current values of selected ones of the controls In one preferred embodiment, the display of the graphical representations is independent of all of the current values. For example, the display of the low contrast representation 266 can be independent of the current contrast control value, the current tint control value, and the current color control value In another preferred embodiment, the display of the graphical representations in each control is independent of the current value of that control, but depend on the current value of the other controls. Here, for example, the display of the low contrast representation 266 is independent of the current contrast control value, but dependent upon the current tint control value and the current color control value Using either of these two embodiments, a user can immediately determine a result of each control value selection before actually performing the selection.
The system control page also includes a sound control
267 The sound control 267 s illustrated to have a discrete number of sound intensity values which can be selected by a user In the embodiment of FIG. 11, the sound intensity values are monotonically related to the size of an ear displayed on the sound control 267 An ear
268 having a slash therethrough is indicative of an option to turn off the sound. For the purpose of illustration, FIG. 11 shows a user selecting an intermediate sound intensity by touching an ear graphic 269. The user then returns to the system control page by touching the second hot spot portion 178, i.e. the page back hot spot, of the touchscreen 130.
It is noted that the controls on the system control page can provide continuous, rather than discrete, control of the control values in alternative embodiments of the electronic book. Here, for example, the ear size and the volume can increase or decrease based on f ger selection movement.
A pad area 270 of the system control page is utilized for testing motions such as a hold event, a turn event, and a mark event In particular, a user can point to any of a hold selection 271, a turn selection 272, and a mark selection 273, and then perform the selected motion n the pad area 270 Here, a length of hold time or style of dragging a finger for a flip command can be gauged for each user, for example, using the pad area 270.
FIG. 12 is an illustration of the title page of the book which s displayed upon exiting the system control page. Here, the user is illustrated to select the read- to-me option 244 which initiates the voice synthesizer 162 to audibly read the text being visually displayed on the touchscreen 130. The audible reading of the text begins at the last page which was displayed on the touchscreen 130. The reading rate and other controls for the read-to¬ me routine is provided on a pacing control page described hereinafter.
FIG. 13 is an illustration of the title page of the book wherein a radio frequency link option is selected. This option is selected by the user by touching the RF link option 244 using his or her finger 212 Upon selecting the RF link option 244, an RF link routine is executed. The RF link routine allows the user to download updates of the text to the electronic book, and/or to interface the electronic book to a personal computer or communication unit The RF link routine utilizes the antenna 158 and the RF modem 160 illustrated in FIG. 3 to communicate with the personal computer using a local wireless link, or more generally to communicate w th a wireless data communication network Utilizing a nationwide wireless data communication network, such as the Ardis network, allows individuals to receive book updates via radio frequency links in major cities FIG 14 is an illustration of the title page of the book wherein a pacing control option is selected by a user Specifically, the user is shown to initiate a pacing control routine by selecting the pacing control option 236 displayed on the title page using his or her fmger 212
FIG 15 is an illustration of a pacing control page displayed n an embodiment of the electronic book The pacing control page is displayed once the user selects the pacing control option 236 from the title page The pacing control page includes a display 280 of a current reading pace of the user Based upon the number of pages left the book, which is given in a display 282, a display 284 of an estimated completion time for the book is also given In the embodiment of FIG 15, the current reading pace, the number of pages left, and the estimated completion time are displayed in the form of one or more sentences
Also displayed on the pacing control page is a display 290 of a desired reading pace A display 292 of an estimated completion time in accordance with the desired reading pace is also given The desired reading pace is controlled by the user using a graphical slider bar 294 The pages of the text in the book are automatically paced by a pacing routine which is enabled and disabled by a graphical switch 296 In one embodiment, each page of text is displayed for a duration commensurate with the desired reading rate controlled by the graphical slider bar 294 The user returns to the title page from the pacing control page by selecting the second hot spot portion 178, 1 e. the page back portion, of the touchscreen 130
FIG 16 is an illustration of the title page of the book which depicts other user-initiated options The user can return to a book-marked page by selecting the bookmark graphic 182 The user can return to the library screen by selecting the fourth hot spot portion 184, I e the close book portion, of the touchscreen 130. The user can go to the first page of the book by selecting the first hot spot portion 170, i.e. the advance page portion, of the touchscreen 130.
FIG. 17 is an illustration of a page marked by a dog ear in an embodiment of the electronic book. The user initiates a dog ear command by performing a predetermined user-initiated event. An example of such an event includes a user touching an upper corner portion of the touchscreen 130, such as the fifth hot spot portion 186 defined earlier.
If the page is not dog-eared, then a brief touching of the upper corner portion 186 causes a dog ear graphic 300 to be displayed in the upper corner portion. In addition, an indication that this page has been dog-eared is stored either in the removable machine-readable storage medium 136 or the internal machine-readable storage medium 154.
If the user touches the upper corner portion 186 of a page already marked with a dog ear, or if the upper corner portion 186 is held for a duration greater than a predetermined threshold, then a dog ear dialog box is opened.
FIG. 18 is an illustration of a dog ear dialog box used in embodiments of the electronic book. A dog ear dialog box 302 is displayed on touchscreen 130. The dog ear dialog box 302 displays a list 304 of all dog-eared pages. A user can immediately go to one of the dog-eared pages on the list 304 by touching a display of a selected page number. The dog ear dialog box 302 also displays an option 306 to display marks 308 along an edge 310 of the page. Thereafter, a user can touch any of the marks 308 to move quickly to a corresponding one of the dog-eared pages . In the example illustrated in FIG. 18, a mark 312 corresponds to marked page 1, a dog ear 314 corresponds to marked page 35, a mark 316 corresponds to marked page 94, a mark 318 corresponds to marked page 111, and a mark 320 corresponds to marked page 120. In a preferred embodiment, page one is always marked with a dog ear so that a user can quickly return thereto using either the marks 308 or the dog ear dialog box 302. Upon receiving a user-initiated event while the dog ear dialog box 302 is displayed, the dog ear dialog box 302 is removed to show the selected page of the book. FIG . 19 is an illustration of a user selecting a portion of a page of text. A portion 330 is selected by a user-initiated event of sliding his finger 212 (or other pointing member such as a stylus) from a first position 332 to a second position 334. Upon its selection, the portion 330 of the text is highlighted in a predetermined manner. The portion 330 of the text can be highlighted in color if the touchscreen 130 is capable of a color display. Alternatively, the portion 330 of the text can be highlighted using grey scale shading, reverse video, or underlining. An option selection dialog box is then displayed on the touchscreen 130 to provide the user a number of text marking options.
FIG. 20 is an illustration of an option selection dialog box used in embodiments of the electronic book. An option selection dialog box 340 is displayed on the touchscreen 130 in a location out of the way of the portion 330 of the text that is marked when possible. The option selection dialog box 340 includes a plurality of text marking options including a note capture option 342, a highlighting option 344, a quote capture option 346, and a set bookmark option 348. Briefly, the note capture option 342 allows a user to type in notes associated with the portion 330 of the text. The highlighting option 344 leaves the portion 330 of the text highlighted, and stores an indication of this highlighting so that any subsequent return to this page displays the portion 330 as being highlighted. The quote capture option 346 allows a user to store the portion 330 of the text along with source data, such as the name of the author of the book or the title of the book, in the internal machine-readable storage medium 154. The set bookmark option 348 can be selected to add a bookmark to the current page. If the page already has a bookmark, then a number of bookmark management options similar to options used for the dog ear command are provided to the user.
FIG. 21 is an illustration of an annotation display used in embodiments of the electronic book. The annotation display is provided in response to a user selecting the note capture option 342 illustrated in FIG. 20. After receiving a user-initiated event indicative of selecting the note capture option 342, a soft keyboard 360 is displayed on the touchscreen 130. The soft keyboard 360 includes alphanumeric keys and symbolic keys along with a close ke and a notes collection key.
A plurality of keystroke events are received by the soft keyboard 360 to form an annotation. As the keystroke events are received, a plurality of characters corresponding thereto are displayed in a window 362 on the touchscreen 130.
The user selects the close key on the soft keyboard 360 upon completing the annotation. In response to selecting the close key, the electronic book removes the soft keyboard 360 and the window 362 from the touchscreen 130 and displays a note marker icon to indicate that the page has an annotation associated therewith.
The notes collection key on the soft keyboard 360 commands the electronic book to communicate the annotation to an external device such as a personal computer. The personal computer can be interfaced to the electronic book either wirelessly via the antenna 158 and the radio frequency modem 160 shown in FIG. 3, using a wire-based connection via the data interface 156, or using an infrared link.
An annotation can also be in the form of an image of pixels which overlays the page of the text. The pixels can be drawn on the touchscreen 130 using a pointing device. The pixels can be stored in a pixel-map form for subsequent viewing or for subsequent conversion to text using a handwriting recognition method. As another option, an accessory keyboard can be added to the electronic book to enter the annotation as well as other information.
FIG. 22 is an illustration of a marker used to indicate that a page has an annotation associated therewith. The page illustrated in FIG. 22 results after the user enters the annotation and selects the close key from the soft keyboard 360 as illustrated in FIG. 21. As shown, the page in FIG. 22 no longer has the soft keyboard 360 and the window 362 displayed thereon. However, a note marker icon 370 is displayed in a lower corner of the page. The user can view the annotation associated with this page by selecting the note marker icon 370. Selecting the note marker icon 370 has the same effect as selecting the note capture option 342 as shown in FIG. 20. Further, an annotation can be indicated by underlining or highlighting the portion of the text associated with the annotation. The annotation can be viewed in a hypertext-type manner by selecting the portion of text. FIG. 23 is an illustration of a user selecting a set bookmark option in the option selection dialog box. The user selects the set bookmark option 348 by touching the displayed text associated therewith using his or her finger 212 or other pointing member. If this page had already included a bookmark, then a bookmark management dialog box is displayed similar to the one used for the dog ear command. Since the page illustrated in FIG. 23 does not have a bookmark associated therewith, the selection of the set bookmark option 348 causes a bookmark to be added to the page. In a preferred embodiment, only one page is bookmarked within each book. FIG. 24 is an illustration of the page of FIG 23 having a bookmark displayed thereon A bookmark con 380 is displayed in an upper portion of the page to indicate that the page has been bookmarked
It is noted that pointing devices other than an individual's finger may be utilized to generate user- init ated events indicative of desired selections using the touchscreen 130 For example, a stylus or the like can be utilized to select desired portions of the touchscreen 130. It is also noted that various types of graphical controls can be utilized to control settings and parameters of the electronic book These graphical controls include, but are not limited to, graphical buttons, checkboxes, radio buttons, scroll bars, slider bars, pop-up menus, and dialog boxes.
Next, a description of steps which are performed by the various components of the electronic book to provide its features and functionality is presented. These operational steps are performed on or with the aid of the processor 152 illustrated in FIG. 3 The processor 152 is directed to function n a manner in accordance with these operational steps based upon a computer program or other form of software or firmware stored in a computer readable memory The computer readable memory can be contained with the processor 152, within the internal machine- readable memory 154, or withm a separate machine-readable storage medium in communication with the processor 152 It is noted that the order n which the steps are described are indicative of one embodiment of the present invention, and that alternative embodiments of the present invention may perform the steps n a different order to achieve the same functionality.
FIG 25 is a flow diagram ot an event loop performed in an embodiment of the electronic book As indicated by block 400, a step of executing a library graphical user interface routine is performed The library graphical user interface routine provides a virtual library to allow a user to select a book to read from a plurality of books within a library, and/or access an information service or world-wide web page as previously described. The plurality of books can be contained in one or more removable machine-readable storage media and/or the internal machine-readable storage medium.
Upon selecting a desired book, a step of executing a routine to display one or more pages of text and graphics from the desired book is performed as indicated by block 402. The routine to display the pages of text is executed until a predetermined user-initiated event is received to exit the routine. As indicated by block 404, if a close book event is received, then flow of the event loop is directed back to the step of executing the library graphical user interface routine in block 400.
If a page back event is received when the current page of text being read is page one, then a step of displaying a title page of the book is performed as indicated by block 406. The title page provides a number of control options available to a user. The user selects a desired control option based upon a user-initiated event. Block 408 indicates a step of receiving this user- initiated event.
Based upon the user-initiated event which is received, flow of the event loop is directed to one of a number of subroutines in a step indicated by block 410. If the received event is indicative of the user selecting the pacing control option, then a step of executing a pacing control routine is performed as indicated by block 412. If the received event is indicative of the user selecting the font selection option, then a step of executing a font selection routine is performed as indicated by block 414. If the received event is indicative of the user selecting the system control option, then a step of executing a system control subroutine is performed as indicated by block 416. If the received event is indicative of the user selecting the RF link option, then a step of executing an RF link subroutine is performed as indicated by block 420 Upon completing either the pacing control subroutine, the font selection routine, the system control routine, or the RF link routine, flow of the event loop is directed back up to block 406 wherein the step of displaying the title page is performed.
If the received event from block 408 is indicative of the user selecting the read-to-me option, then a step of executing a read-to-me routine is performed as indicated by block 422 Flow of the event loop is then directed back to block 402 to execute the routine to display pages of text from the book. The execution of the read-to-me routine in block 422 provides a spoken, auditory display of the text in addition to the visual display of the text in block 402.
If the event received n the step of block 408 is an advance page event, then a step of setting the current page to page one is performed as indicated by block 424 If the received event is indicative of the user selecting a bookmark displayed on the title page, then a step of setting the current page to a previously bookmarked page is performed as indicated by block 426. After the current page is set in either of the steps indicated by blocks 424 and 426, then flow of the event loop is directed back to the step of executing the routine to display pages of text mdicated by block 402.
Finally, if the event received in block 408 is indicative of a close book event, then flow of the event loop is directed back to block 400 to perform a step of executing the library graphical user interface routine
FIG 26 is a flow diagram of steps performed in an embodiment of a library graphical user interface routine for use in the electronic book These steps can be performed in executing the library graphical user interface routine indicated by block 400 in FIG 25 The steps provide a method of selecting a book for reading in an electronic book where the book is selected from a plurality of books in a library
As indicated by block 430, a step of displaying a rearward graphical book representation having a graphical spine portion is performed A step of displaying a forward graphical book representation in front of the rearward graphical book representation is performed as indicated by block 432 The forward graphical book representation has a graphical spine portion and a graphical front cover portion
As indicated by block 434, a step of displaying a title of a first book of the plurality of books on the forward graphical book representation is performed The title of the first book can be displayed anywhere on the forward graphical book representation However, in a preferred embodiment, the title of the first book is displayed on the graphical spine portion of the forward graphical book representation FIG 5 illustrates an example of the rearward graphical book representation 200 having the graphical spine portion 202, the forward graphical book representation 204 having the graphical spine portion 206 and the graphical front cover portion 208, and the title 210 displayed on the forward graphical book representation 204 With reference again to FIG 26, a step of receiving a first user-initiated event in which a portion of the rearward graphical book representation is selected is performed as indicated by block 436 In a preferred embodiment, the portion of the rearward graphical book representation selected in this step is with the graphical spine portion of the rearward graphical book representation Upon receiving the first user-initiated event, a step of displaying a title of a second book of the plurality ot books is performed as indicated by block 440 Preferably, the title of the second book is displaved in place of the title of the first book on the graphical spine portion of the forward graphical book representation
As indicated by block 442, a step is performed of receiving a second user-initiated event in which a portion of the forward graphical book representation is selected In a preferred embodiment, the portion of the forward graphical book representation selected in this step is withm the front cover portion of the forward graphical book representation. The reception of the second user- mitiated event ends the execution of the library graphical user interface routine, and flow is directed to the routine to display pages of text from the second booκ Here, steps are performed of reading machine-readable data from a machine-readable storage medium installed in the electronic book, the machine-readable data being representative of text from the second book, and displaying the text represented by the machine-readable data
It is noted that the steps indicated by blocks 436 and 440 can be repeated to allow the user to rotate through the plurality of books. When the first user- lmtiated event is received while a last of the plurality of books is displayed, the next title displayed is that ot the first of the plurality of books
It s preferred that steps of displaying and receiving user- itiated events all be performed using the touchscreen 130 integrated m the electronic book. However, in alternative embodiments of the electronic book which include a series of buttons external to the touchscreen 130, any of the above-described user-initiated events may be received using these buttons
FIGS. 27 and 28 show flow diagrams of an embodiment of the routine to display pages of text in the electronic book The steps indicated in these flow diagrams are performed in one embodiment of the step indicated bv block 402 in FIG 25 Upon entering the routine, a step of displaying a current page of the book is performed as mdicated by block 450. The current page mcludes text from the current page of the book, a graphical display of a number of pages remaining in the book, a display of a bookmark graphic if there is a bookmark associated with the current page, a dog ear graphic f the current page is dog-eared and a note marker icon if there is an annotation associated with the current page. Optionally, the current page mcludes graphics from the current page of the book After displaying the current page, a branching step is performed, as indicated by block 452, based upon any user-mitiated events which are received. If a user- mitiated event is received which selects a portion of the text, a step of marking the portion of the text is performed as indicated by block 454. The portion of the text can be marked either by color or grey scale highlighting the portion of the text, underlining the portion of the text, or displaying the portion of the text in a reverse video form. The portion of the text can be selected directly by a user sliding a fmger or a stylus over the portion of the text. Alternatively, the portion of the text can be selected indirectly by a menu selection technique
After the portion of the text has been marked, a step of displaying an option selection dialog box is performed as indicated by block 456. The option selection dialog box provides a plurality of options to the user, including a note capture option, a highlighting option, a quote capture option, and a set bookmark option As indicated by block 460, a step of receiving a user-mitiated event indicative of a selection of one of the options is performed. Based upon the selection, a branching step is performed as indicated by block 462 If the note capture option is selected, then a step of executing an annotation subroutine is performed as indicated bv block 464 If the quote capture option is selected, then a step of executing a quote capture subroutine is performed as indicated by block 466 If the highlighting option is selected, then a step of executing a highlighting subroutine is performed as indicated bv block 470 If the set bookmark option is selected, then a step of executing a bookmark subroutine is performed as indicated by block 472
Upon completing the execution of either the annotation subroutine, the quote capture subroutine, the highlighting subroutine, or the bookmark subroutine, a step of determining whether a pacing mode is active is performed as indicated by block 474 If the pacing mode is inactive, then flow of the routine is directed back to block 452 which performs a branching step based upon a received user-initiated event If the pacing mode is active, then a step of determining whether a highlighting mode is active is performed as indicated by block 476 If the highlighting mode is active then a step of scrolling a highlight across the current page is performed as mdicated by block 480 Scrolling the highlight across the current page allows pacing of a user's scanning across the current page A user can activate the highlighting mode to help enhance his or her reading speed
The highlight which is scrolled across the page can be in the form of either a color or grey scale highlight an underlining of text, or a reverse video form of text If the touchscreen 130 is capable of selective backlighting, then the highlight can be in the form of a selective backlighting of a reduced portion of the touchscreen 130 After scrolling the highlight across the current page in block 480 or if the highlighting mode is inactive, then a step of determining whether it is t me for displaying a subsequent page is performed as indicated by block 482 If the time has not yet come for displaying a subsequent page, then flow is directed back to block 452 If the t me has arrived for displaying a subsequent page, then a step of updating the current page is performed as indicated by block 484 Next, a step ot displaving a forward page turn in an animated matter is performed as mdicated by block 486 This step mcludes displaying an animated sequence of images which simulates a forward flipping of a page. Flow of the routine is then directed back to block 450 to display the new current page
With reference to block 452, if a user-initiated event is received indicative of the user selecting the note marker icon, then the step of executing the annotation routine indicated by block 464 is performed
Thereafter, subsequent steps are performed beginning with the step mdicated by block 474
With reference to the branching step performed in block 452, if a dog ear user-mitiated event is received, then a step of executing a dog ear routine s performed as indicated by block 490. If the user- itiated event is indicative of the user selecting the bookmark portion of the page, then a step of executing a bookmark management routine is performed as indicated by block 491 Thereafter, subsequent steps are performed beginning with the step indicated by block 474 Similarly, if no user- mitiated events are received in block 452, then flow of the routine s directed to the step indicated by block 474 If the user-initiated event is indicative of the user selecting the page back portion of the page, then flow from block 452 branches to a step of decrementing the current page as indicated by block 492 Further, a step of displaying a backward page turn in an animated attei is performed as indicated by block 494 This step includes displaying an animated sequence of images which simulates a backward flipping of a page The steps mdicated by blocks 486 and 494 give the user the sense or feel that a page of information is being turned in place, carrvmg forward the familiar paradigm of turning the page on a standard paper book As indicated by block 496, a step of determining whether the new current page is the title page is performed after the step of block 494. If the new current page is the title page, then execution of the routine to display pages of text in the electronic book is completed as indicated by block 500. If the new current page is any page but the title page, then flow of the routine is directed back to block 450 wherein a step of displaying the new current page is performed.
If the user-initiated event is indicative of the user selecting the advance page portion of the page, then flow is directed from the step indicated by block 452 to a step of incrementing the current page as indicated by block 502. Further, a step of displaying a forward page turn in an animated matter is performed is indicated by block 504. Flow of the routine is then directed back to block 450 wherein the new, incremented current page is displayed.
FIG. 29 is a flow diagram of steps performed to display a current page in the electronic book. These steps constitute one embodiment of a method of performing the step indicated by block 450 in FIG. 27.
As indicated by block 510, a step of displaying text from the current page of the book is performed. The text is displayed in accordance with a primary font parameter and a primary size parameter. If there is any highlighting associated with a portion of the text on the current page, then a step of displaying the portion of the text in a highlighted manner is performed as indicated by block 512. If any graphical information is included in the current page, then a step of displaying the graphical information is performed as indicated by block 513.
As indicated by block 514, a step of graphically displaying a number of pages remaining in the book is performed. The number of pages remaining in the book can be displayed in the sixth portion 188 of the touchscreen 130 as illustrated in FIG. 4. The number of pages remaining in the book can be graphically displayed using either an image of a number of pages, a dark line as a drop shadow, or a group of parallel lines to indicate relative depth by page number in a given document When the current page is one of the early pages in the book, the drop shadow or graphical image depth is relatively deep, indicating that there is a significant portion of the book remaining to be read. When the current page is near the middle of the book, the drop shadow or graphical image depth is half as deep. When nearing the end of the book, the drop shadow or graphical image depth becomes very thm indicating that the reader is almost at the end of the book. As a result, the user can determine at a glance how much of the book has been read, and their relative position withm the book just as a standard paper book As an alternative to using a top portion of the touchscreen for graphically displaying the number of pages remaining in the book, a side edge and/or a bottom edge of the touchscreen 130 can be utilized to provide this graphical display.
As indicated by block 516, a step of determining f a bookmark s associated with the current page is performed If a bookmark is associated with the current page, then a step of displaying a bookmark graphic is performed as indicated by block 520.
As indicated by block 522, a step of determining if the current page is dog-eared is performed. If the current page is dog-eared, then a step of displaying a dog ear graphic is performed as indicated by block 524.
As indicated by block 526, a step of determining whether an annotation exists for the current page is performed. If there is an annotation associated with the current page, then a step of displaying a note marker icon is performed as indicated by block 530
FIG. 30 is a flow diagram of steps performed in an embodiment of an annotation routine. Such an annotation routine is executed m the step mdicated by block 464 in FIG 28. As indicated by block 540, a step of displaying a window for displaying the annotation is performed As indicated by block 542, a step of displaying a soft keyboard on the touchscreen 130 is performed The soft keyboard is provided to receive a plurality of keystroke events to form the annotation
After displaying the soft keyboard and the annotation window, a step of receiving a keystroke event is performed as indicated by block 544 As indicated by block 546, a branching operation is performed based upon the keystroke event received in block 544 If the keystroke event s indicative of the user selecting either an alphanumeric key or a symbolic key on the soft keyboard, then a step of displaying a character associated with the key is performed as indicated by block 560. The character associated with the key is displayed within the annotation window After displaying the character, flow of the routine is directed back to block 544 wherein a subsequent keystroke event is received.
Referring back to the branching step indicated by block 546, if the keystroke event is indicative of a user selecting the close key from the soft keyboard, then a step of closing the soft keyboard is performed as indicated by block 562. A step of closing the annotation window is also performed, as indicated by block 564 As indicated by block 566, a step of displaying a note marker icon on the page is performed Thereafter, execution of the annotation subroutine is completed
With reference again to the branching step performed in block 546, if the keystroke event is indicative of the user selecting the notes collection key, then a step ot communicating the annotation to an external personal computer is performed as indicated by block 570 After communicating the annotation to the personal computer flow of the routine s directed back to block 544 wherein a subsequent keystroke event is received
FIG 31 is a flow diagram of steps performed in an embodiment of a quote capture subroutine. Such a quote capture subroutine can be performed to provide the step indicated by block 466 in FIG. 28.
Prior to entering the quote capture subroutine, a user-initiated event was received in the electronic book which selects a portion of the text displayed on the touchscreen. After receiving the user-initiated event, a plurality of text marking options, including a quote capture option, is displayed, and a user-initiated event indicative of a user selecting the quote capture option is received.
As indicated by block 580, a step of storing quote data representative of the portion of the text is performed. The quote data is stored in the internal machine-readable storage medium 154 illustrated in FIG. 3. As indicated by block 582, a step of storing source data which identifies the source of the quote data is performed. The source data can be representative of the author of the book, the title of the book, a copyright date of the book, and/or a publisher of the book. The source data is stored in the internal machine-readable storage medium 154 from FIG. 3.
As indicated by block 584 , a step is performed of maintaining the quote data and the source data in the internal machine-readable storage medium when the removable machine-readable storage medium is removed from the electronic book. As a result of this step, subsequent steps can be performed based upon the quote data and the source data when the removable machine-readable storage medium is removed. Specifically, a step of retrieving the quote data and the source data from the internal machine- readable storage medium can be performed when the removable machine-readable storage medium is removed from the electronic book. Thereafter, a step of displaying the portion of the text represented by the quote data and source information represented by the source data can be performed. FIG 32 is a flow diagram of steps performed n an embodiment of a dog ear subroutine Such a dog ear subroutine is executed in the step indicated by block 490
As indicated by block 590, a step is performed of determining a duration in which a dog ear portion of the touchscreen is held. A step of comparing the duration to a predetermined threshold is performed as indicated by block 592 The predetermined threshold can be about a second If the duration is less than the predetermined threshold, then a step of determining whether the current page has a dog ear is performed as indicated by block 594 If the current page does not have a dog ear, then a step of storing an indication that the current page be dog-eared is performed as indicated by block 596 Further, a step of displaying a dog ear graphic in an upper corner portion of the touchscreen 130 is performed as indicated by block 600 Thereafter, execution of the dog ear subroutine is completed.
With reference to blocks 592 and 594, if the duration is greater than or equal to the predetermined threshold or if the current page is already dog-eared, then a step of displaying a dog-eared dialog box is performed as mdicated by block 602. With the dog-eared dialog box, a list of all marked pages is displayed Further, an option to show marks corresponding to all of the marked pages along an edge of each page is displayed
As indicated by block 604 , a user- itiated event is received. As indicated by block 606, a branching step is performed based upon the user-initiated event received If the user-initiated event is indicative of a user selecting a page number from the list of marked pages, then a step of setting the current page to the selected page number is performed as indicated by block 610 If the user-initiated event is indicative of the user selecting the marking option, then a step of displaying marks corresponding to the dog-eared pages along an edge of the page is performed as mdicated by block 612
FIG. 33 is a flow diagram of steps performed in an embodiment of a pacing control subroutine The pacing control subroutine is executed in the step indicated by block 472 in FIG 25. As indicated by block 620, a step of determining a number of pages remaining in the book is performed As indicated by block 622, a step of determining a current reading pace of the user is performed
Based upon the number of pages remaining the book, a step of calculating one or more estimated completion times is performed as mdicated by block 624 A first estimated completion time can be calculated by dividing the number of words or pages remaining in the book by the current reading pace of the user. As a result, the first estimated completion time estimates how long it would take the user to complete the book at his or her current reading pace. A second estimated completion time is calculated by dividing the number of words or pages remaining in the book by a desired reading pace The second estimated completion time estimates how long it would take the user to complete the book at the desired reading pace
As mdicated by block 626, a step of displaying each estimated completion time is performed. Each estimated completion time can be displayed withm a corresponding sentence as illustrated in FIG 15.
As indicated by block 630, a step of calculating a necessary reading pace to satisfy a predetermined reading goal is performed. The predetermined reading goal can be in the form of a time duration withm which a user wishes to complete the pages remaining in the book Here, the necessary reading pace is calculated by dividing the number of pages remaining in the book by the time duration. A step of displaying the necessary reading pace to satisfy the reading goal is then performed as indicated by block 632 As mdicated by block 634, a step of displaying one or more graphical pacing controls s performed As illustrated m FIG 15, the one or more graphical pacing controls can include a graphical slider bar such as the graphical slider bar 294 used for modifying the desired reading pace, and a graphical switch such as the graphical switch 296 which is used for enabling and disabling an automatic pacing of the text using a pacing routine
As indicated by block 636, a user-mitiated event is received As indicated by block 640, if the user- initiated event is indicative of the user selecting the page back portion of the touchscreen 130, then execution of the pacing control subroutine is terminated Upon terminating the pacing control subroutine, the system control page is displayed on the touchscreen 130 If the user-initiated event is not indicative of the user selecting the page back portion, then a step of updating a pacing parameter based on the user-mitiated event is performed as indicated by block 642 Examples of the pacing parameter include the desired reading pace and the reading goal After updating the pacing parameter, flow of the subroutine is directed back to block 624 to recalculate an estimated completion t me and the necessary reading pace
FIG 34 is a flow diagram of steps performed in an embodiment of the font selection subroutine The font selection subroutine is executed in block 414 in the event loop of FIG 25.
As mdicated by block 650, a step of displaying a plurality of words using a corresponding plurality of combinations of different fonts and different sizes is performed More specifically, each word is displayed using a specific font and a specific size in accordance with the combination corresponding thereto Optionally, the step of displaying the plurality of words can include displaying a respective font name for each of the combinations As another option, the step of displaying the plurality of words can include displaying a single textual expression using the corresponding plurality of combinations .
As indicated by block 652, a step of receiving a user-initiated event indicative of the user selecting one word of the plurality of words is performed. This selection indicates which font/size combination is desired by the user.
As indicated by block 654, a step of updating a primary font parameter and a primary size parameter is performed. The primary font parameter and the primary size parameter are updated in accordance with the font/size combination selected by the user. As indicated by block 656, a step of automatically returning to displaying the title page is performed after receiving the user-initiated event selecting the one word. Thereafter, a subsequent step of displaying text of a book includes displaying the text using the primary font in a size at least the primary size.
FIG. 35 is a flow diagram of steps performed in an embodiment of the system control subroutine. The system control subroutine is executed in the step indicated by block 416 in the event loop of FIG. 25.
As indicated by block 660, a step of displaying a plurality of graphical controls for setting system parameters is performed. The system parameters can include display parameters such as a contrast parameter, a tint parameter, and a color parameter. The system parameters can also include a sound parameter.
As indicated by block 662, a step of receiving a user-initiated event is performed. If the user-initiated event is indicative of the user selecting the page back portion of the touchscreen, as indicated by block 664, then execution of the system control subroutine is completed. For other user-initiated events, a step of updating a system parameter is performed as indicated by block 668. Thus, there has been described herem a concept, as well as several embodiments including preferred embodiments of an electronic book and a method of selecting a primary font and a primarv size for displaying text therewith Because the various embodiments of the present invention allow a user to select a desired font/size combination for displaying textual information by viewing a plurality of words displayed in a plurality of font/size combinations and directly selecting the desired font/size combination therefrom, they provide a significant improvement in that the user can simultaneously select the font and the size using a single user-initiated event Further, the user can view how words appear in all of the font/size combinations to aid in selecting the desired font/size combmation
Additionally, the various embodiments of the present invention automatically return to a predetermined page in the book after receiving the font/size selection in order to reduce the number of user-initiated actions required for the selection
It will be apparent to those skilled in the art that the disclosed invention may be modified in numerous ways and may assume many embodiments other than the preferred form specifically set out and described above. Accordingly, it is intended by the appended claims to cover all modifications of the invention which fall withm the true spirit and scope of the invention. What is claimed is :

Claims

Claims
1 A method of selecting a primary font and a primary size for displaying text in an electronic book having a book-shaped housing, the primary font selected from a plurality of fonts, the primary size selected from a plurality of sizes, the method comprising the steps of displaying a plurality of words using a corresponding plurality of combinations of the plurality of fonts and the plurality of sizes; receiving a user-initiated event in which one word of the plurality of words is selected; updating the primary font to a font with which the one word is displayed; and updating the primary size to a size in which the one word is displayed
2 The method of claim 1 further comprising the steps of: prior to displaying the plurality of words, displaying a page of a book including a plurality of control options, the plurality of control options including a font selection option; and receiving a second user-initiated event in which the font selection option is selected; wherein the step of displaying the plurality of words is performed in response to receiving the second user- mitiated event
3 The method of claim 1 further comprising the step of displaying text of a book represented by machine- readable data contained in a machine-readable storage medium after updating the primary size, wherein the text is displayed in a size at least the primary size
4. The method of claim 1 wherein the step or displaying the plurality of words includes displaying a single textual expression using the correspondmg plurality of combinations
5 The method of claim 1 wherein the step of displaying the plurality of words mcludes displaying a respective font name for each of the plurality of combinations
6 An electronic book comprising: a book-shaped housing having a first housing member pivotably connected to a second housing member to open and close in a book-like manner; a processor housed by the book-shaped housing, the processor operative to read machine-readable data from a machine-readable storage medium installed in the electronic book, the machine-readable data representative of text from a book; and a touchscreen integrated in the book-shaped housing to be accessible when the book-shaped housing is opened in the book-like manner, the touchscreen in communication with the processor to select a primary font and a primary size for displaying the text from the book, wherein the primary font is selected from a plurality of fonts and the primary size is selected from a plurality of sizes, the touchscreen operative to display a plurality of words using a corresponding plurality of combinations of the plurality of fonts and the plurality of sizes and to receive a user-initiated event in which one word of the plurality of words is selected, wherein the primary font is updated to a font with which the one word is displayed, and wherein the primary size is updated to a size in which the one word is displayed
7 The electronic book of claim 6 wherein prior to displaying the plurality of words, the touchscreen displays a page of a book having a plurality of control options which mclude a font selection option and receives a second user-mitiated event in which the font selection option s selected, and wherein the touchscreen displays the plurality of words in response to receiving the second user-initiated event.
8. The electronic book of claim 6 wherein the touchscreen displays the text from the book after updating the primary size, wherein the text is displayed in a size at least the primary size.
9. The electronic book of claim 6 wherein the touchscreen displays the plurality of words by displaying a single textual expression using the corresponding plurality of combinations.
10. The electronic book of claim 6 wherein the touchscreen displays the plurality of words by displaying a respective font name for each of the plurality of combinations.
PCT/US1996/019609 1995-12-14 1996-12-11 Electronic book and method of selecting a primary font and a primary size for displaying text therewith WO1997022101A1 (en)

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US57240795A 1995-12-14 1995-12-14
US08/572,407 1995-12-14

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US6557173B1 (en) 1992-12-09 2003-04-29 Discovery Communications, Inc. Portable electronic book viewer
US7298851B1 (en) 1992-12-09 2007-11-20 Discovery Communications, Inc. Electronic book security and copyright protection system
US9053640B1 (en) 1993-12-02 2015-06-09 Adrea, LLC Interactive electronic book
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US9099097B2 (en) 1999-06-25 2015-08-04 Adrea, LLC Electronic book with voice emulation features

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