USRE45995E1 - Mobile electronic device having content transmission interface - Google Patents
Mobile electronic device having content transmission interface Download PDFInfo
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- USRE45995E1 USRE45995E1 US14/197,789 US201414197789A USRE45995E US RE45995 E1 USRE45995 E1 US RE45995E1 US 201414197789 A US201414197789 A US 201414197789A US RE45995 E USRE45995 E US RE45995E
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/907—Television signal recording using static stores, e.g. storage tubes or semiconductor memories
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4183—External card to be used in combination with the client device, e.g. for conditional access providing its own processing capabilities, e.g. external module for video decoding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4184—External card to be used in combination with the client device, e.g. for conditional access providing storage capabilities, e.g. memory stick
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
- H04N21/43632—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wired protocol, e.g. IEEE 1394
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- H04N5/4401—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/921—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by recording or reproducing the baseband signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/63—Generation or supply of power specially adapted for television receivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
Definitions
- Example embodiments of inventive concepts relate to mobile electronic devices, for example, to a mobile electronic device having a content transmission interface that may be connected directly to an external display device.
- HDMI High-Definition Multimedia Interface
- the HDMI is advantageous in that high-quality uncompressed data can be displayed securely on a display device based on the HDCP (High-bandwidth Digital Content Protection).
- the HDMI requires an HDMI cable in order to connect two devices to each other, thereby increasing installation costs and causing inconvenience to a user.
- Example embodiments of inventive concepts provide a mobile electronic device having a content transmission interface that can be connected directly to an external display device without having to use a cable.
- Example embodiments of inventive concepts also provides a mobile electronic device having a content transmission interface for displaying content supplied from an external source device on an external display device while saving power consumption.
- a mobile electronic device for reproducing digital content includes a body and a content transmission interface connector.
- the body is configured to store and process the digital content, where the digital content includes high-quality uncompressed video data.
- the content transmission interface connector includes a male connector configured to be connected directly to an external display device and configured to output the digital content to the external display device.
- the content transmission interface connector is at least one of a high-definition multimedia interface (HDMI) connector, a D-sub connector, and a digital visual interface (DVI) connector, and the male connector of the content transmission interface connector is inserted directly into a corresponding port of the external display device.
- HDMI high-definition multimedia interface
- DVI digital visual interface
- the body includes a memory device configured to store the digital content, a processor configured to process the digital content, where processing of the digital content includes decoding and reproducing of the digital content, and a power controller configured to control supply of power to the memory device and the processor.
- the mobile electronic device further includes a universal serial bus (USB) connector including a male connector configured to be connected to an external source device, wherein the mobile electronic device is configured to transmit data of the external source device to the external display device.
- USB universal serial bus
- the power controller is configured to supply power to the memory device and configured to not supply power to the processor, when the USB connector is connected to the external source device, and the power controller is configured to supply power to both to the memory device and the processor when the content transmission interface connector is only connected to the external display device.
- a mobile electronic device for reproducing digital content includes a memory device, a processor, a content transmission interface connector and a central processing unit (CPU).
- the memory device is configured to store digital content.
- the processor is configured to process the digital content, where the processing of the digital content includes decoding and reproducing of the digital content.
- the content transmission interface connector including a male connector is configured to be connected directly to an external display device to output the digital content decoded by the processor.
- the central processing unit (CPU) is configured to control an overall operation of the mobile electronic device.
- the mobile electronic device further includes a random access memory (RAM), a user interface unit configured to provide an interface between the mobile electronic device and a user, and a display unit for displaying the digital content.
- RAM random access memory
- a mobile electronic device for reproducing digital content includes a body and a content transmission interface connector.
- the body is configured to store and process digital content, where the digital content includes high-quality uncompressed video data.
- the content transmission interface connector is configured to detachably connect to an external display device and is configured to output the digital content to the external display device without a cable, wherein the content transmission interface connector is at least one of a high-definition multimedia interface (HDMI) connector, a D-sub connector, and a digital visual interface (DVI) connector.
- HDMI high-definition multimedia interface
- DVI digital visual interface
- FIG. 1A illustrates a manner in which a mobile electronic device having a content transmission interface is connected to a display device, according to example embodiments of inventive concepts
- FIG. 1B illustrates another manner in which a mobile electronic device having a content transmission interface is connected to a display device, according to example embodiments of inventive concepts
- FIG. 2A is a block diagram schematically illustrating an internal structure of a mobile electronic device having a content transmission interface, according to example embodiments of inventive concepts
- FIG. 2B is another block diagram schematically illustrating an internal structure of a mobile electronic device having a content transmission interface, according to example embodiments of inventive concepts
- FIG. 3 is a flowchart illustrating a method of operating the mobile electronic device of FIG. 2A , according to example embodiments of inventive concepts.
- FIG. 4 is a flowchart illustrating a method of operating the mobile electronic device of FIG. 2B , according to example embodiments of inventive concepts.
- Example embodiments of inventive concepts may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
- the size and relative sizes of layers and regions may be exaggerated for clarity.
- Like numbers refer to like elements throughout.
- first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first signal could be termed a second signal, and, similarly, a second signal could be termed a first signal without departing from the teachings of the disclosure.
- FIG. 1A illustrates a manner in which a mobile electronic device 100 having a content transmission interface is connected to a display device 200 according to example embodiments of inventive concepts.
- FIG. 1B illustrates another manner in which a mobile electronic device 100 ′ having a content transmission interface is connected to a display device 200 according to example embodiments of inventive concepts.
- the mobile electronic device 100 and the display device 200 may be connected directly to each other without an HDMI (High-Definition Multimedia Interface) cable.
- the mobile electronic device 100 includes a body 110 and an HDMI connector 120 .
- the HDMI connector 120 is a male connector. If the HDMI connector 120 that is a male connector is inserted directly into an HDMI port 210 that is a female port of the display device 200 , then the mobile electronic device 100 and the display device 200 are connected to each other.
- the HDMI connector 120 may be installed inside the body 110 in such a manner that the HDMI connector 120 may slide out of the body 110 or may be firmly attached to one end of the body 110 .
- the mobile electronic device 100 ′ may include not only an HDMI connector 120 which is a male connector but also a universal serial bus (USB) connector 130 which is also a male connector.
- the USB connector 130 and the HDMI connector 120 are respectively disposed at both ends of a body 110 ′ to be opposite to each other.
- the display device 200 may be connected to an external source device 300 having a USB interface, e.g., a computer, via the USB connector 130 and the HDMI connector 120 in order to receive content from the external source device 300 .
- the USB connector 130 may be installed inside the body 110 ′ in such a manner that the USB connector 130 may slide out of the body 110 ′ or may be firmly attached to one end of the body 110 ′.
- the USB connector 130 may be connected directly to the external source device 300 or may be connected to the external source device 300 via a USB cable (not shown).
- FIG. 1B illustrates that the HDMI connector 120 and the USB connector 130 are disposed at both ends of the body 110 ′, respectively, example embodiments of inventive concepts are not limited thereto and the locations of the HDMI connector 120 and the USB connector 130 may vary according to the type or structure of the mobile electronic device 100 ′ or according to convenience of a user.
- the mobile electronic device 100 or 100 ′ may be a device that can store and reproduce digital content, e.g., a mobile phone, a portable multimedia player (PMP), an MP3 player, a digital camera, or a personal digital assistant (PDA).
- PMP portable multimedia player
- PDA personal digital assistant
- Other various elements may further be included in the mobile electronic device 100 or 100 ′ according to the type of the mobile electronic device 100 or 100 ′.
- the mobile electronic device 100 or 100 ′ may further include an antenna, a transmitting/receiving processing unit, a controller, an input unit, a display unit, and a universal subscriber identity module (USIM) card.
- USB universal subscriber identity module
- the mobile electronic device 100 or 100 ′ may further include a camera module, a lens, and a flash.
- a camera module e.g., a camera module
- a lens e.g., a lens
- a flash e.g., a flash
- example embodiments of inventive concepts are not limited by the above description and the mobile electronic device 100 or 100 ′ may be embodied as various devices and other various elements may further be included therein.
- FIG. 2A is a block diagram schematically illustrating an internal structure of a mobile electronic device 100 according to an example embodiments of inventive concepts.
- the mobile electronic device 100 includes an HDMI connector 120 , a central processing unit (CPU) 10 , a multi-media processor (MMP) 20 , a random access memory (RAM) 30 , a user interface 40 , a memory device 60 , a power supply unit 70 , and a system bus 50 via which these elements are connected electrically to one another.
- CPU central processing unit
- MMP multi-media processor
- RAM random access memory
- the CPU 10 controls an overall operation of the mobile electronic device 100 .
- the RAM 30 stores information needed to operate the mobile electronic device 100 , e.g., operating system (OS) information, an application program, and cache data.
- OS operating system
- the memory device 60 stores data that includes digital content, such as audio/video content.
- the memory device 60 may be a flash memory device but is not limited thereto.
- the memory device 60 may include a memory unit and a memory controller that controls data to be written to or to be read from the memory unit.
- the MMP 20 unzips, decodes, and reproduces the digital content.
- the user interface 40 provides an interface between the mobile electronic device 100 and a user.
- the power supply unit 70 supplies power to the internal constitutional elements of the mobile electronic device 100 , e.g., the CPU 10 , the MMP 20 , the RAM 30 , the user interface 40 , and the memory device 60 .
- the power supply unit 70 may receive power from a battery (not shown) and supply the power to the internal constitutional elements.
- the HDMI connector 120 may be a male connector and may be connected directly to the HDMI port 210 of the external display device 200 of FIG. 1A .
- the mobile electronic device 100 may further include other devices, such as a display unit (not shown). Also, as described above, various other elements may further be included in the mobile electronic device 100 according to the type of the mobile electronic device 100 .
- FIG. 2B is another block diagram schematically illustrating an internal structure of a mobile electronic device 100 ′ according to example embodiments of inventive concepts.
- the mobile electronic device 100 ′ may be a multimedia drive.
- the mobile electronic device 100 ′ may not only act as a data storage device, such as a USB memory, but also reproduce and display content stored therein on an external display device (not shown).
- the mobile electronic device 100 ′ may include an HDMI connector 120 , a USB connector 130 , a memory device 140 , a processor 150 , and a power controller 160 .
- the memory device 140 may store data that includes digital content, such as audio/video content. As described above, the memory device 140 may be a flash memory device but is not limited thereto.
- the HDMI connector 120 may be a male connector and may be connected directly to the HDMI port 220 of the external display device 200 of FIG. 1B .
- the USB connector 130 may also be a male connector and may be connected to the external source device 300 of FIG. 1B .
- the processor 150 unzips, decodes, and reproduces the digital content.
- the processor 150 may be the multi-media processor (MMP).
- MMP multi-media processor
- the power controller 160 controls supply of power to the memory device 140 and the processor 150 . If the USB connector 130 is connected to an external source device, e.g., a computer, then the power controller 160 supplies power only to the memory device 140 and does not supply power to the processor 150 . If the HDMI connector 120 is connected to an external display device, e.g., a plasma display panel (PDP) television, then the power controller 160 supplies power to both the memory device 140 and the processor 150 .
- PDP plasma display panel
- the power controller 160 may, for example, receive power via a power line, e.g., a 5V power line, of the HDMI connector 120 or the USB connector 130 and supply the power to the memory device 140 and the processor 150 .
- a power line e.g., a 5V power line
- FIG. 3 is a flowchart illustrating a method of operating the mobile electronic device 100 of FIG. 2A , according to example embodiments of inventive concepts.
- FIG. 4 is a flowchart illustrating a method of operating the mobile electronic device 100 ′ of FIG. 2B , according to example embodiments of inventive concepts.
- the MMP 20 decodes and outputs predetermined content from among content stored in the memory device 60 at step S 320 .
- the display device 200 receives and displays the output content at step S 330 .
- the power controller 160 supplies power only to the memory device 140 and does not supply power to the processor 150 at step S 420 .
- the memory device 140 receives digital content from the external source device 300 via the USB connector 130 and then stores the digital content at step S 430 .
- the power controller 160 supplies power to both the memory device 140 and the processor 150 at step S 450 .
- the processor 150 decodes and output predetermined content from among the content stored in the memory device 140 at step S 460 .
- the display device 200 receives the content from the processor 150 and displays the content at step S 470 .
- the mobile electronic device 100 or 100 ′ may include a D-sub connector or a digital visual interface (DVI) connector that is a male connector to be connected directly to an external display device according to the type or characteristics of the mobile electronic device 100 or 100 ′.
- DVI digital visual interface
- Example embodiments of inventive concepts may be embodied in hardware, software, firmware or combination thereof.
Abstract
The mobile electronic device for reproducing digital content includes a body and a content transmission interface connector. The body is configured to store and process the digital content, where the digital content includes high-quality uncompressed video data. The content transmission interface connector includes a male connector configured to be connected directly to an external display device and configured to output the digital content to the external display device.
Description
This application is a reissue application for U.S. Pat. No. 8,539,258 issued on Sep. 17, 2013 on U.S. Ser. No. 12/662,570 filed Apr. 23, 2010 and claims the benefit of Korean Patent Application No. 10-2009-0036068, filed on Apr. 24, 2009, in the Korean Intellectual Property Office, the disclosure of each of which is incorporated herein in its entirety by reference.
1. Field
Example embodiments of inventive concepts relate to mobile electronic devices, for example, to a mobile electronic device having a content transmission interface that may be connected directly to an external display device.
2. Description of the Related Art
As digital multimedia content has come into widespread use, various types of mobile electronic devices, e.g., mobile phones, portable multimedia players (PMPs), MP3 players, and digital cameras, which are capable of reproducing digital multimedia content have become widely spread. However, such mobile electronic devices include relatively small-sized displays, which may inconvenience users watching content on such mobile electronic devices. Accordingly, various content transmission interface methods have been introduced in order to connect a mobile electronic device to an external display device, e.g., a monitor or a television (TV), so that a user can watch content on a relatively larger display device indoors. The HDMI (High-Definition Multimedia Interface) is a representative content transmission interface method. The HDMI is advantageous in that high-quality uncompressed data can be displayed securely on a display device based on the HDCP (High-bandwidth Digital Content Protection). However, the HDMI requires an HDMI cable in order to connect two devices to each other, thereby increasing installation costs and causing inconvenience to a user.
Example embodiments of inventive concepts provide a mobile electronic device having a content transmission interface that can be connected directly to an external display device without having to use a cable.
Example embodiments of inventive concepts also provides a mobile electronic device having a content transmission interface for displaying content supplied from an external source device on an external display device while saving power consumption.
According to example embodiments of inventive concepts, a mobile electronic device for reproducing digital content includes a body and a content transmission interface connector. The body is configured to store and process the digital content, where the digital content includes high-quality uncompressed video data. The content transmission interface connector includes a male connector configured to be connected directly to an external display device and configured to output the digital content to the external display device.
In example embodiments of inventive concepts, the content transmission interface connector is at least one of a high-definition multimedia interface (HDMI) connector, a D-sub connector, and a digital visual interface (DVI) connector, and the male connector of the content transmission interface connector is inserted directly into a corresponding port of the external display device.
In example embodiments of inventive concepts, the body includes a memory device configured to store the digital content, a processor configured to process the digital content, where processing of the digital content includes decoding and reproducing of the digital content, and a power controller configured to control supply of power to the memory device and the processor.
In example embodiments of inventive concepts, the mobile electronic device further includes a universal serial bus (USB) connector including a male connector configured to be connected to an external source device, wherein the mobile electronic device is configured to transmit data of the external source device to the external display device.
In example embodiments of inventive concepts, the power controller is configured to supply power to the memory device and configured to not supply power to the processor, when the USB connector is connected to the external source device, and the power controller is configured to supply power to both to the memory device and the processor when the content transmission interface connector is only connected to the external display device.
According to example embodiments of inventive concepts, a mobile electronic device for reproducing digital content includes a memory device, a processor, a content transmission interface connector and a central processing unit (CPU). The memory device is configured to store digital content. The processor is configured to process the digital content, where the processing of the digital content includes decoding and reproducing of the digital content. The content transmission interface connector including a male connector is configured to be connected directly to an external display device to output the digital content decoded by the processor. The central processing unit (CPU) is configured to control an overall operation of the mobile electronic device.
In example embodiments of inventive concepts, the mobile electronic device further includes a random access memory (RAM), a user interface unit configured to provide an interface between the mobile electronic device and a user, and a display unit for displaying the digital content.
According to example embodiments of inventive concepts, a mobile electronic device for reproducing digital content includes a body and a content transmission interface connector. The body is configured to store and process digital content, where the digital content includes high-quality uncompressed video data. The content transmission interface connector is configured to detachably connect to an external display device and is configured to output the digital content to the external display device without a cable, wherein the content transmission interface connector is at least one of a high-definition multimedia interface (HDMI) connector, a D-sub connector, and a digital visual interface (DVI) connector.
Example embodiments of inventive concepts will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings in which:
Example embodiments of inventive concepts may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. Like numbers refer to like elements throughout.
It will be understood that when an element is referred to as being “connected” or “coupled” to another element, it can be directly connected or coupled to the other element or intervening elements may be present. In contrast, when an element is referred to as being “directly connected” or “directly coupled” to another element, there are no intervening elements present. As used herein, the term “and/or” includes any and all combinations of one or more of the associated listed items and may be abbreviated as “/”.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first signal could be termed a second signal, and, similarly, a second signal could be termed a first signal without departing from the teachings of the disclosure.
Spatially relative terms, such as “beneath,” “below,” “lower,” “above,” “upper,” and the like may be used herein for ease of description to describe the relationship of one component and/or feature to another component and/or feature, or other component(s) and/or feature(s), as illustrated in the drawings. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The figures are intended to depict example embodiments and should not be interpreted to limit the intended scope of the claims. The accompanying figures are not to be considered as drawn to scale unless explicitly noted.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms “a”, “an” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms “comprises” and/or “comprising,” or “includes” and/or “including” when used in this specification, specify the presence of stated features, regions, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, regions, integers, steps, operations, elements, components, and/or groups thereof.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and/or the present application, and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Referring to FIG. 1A , the mobile electronic device 100 and the display device 200 may be connected directly to each other without an HDMI (High-Definition Multimedia Interface) cable. The mobile electronic device 100 includes a body 110 and an HDMI connector 120. The HDMI connector 120 is a male connector. If the HDMI connector 120 that is a male connector is inserted directly into an HDMI port 210 that is a female port of the display device 200, then the mobile electronic device 100 and the display device 200 are connected to each other. The HDMI connector 120 may be installed inside the body 110 in such a manner that the HDMI connector 120 may slide out of the body 110 or may be firmly attached to one end of the body 110.
Referring to FIG. 1B , the mobile electronic device 100′ may include not only an HDMI connector 120 which is a male connector but also a universal serial bus (USB) connector 130 which is also a male connector. For example, the USB connector 130 and the HDMI connector 120 are respectively disposed at both ends of a body 110′ to be opposite to each other. Thus, the display device 200 may be connected to an external source device 300 having a USB interface, e.g., a computer, via the USB connector 130 and the HDMI connector 120 in order to receive content from the external source device 300. The USB connector 130 may be installed inside the body 110′ in such a manner that the USB connector 130 may slide out of the body 110′ or may be firmly attached to one end of the body 110′. The USB connector 130 may be connected directly to the external source device 300 or may be connected to the external source device 300 via a USB cable (not shown).
Although FIG. 1B illustrates that the HDMI connector 120 and the USB connector 130 are disposed at both ends of the body 110′, respectively, example embodiments of inventive concepts are not limited thereto and the locations of the HDMI connector 120 and the USB connector 130 may vary according to the type or structure of the mobile electronic device 100′ or according to convenience of a user.
The mobile electronic device 100 or 100′ may be a device that can store and reproduce digital content, e.g., a mobile phone, a portable multimedia player (PMP), an MP3 player, a digital camera, or a personal digital assistant (PDA). Other various elements may further be included in the mobile electronic device 100 or 100′ according to the type of the mobile electronic device 100 or 100′. For example, if the mobile electronic device 100 or 100′ is a mobile phone, then the mobile electronic device 100 or 100′ may further include an antenna, a transmitting/receiving processing unit, a controller, an input unit, a display unit, and a universal subscriber identity module (USIM) card. Alternatively, if the mobile electronic device 100 or 100′ is a digital camera, then the mobile electronic device 100 or 100′ may further include a camera module, a lens, and a flash. However, example embodiments of inventive concepts are not limited by the above description and the mobile electronic device 100 or 100′ may be embodied as various devices and other various elements may further be included therein.
The CPU 10 controls an overall operation of the mobile electronic device 100. The RAM 30 stores information needed to operate the mobile electronic device 100, e.g., operating system (OS) information, an application program, and cache data.
The memory device 60 stores data that includes digital content, such as audio/video content. The memory device 60 may be a flash memory device but is not limited thereto. Although not shown in the drawings, the memory device 60 may include a memory unit and a memory controller that controls data to be written to or to be read from the memory unit.
For example, the MMP 20 unzips, decodes, and reproduces the digital content.
The user interface 40 provides an interface between the mobile electronic device 100 and a user. The power supply unit 70 supplies power to the internal constitutional elements of the mobile electronic device 100, e.g., the CPU 10, the MMP 20, the RAM 30, the user interface 40, and the memory device 60. The power supply unit 70 may receive power from a battery (not shown) and supply the power to the internal constitutional elements.
The HDMI connector 120 may be a male connector and may be connected directly to the HDMI port 210 of the external display device 200 of FIG. 1A .
The mobile electronic device 100 may further include other devices, such as a display unit (not shown). Also, as described above, various other elements may further be included in the mobile electronic device 100 according to the type of the mobile electronic device 100.
To this end, the mobile electronic device 100′ may include an HDMI connector 120, a USB connector 130, a memory device 140, a processor 150, and a power controller 160.
Similar to the memory device 60 illustrated in FIG. 2A , the memory device 140 may store data that includes digital content, such as audio/video content. As described above, the memory device 140 may be a flash memory device but is not limited thereto.
The HDMI connector 120 may be a male connector and may be connected directly to the HDMI port 220 of the external display device 200 of FIG. 1B . The USB connector 130 may also be a male connector and may be connected to the external source device 300 of FIG. 1B .
The processor 150 unzips, decodes, and reproduces the digital content. The processor 150 may be the multi-media processor (MMP).
The power controller 160 controls supply of power to the memory device 140 and the processor 150. If the USB connector 130 is connected to an external source device, e.g., a computer, then the power controller 160 supplies power only to the memory device 140 and does not supply power to the processor 150. If the HDMI connector 120 is connected to an external display device, e.g., a plasma display panel (PDP) television, then the power controller 160 supplies power to both the memory device 140 and the processor 150.
The power controller 160 may, for example, receive power via a power line, e.g., a 5V power line, of the HDMI connector 120 or the USB connector 130 and supply the power to the memory device 140 and the processor 150.
Referring to FIGS. 1A, 2A, and 3 , if the mobile electronic device 100 is connected directly to the display device 200 via the HDMI connector 120 at step S310, then the MMP 20 decodes and outputs predetermined content from among content stored in the memory device 60 at step S320. Next, the display device 200 receives and displays the output content at step S330.
Referring to FIGS. 1B, 2B, and 4 , if the mobile electronic device 100′ is connected to the external source device 300 via the USB connector 130 at step S410, then the power controller 160 supplies power only to the memory device 140 and does not supply power to the processor 150 at step S420. Next, the memory device 140 receives digital content from the external source device 300 via the USB connector 130 and then stores the digital content at step S430.
Next, if the mobile electronic device 100′ is connected to the display device 200 via the HDMI connector 120 at step S440, then the power controller 160 supplies power to both the memory device 140 and the processor 150 at step S450. Next, the processor 150 decodes and output predetermined content from among the content stored in the memory device 140 at step S460.
Thereafter, the display device 200 receives the content from the processor 150 and displays the content at step S470.
Example embodiments of inventive concepts are not limited by the HDMI standards. For example, the mobile electronic device 100 or 100′ may include a D-sub connector or a digital visual interface (DVI) connector that is a male connector to be connected directly to an external display device according to the type or characteristics of the mobile electronic device 100 or 100′.
Example embodiments of inventive concepts may be embodied in hardware, software, firmware or combination thereof.
While inventive concepts have been particularly shown and described with reference to example embodiments thereof, it will be understood that various changes in form and details may be made therein without departing from the spirit and scope of the following claims.
Claims (29)
1. A mobile electronic device for reproducing digital content, the mobile electronic device comprising:
a body configured to store and process the digital content, the digital content including high-quality uncompressed video data, and the body including,
memory device,
a processor, and
a power controller configured to selectively control supply of power to the memory device and the processor;
a content transmission interface connector including a first male connector configured to be connected directly to an external display device and configured to output the digital content to the external display device; and
a universal serial bus (USB) connector including a second male connector configured to be connected to an external source device, wherein,
the mobile electronic device is configured to transmit data of the external source device to the external display device,
the content transmission interface connector is at least one of a high-definition multimedia interface (HDMI) connector, a D-sub connector, and a digital visual interface (DVI) connector,
the first male connector is configured to be inserted directly into a corresponding port of the external display device,
the memory device is configured to store the digital content,
the processor is configured to process the digital content, where processing of the digital content includes decoding and reproducing of the digital content, and
the power controller is configured to supply power to the memory device and configured to not supply power to the processor if the USB connector is connected to the external source device, and the power controller is configured to supply power to both to the memory device and the processor if the mobile electronic device is connected to only the external display device.
2. The mobile electronic device of claim 1 , wherein the content transmission interface connector is the high-definition multimedia interface (HDMI) connector.
3. A mobile electronic device for reproducing digital content, the mobile electronic device comprising:
a memory device configured to store the digital content;
a processor configured to process the digital content, the processing of the digital content including decoding and reproducing of the digital content;
a content transmission interface connector including a first male connector configured to be connected directly to an external display device to output the digital content decoded by the processor;
a power controller configured to selectively control supply of power to the memory device and the processor;
a central processing unit (CPU) configured to control an overall operation of the mobile electronic device; and
a universal serial bus (USB) connector including a second male connector configured to be connected to an external source device to receive the digital content, wherein
the mobile electronic device is configured to transmit data of the external source device to the external display device,
the power controller is configured to supply power to the memory device and configured to not supply power to the processor if the USB connector is connected to the external source device, and the power controller is configured to supply power to both to the memory device and the processor if the mobile electronic device is connected to only the external display device.
4. The mobile electronic device of claim 3 , further comprising:
a random access memory (RAM);
a user interface unit configured to provide an interface between the mobile electronic device and a user; and
a display unit for displaying the digital content.
5. The mobile electronic device of claim 3 , wherein,
the content transmission interface connector is at least one of a high-definition multimedia interface (HDMI) connector, a D-sub connector, and a digital visual interface (DVI) connector, and
the first male connector is configured to be inserted directly into a corresponding port of the external display device.
6. A mobile electronic device for reproducing digital content, the mobile electronic device comprising:
a body configured to store and process the digital content, the digital content including high-quality uncompressed video data, and the body including,
a memory device,
a processor, and
a power controller configured to selectively control supply of power to the memory device and the processor;
a content transmission interface connector configured to detachably connect to an external display device and configured to output the digital content to the external display device without a cable, the content transmission interface connector being at least one of a high-definition multimedia interface (HDMI) connector, a D-sub connector, and a digital visual interface (DVI) connector; and
a universal serial bus (USB) connector including a first male connector configured to be connected to an external source device, wherein,
the mobile electronic device is configured to transmit data of the external source device to the external display device,
the content transmission interface connector includes a second male connector configured to be inserted directly into a corresponding port of the external display device,
the memory device is configured to store the digital content,
the processor is configured to process the digital content, processing of the digital content including decoding and reproducing of the digital content, and
the power controller is configured to supply power to the memory device and configured to not supply power to the processor if the USB connector is connected to the external source device, and the power controller is configured to supply power to both to the memory device and the processor if the mobile electronic device is only connected to the external display device.
7. A mobile electronic device comprising:
a high definition multimedia interface connector configured to be connected to an external display device;
a universal serial bus connector configured to be connected to an external source device;
a power controller configured to supply power to the mobile electronic device, the power controller being configured to receive the power from a battery or to receive the power via a power line of the high definition multimedia interface connector or via a power line of the universal serial bus connector;
a controller configured to control an overall operation of the mobile electronic device;
a multimedia processor configured to unzip, decode and reproduce contents;
a random access memory configured to store information to operate the mobile electronic device;
a user interface configured to provide an interface between the mobile electronic device and a user; and
a memory device configured to store data including the contents,
wherein if the universal serial bus connector is connected to the external source device, the power controller does not supply the power to the controller while supplying power to the memory device, and if the high definition multimedia interface connector is connected to only the external display device, the power controller supplies the power to the controller and the memory device.
8. A mobile electronic device comprising:
a high definition multimedia interface connector configured to be connected to a display device;
a universal serial bus connector configured to be connected to a source device;
a power controller configured to supply power to the mobile electronic device, the power controller being configured to receive the power from a battery or to receive the power via a power line of the high definition multimedia interface connector or via a power line of the universal serial bus connector;
a controller configured to control an overall operation of the mobile electronic device;
a multimedia processor configured to unzip, decode and reproduce contents;
a random access memory configured to store information to operate the mobile electronic device;
a user interface configured to provide an interface between the mobile electronic device and a user; and
a memory device configured to store data including the contents, wherein if the universal serial bus connector is connected to the source device, the power controller supplies the power only to the memory device and does not supply the power to the controller.
9. The mobile electronic device of claim 8, wherein the high definition multimedia interface connector is configured to be directly connected to the display device without a high definition multimedia interface cable.
10. The mobile electronic device of claim 8, wherein the universal serial bus connector is configured to be either directly connected to the source device without a universal serial bus cable or connected to the source device via the universal serial bus cable.
11. The mobile electronic device of claim 8, wherein each of the high definition multimedia interface connector and the universal serial bus connector is a male connector.
12. The mobile electronic device of claim 8, further comprising a display unit configured to display the contents.
13. The mobile electronic device of claim 8, wherein the memory device is a flash memory device.
14. The mobile electronic device of claim 8, wherein if the high definition multimedia interface connector is connected to the display device, the power controller supplies the power to both the memory device and the controller.
15. The mobile electronic device of claim 8, wherein if the high definition multimedia interface connector is connected to the display device, the power controller supplies the power to the controller.
16. The mobile electronic device of claim 8, wherein the contents include video data and audio data.
17. The mobile electronic device of claim 8, wherein the contents are digital contents.
18. The mobile electronic device of claim 8, wherein the display device is an external display device, and the source device is an external source device.
19. A mobile electronic device comprising:
a high definition multimedia interface (HDMI) connector configured to be connected to a display device;
a universal serial bus (USB) connector configured to be connected to a source device;
a controller;
a memory device; and
a power controller configured to receive power from a battery or to receive the power via a power line of the high definition multimedia interface connector or via a power line of the universal serial bus connector,
wherein the power controller is configured to selectively supply the power to the memory device and the controller such that the power controller is configured to supply power to the memory device and configured to not supply power to the controller if the USB connector is connected to the source device, and the power controller is configured to supply power to both the memory device and the controller if the mobile electronic device is connected to only the display device.
20. The mobile electronic device of claim 19, further comprising an antenna, a transmitting/receiving processing unit, an input unit, a display unit and a universal subscriber identity module card.
21. The mobile electronic device of claim 19, further comprising a camera module, a lens and a flash.
22. The mobile electronic device of claim 19, further comprising an antenna, a transmitting/receiving processing unit, an input unit, a display unit, a universal subscriber identity module card, a camera module, a lens and a flash.
23. A mobile electronic device comprising:
an output interface connector configured to be connected to a first external device;
an input interface connector configured to be connected to a second external device;
a power controller configured to receive power from a battery or to receive the power via a power line of the output interface connector or via a power line of the input interface connector;
a memory device; and
a controller configured to control an overall operation of the mobile electronic device,
wherein the power controller is configured to selectively supply the power to the memory device and the controller such that the power controller is configured to supply power to the memory device and configured to not supply power to the controller if the input interface connector is connected to the second external device, and the power controller is configured to supply power to both the memory device and the controller if the mobile electronic device is connected to only the first external device.
24. A mobile electronic device comprising:
an output interface connector configured to be connected to a first device;
an input interface connector configured to be connected to a second device;
a controller configured to control an overall operation of the mobile electronic device;
a memory device configured to store contents; and
a power controller configured to receive power from a battery or to receive the power via the first device or via the second device, wherein the power controller is configured to supply power to the memory device and configured to not supply power to the controller if the input interface connector is connected to the second device, and the power controller is configured to supply power to both the memory device and the controller if the mobile electronic device is connected to only the first device.
25. The mobile electronic device of claim 24, wherein the output interface connector is a high definition multimedia interface connector, a D-sub connector or a digital visual interface connector.
26. A method of operating a mobile electronic device comprising:
connecting, via a data transfer interface, the mobile electronic device to a first device;
supplying power to a memory device of the mobile electronic device and not to a controller of the mobile electronic device while the mobile electronic device is connected to the first device;
receiving contents from the first device through the data transfer interface;
storing the received contents into the memory device;
connecting, via a digital audio/video interface, the mobile electronic device to a second device;
supplying the power to the memory device and the controller while the mobile electronic device is connected to only the second device; and
outputting the stored contents to the second device through the digital audio/video interface.
27. A system for displaying contents comprising:
a display device configured to display contents;
a source device configured to supply the contents; and
a mobile electronic device including:
a high definition multimedia interface connector configured to be connected to the display device;
a universal serial bus connector configured to be connected to the source device;
a memory device configured to store contents; and
a power controller configured to receive power from a battery, to receive power via a power line of the high definition multimedia interface connector, or to receive power via a power line of the universal serial bus connector,
wherein if the universal serial bus connector is connected to the source device, the power controller supplies the power to the memory device and does not supply the power to the controller, and
if the high definition multimedia interface connector is connected to only the display device, the power controller supplies the power to the controller and the memory device.
28. The system of claim 27, wherein the each of the high definition multimedia interface connector and the universal serial bus connector is a male connector,
the display device includes a female port to which the high definition multimedia interface connector is inserted, and
the source device includes a female port to which the universal serial bus connector is inserted.
29. The system of claim 27, wherein the universal serial bus connector is indirectly connected to the source device.
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US14/197,789 USRE45995E1 (en) | 2009-04-24 | 2014-03-05 | Mobile electronic device having content transmission interface |
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KR1020090036068A KR101571767B1 (en) | 2009-04-24 | 2009-04-24 | Mobile Electronic Device having a contents transferring interface |
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US12/662,570 US8539258B2 (en) | 2009-04-24 | 2010-04-23 | Mobile electronic device having content transmission interface |
US14/197,789 USRE45995E1 (en) | 2009-04-24 | 2014-03-05 | Mobile electronic device having content transmission interface |
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US20120099832A1 (en) * | 2010-10-20 | 2012-04-26 | Stmicroelectronics Pvt. Ltd. | Portable video player |
US10251293B2 (en) * | 2014-04-03 | 2019-04-02 | Kingston Digital, Inc. | Smart USB modules and method of making |
FR3075542B1 (en) * | 2017-12-19 | 2020-08-28 | Electricite De France | DIFFUSION KEY ON SCREEN |
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US8539258B2 (en) | 2013-09-17 |
KR101571767B1 (en) | 2015-11-25 |
US20100271556A1 (en) | 2010-10-28 |
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