DE3235752A1 - Multifunction key - Google Patents

Multifunction key

Info

Publication number
DE3235752A1
DE3235752A1 DE19823235752 DE3235752A DE3235752A1 DE 3235752 A1 DE3235752 A1 DE 3235752A1 DE 19823235752 DE19823235752 DE 19823235752 DE 3235752 A DE3235752 A DE 3235752A DE 3235752 A1 DE3235752 A1 DE 3235752A1
Authority
DE
Germany
Prior art keywords
light
light source
filter
filters
filter device
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
DE19823235752
Other languages
German (de)
Other versions
DE3235752C2 (en
Inventor
Hans-Hellmuth Dr Cuno
Guenter Waitl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to DE19823235752 priority Critical patent/DE3235752A1/en
Publication of DE3235752A1 publication Critical patent/DE3235752A1/en
Application granted granted Critical
Publication of DE3235752C2 publication Critical patent/DE3235752C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/02—Controlling members for hand actuation by linear movement, e.g. push buttons
    • B60K35/10—
    • B60K35/29—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/10—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards
    • B60Q3/14—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards lighting through the surface to be illuminated
    • 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
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • 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
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
    • G06F3/0238—Programmable keyboards
    • B60K2360/188—
    • B60K2360/33—
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/002—Legends replaceable; adaptable
    • H01H2219/014—LED
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/028—Printed information
    • H01H2219/034—Coloured areas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/036—Light emitting elements
    • H01H2219/039—Selective or different modes of illumination
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H01H9/181—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks using a programmable display, e.g. LED or LCD
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H01H9/182—Illumination of the symbols or distinguishing marks

Abstract

The invention relates to a multifunction key with a two-colour light-emitting diode (1), which is able for example to emit red light and green light. By means of colour filter foils (3, 4), two different luminous symbols can be displayed in the same place, dependent on the electric control of the light-emitting diode (1), via a transparent surface (6) of the key cap (5). <IMAGE>

Description

MehrfunktionstasteMultifunction button

Die Erfindung betrifft eine Nehrfunktionstaste mit einer Lichtquelle, einer Filtereinrichtung, die Licht von der Lichtquelle in einem geometrisch begrenzten Bereich durchläßt, um ein Leuchtsymb;oI; u£- bilden, und einer transparenten Abdeckung auf der Filtereinrichtung.The invention relates to a multi-function key with a light source, a filter device, the light from the light source in a geometrically limited Area lets through to a light symbol; oI; u £ - form, and a transparent cover on the filter device.

Tasten, in die eine Lichtquelle eingebaut ist, welche mittels einer Filtereinrichtung Licht in einem geometrisch begrenzten Bereich nach außen abstrahlt, sind seit langer Zeit üblich. Bei eingeschalteter Taste gibt die Lichtquelle beispielsweise Licht ab, während sie im ausgeschalteten Zustand der Taste. nicht leuchtet, so daß einem Bediener durch das Leuchtsymbol klar angezeigt werden kann, ob die Taste im eing@schzititen oder ausgeschalteten Zustand ist.Keys in which a light source is built in, which by means of a Filter device emits light to the outside in a geometrically limited area, have been common for a long time. When the button is switched on, the light source is for example Lights off while the button is off. does not light up, so that the illuminated symbol can clearly indicate to an operator whether the key is in the is switched on or switched off.

In zahlreichen Anwendungsfällen haben Tasten aber mehr als zwei Schaltzustände, de dg-rt-n jeweils ein Leuchtsymbol angezeigt werden sollten. Dabei ist es wünschenswert, daß die optische Anzeige der verschiedenen Schaltzustände durch entsprechende Leuchtsymbble geometrisch am selben Ort erfolgt, um so Platz einzusparen. Auch ist es für einen Bediener einfacher, seine Aufmerksamkeit nur auf eine Stelle zu lenken als die Umschaltung von Leuchtsymbolen an verschiedenen Orten zu überwachen.In numerous applications, however, buttons have more than two switching states, de dg-rt-n a light symbol should be displayed. It is desirable to that the visual display of the various switching states by means of corresponding luminous symbols geometrically at the same place in order to save space. It is also for one It is easier for the operator to focus his attention on just one point than to switch of light symbols in different places to monitor.

Es ist daher Aufgabe der Erfindung, eine einfach aufgebaute Mehrfunktionstaste anzugeben, die mit verschiedenen Leuchtsymbolen an der gleichen Stelle ausgerüstet ist.It is therefore the object of the invention to provide a multi-function key with a simple structure indicate that are equipped with different light symbols in the same place is.

Diese Aufgabe wird bei einer Mehrfunktionstaste der eingangs genannten Art erfindungsgemäß dadurch gelöst, daß die Lichtquelle wenigstens Licht einer ersten und einer zweiten Art abzugeben vermag, und daß die Filtereinrichtung aus zwei Filtern besteht, von denen das erste Filter Licht der ersten bzw. zweiten Art durchläßt bzw. geometrisch begrenzt und von denen das zweite Filter Licht der ersten bzw. zweiten Art geometrisch begrenzt bzw.In the case of a multi-function key, this task is the one mentioned at the beginning Type solved according to the invention in that the light source has at least a first light and a second type can deliver, and that the filter device consists of two filters consists, of which the first filter allows light of the first or second type to pass through or geometrically limited and of which the second filter is light of the first or second type geometrically limited or

durchläßt.lets through.

Für das Licht der ersten und der zweiten Art kann Licht unterschiedlicher Farben, beispielsweise Rot-Licht und Grün-Licht, oder Licht verwendet werden, das in zwei verschiedenen Richtungen polarisiert ist. Im ersten Fall werden für die Filtereinrichtung zwei Farbfilter, beispielsweise eine grüne Filterfolie und eine rote Filterfolie, und im zweiten Fall zwei Polarisationsfilter verwendet. Als Lichtquelle kommt im ersten Fall eine Zwei-Farben-Leuchtdiode in Betracht, die abhängig von ihrer elektrischen Ansteuerung Rot-Licht oder Grün-Licht abzugeben vermag. Dadurch ist es möglich, zwei völlig verschiedene Leuchtsymbole an der gleichen Stelle zu erzeugen, wobei das eine Leuchtsymbol durch Rot-Licht und das andere Leuchtsymbol durch Grün-Licht angezeigt wird.For the light of the first and the second kind, light can be more different Colors, for example red-light and green-light, or light can be used that is polarized in two different directions. In the first case, for the Filter device two color filters, for example a green filter sheet and one red filter foil, and in the second case two polarizing filters are used. As a light source In the first case, a two-color light-emitting diode comes into consideration, which depends on their electrical control is able to emit red light or green light. Through this it is possible to have two completely different light symbols in the same place generate, one light symbol by red light and the other light symbol is indicated by a green light.

Nachfolgend wird die Erfindung an Hand der Zeichnung näher erläutert, in deren einziger Figur eine Mehrfunktionstaste in Explosionsdarstellung gezeigt ist: Eine Zwei-Farben-Leuchtdiode 1 sendet Rot-Licht oder Grün-Licht abhängig von ihrer elektrischen Ansteuerung über eine leuchtende Fläche 2 ab. Auf dieser leuchtenden Fläche 2 liegt eine erste Filterfolie 3, die beispielsweise Grün-Licht lediglich in einem begrenzten Bereich das Symbol 'tC" durchläßt und sonst sperrt. Rot-Licht wird von dieser Filterfolie 3 unbeschränkt durchgelassen.The invention is explained in more detail below with reference to the drawing, in the single figure of which a multifunction key is shown in an exploded view is: A two-color light emitting diode 1 sends red light or green light depending on their electrical control via a luminous surface 2. On this shining Surface 2 is a first filter film 3, which, for example, only green light allows the symbol 'tC "to pass in a limited area and otherwise blocks it. Red light is allowed to pass through this filter film 3 without restriction.

Auf die Filterfolie 3 folgt eine weitere Filterfolie 4, die Rot-Licht lediglich in einem begrenzten Bereich das Symbol 3 durchläßt und sonst sperrt. Grün-Licht wird von dieser weiteren Filterfolie 4 unverändert durchgelassen.The filter film 3 is followed by a further filter film 4, the red light the symbol 3 only lets through in a limited area and otherwise blocks. Green light is let through unchanged by this further filter film 4.

Zum Schutz der Filterfolien 3 und 4 und der Zwei-Farben-Leuchtdiode 1 dient eine Tastenkappe 5 mit einer transparenten Oberfläche 6.To protect the filter foils 3 and 4 and the two-color light-emitting diode 1 is a key cap 5 with a transparent surface 6.

Mit der dargestellten Mehrfunktionstaste ist es möglich, das Symbol C und das Symbol "3" in Grün-Licht bzw. in Rot-Licht abhängig von der elektrischen Ansteuerung der Zwei-Farben-Leuchtdiode 1 darzustellen.With the multifunction key shown, it is possible to use the symbol C and the symbol "3" in green light or in red light depending on the electrical Control of the two-color light-emitting diode 1 to represent.

Wenn anstelle der Farb-Filterfolien Polarisationsfolien verwendet werden, dann sind die Symbole auf senkrecht zueinander polarisierten Polarisationsfolien angeordnet, die von zwei entsprechend polarisierten, umschaltbaren Lichtquellen durchleuchtet werden.If polarizing foils are used instead of the color filter foils then the symbols are on polarizing films that are polarized perpendicular to one another arranged by two appropriately polarized, switchable light sources be x-rayed.

3 Patentansprüche 1 Figur3 claims 1 figure

Claims (3)

Patentansprüche 1. Nehrfunktionstaste mit einer Lichtquelle, einer Filtereinrichtung, die Licht von der Lichtquelle in einem geometrisch begrenzten Bereich durchläßt, um ein leuchtsymbol zu bilden, und einer transparenten Abdeckung auf der Filtereinrichtung, d a d u r c h g e k e n n -z e i c h n e t , daß die Lichtquelle wenigstens Licht einer ersten und einer zweiten Art abzugeben vermag, und daß die Filtereinrichtung aus zwei Filtern besteht, von denen das erste Filter Licht der ersten bzw. zweiten Art durchläßt bzw. geometrisch begrenzt und von denen das zweite Filter Licht der ersten bzw. zweiten Art geometrisch begrenzt bzw. durchläßt.Claims 1. Multiple function key with a light source, a Filter device, the light from the light source in a geometrically limited Area lets through to form a luminous symbol and a transparent cover on the filter device, that the Light source capable of emitting at least light of a first and a second type, and that the filter device consists of two filters, of which the first filter Light of the first or second type transmits or geometrically limited and of which the second filter geometrically limits or transmits light of the first or second type. 2. Mehrfunktionstaste nach Anspruch 1, d a d u r c h -g e k e n n z e i c h n e t , daß die Lichtquelle Licht abgibt, das in zwei verschiedenen Richtungen polarisiert ist, und daß die Filter Polarisationsfilter sind.2. Multi-function key according to claim 1, d a d u r c h -g e k e n n shows that the light source emits light in two different directions is polarized and that the filters are polarizing filters. 3. Mehrfunktionstaste nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t , daß die Lichtquelle Licht unterschiedlicher Farben abgibt, und daß die Filter Farbfilter sind.3. Multi-function key according to claim 1, d a d u r c h g e k e n n z e i c h n e t that the light source emits light of different colors, and that the filters are color filters.
DE19823235752 1982-09-27 1982-09-27 Multifunction key Granted DE3235752A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19823235752 DE3235752A1 (en) 1982-09-27 1982-09-27 Multifunction key

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823235752 DE3235752A1 (en) 1982-09-27 1982-09-27 Multifunction key

Publications (2)

Publication Number Publication Date
DE3235752A1 true DE3235752A1 (en) 1984-03-29
DE3235752C2 DE3235752C2 (en) 1988-01-07

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ID=6174287

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823235752 Granted DE3235752A1 (en) 1982-09-27 1982-09-27 Multifunction key

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Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8710273U1 (en) * 1987-07-27 1988-12-01 Nixdorf Computer Ag, 4790 Paderborn, De
US4879548A (en) * 1987-02-02 1989-11-07 Sharp Kabushiki Kaisha Flat keyboard arrangement
US5040479A (en) * 1990-07-24 1991-08-20 Apollo Plastics Corporation Illuminated multiple color button and method of manufacturing the same
EP0508563A1 (en) * 1991-01-29 1992-10-14 Nokia Mobile Phones Ltd. Illuminated pushbutton keyboard
EP0593804A1 (en) * 1991-09-20 1994-04-27 Sunarrow Co., Ltd. Illuminated button key
WO1998001876A1 (en) * 1996-07-03 1998-01-15 Philips Electronics N.V. Keyboard with multifunction keys and apparatus including such a keyboard
EP1139639A2 (en) * 2000-03-28 2001-10-04 Pioneer Corporation Button for an electric device and method of controlling lighting of the button
WO2002079895A2 (en) * 2001-03-28 2002-10-10 Barbara Sexton Computer
WO2003017080A2 (en) * 2001-08-17 2003-02-27 Danger, Inc A method of dynamically lighting keyboard glyphs
EP1332419A2 (en) * 2000-09-27 2003-08-06 Eatoni Ergonomics, Inc. Method and apparatus for accelerated entry of symbols on a reduced keypad
GB2393424A (en) * 2002-08-01 2004-03-31 Nec Corp Keypad having a plurality of backlighting colours
GB2396845A (en) * 2002-12-30 2004-07-07 Nokia Corp Multifunction keypad
FR2863724A1 (en) * 2004-02-11 2005-06-17 David Luo Display device for use with e.g. telephone, has light source including electroluminescent diode whose emission spectrum is controlled by modulation unit which varies spectral bands of light rays reaching pad filters
WO2005078563A2 (en) * 2004-02-11 2005-08-25 David Luo Display method and device, and display and keyboard therefor
WO2005120020A1 (en) * 2004-06-03 2005-12-15 Frog Design Hartmut Esslinger Gmbh Mobile terminal comprising a rotary pivoting mechanism
FR2872953A1 (en) * 2004-07-09 2006-01-13 Peugeot Citroen Automobiles Sa DISPLAY DEVICE FOR MOTOR VEHICLE
WO2006085200A2 (en) * 2005-02-10 2006-08-17 David Luo Display device and method, key, keyboard and electronic device using same
WO2007012540A1 (en) * 2005-07-26 2007-02-01 Sony Ericsson Mobile Communications Ab Arrangement for generating dual images
WO2007030280A2 (en) * 2005-08-13 2007-03-15 Palm, Inc. Lighting and usability features for key structures and keypads on computing devices
KR100773558B1 (en) 2006-10-11 2007-11-07 삼성전자주식회사 Keypad assembly for electronic equipment
WO2007085981A3 (en) * 2006-01-27 2008-01-03 Koninkl Philips Electronics Nv Device for inputting control commands
GB2441000A (en) * 2006-08-15 2008-02-20 Igt Uk Ltd Multi-functional illuminated press button with colour-controlled display
EP2033419A2 (en) * 2006-06-12 2009-03-11 Motorola, Inc. Device with modal lighting control and method thereof
FR2920859A1 (en) * 2007-09-12 2009-03-13 David Luo LIGHTING AND DISPLAY DEVICE AND METHOD
US7554463B2 (en) 2006-04-18 2009-06-30 Whirlpool Corporation Appliance information communication system
US7761175B2 (en) 2001-09-27 2010-07-20 Eatoni Ergonomics, Inc. Method and apparatus for discoverable input of symbols on a reduced keypad
USRE43082E1 (en) 1998-12-10 2012-01-10 Eatoni Ergonomics, Inc. Touch-typable devices based on ambiguous codes and methods to design such devices
EP1971112A3 (en) * 2007-03-16 2012-02-01 LG Electronics Inc. Mobile communication device
US8200865B2 (en) 2003-09-11 2012-06-12 Eatoni Ergonomics, Inc. Efficient method and apparatus for text entry based on trigger sequences
GB2496667A (en) * 2011-11-18 2013-05-22 Visteon Global Tech Inc Dual graphic illuminated display using polarised light, particularly for a button of a vehicle dashboard
US8989822B2 (en) 2006-09-08 2015-03-24 Qualcomm Incorporated Keypad assembly for use on a contoured surface of a mobile computing device
CN104880904A (en) * 2014-02-28 2015-09-02 韩国阿尔卑斯电气株式会社 Multi-print Film And Multi-light Switch For Vehicle Using The Same
DE102015005929A1 (en) * 2015-05-07 2016-11-10 Gerd Metzler Arrangement and method for generating a spatial and / or moving effect
WO2018081257A1 (en) * 2016-10-31 2018-05-03 Google Inc. Filters for selecting alphabet of characters presented by keyboard
EP3882085A4 (en) * 2018-11-14 2022-08-03 Shanghai Yanfeng Jinqiao Automotive Trim Systems Co., Ltd. Vehicle interior trim piece

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DE4028840A1 (en) * 1990-09-11 1991-02-21 Yahya Haghiri Tehrani Keyboard with variable characteristics for computers etc. - has keys programmable by computer programs with indicators keys showing current function
DE9102919U1 (en) * 1991-03-12 1991-06-06 Aeg Mobile Communication Gmbh, 7900 Ulm, De
DE9316607U1 (en) * 1993-10-29 1994-11-17 Schell Peter Display device for keyboards
DE10343134A1 (en) 2003-09-18 2005-05-04 Daimler Chrysler Ag Operating and display unit
US7394030B2 (en) 2005-06-02 2008-07-01 Palm, Inc. Small form-factor keyboard using keys with offset peaks and pitch variations
US7275836B2 (en) 2005-08-13 2007-10-02 Palm, Inc. Lighting and usability features for key structures and keypads on computing devices
DE102016120253B4 (en) 2016-10-24 2020-11-26 Bcs Automotive Interface Solutions Gmbh Motor vehicle display element

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Cited By (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4879548A (en) * 1987-02-02 1989-11-07 Sharp Kabushiki Kaisha Flat keyboard arrangement
DE8710273U1 (en) * 1987-07-27 1988-12-01 Nixdorf Computer Ag, 4790 Paderborn, De
US5040479A (en) * 1990-07-24 1991-08-20 Apollo Plastics Corporation Illuminated multiple color button and method of manufacturing the same
EP0508563A1 (en) * 1991-01-29 1992-10-14 Nokia Mobile Phones Ltd. Illuminated pushbutton keyboard
US5408060A (en) * 1991-01-29 1995-04-18 Nokia Mobile Phones Ltd. Illuminated pushbutton keyboard
EP0593804A1 (en) * 1991-09-20 1994-04-27 Sunarrow Co., Ltd. Illuminated button key
WO1998001876A1 (en) * 1996-07-03 1998-01-15 Philips Electronics N.V. Keyboard with multifunction keys and apparatus including such a keyboard
USRE43082E1 (en) 1998-12-10 2012-01-10 Eatoni Ergonomics, Inc. Touch-typable devices based on ambiguous codes and methods to design such devices
EP1139639A2 (en) * 2000-03-28 2001-10-04 Pioneer Corporation Button for an electric device and method of controlling lighting of the button
EP1139639A3 (en) * 2000-03-28 2002-12-18 Pioneer Corporation Button for an electric device and method of controlling lighting of the button
EP1332419A4 (en) * 2000-09-27 2006-09-06 Eatoni Ergonomics Inc Method and apparatus for accelerated entry of symbols on a reduced keypad
EP1332419A2 (en) * 2000-09-27 2003-08-06 Eatoni Ergonomics, Inc. Method and apparatus for accelerated entry of symbols on a reduced keypad
WO2002079895A2 (en) * 2001-03-28 2002-10-10 Barbara Sexton Computer
WO2002079895A3 (en) * 2001-03-28 2003-11-27 Barbara Sexton Computer
WO2003017080A2 (en) * 2001-08-17 2003-02-27 Danger, Inc A method of dynamically lighting keyboard glyphs
WO2003017080A3 (en) * 2001-08-17 2004-02-19 Danger Inc A method of dynamically lighting keyboard glyphs
US7761175B2 (en) 2001-09-27 2010-07-20 Eatoni Ergonomics, Inc. Method and apparatus for discoverable input of symbols on a reduced keypad
GB2393424A (en) * 2002-08-01 2004-03-31 Nec Corp Keypad having a plurality of backlighting colours
GB2393424B (en) * 2002-08-01 2005-10-19 Nippon Electric Co Key input device
GB2396845A (en) * 2002-12-30 2004-07-07 Nokia Corp Multifunction keypad
US8200865B2 (en) 2003-09-11 2012-06-12 Eatoni Ergonomics, Inc. Efficient method and apparatus for text entry based on trigger sequences
CN1918536B (en) * 2004-02-11 2010-12-08 D·卢奥 Display method and device, and display and keyboard therefore
FR2863724A1 (en) * 2004-02-11 2005-06-17 David Luo Display device for use with e.g. telephone, has light source including electroluminescent diode whose emission spectrum is controlled by modulation unit which varies spectral bands of light rays reaching pad filters
WO2005078563A3 (en) * 2004-02-11 2006-05-04 David Luo Display method and device, and display and keyboard therefor
WO2005078563A2 (en) * 2004-02-11 2005-08-25 David Luo Display method and device, and display and keyboard therefor
WO2005120020A1 (en) * 2004-06-03 2005-12-15 Frog Design Hartmut Esslinger Gmbh Mobile terminal comprising a rotary pivoting mechanism
WO2006008413A1 (en) * 2004-07-09 2006-01-26 Peugeot Citroën Automobiles SA Display device for a motor vehicle
FR2872953A1 (en) * 2004-07-09 2006-01-13 Peugeot Citroen Automobiles Sa DISPLAY DEVICE FOR MOTOR VEHICLE
WO2006085200A2 (en) * 2005-02-10 2006-08-17 David Luo Display device and method, key, keyboard and electronic device using same
WO2006085200A3 (en) * 2005-02-10 2007-03-15 David Luo Display device and method, key, keyboard and electronic device using same
US7997746B2 (en) 2005-07-26 2011-08-16 Sony Ericsson Mobile Communications Ab Arrangement for generating dual images
WO2007012540A1 (en) * 2005-07-26 2007-02-01 Sony Ericsson Mobile Communications Ab Arrangement for generating dual images
EP1758140A1 (en) * 2005-07-26 2007-02-28 Sony Ericsson Mobile Communications AB Arrangement for generating dual images
WO2007030280A2 (en) * 2005-08-13 2007-03-15 Palm, Inc. Lighting and usability features for key structures and keypads on computing devices
WO2007030280A3 (en) * 2005-08-13 2007-05-31 Palm Inc Lighting and usability features for key structures and keypads on computing devices
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