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GB2019628A - Programmable key utilizing a liquid-crystal display and methods for operating the key - Google Patents

Programmable key utilizing a liquid-crystal display and methods for operating the key

Info

Publication number
GB2019628A
GB2019628A GB7910846A GB7910846A GB2019628A GB 2019628 A GB2019628 A GB 2019628A GB 7910846 A GB7910846 A GB 7910846A GB 7910846 A GB7910846 A GB 7910846A GB 2019628 A GB2019628 A GB 2019628A
Authority
GB
United Kingdom
Prior art keywords
key
liquid
crystal display
message
show
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
GB7910846A
Other versions
GB2019628B (en
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.)
Fairchild Semiconductor Corp
Original Assignee
Fairchild Camera and Instrument Corp
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 Fairchild Camera and Instrument Corp filed Critical Fairchild Camera and Instrument Corp
Publication of GB2019628A publication Critical patent/GB2019628A/en
Application granted granted Critical
Publication of GB2019628B publication Critical patent/GB2019628B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1313—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells specially adapted for a particular application
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/002—Legends replaceable; adaptable
    • H01H2219/01—Liquid crystal
    • H01H2219/012—Liquid crystal programmable

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Liquid Crystal (AREA)
  • Digital Computer Display Output (AREA)

Abstract

A programmable key for displaying messages to an operator so as to draw the operator's attention actively to the key is presented. The key carries a liquid-crystal display 23 for showing at least one message on the key according to the program chosen, means for creating messages on the liquid-crystal display and means for enabling the liquid-crystal display to be translated from one position to another position. In typical operation, the liquid-crystal display is initially activated to show a message at the key's neutral position. When the key 13 is depressed the liquid-crystal display automatically reactivates to show a second message. At either position, the key may show a blank screen by appropriate energization or de-energization of the liquid- crystal display. <IMAGE>
GB7910846A 1978-04-21 1979-03-28 Programmable key utilizing a liquid the key display and methods for operating the key Expired GB2019628B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US89835178A 1978-04-21 1978-04-21

Publications (2)

Publication Number Publication Date
GB2019628A true GB2019628A (en) 1979-10-31
GB2019628B GB2019628B (en) 1982-09-02

Family

ID=25409322

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7910846A Expired GB2019628B (en) 1978-04-21 1979-03-28 Programmable key utilizing a liquid the key display and methods for operating the key

Country Status (5)

Country Link
JP (1) JPS55993A (en)
CA (1) CA1129530A (en)
DE (1) DE2915249A1 (en)
FR (1) FR2423836A1 (en)
GB (1) GB2019628B (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4597662A (en) * 1983-01-31 1986-07-01 Minolta Camera Kabushiki Kaisha Copier start button with diagnostic information
FR2593295A1 (en) * 1986-01-20 1987-07-24 Cornuejols Georges Matrix-configured electronic controller of exposure parameters for a moving-picture camera
WO1987004530A1 (en) * 1986-01-20 1987-07-30 Georges Cornuejols Image processing device for controlling the transfer function of an optical system
US4728936A (en) * 1986-04-11 1988-03-01 Adt, Inc. Control and display system
GB2241474A (en) * 1990-03-01 1991-09-04 Peter Michael Jeffery Morrish Multifunctional keyboards with changeable keytop indicia
US6037928A (en) * 1997-11-13 2000-03-14 Imageworks Manufacturing, Inc. System and method for providing restrained, streamlined access to a computerized information source
EP1025886A2 (en) * 1998-10-05 2000-08-09 International Game Technology Gaming device and method using programmable display switch
US6275217B1 (en) * 1993-11-05 2001-08-14 Intertactile Technologies Corporation Operator/circuit interface with integrated display screen
WO2001094120A1 (en) * 2000-06-07 2001-12-13 Intelligentia International Ab Control unit with variable visual indicator
US6798359B1 (en) 2000-10-17 2004-09-28 Swedish Keys Llc Control unit with variable visual indicator

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2949499C2 (en) 1979-12-08 1982-06-03 Krone Gmbh, 1000 Berlin Display device for symbols of telephony technology
DE102015200330A1 (en) 2015-01-13 2016-07-14 Umdasch Shopfitting Gmbh Inclusion for electronic price tags, electronic price tag, combination of pickup and price tag, and shelf with a receptacle and / or a combination of pickup and price tag
EP3146871B1 (en) 2015-01-13 2021-11-10 umdasch Store Makers Management GmbH Holder for electronic price tags

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4597662A (en) * 1983-01-31 1986-07-01 Minolta Camera Kabushiki Kaisha Copier start button with diagnostic information
FR2593295A1 (en) * 1986-01-20 1987-07-24 Cornuejols Georges Matrix-configured electronic controller of exposure parameters for a moving-picture camera
WO1987004530A1 (en) * 1986-01-20 1987-07-30 Georges Cornuejols Image processing device for controlling the transfer function of an optical system
US5051770A (en) * 1986-01-20 1991-09-24 Scanera S.C. Image processing device for controlling the transfer function of an optical system
US4728936A (en) * 1986-04-11 1988-03-01 Adt, Inc. Control and display system
GB2241474A (en) * 1990-03-01 1991-09-04 Peter Michael Jeffery Morrish Multifunctional keyboards with changeable keytop indicia
US6275217B1 (en) * 1993-11-05 2001-08-14 Intertactile Technologies Corporation Operator/circuit interface with integrated display screen
US6441806B1 (en) * 1993-11-05 2002-08-27 Intertact Corporation Operator/circuit interface with integrated display screen
US6037928A (en) * 1997-11-13 2000-03-14 Imageworks Manufacturing, Inc. System and method for providing restrained, streamlined access to a computerized information source
US6768483B1 (en) 1997-11-13 2004-07-27 Prosisa Overseas, Inc. System and method of providing restrained, streamlined access to a computerized information source
EP1025886A2 (en) * 1998-10-05 2000-08-09 International Game Technology Gaming device and method using programmable display switch
EP1772170A3 (en) * 1998-10-05 2008-03-19 Igt Gaming device and method using programmable display switch
WO2001094120A1 (en) * 2000-06-07 2001-12-13 Intelligentia International Ab Control unit with variable visual indicator
AU2001264476B2 (en) * 2000-06-07 2004-05-13 Swedish Keys Llc Control unit with variable visual indicator
US6798359B1 (en) 2000-10-17 2004-09-28 Swedish Keys Llc Control unit with variable visual indicator
US7071845B2 (en) 2000-10-17 2006-07-04 United Keys, Inc. Control unit with variable visual indicator

Also Published As

Publication number Publication date
JPS55993A (en) 1980-01-07
FR2423836A1 (en) 1979-11-16
CA1129530A (en) 1982-08-10
DE2915249A1 (en) 1979-10-31
GB2019628B (en) 1982-09-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee