DE68918759D1 - Schalter mit einem "NCAP" Flüssigkristall. - Google Patents

Schalter mit einem "NCAP" Flüssigkristall.

Info

Publication number
DE68918759D1
DE68918759D1 DE68918759T DE68918759T DE68918759D1 DE 68918759 D1 DE68918759 D1 DE 68918759D1 DE 68918759 T DE68918759 T DE 68918759T DE 68918759 T DE68918759 T DE 68918759T DE 68918759 D1 DE68918759 D1 DE 68918759D1
Authority
DE
Germany
Prior art keywords
ncap
switch
liquid crystal
crystal
liquid
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.)
Expired - Fee Related
Application number
DE68918759T
Other languages
English (en)
Other versions
DE68918759T2 (de
Inventor
Richard Wiley
Paul C Salisbury
John D Fergason
Abraham K Yung
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.)
Raychem Corp
Original Assignee
Raychem 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 Raychem Corp filed Critical Raychem Corp
Publication of DE68918759D1 publication Critical patent/DE68918759D1/de
Application granted granted Critical
Publication of DE68918759T2 publication Critical patent/DE68918759T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02F1/13338—Input devices, e.g. touch panels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Push-Button Switches (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)
  • Switch Cases, Indication, And Locking (AREA)
DE1989618759 1988-06-01 1989-05-31 Schalter mit einem "NCAP" Flüssigkristall. Expired - Fee Related DE68918759T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US20079688A 1988-06-01 1988-06-01
US33361889A 1989-04-04 1989-04-04

Publications (2)

Publication Number Publication Date
DE68918759D1 true DE68918759D1 (de) 1994-11-17
DE68918759T2 DE68918759T2 (de) 1995-05-18

Family

ID=26896097

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1989618759 Expired - Fee Related DE68918759T2 (de) 1988-06-01 1989-05-31 Schalter mit einem "NCAP" Flüssigkristall.

Country Status (3)

Country Link
EP (1) EP0345029B1 (de)
JP (1) JP2915000B2 (de)
DE (1) DE68918759T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9019617D0 (en) * 1990-09-07 1990-10-24 Good Thinking Ltd Improvements in or relating to a window or other light transmitting device
JPH0475380U (de) * 1990-11-09 1992-07-01
GB2260025A (en) * 1991-09-25 1993-03-31 Tokyo Shimoda Industry Ltd Illuminated membrane switch
JP3253467B2 (ja) * 1994-11-18 2002-02-04 株式会社東芝 洗濯機
US5835174A (en) * 1995-10-12 1998-11-10 Rohm And Haas Company Droplets and particles containing liquid crystal and films and apparatus containing the same
US6271898B1 (en) 1996-09-19 2001-08-07 Rohm And Haas Company Particles and droplets containing liquid domains and method for forming in an aqueous medium
US6297789B2 (en) 1998-07-09 2001-10-02 Tyco Electronics Corporation Integrated circuit card with liquid crystal display for viewing at least a portion of the information stored in the card
FR2847996B1 (fr) * 2002-11-28 2005-10-07 Thales Sa Dispositif d'affichage dedie a detection de proximite
JP2009099307A (ja) * 2007-10-15 2009-05-07 Sunarrow Ltd キーシート及びこれを備えたキーユニット
FR2941073B1 (fr) * 2009-01-15 2011-04-08 Peugeot Citroen Automobiles Sa Dispositif d'interfacage homme/machine a afficheur lcd a segments, pour le controle tactile modulable de fonctions d'equipements
DE112010003840B4 (de) 2009-09-29 2022-10-20 Seereal Technologies S.A. Lichtmodulator für ein Display, Display und ein Verfahren zum Betreiben eines Lichtmodulators

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57178220A (en) * 1981-04-27 1982-11-02 Ricoh Co Ltd Liquid crystal display device
US4789858A (en) * 1984-06-12 1988-12-06 Taliq Corporation Multifunction switch incorporating NCAP liquid crystal

Also Published As

Publication number Publication date
EP0345029B1 (de) 1994-10-12
JPH0266821A (ja) 1990-03-06
EP0345029A3 (en) 1990-10-17
DE68918759T2 (de) 1995-05-18
JP2915000B2 (ja) 1999-07-05
EP0345029A2 (de) 1989-12-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee