DE69128106D1 - Auf Berührung reagierende LCD-Anzeige - Google Patents

Auf Berührung reagierende LCD-Anzeige

Info

Publication number
DE69128106D1
DE69128106D1 DE69128106T DE69128106T DE69128106D1 DE 69128106 D1 DE69128106 D1 DE 69128106D1 DE 69128106 T DE69128106 T DE 69128106T DE 69128106 T DE69128106 T DE 69128106T DE 69128106 D1 DE69128106 D1 DE 69128106D1
Authority
DE
Germany
Prior art keywords
touch
lcd display
sensitive lcd
sensitive
display
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 - Lifetime
Application number
DE69128106T
Other languages
English (en)
Other versions
DE69128106T2 (de
Inventor
Gregory J May
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.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE69128106D1 publication Critical patent/DE69128106D1/de
Publication of DE69128106T2 publication Critical patent/DE69128106T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
    • 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
DE69128106T 1990-05-25 1991-05-14 Auf Berührung reagierende LCD-Anzeige Expired - Lifetime DE69128106T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/529,099 US5105186A (en) 1990-05-25 1990-05-25 Lcd touch screen

Publications (2)

Publication Number Publication Date
DE69128106D1 true DE69128106D1 (de) 1997-12-11
DE69128106T2 DE69128106T2 (de) 1998-02-26

Family

ID=24108519

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69128106T Expired - Lifetime DE69128106T2 (de) 1990-05-25 1991-05-14 Auf Berührung reagierende LCD-Anzeige

Country Status (6)

Country Link
US (1) US5105186A (de)
EP (1) EP0458513B1 (de)
JP (1) JP3385038B2 (de)
CA (1) CA2038598C (de)
DE (1) DE69128106T2 (de)
SG (1) SG47749A1 (de)

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JP3385038B2 (ja) 2003-03-10
CA2038598A1 (en) 1991-11-26
DE69128106T2 (de) 1998-02-26
EP0458513A1 (de) 1991-11-27
JPH04232524A (ja) 1992-08-20
EP0458513B1 (de) 1997-11-05
CA2038598C (en) 2002-01-08
SG47749A1 (en) 1998-04-17
US5105186A (en) 1992-04-14

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