DE69221443T2 - Flüssigkristallichtventil und Informationsprozessor unter Verwendung desselben - Google Patents

Flüssigkristallichtventil und Informationsprozessor unter Verwendung desselben

Info

Publication number
DE69221443T2
DE69221443T2 DE69221443T DE69221443T DE69221443T2 DE 69221443 T2 DE69221443 T2 DE 69221443T2 DE 69221443 T DE69221443 T DE 69221443T DE 69221443 T DE69221443 T DE 69221443T DE 69221443 T2 DE69221443 T2 DE 69221443T2
Authority
DE
Germany
Prior art keywords
liquid crystal
same
light valve
information processor
crystal light
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
DE69221443T
Other languages
English (en)
Other versions
DE69221443D1 (de
Inventor
Akitsugu Hatano
Tsuyoshi Okazaki
Yukihiro Sumida
Takashi Nojima
Hidehiko Yamashita
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.)
Sharp Corp
Original Assignee
Sharp 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
Priority claimed from JP3324142A external-priority patent/JP2783473B2/ja
Priority claimed from JP4110892A external-priority patent/JP2865933B2/ja
Priority claimed from JP4049603A external-priority patent/JP2753172B2/ja
Priority claimed from JP7149992A external-priority patent/JP2865936B2/ja
Priority claimed from JP4071498A external-priority patent/JP2839982B2/ja
Application filed by Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE69221443D1 publication Critical patent/DE69221443D1/de
Publication of DE69221443T2 publication Critical patent/DE69221443T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10841—Particularities of the light-sensitive elements
    • 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
    • G02F1/1326—Liquid crystal optical waveguides or liquid crystal cells specially adapted for gating or modulating between optical waveguides
    • 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
    • G02F1/135—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/029—Heads optically focused on only one picture element at a time
DE69221443T 1991-12-09 1992-12-08 Flüssigkristallichtventil und Informationsprozessor unter Verwendung desselben Expired - Fee Related DE69221443T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP3324142A JP2783473B2 (ja) 1991-12-09 1991-12-09 液晶ライトバルブ及び液晶ライトバルブを備えた情報処理装置
JP4110892A JP2865933B2 (ja) 1992-02-27 1992-02-27 ファクシミリ装置
JP4049603A JP2753172B2 (ja) 1992-03-06 1992-03-06 バーコードリーダ
JP7149992A JP2865936B2 (ja) 1992-03-27 1992-03-27 イメージスキャナ
JP4071498A JP2839982B2 (ja) 1992-03-27 1992-03-27 画像形成装置

Publications (2)

Publication Number Publication Date
DE69221443D1 DE69221443D1 (de) 1997-09-11
DE69221443T2 true DE69221443T2 (de) 1998-02-05

Family

ID=27522136

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69221443T Expired - Fee Related DE69221443T2 (de) 1991-12-09 1992-12-08 Flüssigkristallichtventil und Informationsprozessor unter Verwendung desselben

Country Status (3)

Country Link
US (1) US5467204A (de)
EP (1) EP0546797B1 (de)
DE (1) DE69221443T2 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5801812A (en) * 1993-01-06 1998-09-01 Image Technology International, Inc. 3D photographic printer using a digital micro-mirror device for exposure
US5801811A (en) * 1993-01-06 1998-09-01 Image Technology International, Inc. 3D photographic printer using a matrix display for exposure
JP3000415U (ja) * 1994-01-25 1994-08-09 旭光学工業株式会社 ファインダの密閉構造
US5812109A (en) * 1994-08-23 1998-09-22 Canon Kabushiki Kaisha Image input/output apparatus
JP3062012B2 (ja) * 1994-08-25 2000-07-10 シャープ株式会社 液晶ライトバルブ
US5532470A (en) * 1994-10-18 1996-07-02 Hughes Aircraft Company Optical encoding and readout system using a liquid crystal modulator to encode light with an object's identification code and related sensor data
US5857125A (en) * 1994-11-10 1999-01-05 Asahi Kogaku Kogyo Kabushiki Kaisha Device for controlling image signal recording operation
JPH08154191A (ja) * 1994-11-25 1996-06-11 Asahi Optical Co Ltd 電子スチルカメラのファインダ
US5805945A (en) * 1994-12-22 1998-09-08 Asahi Kogaku Kogyo Kabushiki Kaisha Electronic still video camera having electro-developing recording medium
EP0731417B1 (de) * 1995-02-27 2004-07-14 Symbol Technologies, Inc. Abtastmodul für einen optischen Abtaster
JP3288933B2 (ja) * 1996-02-28 2002-06-04 旭光学工業株式会社 電子現像型記録媒体の電圧制御装置
US6137963A (en) 1996-04-26 2000-10-24 Asahi Kogaku Kogyo Kabushiki Kaisha View finder device
US6154301A (en) * 1997-11-10 2000-11-28 Harvey; Philip C. Fiber optic receiver
JP4604307B2 (ja) * 2000-01-27 2011-01-05 ソニー株式会社 撮像装置とその製造方法及びカメラシステム
JP3828426B2 (ja) 2002-01-08 2006-10-04 アルプス電気株式会社 光導波路装置
US7288825B2 (en) 2002-12-18 2007-10-30 Noble Peak Vision Corp. Low-noise semiconductor photodetectors
US7589380B2 (en) * 2002-12-18 2009-09-15 Noble Peak Vision Corp. Method for forming integrated circuit utilizing dual semiconductors
US7643755B2 (en) * 2003-10-13 2010-01-05 Noble Peak Vision Corp. Optical receiver comprising a receiver photodetector integrated with an imaging array
US7453129B2 (en) 2002-12-18 2008-11-18 Noble Peak Vision Corp. Image sensor comprising isolated germanium photodetectors integrated with a silicon substrate and silicon circuitry
US20060055800A1 (en) * 2002-12-18 2006-03-16 Noble Device Technologies Corp. Adaptive solid state image sensor
CN1879397A (zh) * 2003-10-13 2006-12-13 卓越设备技术公司 包含与硅衬底和硅电路集成的绝缘锗光电探测器的图像传感器
US7209212B2 (en) * 2004-09-15 2007-04-24 China Institute Of Technology Tunable optical integrated element using liquid crystal as active layer
US7629661B2 (en) 2006-02-10 2009-12-08 Noble Peak Vision Corp. Semiconductor devices with photoresponsive components and metal silicide light blocking structures
US7973236B2 (en) * 2008-06-06 2011-07-05 Lockheed Martin Corporation Optical shutter for improved photovoltaic array thermal performance
US8084739B2 (en) 2008-07-16 2011-12-27 Infrared Newco., Inc. Imaging apparatus and methods
US8686365B2 (en) * 2008-07-28 2014-04-01 Infrared Newco, Inc. Imaging apparatus and methods
US8348168B2 (en) * 2010-05-17 2013-01-08 Symbol Technologies, Inc. Focus adjustment with liquid crystal device in imaging scanner
US10168597B2 (en) * 2016-07-19 2019-01-01 The United States Of America, As Represented By The Secretary Of The Navy Liquid crystal alignment on chalcogenide glasses

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980395A (en) * 1973-02-20 1976-09-14 The United States Of America As Represented By The Secretary Of The Navy Liquid crystal switch for optical waveguide
US3838908A (en) * 1973-02-22 1974-10-01 Rca Corp Guided light structures employing liquid crystal
US4094606A (en) * 1976-11-26 1978-06-13 Xerox Corporation Xerographic system employing waveguide addressing and modulating apparatus
JPS5685792A (en) * 1979-12-14 1981-07-13 Citizen Watch Co Ltd Liquid crystal display unit
JPS6349892A (ja) * 1986-08-19 1988-03-02 Fujitsu Kiden Ltd バ−コ−ドリ−ダ
JPS6413238A (en) * 1987-07-07 1989-01-18 Matsushita Electric Ind Co Ltd Optical pickup
JPH02134617A (ja) * 1988-11-15 1990-05-23 Seiko Epson Corp 電気光学装置
US5307186A (en) * 1991-08-09 1994-04-26 Sharp Kabushiki Kaisha Liquid crystal light valve having capability of providing high-contrast image

Also Published As

Publication number Publication date
EP0546797A1 (de) 1993-06-16
EP0546797B1 (de) 1997-08-06
US5467204A (en) 1995-11-14
DE69221443D1 (de) 1997-09-11

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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