CA1021048A - Imaging system - Google Patents

Imaging system

Info

Publication number
CA1021048A
CA1021048A CA189,740A CA189740A CA1021048A CA 1021048 A CA1021048 A CA 1021048A CA 189740 A CA189740 A CA 189740A CA 1021048 A CA1021048 A CA 1021048A
Authority
CA
Canada
Prior art keywords
imaging system
imaging
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
Application number
CA189,740A
Other languages
English (en)
Other versions
CA189740S (en
Inventor
Werner E.L. Haas
James E. Adams
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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of CA1021048A publication Critical patent/CA1021048A/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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/13731—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on a field-induced phase transition
    • 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

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)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal Substances (AREA)
CA189,740A 1973-04-09 1974-01-09 Imaging system Expired CA1021048A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00349497A US3854751A (en) 1973-04-09 1973-04-09 Method for rapidly switching a display by sequential application of orthogonal electric fields to a liquid crystal material having optical properties of the nematic mesophase

Publications (1)

Publication Number Publication Date
CA1021048A true CA1021048A (en) 1977-11-15

Family

ID=23372650

Family Applications (1)

Application Number Title Priority Date Filing Date
CA189,740A Expired CA1021048A (en) 1973-04-09 1974-01-09 Imaging system

Country Status (7)

Country Link
US (1) US3854751A (ja)
JP (1) JPS6040012B2 (ja)
CA (1) CA1021048A (ja)
DE (1) DE2408389A1 (ja)
FR (1) FR2224781B1 (ja)
GB (1) GB1465845A (ja)
NL (1) NL7404854A (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3981559A (en) * 1974-11-25 1976-09-21 Rca Corporation Liquid crystal display
US4050814A (en) * 1974-12-24 1977-09-27 Rockwell International Corporation Programmable light control matrix device
JPS5262655A (en) * 1975-11-19 1977-05-24 Hitachi Ltd Thick film module circuit
US4221471A (en) * 1977-06-24 1980-09-09 Motorola, Inc. Liquid crystal memory device and method of utilizing same
US4645304A (en) * 1981-08-25 1987-02-24 Kyocera Corporation Liquid crystal device having interdigitated electrodes with shade member
US4595259A (en) * 1984-01-19 1986-06-17 Xerox Corporation Transient state liquid crystal image bar for electrophotographic printers
US5576867A (en) * 1990-01-09 1996-11-19 Merck Patent Gesellschaft Mit Beschrankter Haftung Liquid crystal switching elements having a parallel electric field and βo which is not 0° or 90°
DE4000451B4 (de) * 1990-01-09 2004-12-09 Merck Patent Gmbh Elektrooptisches Flüssigkristallschaltelement
US5808800A (en) 1994-12-22 1998-09-15 Displaytech, Inc. Optics arrangements including light source arrangements for an active matrix liquid crystal image generator
US5748164A (en) 1994-12-22 1998-05-05 Displaytech, Inc. Active matrix liquid crystal image generator
US7289176B2 (en) * 2002-12-19 2007-10-30 Intel Corporation Single panel, active matrix, full color, cholesteric LCD cell configuration
WO2019064155A1 (en) * 2017-09-27 2019-04-04 Volfoni R&D ACTIVE 3D SHUTTERS-SHUTTERS PROVIDING ENHANCED IMAGE BRIGHTNESS LEVEL

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1870017A (en) * 1926-05-05 1932-08-02 Drahtlose Telegraphie Gmbh Photoelectric relay
US3551026A (en) * 1965-04-26 1970-12-29 Rca Corp Control of optical properties of materials with liquid crystals
US3680950A (en) * 1971-03-15 1972-08-01 Xerox Corp Grandjean state liquid crystalline imaging system
US3720456A (en) * 1971-04-29 1973-03-13 Xerox Corp Method for narrowing the bandwidth of an optical signal
US3711713A (en) * 1971-08-05 1973-01-16 Xerox Corp Electrically controlled thermal imaging system using a cholesteric to nematic phase transition

Also Published As

Publication number Publication date
FR2224781A1 (ja) 1974-10-31
US3854751A (en) 1974-12-17
DE2408389A1 (de) 1974-10-24
NL7404854A (ja) 1974-10-11
GB1465845A (en) 1977-03-02
JPS5012996A (ja) 1975-02-10
JPS6040012B2 (ja) 1985-09-09
FR2224781B1 (ja) 1976-12-17

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