CA1028765A - Systeme electrooptique de filtres couleurs - Google Patents

Systeme electrooptique de filtres couleurs

Info

Publication number
CA1028765A
CA1028765A CA212,191A CA212191A CA1028765A CA 1028765 A CA1028765 A CA 1028765A CA 212191 A CA212191 A CA 212191A CA 1028765 A CA1028765 A CA 1028765A
Authority
CA
Canada
Prior art keywords
color filter
filter system
electrooptic
electrooptic color
filter
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
CA212,191A
Other languages
English (en)
Other versions
CA212191S (en
Inventor
James E. Adams
Werner E.L. Haas
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 CA1028765A publication Critical patent/CA1028765A/fr
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 
    • G02F1/03—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 ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/0305—Constructional arrangements
    • G02F1/0322—Arrangements comprising two or more independently controlled crystals
    • 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 
    • G02F1/23—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  for the control of the colour

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
CA212,191A 1973-12-20 1974-10-24 Systeme electrooptique de filtres couleurs Expired CA1028765A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US426844A US3915553A (en) 1973-12-20 1973-12-20 Electrooptic color filter system

Publications (1)

Publication Number Publication Date
CA1028765A true CA1028765A (fr) 1978-03-28

Family

ID=23692447

Family Applications (1)

Application Number Title Priority Date Filing Date
CA212,191A Expired CA1028765A (fr) 1973-12-20 1974-10-24 Systeme electrooptique de filtres couleurs

Country Status (2)

Country Link
US (1) US3915553A (fr)
CA (1) CA1028765A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4097128A (en) * 1975-04-24 1978-06-27 Tokyo Shibaura Electric Co., Ltd. Liquid crystal color display devices
US4197008A (en) * 1977-12-27 1980-04-08 Hughes Aircraft Company Electro-optic tunable optical filter
US4309084A (en) * 1979-04-19 1982-01-05 U.S. Philips Corporation Magneto-optical light modulator
US4541691A (en) * 1983-12-27 1985-09-17 Tektronix, Inc. Electro-optic switching system using circularly polarized light
US4583825A (en) * 1983-12-27 1986-04-22 Tektronix, Inc. Electro-optic display system with improved viewing angle
US4674841A (en) * 1985-03-08 1987-06-23 Tektronix, Inc. Color filter switchable among three state via a variable retarder
US4762399A (en) * 1986-01-21 1988-08-09 Hughes Aircraft Company Voltage-biased liquid crystal optical power limiter
US4768864A (en) * 1986-01-21 1988-09-06 Hughes Aircraft Company Liquid-crystal-based optical power limiter
DE10124566A1 (de) * 2001-05-15 2002-11-21 Zeiss Carl Optisches Abbildungssystem mit Polarisationsmitteln und Quarzkristallplatte hierfür
US6784416B2 (en) * 2001-12-31 2004-08-31 3M Innovative Properties Company Polarization transformer and polarization mode dispersion compensator
US7170679B2 (en) * 2002-09-18 2007-01-30 Vision Quest Lighting, Inc. Optically active color filter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3501219A (en) * 1966-09-08 1970-03-17 Texas Instruments Inc Color control for dynamic displays
US3661442A (en) * 1969-03-25 1972-05-09 Hitachi Ltd Electrically operated optical shutter
US3669525A (en) * 1971-01-06 1972-06-13 Xerox Corp Liquid crystal color filter

Also Published As

Publication number Publication date
US3915553A (en) 1975-10-28

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