DE69312622D1 - Farbprojektionsverfahren und -vorrichtung von durch Modulation optischer Lichtventile entstandenen Bildern - Google Patents

Farbprojektionsverfahren und -vorrichtung von durch Modulation optischer Lichtventile entstandenen Bildern

Info

Publication number
DE69312622D1
DE69312622D1 DE69312622T DE69312622T DE69312622D1 DE 69312622 D1 DE69312622 D1 DE 69312622D1 DE 69312622 T DE69312622 T DE 69312622T DE 69312622 T DE69312622 T DE 69312622T DE 69312622 D1 DE69312622 D1 DE 69312622D1
Authority
DE
Germany
Prior art keywords
light valves
projection method
optical light
images created
color projection
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
DE69312622T
Other languages
English (en)
Other versions
DE69312622T2 (de
Inventor
Bruno Barbier
Patrick Lach
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.)
Thales Avionics SAS
Original Assignee
Thales Avionics SAS
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 Thales Avionics SAS filed Critical Thales Avionics SAS
Application granted granted Critical
Publication of DE69312622D1 publication Critical patent/DE69312622D1/de
Publication of DE69312622T2 publication Critical patent/DE69312622T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3164—Modulator illumination systems using multiple light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
DE69312622T 1992-09-28 1993-09-27 Farbprojektionsverfahren und -vorrichtung von durch Modulation optischer Lichtventile entstandenen Bildern Expired - Fee Related DE69312622T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9211539A FR2696246B1 (fr) 1992-09-28 1992-09-28 Procédé et dispositif de projection d'une image en couleur résultant d'une modulation par valves optiques.

Publications (2)

Publication Number Publication Date
DE69312622D1 true DE69312622D1 (de) 1997-09-04
DE69312622T2 DE69312622T2 (de) 1998-03-12

Family

ID=9433958

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69312622T Expired - Fee Related DE69312622T2 (de) 1992-09-28 1993-09-27 Farbprojektionsverfahren und -vorrichtung von durch Modulation optischer Lichtventile entstandenen Bildern

Country Status (5)

Country Link
US (1) US5465177A (de)
EP (1) EP0592279B1 (de)
JP (1) JP3322959B2 (de)
DE (1) DE69312622T2 (de)
FR (1) FR2696246B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5777796A (en) * 1996-07-25 1998-07-07 Delta America Ltd. Pentaprism combiner/splitter
JP2005517202A (ja) * 2001-10-09 2005-06-09 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 光学装置
JP2004271726A (ja) * 2003-03-06 2004-09-30 Seiko Epson Corp 背面投射型表示装置
JP2006317681A (ja) * 2005-05-12 2006-11-24 Canon Inc 画像表示装置
FR2936608B1 (fr) * 2008-09-26 2010-09-24 Thales Sa Systeme de detection par balayage optique de position et/ou d'orientation d'objets
FR2936609B1 (fr) * 2008-09-26 2012-10-12 Thales Sa Systeme de detection optique de position et/ou d'orientation d'objets comprenant au moins deux capteurs coplanaires

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4256368A (en) * 1980-01-07 1981-03-17 The United States Of America As Represented By The Secretary Of The Air Force Color contrast sensitivity measuring device
US4500172A (en) * 1981-12-28 1985-02-19 Hughes Aircraft Company Two color liquid crystal light valve image projection system with single prepolarizer
US4989076A (en) * 1987-01-27 1991-01-29 Canon Kabushiki Kaisha Video projection apparatus
DE3720375A1 (de) * 1987-06-19 1988-12-29 Fraunhofer Ges Forschung Projektionsvorrichtung
US5262898A (en) * 1988-06-03 1993-11-16 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens barrel and camera incorporating such barrel
EP0434041B1 (de) * 1989-12-20 1996-09-11 Canon Kabushiki Kaisha Polarisierendes Beleuchtungsgerät
JPH03201695A (ja) * 1989-12-27 1991-09-03 Matsushita Electric Ind Co Ltd 投写表示装置
US5073830A (en) * 1990-01-09 1991-12-17 Greyhawk Systems, Inc. High-efficiency polarized light source
SG43161A1 (en) * 1990-07-24 1997-10-17 Thomson Brandt Gmbh Polarized light lighting device
DE4025136A1 (de) * 1990-08-08 1992-02-13 Grundig Emv Projektionsgeraet fuer die grossbildprojektion
FR2665773B1 (fr) * 1990-08-10 1993-08-20 Thomson Csf Dispositif de projection d'images utilisant deux composantes orthogonales de polarisation de la lumiere.

Also Published As

Publication number Publication date
FR2696246A1 (fr) 1994-04-01
JPH06342133A (ja) 1994-12-13
DE69312622T2 (de) 1998-03-12
EP0592279B1 (de) 1997-07-30
EP0592279A1 (de) 1994-04-13
FR2696246B1 (fr) 1994-11-04
JP3322959B2 (ja) 2002-09-09
US5465177A (en) 1995-11-07

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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