DE3750047D1 - Projektionswiedergabegerät. - Google Patents

Projektionswiedergabegerät.

Info

Publication number
DE3750047D1
DE3750047D1 DE3750047T DE3750047T DE3750047D1 DE 3750047 D1 DE3750047 D1 DE 3750047D1 DE 3750047 T DE3750047 T DE 3750047T DE 3750047 T DE3750047 T DE 3750047T DE 3750047 D1 DE3750047 D1 DE 3750047D1
Authority
DE
Germany
Prior art keywords
display device
projection display
projection
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
DE3750047T
Other languages
English (en)
Other versions
DE3750047T2 (de
Inventor
Masahiro Patent Departme Ogawa
Tatsuo Patent Dept D Shimazaki
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer Co Ltd
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 JP4297586U external-priority patent/JPS62156914U/ja
Priority claimed from JP14723486U external-priority patent/JPS6354137U/ja
Application filed by Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Application granted granted Critical
Publication of DE3750047D1 publication Critical patent/DE3750047D1/de
Publication of DE3750047T2 publication Critical patent/DE3750047T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • G03B21/006—Projectors using an electronic spatial light modulator but not peculiar thereto using LCD's
    • 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
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • G02F1/133385—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell with cooling means, e.g. fans
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
DE3750047T 1986-03-26 1987-03-20 Projektionswiedergabegerät. Expired - Lifetime DE3750047T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4297586U JPS62156914U (de) 1986-03-26 1986-03-26
JP14723486U JPS6354137U (de) 1986-09-26 1986-09-26

Publications (2)

Publication Number Publication Date
DE3750047D1 true DE3750047D1 (de) 1994-07-21
DE3750047T2 DE3750047T2 (de) 1994-09-22

Family

ID=26382712

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3750047T Expired - Lifetime DE3750047T2 (de) 1986-03-26 1987-03-20 Projektionswiedergabegerät.

Country Status (3)

Country Link
US (1) US4787737A (de)
EP (1) EP0239024B1 (de)
DE (1) DE3750047T2 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4875064A (en) * 1986-08-06 1989-10-17 Casio Computer Co., Ltd. Projector apparatus with mirror means
DE3711540A1 (de) * 1987-04-06 1988-10-27 Demolux Wandler fuer elektrische signale in optisch zu projizierende bilder, insbesondere fuer video-signale
US5227821A (en) 1987-04-30 1993-07-13 Nview Corporation Liquid crystal display for projection systems
US5255029A (en) 1987-04-30 1993-10-19 Nview Corporation Liquid crystal display for projection systems
US5136397A (en) * 1989-10-31 1992-08-04 Seiko Epson Corporation Liquid crystal video projector having lamp and cooling control and remote optics and picture attribute controls
JP3052318B2 (ja) * 1989-10-31 2000-06-12 セイコーエプソン株式会社 プロジェクタおよびその制御方法
WO1992015041A1 (en) 1991-02-22 1992-09-03 Seiko Epson Corporation Projection-type liquid crystalline projector
JP2822696B2 (ja) * 1991-06-27 1998-11-11 富士写真フイルム株式会社 ビデオプロジェクタ
US5313234A (en) * 1991-07-26 1994-05-17 Sayett Group, Inc. Liquid crystal projector
DE69433600T2 (de) * 1993-03-16 2005-02-03 Seiko Epson Corp. Projektionsanzeigevorrichtung
US5459532A (en) * 1993-03-29 1995-10-17 Seiko Epson Corporation Automatic focus adjuster for projection display systems having focus adjustment display symbols
TW323345B (de) * 1994-07-08 1997-12-21 Fujitsu Ltd
US6007205A (en) * 1995-03-30 1999-12-28 Seiko Epson Corporation Optical lens unit having internalized fan unit and projection apparatus housing the same
DE19524131A1 (de) * 1995-07-03 1997-01-09 Thomson Brandt Gmbh Mit einem Videosignal steuerbarer Projektor
JP3307226B2 (ja) * 1995-11-01 2002-07-24 松下電器産業株式会社 液晶プロジェクション装置のランプ装置
US5692821C1 (en) * 1996-06-28 2001-10-16 Minnesota Mining & Mfg Method and system for thermal management within a display device
JPH09284685A (ja) * 1996-04-17 1997-10-31 Hitachi Ltd 投写形液晶ディスプレイ装置
EP1331514B1 (de) * 1996-10-04 2005-08-17 Seiko Epson Corporation Projektionsanzeigevorrichtung
US5912773A (en) * 1997-03-21 1999-06-15 Texas Instruments Incorporated Apparatus for spatial light modulator registration and retention
KR100252314B1 (ko) * 1997-05-09 2000-04-15 윤종용 프로젝션 텔레비젼
JP3545170B2 (ja) * 1997-06-27 2004-07-21 パイオニア株式会社 投写型画像表示装置
JP4103169B2 (ja) * 1998-04-06 2008-06-18 ソニー株式会社 表示装置及びその冷却方法
US6604829B2 (en) * 1999-03-03 2003-08-12 3M Innovative Properties Company Compact integrated front projection system
US6179426B1 (en) * 1999-03-03 2001-01-30 3M Innovative Properties Company Integrated front projection system
US6520646B2 (en) 1999-03-03 2003-02-18 3M Innovative Properties Company Integrated front projection system with distortion correction and associated method
US6568814B2 (en) 1999-03-03 2003-05-27 3M Innovative Properties Company Integrated front projection system with shaped imager and associated method
US6530664B2 (en) 1999-03-03 2003-03-11 3M Innovative Properties Company Integrated front projection system with enhanced dry erase screen configuration
US6591899B1 (en) * 2000-11-21 2003-07-15 Space Systems/Loral, Inc. Spacecraft multi-directional loop heat pipe thermal systems
TW200639566A (en) * 2005-05-10 2006-11-16 Young Optics Inc Heat dissipation structure for projector
KR100726128B1 (ko) * 2005-07-22 2007-06-12 정 현 이 영상 투사 기능이 구비된 모바일 단말기
US8564961B2 (en) * 2007-11-30 2013-10-22 Apple Inc. Methods and apparatus for providing holes through portions of a housing of an electronic device
JP2009296105A (ja) * 2008-06-03 2009-12-17 Sanyo Electric Co Ltd 画像表示装置
JP5288889B2 (ja) * 2008-06-03 2013-09-11 三洋電機株式会社 画像表示装置
US8673082B2 (en) * 2011-01-20 2014-03-18 Sharp Kabushiki Kaisha Crucible and deposition apparatus
US9188442B2 (en) 2012-03-13 2015-11-17 Bei Sensors & Systems Company, Inc. Gyroscope and devices with structural components comprising HfO2-TiO2 material
CN109459905A (zh) * 2018-12-27 2019-03-12 徐逸 一种新型lcd投影机

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2837965A (en) * 1953-09-29 1958-06-10 Rca Corp Projector cooling system
DE1027905B (de) * 1955-11-03 1958-04-10 Wesegang Fa Ed Bildwerfer mit Entlueftungsgeblaese
DE1203013B (de) * 1960-08-04 1965-10-14 Braun Ag Projektionseinrichtung mit Geblaese zum Kuehlen von Lampenhaus und Bildbuehne
US3400995A (en) * 1965-12-09 1968-09-10 Gen Precision Systems Inc Heat dissipating film gate
CH539315A (de) * 1971-12-03 1973-07-15 Bbc Brown Boveri & Cie Informationsträger für Projektionszwecke
US3844650A (en) * 1972-05-22 1974-10-29 Minnesota Mining & Mfg Projector
US4110791A (en) * 1977-04-18 1978-08-29 The United States Of America As Represented By The Secretary Of The Navy Television projector system
US4305099A (en) * 1980-02-01 1981-12-08 General Electric Company Light collection system
US4453810A (en) * 1981-09-16 1984-06-12 Foto Resources Film transparency projector
US4613207A (en) * 1984-05-08 1986-09-23 Manchester R & D Partnership Liquid crystal projector and method
EP0192023A3 (de) * 1985-02-21 1986-10-08 Casio Computer Company Limited Flüssigkristallprojektor
JPH0758372B2 (ja) * 1985-12-20 1995-06-21 カシオ計算機株式会社 液晶表示装置

Also Published As

Publication number Publication date
EP0239024B1 (de) 1994-06-15
US4787737A (en) 1988-11-29
DE3750047T2 (de) 1994-09-22
EP0239024A3 (en) 1990-01-17
EP0239024A2 (de) 1987-09-30

Similar Documents

Publication Publication Date Title
DE3750047D1 (de) Projektionswiedergabegerät.
DE3785813T2 (de) Anzeigevorrichtung.
DE3786614T2 (de) Anzeigevorrichtung.
DE3750855T2 (de) Anzeigegerät.
DE3751233T2 (de) Anzeigevorrichtung vom Projektionstyp.
DE3789214T2 (de) Bildanzeigegerät.
DE3886290T2 (de) Anzeigegerät.
DE3854510T2 (de) Anzeigegerät.
DE3889966T2 (de) Anzeigegerät.
DE3850520T2 (de) Anzeigevorrichtung.
DE3850467T2 (de) Anzeigevorrichtung.
DE3852664D1 (de) Anzeigegerät.
DE58908020D1 (de) Anzeigevorrichtung.
DE68909641D1 (de) Projektionsdarstellungsgerät.
DE3888735D1 (de) Anzeigegerät.
NO864942D0 (no) Displayanordning for meddelelser.
DE3880256T2 (de) Projektionsfarbanzeigegeraet.
DE3764278D1 (de) Siebvorrichtung.
DE3789248T2 (de) Bildanzeigegerät.
DE277469T1 (de) Projektionsgeraet.
DE3783053T2 (de) Videoanzeigegeraet.
DE366376T1 (de) Anzeigeeinrichtung.
DE3772509D1 (de) Bildanzeigevorrichtung.
DE3771154D1 (de) Anzeigeeinrichtung.
DE69017188T2 (de) Projektionsanzeigevorrichtung.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition