DE69016926D1 - Flüssigkristallvideoprojektor. - Google Patents

Flüssigkristallvideoprojektor.

Info

Publication number
DE69016926D1
DE69016926D1 DE69016926T DE69016926T DE69016926D1 DE 69016926 D1 DE69016926 D1 DE 69016926D1 DE 69016926 T DE69016926 T DE 69016926T DE 69016926 T DE69016926 T DE 69016926T DE 69016926 D1 DE69016926 D1 DE 69016926D1
Authority
DE
Germany
Prior art keywords
liquid crystal
video projector
crystal video
projector
liquid
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
DE69016926T
Other languages
English (en)
Other versions
DE69016926T2 (de
Inventor
Kiyoshi Miyashita
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of DE69016926D1 publication Critical patent/DE69016926D1/de
Application granted granted Critical
Publication of DE69016926T2 publication Critical patent/DE69016926T2/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
    • 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
    • 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
    • H04N2005/745—Control circuits therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Emergency Alarm Devices (AREA)
DE69016926T 1989-10-31 1990-10-23 Flüssigkristallvideoprojektor. Expired - Fee Related DE69016926T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1283532A JP3052318B2 (ja) 1989-10-31 1989-10-31 プロジェクタおよびその制御方法

Publications (2)

Publication Number Publication Date
DE69016926D1 true DE69016926D1 (de) 1995-03-23
DE69016926T2 DE69016926T2 (de) 1995-07-20

Family

ID=17666752

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69016926T Expired - Fee Related DE69016926T2 (de) 1989-10-31 1990-10-23 Flüssigkristallvideoprojektor.
DE69032887T Expired - Fee Related DE69032887T2 (de) 1989-10-31 1990-10-23 Autofokusverfahren in einem Flüssigkristallprojektor

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69032887T Expired - Fee Related DE69032887T2 (de) 1989-10-31 1990-10-23 Autofokusverfahren in einem Flüssigkristallprojektor

Country Status (4)

Country Link
US (1) USRE36060E (de)
EP (2) EP0425989B1 (de)
JP (1) JP3052318B2 (de)
DE (2) DE69016926T2 (de)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1039772A (ja) * 1996-07-29 1998-02-13 Mitsubishi Electric Corp 投写型液晶表示装置
WO1998013725A1 (fr) * 1996-09-24 1998-04-02 Seiko Epson Corporation Ecran de projection a source lumineuse
US6409350B1 (en) * 1998-03-06 2002-06-25 Matsushita Electric Industrial Co., Ltd. LCD projector
CA2302422C (en) * 1998-07-15 2009-02-24 Seiko Epson Corporation Image display device and adjusting method for image display device
JP2000338941A (ja) * 1999-05-27 2000-12-08 Seiko Epson Corp 投射型表示装置
JP2001092419A (ja) 1999-09-22 2001-04-06 Canon Inc 表示装置
JP3322664B2 (ja) * 2000-04-25 2002-09-09 三洋電機株式会社 液晶プロジェクタ
JP3852667B2 (ja) * 2000-07-11 2006-12-06 コニカミノルタオプト株式会社 投影装置
US6704061B2 (en) * 2001-01-04 2004-03-09 Rhomson Licensing S.A. Temporary simulated off state in a restart of a video display
JP2002244202A (ja) * 2001-02-14 2002-08-30 Sony Corp 液晶プロジェクタ装置および液晶プロジェクタ装置の駆動方法
JP3471772B2 (ja) * 2001-07-26 2003-12-02 Ｎｅｃビューテクノロジー株式会社 プロジェクタ
JP2003043577A (ja) * 2001-08-01 2003-02-13 Sanyo Electric Co Ltd 液晶プロジェクタ
US6829081B2 (en) * 2002-02-08 2004-12-07 Hewlett-Packard Development Company, L.P. Image transistor with laminar flow water cooling system
US6588907B1 (en) * 2002-08-26 2003-07-08 Hewlett-Packard Development Company, L.P. Self-contained cool-down system for a video projector
US7379393B2 (en) * 2002-10-07 2008-05-27 Michael Morykwas Timer device for use in an audio/visual presentation
US7048382B2 (en) * 2002-10-26 2006-05-23 Hewlett-Packard Development Company, L.P. Recording length(s) of time high-temperature component operates in accordance with high-temperature policy
TW546536B (en) * 2002-12-20 2003-08-11 Delta Electronics Inc Projector and operation protecting method therefor
CN100367107C (zh) * 2003-04-11 2008-02-06 台达电子工业股份有限公司 投影显示器的散热装置及其操作方法
JP2004348109A (ja) * 2003-04-28 2004-12-09 Mitsubishi Electric Corp 投写型表示装置
EP1639408B8 (de) * 2003-06-02 2013-06-19 Seiko Epson Corporation Projektor mit einem gebläse und einer lampe mit regelkreissteuerung
TW200527920A (en) * 2003-12-15 2005-08-16 Koninkl Philips Electronics Nv Projector and method of projecting an image having multiple image sizes
JP4082369B2 (ja) * 2004-03-25 2008-04-30 セイコーエプソン株式会社 液晶ライトバルブを構成する射出側偏光板の温度上昇抑制
US7252385B2 (en) * 2004-05-11 2007-08-07 Infocus Corporation Projection LED cooling
CN100385336C (zh) * 2004-05-13 2008-04-30 上海交通大学 数字投影机的散热安全控制装置
US8046790B2 (en) * 2004-07-06 2011-10-25 Hewlett-Packard Development Company, L. P. Media projector system for preventing the display of on-screen display information
JP2006032111A (ja) * 2004-07-15 2006-02-02 Casio Comput Co Ltd 投影装置、投影装置の光源ランプ駆動方法及びプログラム
US7233493B2 (en) * 2004-08-10 2007-06-19 E. I. Du Pont De Nemours And Company Electronic device having a temperature control system including a ductwork assembly
US7286347B2 (en) 2004-08-10 2007-10-23 Dupont Displays Electronic device having a temperature control system
JP4293163B2 (ja) * 2005-01-06 2009-07-08 セイコーエプソン株式会社 プロジェクタ
JP2006243551A (ja) * 2005-03-04 2006-09-14 Toshiba Corp プロジェクタ及びプロジェクタのランプ制御
TW200634524A (en) * 2005-03-16 2006-10-01 Coretronic Corp Intelligent auto-turn on/off module and intelligent auto-turn on/off method
JP2005258456A (ja) * 2005-04-04 2005-09-22 Canon Inc 投写型表示装置
KR100687932B1 (ko) * 2005-08-09 2007-02-27 삼성전자주식회사 영상표시장치 및 영상표시방법
US20070159559A1 (en) * 2006-01-10 2007-07-12 Chunghwa Picture Tubes, Ltd Method to switch on-off and the stand-by operation of a projection television
US7559657B2 (en) * 2006-01-30 2009-07-14 Infocus Corporation Projection device
JP2007212852A (ja) * 2006-02-10 2007-08-23 Mitsubishi Electric Corp 表示装置
JP4878203B2 (ja) * 2006-04-27 2012-02-15 キヤノン株式会社 画像投射装置
KR101407291B1 (ko) 2007-06-04 2014-06-13 엘지디스플레이 주식회사 광원 구동 장치 및 방법
CN101320195B (zh) * 2007-06-06 2010-06-09 台达电子工业股份有限公司 具语音提示功能的投影装置及用于该装置的控制方法
JP2009058845A (ja) * 2007-09-03 2009-03-19 Clarion Co Ltd 信号処理装置、信号処理装置の制御方法および制御プログラム
JP2009163095A (ja) * 2008-01-09 2009-07-23 Seiko Epson Corp プロジェクタおよびプログラム
JP2010191402A (ja) * 2009-01-26 2010-09-02 Toshiba Corp プロジェクタ装置及び映像表示方法ならびに携帯電話装置
JP2010224316A (ja) * 2009-03-24 2010-10-07 Sanyo Electric Co Ltd 投写型映像表示装置
GB2481447B (en) * 2010-06-25 2012-06-27 Visteon Global Tech Inc Matrix addressed display system
CN103474035B (zh) * 2013-09-18 2016-03-30 深圳市华星光电技术有限公司 一种用于液晶显示装置的背光模组及其控制方法
CN105319815A (zh) * 2015-11-23 2016-02-10 西安中科晶像光电科技有限公司 一种避免投影机镜头虚化的智能调焦系统
CN109767690A (zh) * 2019-02-02 2019-05-17 苏州佳世达电通有限公司 显示装置

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB131794A (en) * 1913-07-03 1919-09-04 Henry Bey Improvements in and relating to Advertising Sign Letters.
US4739396C1 (en) * 1970-12-28 2002-07-09 Gilbert P Hyatt Projection display system
DE2219538C3 (de) * 1972-04-21 1975-08-21 Seitz Automaten Gmbh, 6550 Bad Kreuznach Münzauslösevorrichtung mit Münzrückgabe für Selbstverkäufer
JPS536046A (en) * 1976-07-07 1978-01-20 Sumitomo Electric Ind Ltd Optical transmission cable
AT349312B (de) * 1976-11-30 1979-03-26 Eumig Schalteinrichtung fuer projektionsleuchten
US4283658A (en) * 1979-06-13 1981-08-11 Bell & Howell Company Projection lamp control arrangement
JPS5624331A (en) * 1979-08-02 1981-03-07 Osawa Seimitsu Kogyo Kk Finder display device of camera
JPS5738402A (en) * 1980-08-19 1982-03-03 Canon Inc Display device of automatic focal point adjuster
JPS5739032A (en) * 1980-08-22 1982-03-04 Nippon Steel Corp Tip guiding type winding apparatus for metallic sheet
JPS57104918A (en) * 1980-12-22 1982-06-30 Canon Inc Range finder camera incorporating macrolens
JPS5997123A (ja) * 1982-11-27 1984-06-04 Iiyama Koshina:Kk カメラの合焦装置
DE3325042A1 (de) * 1983-07-12 1984-02-23 Kodak Ag, 7000 Stuttgart Selbstfokussiervorrichtung
JPS6024763A (ja) * 1983-07-20 1985-02-07 Ricoh Co Ltd シヤトル式カラ−読取走査装置
JPS60128314A (ja) * 1983-12-15 1985-07-09 Kubota Ltd 果実識別装置
JPS6167012A (ja) * 1984-09-08 1986-04-07 Canon Inc 焦点検出装置
JPS61140908A (ja) * 1984-12-13 1986-06-28 Olympus Optical Co Ltd 内視鏡における自動焦点調整装置
JPS61154377A (ja) * 1984-12-27 1986-07-14 Toshiba Corp 投写形表示システム
EP0192023A3 (de) * 1985-02-21 1986-10-08 Casio Computer Company Limited Flüssigkristallprojektor
JPS61240108A (ja) * 1985-04-17 1986-10-25 Canon Inc 距離検出装置
JPS61261710A (ja) * 1985-05-16 1986-11-19 Matsushita Electric Ind Co Ltd 画像投写装置
US4763044A (en) * 1986-01-23 1988-08-09 Hubbell Incorporated Start, hot restart and operating lamp circuit
US4925295A (en) * 1986-03-17 1990-05-15 Casio Computer Co., Ltd. Projection display apparatus
US4787737A (en) * 1986-03-26 1988-11-29 Casio Computer Co., Ltd. Projection display apparatus
JPS63316838A (ja) * 1987-06-19 1988-12-26 Minolta Camera Co Ltd 拡大投影装置における自動焦点調節装置
JP2555611B2 (ja) * 1987-06-26 1996-11-20 ミノルタ株式会社 マイクロ画像処理装置
US4941036A (en) * 1987-11-12 1990-07-10 Mitsubishi Denki Kabushiki Kaisha Command sensor in projection display apparatus
US5012274A (en) * 1987-12-31 1991-04-30 Eugene Dolgoff Active matrix LCD image projection system
JPH01204010A (ja) * 1988-02-10 1989-08-16 Topcon Corp 自動合焦投影装置
JP2835838B2 (ja) * 1988-02-23 1998-12-14 株式会社トプコン オートフォーカス投影装置
JPH0273241A (ja) * 1988-09-08 1990-03-13 Hitachi Ltd 投射形ディスプレイのスクリーン明るさ制御方法及び装置
JPH07113700B2 (ja) * 1988-09-28 1995-12-06 株式会社トプコン オートフォーカスプロジェクタ
FR2637386A1 (fr) * 1988-10-04 1990-04-06 Asahi Optical Co Ltd Dispositif de changement de mode pour appareil photographique
US4951131A (en) * 1989-02-21 1990-08-21 North American Philips Corp. Remote control for convergence of projection television
US5276523A (en) * 1990-03-08 1994-01-04 Canon Kabushiki Kaisha Liquid crystal television projector with automatic focus
JP3216644B2 (ja) * 1990-03-09 2001-10-09 オリンパス光学工業株式会社 実像投影式映像再生装置及び該装置に適用するための制御信号形成装置
JP2899059B2 (ja) * 1990-04-27 1999-06-02 キヤノン株式会社 投写型テレビジョン装置
JPH0470076A (ja) * 1990-07-09 1992-03-05 Mitsubishi Electric Corp フォーカス補正装置
JPH04124980A (ja) * 1990-09-17 1992-04-24 Sony Corp フロントプロジェクターのフォーカス調整装置
US5341176A (en) * 1991-05-31 1994-08-23 Seiko Epson Corporation Automatic focus adjuster for projection display systems having in-operation and end-of-operation symbols superimposed over video data
JP3267990B2 (ja) * 1991-09-18 2002-03-25 株式会社東芝 オンスクリーン表示回路

Also Published As

Publication number Publication date
DE69032887T2 (de) 1999-07-29
EP0425989A3 (en) 1991-10-30
JP3052318B2 (ja) 2000-06-12
EP0425989B1 (de) 1995-02-15
EP0425989A2 (de) 1991-05-08
USRE36060E (en) 1999-01-26
JPH03145288A (ja) 1991-06-20
DE69016926T2 (de) 1995-07-20
DE69032887D1 (de) 1999-02-18
EP0613296A1 (de) 1994-08-31
EP0613296B1 (de) 1999-01-07

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: HOFFMANN, E., DIPL.-ING., PAT.-ANW., 82166 GRAEFELFING

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee