DE69723037D1 - Flüssigkristallvideoprojektor - Google Patents

Flüssigkristallvideoprojektor

Info

Publication number
DE69723037D1
DE69723037D1 DE69723037T DE69723037T DE69723037D1 DE 69723037 D1 DE69723037 D1 DE 69723037D1 DE 69723037 T DE69723037 T DE 69723037T DE 69723037 T DE69723037 T DE 69723037T DE 69723037 D1 DE69723037 D1 DE 69723037D1
Authority
DE
Germany
Prior art keywords
liquid crystal
crystal projector
projector video
video
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
DE69723037T
Other languages
English (en)
Other versions
DE69723037T2 (de
Inventor
Takehiro Okada
Makoto Hoshino
Shozo Aono
Takanobu Taniyama
Masanari Hashimukai
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial 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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69723037D1 publication Critical patent/DE69723037D1/de
Publication of DE69723037T2 publication Critical patent/DE69723037T2/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
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Transforming Electric Information Into Light Information (AREA)
DE69723037T 1996-12-06 1997-11-26 Flüssigkristallvideoprojektor Expired - Fee Related DE69723037T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP32640196 1996-12-06
JP8326401A JPH10171044A (ja) 1996-12-06 1996-12-06 液晶プロジェクション装置

Publications (2)

Publication Number Publication Date
DE69723037D1 true DE69723037D1 (de) 2003-07-31
DE69723037T2 DE69723037T2 (de) 2004-05-06

Family

ID=18187391

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69723037T Expired - Fee Related DE69723037T2 (de) 1996-12-06 1997-11-26 Flüssigkristallvideoprojektor

Country Status (6)

Country Link
US (1) US5895110A (de)
EP (1) EP0847205B1 (de)
JP (1) JPH10171044A (de)
KR (1) KR100505307B1 (de)
CN (1) CN1110193C (de)
DE (1) DE69723037T2 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3876445B2 (ja) * 1996-09-19 2007-01-31 セイコーエプソン株式会社 プロジェクタ
JP3872590B2 (ja) * 1998-02-27 2007-01-24 三菱電機株式会社 投射型映像表示装置
JP2000112021A (ja) * 1998-10-01 2000-04-21 Canon Inc 投写型表示装置
JP3574575B2 (ja) * 1998-11-20 2004-10-06 ペンタックス株式会社 画像投影装置
AU769428B2 (en) * 1999-01-29 2004-01-29 Matsushita Electric Industrial Co., Ltd. Liquid crystal projector
JP2000231154A (ja) * 1999-02-10 2000-08-22 Hitachi Ltd 表示装置及び表示光学系部
JP3606094B2 (ja) * 1999-02-25 2005-01-05 セイコーエプソン株式会社 投写型表示装置
TW472491B (en) * 1999-03-19 2002-01-11 Seiko Epson Corp Projection system and projector
JP4530500B2 (ja) 2000-08-03 2010-08-25 パナソニック株式会社 投写レンズシフト機構
DE20109394U1 (de) 2001-06-06 2001-08-16 Zeiss Carl Jena Gmbh Projektionsanordnung
US6869186B2 (en) 2002-03-28 2005-03-22 Seiko Epson Corporation Optical device and projector
US7164546B2 (en) 2002-04-24 2007-01-16 Sanyo Electric Co., Ltd. Lens shift mechanism and projection type video display
JP4009851B2 (ja) * 2002-05-20 2007-11-21 セイコーエプソン株式会社 投写型画像表示システム、プロジェクタ、プログラム、情報記憶媒体および画像投写方法
US7090360B2 (en) 2003-07-28 2006-08-15 Seiko Epson Corporation Projector
JP4321157B2 (ja) 2003-07-31 2009-08-26 株式会社日立製作所 投射型表示装置
TWM246632U (en) * 2003-09-10 2004-10-11 Young Optics Inc Shifting apparatus for projection lens
JP3642338B2 (ja) * 2003-09-24 2005-04-27 セイコーエプソン株式会社 光学装置及びプロジェクタ
CN100447652C (zh) * 2003-10-14 2008-12-31 扬明光学股份有限公司 镜头移动调整装置
KR100571779B1 (ko) 2003-11-27 2006-04-18 삼성전자주식회사 프로젝터의 투사렌즈 시프트 조정장치
US7021771B2 (en) * 2004-04-12 2006-04-04 Hewlett-Packard Development Company, L.P. Display device for projecting an image alternatively onto a remote surface and a rear projection screen
JP4994583B2 (ja) * 2004-09-02 2012-08-08 キヤノン株式会社 移動装置及び投射装置
JP3889764B2 (ja) * 2005-03-28 2007-03-07 三洋電機株式会社 投写型映像表示装置
JP2005258456A (ja) * 2005-04-04 2005-09-22 Canon Inc 投写型表示装置
JP3889771B2 (ja) * 2005-07-11 2007-03-07 三洋電機株式会社 投写型映像表示装置
JP4555245B2 (ja) * 2006-03-20 2010-09-29 Ｎｅｃディスプレイソリューションズ株式会社 レンズシフト機構と投射型表示装置
TW200736804A (en) * 2006-03-28 2007-10-01 Coretronic Corp Projection device
CN100589023C (zh) * 2006-05-18 2010-02-10 中强光电股份有限公司 投影装置
JP2009229509A (ja) * 2008-03-19 2009-10-08 Fuji Xerox Co Ltd 光学装置及び光学システム
JP4624449B2 (ja) * 2008-08-20 2011-02-02 三洋電機株式会社 投写型映像表示装置
JP5102162B2 (ja) * 2008-09-12 2012-12-19 株式会社Ｓｕｗａオプトロニクス 鏡筒支持装置および投射型表示装置
JP5436080B2 (ja) * 2009-07-21 2014-03-05 キヤノン株式会社 画像投射装置
JP5383630B2 (ja) * 2010-11-15 2014-01-08 キヤノン株式会社 画像投射装置
JP5950639B2 (ja) * 2012-03-13 2016-07-13 日東光学株式会社 ホルダーおよびホルダーを有するプロジェクタ
TWI443438B (zh) * 2012-05-04 2014-07-01 Young Optics Inc 投影系統
CN103424962B (zh) * 2012-05-18 2016-05-04 三洋科技中心(深圳)有限公司 投影机镜头的调节结构
US10082729B2 (en) * 2016-09-29 2018-09-25 Seiko Epson Corporation Projector

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4606628A (en) * 1984-12-04 1986-08-19 Vivid Systems Incorporated Video projector lens angulation mechanism
US4744652A (en) * 1986-12-22 1988-05-17 Schneider Corporation Of America Focusing system for a transparency projector
JPH01304443A (ja) * 1988-06-01 1989-12-08 Minolta Camera Co Ltd レンズ鏡筒の移動装置
JPH02287586A (ja) * 1989-04-28 1990-11-27 Sony Corp 液晶プロジェクタ
US5096288A (en) * 1989-09-19 1992-03-17 Canon Kabushiki Kaisha Projection apparatus
US5285287A (en) * 1991-06-14 1994-02-08 Mitsubishi Denki Kabushiki Kaisha Projecting method for picture display apparatus
JPH0521246A (ja) * 1991-07-12 1993-01-29 Hitachi Lighting Ltd 防水形安定器ケースの製造方法
JP2565027B2 (ja) * 1991-08-02 1996-12-18 カシオ計算機株式会社 投影型表示装置
JPH0540309A (ja) * 1991-08-06 1993-02-19 Sony Corp プロジエクタ光学系調整機構
JP2745926B2 (ja) * 1992-01-27 1998-04-28 富士写真フイルム株式会社 モニタ画面付きビデオプロジェクタ
JP3268886B2 (ja) * 1993-05-21 2002-03-25 三洋電機株式会社 投写型画像表示装置
US5599083A (en) * 1993-12-17 1997-02-04 Mort; Christopher H. J. Projection apparatus
JPH08129227A (ja) * 1994-10-26 1996-05-21 Texas Instr Inc <Ti> 光変調器装置及びプロジエクタ装置
JPH08160488A (ja) * 1994-12-02 1996-06-21 Canon Inc ティルト・シフト連動機構及び光学装置
US5642927A (en) * 1995-11-22 1997-07-01 Lightware, Inc. LCD projector with retractable projection lens assembly

Also Published As

Publication number Publication date
US5895110A (en) 1999-04-20
EP0847205A3 (de) 2000-01-19
EP0847205B1 (de) 2003-06-25
JPH10171044A (ja) 1998-06-26
CN1110193C (zh) 2003-05-28
DE69723037T2 (de) 2004-05-06
EP0847205A2 (de) 1998-06-10
CN1188370A (zh) 1998-07-22
KR100505307B1 (ko) 2005-09-26
KR19980063831A (ko) 1998-10-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8339 Ceased/non-payment of the annual fee