DE60025543D1 - Flüssigkristall-Projektor - Google Patents

Flüssigkristall-Projektor

Info

Publication number
DE60025543D1
DE60025543D1 DE60025543T DE60025543T DE60025543D1 DE 60025543 D1 DE60025543 D1 DE 60025543D1 DE 60025543 T DE60025543 T DE 60025543T DE 60025543 T DE60025543 T DE 60025543T DE 60025543 D1 DE60025543 D1 DE 60025543D1
Authority
DE
Germany
Prior art keywords
liquid crystal
crystal projector
projector
liquid
crystal
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
DE60025543T
Other languages
English (en)
Other versions
DE60025543T2 (de
Inventor
Takehiro Okada
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
Publication of DE60025543D1 publication Critical patent/DE60025543D1/de
Application granted granted Critical
Publication of DE60025543T2 publication Critical patent/DE60025543T2/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]
    • H04N9/3141—Constructional details thereof
    • 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
    • G03B33/00—Colour photography, other than mere exposure or projection of a colour film
    • G03B33/10—Simultaneous recording or projection
    • G03B33/12—Simultaneous recording or projection using beam-splitting or beam-combining systems, e.g. dichroic mirrors
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
DE60025543T 1999-01-29 2000-01-25 Flüssigkristallprojektor Expired - Fee Related DE60025543T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2190199 1999-01-29
JP2190199 1999-01-29
JP27238399 1999-09-27
JP27238399 1999-09-27

Publications (2)

Publication Number Publication Date
DE60025543D1 true DE60025543D1 (de) 2006-04-06
DE60025543T2 DE60025543T2 (de) 2006-10-05

Family

ID=26359042

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60025543T Expired - Fee Related DE60025543T2 (de) 1999-01-29 2000-01-25 Flüssigkristallprojektor

Country Status (6)

Country Link
US (1) US6364491B1 (de)
EP (1) EP1024395B1 (de)
KR (1) KR100499206B1 (de)
CN (1) CN1262458A (de)
AU (1) AU769428B2 (de)
DE (1) DE60025543T2 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2350527C (en) * 1999-12-24 2008-02-05 Matsushita Electric Industrial Co., Ltd. Projector
DE10127620A1 (de) 2001-06-07 2002-12-12 Zeiss Carl Jena Gmbh Anordnung zum Projizieren eines mehrfarbigen Bildes auf eine Projektionsfläche
DE10127621A1 (de) 2001-06-07 2002-12-12 Zeiss Carl Jena Gmbh Anordnung zum Projizieren eines Bildes auf eine Projektionsfläche
DE10127617A1 (de) 2001-06-07 2002-12-12 Zeiss Carl Jena Gmbh Projektionsanordnung
KR100414041B1 (ko) * 2001-08-11 2004-01-07 삼성테크윈 주식회사 렌즈 배럴 어셈블리 및 그 제조방법
KR100433534B1 (ko) * 2002-01-09 2004-05-31 삼성전자주식회사 프로젝션 텔레비전의 투사렌즈 유닛
US7164546B2 (en) 2002-04-24 2007-01-16 Sanyo Electric Co., Ltd. Lens shift mechanism and projection type video display
JP3091803U (ja) * 2002-07-31 2003-02-21 船井電機株式会社 プロジェクタ
US7090360B2 (en) * 2003-07-28 2006-08-15 Seiko Epson Corporation Projector
CN100424584C (zh) * 2004-06-03 2008-10-08 精工爱普生株式会社 投影机
WO2006030862A1 (ja) * 2004-09-17 2006-03-23 Nikon Corporation 電子機器
US7264362B2 (en) 2005-03-17 2007-09-04 Hewlett-Packard Development Company, L.P. Lens cover
US7306343B2 (en) * 2005-04-22 2007-12-11 Hewlett-Packard Development Company, L.P. Image rotator
TWI259933B (en) * 2005-05-19 2006-08-11 Benq Corp Apparatus and method thereof for actuating object
TWI300160B (en) * 2005-10-07 2008-08-21 Coretronic Corp Projection apparatus
US20070091452A1 (en) * 2005-10-25 2007-04-26 Scott Lerner Projection system and method
JP2007219352A (ja) * 2006-02-20 2007-08-30 Seiko Epson Corp プロジェクタ
TW200736804A (en) * 2006-03-28 2007-10-01 Coretronic Corp Projection device
EP1870753A1 (de) * 2006-06-22 2007-12-26 BCI Finanz AG Aus mehreren optischen Baugruppen gebildetes Projektionsobjektiv mit fester Brennweite für die digitale Projektion
US7782557B2 (en) * 2006-06-23 2010-08-24 Hoya Corporation Lens position adjusting device
CN100592186C (zh) * 2007-04-16 2010-02-24 奇菱科技股份有限公司 镜头双轴向调整机构
TW200951610A (en) * 2008-06-03 2009-12-16 Coretronic Corp Positioning device for integrator rod
TWM352059U (en) * 2008-06-18 2009-03-01 Coretronic Corp Lens adjusting device of projector
JP5228959B2 (ja) * 2009-02-05 2013-07-03 セイコーエプソン株式会社 プロジェクター
KR20100099560A (ko) * 2009-03-03 2010-09-13 삼성전자주식회사 렌즈 배럴 및 이를 구비한 광학장치
JP5782526B2 (ja) * 2011-11-11 2015-09-24 日立マクセル株式会社 投写型映像表示装置
CN102881197A (zh) * 2012-08-15 2013-01-16 无锡羿飞科技有限公司 一种球幕/穹顶两用多媒体投影演示系统
CN102968914A (zh) * 2012-11-30 2013-03-13 无锡羿飞科技有限公司 一种球幕穹顶两用多媒体球幕投影演示仪
JP6657100B2 (ja) * 2014-09-25 2020-03-04 日本電産コパル株式会社 撮像装置、光学機器、電子機器、車両および撮像装置の製造方法
JP6988770B2 (ja) 2018-11-12 2022-01-05 セイコーエプソン株式会社 投射型表示装置およびレンズ保持機構

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429164A (en) * 1944-05-18 1947-10-14 Jam Handy Organization Inc Adjustable lens mount for projection apparatus
GB920850A (en) * 1960-12-06 1963-03-13 Kamera & Kinowerke Dresden Veb An objective lens mounting for projectors
DE2553861A1 (de) * 1975-11-29 1977-06-08 Zeiss Carl Fa Photographische kamera mit wechselobjektiv
JPS57172432U (de) * 1981-04-27 1982-10-30
US4607924A (en) * 1984-12-04 1986-08-26 Vivid Systems Incorporated Video projector focus adjustment mechanism
US4744652A (en) * 1986-12-22 1988-05-17 Schneider Corporation Of America Focusing system for a transparency projector
US4863263A (en) * 1987-02-13 1989-09-05 Minolta Camera Kabushiki Kaisha Overhead projector
JPH04112245U (ja) * 1991-03-15 1992-09-30 シチズン時計株式会社 液晶プロジエクターの投映レンズ稼動構造
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
JP3364953B2 (ja) * 1992-06-29 2003-01-08 セイコーエプソン株式会社 プロジェクター
JPH0643417A (ja) * 1992-07-23 1994-02-18 Seiko Epson Corp 液晶プロジェクタ
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
JPH071408U (ja) * 1993-06-07 1995-01-10 キヤノン株式会社 投射レンズのティルト・シフト連動機構
KR970011873B1 (ko) * 1994-09-08 1997-07-18 대우전자 주식회사 3빔분리방식 프로젝터의 투사각조정장치
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
JPH09138377A (ja) 1995-11-14 1997-05-27 Sanyo Electric Co Ltd 液晶プロジェクタ
JP3331888B2 (ja) * 1996-04-25 2002-10-07 松下電器産業株式会社 液晶プロジェクション装置
KR100200143B1 (ko) * 1996-07-31 1999-06-15 전주범 프로젝터의 투사각조절장치
JPH10171044A (ja) 1996-12-06 1998-06-26 Matsushita Electric Ind Co Ltd 液晶プロジェクション装置
JP3000977B2 (ja) * 1997-10-27 2000-01-17 セイコーエプソン株式会社 プロジェクタ

Also Published As

Publication number Publication date
EP1024395A3 (de) 2003-06-11
US6364491B1 (en) 2002-04-02
EP1024395A2 (de) 2000-08-02
KR100499206B1 (ko) 2005-07-07
EP1024395B1 (de) 2006-01-18
KR20000053608A (ko) 2000-08-25
AU769428B2 (en) 2004-01-29
CN1262458A (zh) 2000-08-09
DE60025543T2 (de) 2006-10-05
AU1352500A (en) 2000-08-03

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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