DE69714131T2 - LCD-Projektor - Google Patents

LCD-Projektor

Info

Publication number
DE69714131T2
DE69714131T2 DE69714131T DE69714131T DE69714131T2 DE 69714131 T2 DE69714131 T2 DE 69714131T2 DE 69714131 T DE69714131 T DE 69714131T DE 69714131 T DE69714131 T DE 69714131T DE 69714131 T2 DE69714131 T2 DE 69714131T2
Authority
DE
Germany
Prior art keywords
lcd projector
projector
lcd
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
DE69714131T
Other languages
English (en)
Other versions
DE69714131D1 (de
Inventor
Takehiro Okada
Shozo Aono
Masanari Hashimukai
Makoto Hoshino
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26445406&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69714131(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69714131D1 publication Critical patent/DE69714131D1/de
Application granted granted Critical
Publication of DE69714131T2 publication Critical patent/DE69714131T2/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
DE69714131T 1996-04-25 1997-04-23 LCD-Projektor Expired - Fee Related DE69714131T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10505096 1996-04-25
JP33176196A JP3331888B2 (ja) 1996-04-25 1996-12-12 液晶プロジェクション装置

Publications (2)

Publication Number Publication Date
DE69714131D1 DE69714131D1 (de) 2002-08-29
DE69714131T2 true DE69714131T2 (de) 2002-11-07

Family

ID=26445406

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69714131T Expired - Fee Related DE69714131T2 (de) 1996-04-25 1997-04-23 LCD-Projektor

Country Status (4)

Country Link
US (1) US5868483A (de)
EP (1) EP0804027B1 (de)
JP (1) JP3331888B2 (de)
DE (1) DE69714131T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU769428B2 (en) * 1999-01-29 2004-01-29 Matsushita Electric Industrial Co., Ltd. Liquid crystal projector
TW387566U (en) * 1999-03-19 2000-04-11 Acer Peripherals Inc Projection-display apparatus with adjustable brightness and uniformity
JP2001092009A (ja) * 1999-09-17 2001-04-06 Sony Corp プロジェクタ装置
JP4126524B2 (ja) * 2001-05-30 2008-07-30 フジノン株式会社 プロジェクタ装置
CN101551582B (zh) * 2008-04-02 2012-01-25 青岛海信电器股份有限公司 投影仪
CN101661151B (zh) * 2008-08-27 2012-03-14 鸿富锦精密工业（深圳）有限公司 投影机
CN110049641A (zh) * 2018-01-16 2019-07-23 孙俊华 一种超短焦投影仪机柜
JP6648242B1 (ja) 2018-11-13 2020-02-14 富士フイルム株式会社 投射装置
JP6650069B1 (ja) * 2019-10-15 2020-02-19 富士フイルム株式会社 投射装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4018520A (en) * 1975-04-15 1977-04-19 Gaf Corporation Projector focusing mechanism
JPH04298731A (ja) * 1990-12-03 1992-10-22 Sony Corp ポータブルプロジェクタ
EP0526653A1 (de) * 1991-02-22 1993-02-10 Seiko Epson Corporation Flüssigkristall projektor
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
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
JP3348732B2 (ja) * 1992-04-10 2002-11-20 ソニー株式会社 プロジェクタ
JP3300963B2 (ja) * 1993-10-20 2002-07-08 富士写真光機株式会社 撮影レンズのマウント機構
JPH0933880A (ja) * 1995-07-20 1997-02-07 Fujitsu General Ltd 液晶プロジェクタ
US5642927A (en) * 1995-11-22 1997-07-01 Lightware, Inc. LCD projector with retractable projection lens assembly
US5669688A (en) * 1996-06-07 1997-09-23 Proxima Corporation Display panel projector and method of using same

Also Published As

Publication number Publication date
JP3331888B2 (ja) 2002-10-07
US5868483A (en) 1999-02-09
DE69714131D1 (de) 2002-08-29
JPH1010643A (ja) 1998-01-16
EP0804027A3 (de) 1999-07-14
EP0804027B1 (de) 2002-07-24
EP0804027A2 (de) 1997-10-29

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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