DE69608020T2 - Videoprojektor - Google Patents

Videoprojektor

Info

Publication number
DE69608020T2
DE69608020T2 DE69608020T DE69608020T DE69608020T2 DE 69608020 T2 DE69608020 T2 DE 69608020T2 DE 69608020 T DE69608020 T DE 69608020T DE 69608020 T DE69608020 T DE 69608020T DE 69608020 T2 DE69608020 T2 DE 69608020T2
Authority
DE
Germany
Prior art keywords
video projector
projector
video
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
DE69608020T
Other languages
English (en)
Other versions
DE69608020D1 (de
Inventor
Atsushi Hatakeyama
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 DE69608020D1 publication Critical patent/DE69608020D1/de
Publication of DE69608020T2 publication Critical patent/DE69608020T2/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
    • H04N5/72—Modifying the appearance of television pictures by optical filters or diffusing screens
    • 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
    • H04N9/315—Modulator illumination systems
    • H04N9/3158—Modulator illumination systems for controlling the spectrum
    • 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)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Optical Filters (AREA)
DE69608020T 1995-03-16 1996-02-22 Videoprojektor Expired - Lifetime DE69608020T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5721395 1995-03-16

Publications (2)

Publication Number Publication Date
DE69608020D1 DE69608020D1 (de) 2000-06-08
DE69608020T2 true DE69608020T2 (de) 2000-09-28

Family

ID=13049253

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69608020T Expired - Lifetime DE69608020T2 (de) 1995-03-16 1996-02-22 Videoprojektor

Country Status (6)

Country Link
US (1) US5696564A (de)
EP (1) EP0732848B1 (de)
KR (1) KR100247117B1 (de)
CN (1) CN1087894C (de)
CA (1) CA2171164C (de)
DE (1) DE69608020T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6206532B1 (en) * 1996-10-17 2001-03-27 New Exciting Designs Limited High efficiency light source projection apparatus
JP3690006B2 (ja) * 1996-10-31 2005-08-31 ソニー株式会社 映像投射装置
US6273568B1 (en) * 1998-02-05 2001-08-14 Canon Kabushiki Kaisha Projection apparatus
KR100601608B1 (ko) * 1999-06-03 2006-07-14 삼성전자주식회사 칼라 프로젝트장치
JP3065081B1 (ja) * 1999-09-08 2000-07-12 セイコーエプソン株式会社 投写型表示装置
CN100382605C (zh) * 1999-10-08 2008-04-16 Lg电子株式会社 圆柱形彩色轮及其制造方法和采用它的投影仪
EP1149555A3 (de) * 2000-04-24 2002-04-17 Fuji Photo Film Co., Ltd. Fluoreszierendes Endoskopgerät
CN1216302C (zh) 2001-02-27 2005-08-24 精工爱普生株式会社 多层膜截止滤波器及其制造方法
US6698894B2 (en) * 2001-12-19 2004-03-02 Koninklijke Philips Electronics N.V. Scrolling color light engine with improved color uniformity of the illumination field and single panel projection display system incorporating same
JP4311103B2 (ja) * 2003-07-18 2009-08-12 株式会社日立製作所 投写型表示装置及びそれを用いた背面投写型表示装置
JP2005062778A (ja) * 2003-08-20 2005-03-10 Fujinon Corp 液晶プロジェクタ
AU2006287472A1 (en) * 2005-09-08 2007-03-15 Noarc, Llc Motion picture projector with electrodeless light source
US20070058137A1 (en) * 2005-09-15 2007-03-15 Ching-An Yang Projection display apparatus and optical filter
US8215799B2 (en) 2008-09-23 2012-07-10 Lsi Industries, Inc. Lighting apparatus with heat dissipation system
USD631183S1 (en) 2008-09-23 2011-01-18 Lsi Industries, Inc. Lighting fixture
US8628198B2 (en) * 2009-04-20 2014-01-14 Lsi Industries, Inc. Lighting techniques for wirelessly controlling lighting elements
US20100264314A1 (en) * 2009-04-20 2010-10-21 Lsi Industries, Inc. Lighting Techniques for Wirelessly Controlling Lighting Elements
JP6277728B2 (ja) * 2014-01-15 2018-02-14 セイコーエプソン株式会社 投射型表示装置および照明装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2780318B2 (ja) * 1989-03-28 1998-07-30 セイコーエプソン株式会社 投写型カラー表示装置
JPH0353221A (ja) * 1989-07-20 1991-03-07 Sharp Corp 投影型カラー画像表示装置
JPH07113709B2 (ja) * 1990-09-21 1995-12-06 松下電器産業株式会社 投写型表示装置
US5459592A (en) * 1992-04-24 1995-10-17 Sharp Kabushiki Kaisha Projection display system including a collimating tapered waveguide or lens with the normal to optical axis angle increasing toward the lens center
JPH06167705A (ja) * 1992-11-30 1994-06-14 Sanyo Electric Co Ltd 単板式液晶プロジェクター
US5260730A (en) * 1993-01-25 1993-11-09 Numa Corporation Optical overhead projector for electronic images
JPH06235883A (ja) * 1993-02-10 1994-08-23 Sony Corp 映像プロジェクタ装置

Also Published As

Publication number Publication date
EP0732848A2 (de) 1996-09-18
CA2171164C (en) 2002-05-28
KR100247117B1 (ko) 2000-03-15
DE69608020D1 (de) 2000-06-08
US5696564A (en) 1997-12-09
KR960036622A (ko) 1996-10-28
EP0732848A3 (de) 1996-11-13
CN1087894C (zh) 2002-07-17
CN1137214A (zh) 1996-12-04
CA2171164A1 (en) 1996-09-17
EP0732848B1 (de) 2000-05-03

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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