CN1261812C - 投影机 - Google Patents

投影机 Download PDF

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Publication number
CN1261812C
CN1261812C CN03100872.0A CN03100872A CN1261812C CN 1261812 C CN1261812 C CN 1261812C CN 03100872 A CN03100872 A CN 03100872A CN 1261812 C CN1261812 C CN 1261812C
Authority
CN
China
Prior art keywords
projector
lens
mentioned
light
lens barrel
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
CN03100872.0A
Other languages
English (en)
Chinese (zh)
Other versions
CN1434345A (zh
Inventor
中野宽久
西田和弘
津田昌秀
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 CN1434345A publication Critical patent/CN1434345A/zh
Application granted granted Critical
Publication of CN1261812C publication Critical patent/CN1261812C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • 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]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Transforming Electric Information Into Light Information (AREA)
CN03100872.0A 2002-01-23 2003-01-23 投影机 Expired - Fee Related CN1261812C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP014827/2002 2002-01-23
JP2002014827A JP2003215702A (ja) 2002-01-23 2002-01-23 プロジェクタ

Publications (2)

Publication Number Publication Date
CN1434345A CN1434345A (zh) 2003-08-06
CN1261812C true CN1261812C (zh) 2006-06-28

Family

ID=27651397

Family Applications (1)

Application Number Title Priority Date Filing Date
CN03100872.0A Expired - Fee Related CN1261812C (zh) 2002-01-23 2003-01-23 投影机

Country Status (3)

Country Link
US (1) US6793346B2 (enExample)
JP (1) JP2003215702A (enExample)
CN (1) CN1261812C (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8246176B2 (en) 2007-03-06 2012-08-21 Sanyo Electric Co., Ltd. Projection display device having an operation section for displacing a lens
TWI842477B (zh) * 2022-08-21 2024-05-11 奇景光電股份有限公司 可切換投影機模組

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA102490S (en) * 2002-09-24 2004-01-05 Toshiba Also Trading As Toshiba Corp Kk Liquid crystal projector
USD506770S1 (en) * 2002-11-27 2005-06-28 Sharp Kabushiki Kaisha Video projector
USD494994S1 (en) * 2002-12-03 2004-08-24 Infocus Corporation Projection device
KR100601639B1 (ko) * 2003-06-24 2006-07-14 삼성전자주식회사 화상투사장치
JP2005025071A (ja) * 2003-07-04 2005-01-27 Fujinon Corp 液晶プロジェクタ
USD507008S1 (en) * 2003-10-30 2005-07-05 3M Innovative Properties Company Electronic projection system
JP4204500B2 (ja) * 2004-03-23 2009-01-07 三洋電機株式会社 投写型映像表示装置
TWD103966S1 (zh) * 2004-06-03 2005-04-01 明基電通股份有限公司 投影機
USD539326S1 (en) 2004-08-16 2007-03-27 Infocus Corporation Projection device
US7408727B2 (en) 2004-09-17 2008-08-05 Nittoh Kogaku K.K. Lens holder and lens unit
TWD105889S1 (zh) * 2004-10-12 2005-08-01 明基電通股份有限公司 投影機
USD556237S1 (en) * 2004-10-20 2007-11-27 Hewlett-Packard Development Company, L.P. Projector
JP2006154523A (ja) * 2004-11-30 2006-06-15 Fuji Photo Film Co Ltd 撮影装置
USD522561S1 (en) * 2005-01-05 2006-06-06 Seiko Epson Corporation Projector
JP2006292898A (ja) * 2005-04-07 2006-10-26 Sharp Corp 電気機器、電気機器本体、遠隔操作器及びプロジェクタ
USD552656S1 (en) * 2005-05-18 2007-10-09 Nec Display Solutions, Ltd. Projector
USD579476S1 (en) * 2005-05-18 2008-10-28 Nec Display Solutions, Ltd. Projector
TWM288015U (en) * 2005-08-26 2006-02-21 Inventec Appliances Corp Mobile phone antenna
TW200712735A (en) * 2005-09-16 2007-04-01 Coretronic Corp Projector
TWI268756B (en) * 2005-11-23 2006-12-11 Benq Corp Electromagnetic interference shielding slice of digital light processing projection devices
JP2007200109A (ja) 2006-01-27 2007-08-09 Seiko Epson Corp 電子機器およびｕｓｂ機器
JP2007219352A (ja) * 2006-02-20 2007-08-30 Seiko Epson Corp プロジェクタ
TWI310868B (en) * 2006-04-19 2009-06-11 Benq Corp Projector
US8035630B2 (en) 2006-10-13 2011-10-11 Seiko Epson Corporation USB image transmission system and device
USD565629S1 (en) * 2007-01-10 2008-04-01 Matsushita Electric Industrial Co., Ltd. LCD video projector
TWD121893S1 (zh) * 2007-03-05 2008-03-11 精工愛普生股份有限公司 投影機
JP4901595B2 (ja) * 2007-03-06 2012-03-21 三洋電機株式会社 投写型表示装置
USD565077S1 (en) * 2007-05-30 2008-03-25 Seiko Epson Corporation Projector
TWD128539S1 (zh) * 2008-02-27 2009-05-01 精工愛普生股份有限公司 投影機
CN101520597B (zh) * 2008-02-28 2012-06-20 鸿富锦精密工业（深圳）有限公司 导流遮光栅及其应用的投影装置
US8055003B2 (en) 2008-04-01 2011-11-08 Apple Inc. Acoustic systems for electronic devices
USD614684S1 (en) * 2009-01-28 2010-04-27 Seiko Epson Corporation Projector
USD669521S1 (en) * 2010-11-01 2012-10-23 Delta Electronics, Inc. Projector
TWI443440B (zh) * 2011-01-14 2014-07-01 Delta Electronics Inc 散熱總成及具該散熱總成之投影裝置
GB2492081B (en) * 2011-06-20 2014-11-19 Canon Kk Antenna lens including holes and different permittivity layers
JP2015004866A (ja) * 2013-06-21 2015-01-08 株式会社リコー 画像投射装置
CN103984194B (zh) * 2014-03-21 2016-04-06 苏州佳世达光电有限公司 投影仪
CN110515172A (zh) * 2019-09-03 2019-11-29 青岛海信激光显示股份有限公司 投影设备及镜头
JP7706441B2 (ja) * 2020-03-31 2025-07-11 サターン ライセンシング エルエルシー 表示装置
WO2024136797A1 (en) * 2022-12-21 2024-06-27 Al-Kor Makina Kalip Sanayi Ve Ticaret A.S. An improvement in a projection device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3976812B2 (ja) 1995-03-09 2007-09-19 セイコーエプソン株式会社 偏光照明装置および投写型表示装置
JP3598752B2 (ja) * 1996-10-04 2004-12-08 セイコーエプソン株式会社 投写型表示装置
JP3663928B2 (ja) * 1998-02-26 2005-06-22 セイコーエプソン株式会社 光源ランプユニットおよび投写型表示装置
JP3608428B2 (ja) * 1999-04-15 2005-01-12 セイコーエプソン株式会社 投写型表示装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8246176B2 (en) 2007-03-06 2012-08-21 Sanyo Electric Co., Ltd. Projection display device having an operation section for displacing a lens
TWI842477B (zh) * 2022-08-21 2024-05-11 奇景光電股份有限公司 可切換投影機模組

Also Published As

Publication number Publication date
US20030164926A1 (en) 2003-09-04
JP2003215702A (ja) 2003-07-30
CN1434345A (zh) 2003-08-06
US6793346B2 (en) 2004-09-21

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060628

Termination date: 20190123

CF01 Termination of patent right due to non-payment of annual fee