JP4645101B2 - プロジェクタ - Google Patents

プロジェクタ Download PDF

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Publication number
JP4645101B2
JP4645101B2 JP2004247710A JP2004247710A JP4645101B2 JP 4645101 B2 JP4645101 B2 JP 4645101B2 JP 2004247710 A JP2004247710 A JP 2004247710A JP 2004247710 A JP2004247710 A JP 2004247710A JP 4645101 B2 JP4645101 B2 JP 4645101B2
Authority
JP
Japan
Prior art keywords
reflector
light
projector
wind direction
cooling air
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
JP2004247710A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005234523A5 (enExample
JP2005234523A (ja
Inventor
達雄 森田
幹夫 白石
哲樹 西村
英樹 奥山
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2004247710A priority Critical patent/JP4645101B2/ja
Priority to US10/964,631 priority patent/US7293878B2/en
Priority to CN2009101293598A priority patent/CN101526725B/zh
Priority to CNB2004100866231A priority patent/CN100487565C/zh
Publication of JP2005234523A publication Critical patent/JP2005234523A/ja
Publication of JP2005234523A5 publication Critical patent/JP2005234523A5/ja
Application granted granted Critical
Publication of JP4645101B2 publication Critical patent/JP4645101B2/ja
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
    • 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/16—Cooling; Preventing overheating
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP2004247710A 2004-01-23 2004-08-27 プロジェクタ Expired - Fee Related JP4645101B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2004247710A JP4645101B2 (ja) 2004-01-23 2004-08-27 プロジェクタ
US10/964,631 US7293878B2 (en) 2004-01-23 2004-10-15 Projector having an image display element
CN2009101293598A CN101526725B (zh) 2004-01-23 2004-10-29 光源装置和使用它的投影仪
CNB2004100866231A CN100487565C (zh) 2004-01-23 2004-10-29 光源装置和使用它的投影仪

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004015114 2004-01-23
JP2004247710A JP4645101B2 (ja) 2004-01-23 2004-08-27 プロジェクタ

Publications (3)

Publication Number Publication Date
JP2005234523A JP2005234523A (ja) 2005-09-02
JP2005234523A5 JP2005234523A5 (enExample) 2007-04-19
JP4645101B2 true JP4645101B2 (ja) 2011-03-09

Family

ID=34797779

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004247710A Expired - Fee Related JP4645101B2 (ja) 2004-01-23 2004-08-27 プロジェクタ

Country Status (3)

Country Link
US (1) US7293878B2 (enExample)
JP (1) JP4645101B2 (enExample)
CN (2) CN100487565C (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7380965B2 (en) * 2004-09-17 2008-06-03 Canon Kabushiki Kaisha Light source apparatus, optical apparatus, and image projection apparatus
TW200639566A (en) * 2005-05-10 2006-11-16 Young Optics Inc Heat dissipation structure for projector
KR101135889B1 (ko) * 2006-01-23 2012-04-13 삼성전자주식회사 디스플레이장치 및 그 제조방법
US7559657B2 (en) * 2006-01-30 2009-07-14 Infocus Corporation Projection device
US7758648B2 (en) * 2006-04-27 2010-07-20 Warsaw Orthopedic, Inc. Stabilized, adjustable expandable implant and method
US9140968B2 (en) * 2007-06-29 2015-09-22 Seiko Epson Corporation Projection device particle-containment shield
TWI346832B (en) * 2007-07-25 2011-08-11 Delta Electronics Inc Illumination system adapted for a projection apparatus and cooling air guiding apparatus thereof
CN101359160B (zh) * 2007-08-01 2010-06-09 台达电子工业股份有限公司 用于投影装置的照明系统及其冷却气流导引装置
US20100067237A1 (en) * 2008-09-16 2010-03-18 Kabushiki Kaisha Toshiba Light source device
JP2010135211A (ja) * 2008-12-05 2010-06-17 Sanyo Electric Co Ltd 光源装置およびプロジェクタ
US8395306B2 (en) * 2009-06-18 2013-03-12 Seiko Epson Corporation Light source unit and projector
TWI409575B (zh) * 2009-07-20 2013-09-21 Qisda Corp 單風扇投影裝置
CN101988660B (zh) * 2009-08-07 2014-03-26 扬光绿能股份有限公司 灯源模组及投影系统
JP2011185993A (ja) * 2010-03-04 2011-09-22 Sanyo Electric Co Ltd 投写型映像表示装置
US8851683B2 (en) * 2010-03-10 2014-10-07 Nec Display Solutions, Ltd. Light source device and projection-type display device
JP5678451B2 (ja) * 2010-03-29 2015-03-04 セイコーエプソン株式会社 プロジェクター
CN101963746B (zh) * 2010-08-10 2012-09-19 苏州佳世达光电有限公司 光源模组及投影机
TWI434124B (zh) * 2010-09-16 2014-04-11 Delta Electronics Inc 引導裝置及包含該引導裝置之投影機
JP5810732B2 (ja) * 2011-03-22 2015-11-11 セイコーエプソン株式会社 光源装置、及びプロジェクター
WO2012172615A1 (ja) * 2011-06-17 2012-12-20 日立コンシューマエレクトロニクス株式会社 投射型映像表示装置
JP6179792B2 (ja) 2013-02-26 2017-08-16 株式会社リコー 光源装置及びこれを備えた画像投射装置
US10375901B2 (en) 2014-12-09 2019-08-13 Mtd Products Inc Blower/vacuum
CN111532024B (zh) * 2020-03-26 2021-12-28 东莞市汇创智能装备有限公司 Uv固化机及其uv灯箱

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4925295A (en) * 1986-03-17 1990-05-15 Casio Computer Co., Ltd. Projection display apparatus
JPH08262573A (ja) 1995-03-20 1996-10-11 Fujitsu General Ltd ランプハウス
JP3806959B2 (ja) * 1995-11-14 2006-08-09 東芝ライテック株式会社 照明装置
JPH1027518A (ja) 1996-07-11 1998-01-27 Fujitsu Ltd 光源装置、冷却方法および投射表示装置
DE69726556T2 (de) * 1996-10-04 2004-11-04 Seiko Epson Corp. Projektionsanzeigevorrichtung
JP2000200511A (ja) * 1998-10-30 2000-07-18 Phoenix Denki Kk 放電灯
JP4086399B2 (ja) * 1999-01-29 2008-05-14 富士通株式会社 投射型表示装置
JP2001125195A (ja) * 1999-10-27 2001-05-11 Hitachi Ltd 光源装置及びこれを用いる表示装置
JP2001266637A (ja) * 2000-03-22 2001-09-28 Nikon Corp 光源装置
US6840633B2 (en) * 2000-11-30 2005-01-11 Texas Instruments Incorporated Lamp reflector assembly
JP2002189247A (ja) 2000-12-20 2002-07-05 Sony Corp ランプユニット及びこれを備えた投射型表示装置
US6527417B2 (en) * 2001-03-28 2003-03-04 Infocus Corporation Lamp assembly with vaned lamp collar
JP3956648B2 (ja) * 2001-05-30 2007-08-08 セイコーエプソン株式会社 光源装置、ランプユニット及びプロジェクタ
JP2005173085A (ja) * 2003-12-10 2005-06-30 Mitsubishi Electric Corp 光源装置およびこれを用いたプロジェクター

Also Published As

Publication number Publication date
US7293878B2 (en) 2007-11-13
US20050162618A1 (en) 2005-07-28
CN100487565C (zh) 2009-05-13
CN101526725B (zh) 2012-07-04
JP2005234523A (ja) 2005-09-02
CN101526725A (zh) 2009-09-09
CN1645249A (zh) 2005-07-27

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