JP5197117B2 - 画像投射装置および画像表示システム - Google Patents

画像投射装置および画像表示システム Download PDF

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Publication number
JP5197117B2
JP5197117B2 JP2008102474A JP2008102474A JP5197117B2 JP 5197117 B2 JP5197117 B2 JP 5197117B2 JP 2008102474 A JP2008102474 A JP 2008102474A JP 2008102474 A JP2008102474 A JP 2008102474A JP 5197117 B2 JP5197117 B2 JP 5197117B2
Authority
JP
Japan
Prior art keywords
air
lamp
light
exhaust
reflector
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
JP2008102474A
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English (en)
Japanese (ja)
Other versions
JP2009251508A (ja
JP2009251508A5 (enExample
Inventor
大輔 中下
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2008102474A priority Critical patent/JP5197117B2/ja
Priority to US12/419,185 priority patent/US8511833B2/en
Priority to EP09005118.6A priority patent/EP2108997B1/en
Publication of JP2009251508A publication Critical patent/JP2009251508A/ja
Publication of JP2009251508A5 publication Critical patent/JP2009251508A5/ja
Application granted granted Critical
Publication of JP5197117B2 publication Critical patent/JP5197117B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP2008102474A 2008-04-10 2008-04-10 画像投射装置および画像表示システム Expired - Fee Related JP5197117B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2008102474A JP5197117B2 (ja) 2008-04-10 2008-04-10 画像投射装置および画像表示システム
US12/419,185 US8511833B2 (en) 2008-04-10 2009-04-06 Image projection apparatus
EP09005118.6A EP2108997B1 (en) 2008-04-10 2009-04-07 Image projection apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008102474A JP5197117B2 (ja) 2008-04-10 2008-04-10 画像投射装置および画像表示システム

Publications (3)

Publication Number Publication Date
JP2009251508A JP2009251508A (ja) 2009-10-29
JP2009251508A5 JP2009251508A5 (enExample) 2012-09-06
JP5197117B2 true JP5197117B2 (ja) 2013-05-15

Family

ID=40886757

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008102474A Expired - Fee Related JP5197117B2 (ja) 2008-04-10 2008-04-10 画像投射装置および画像表示システム

Country Status (3)

Country Link
US (1) US8511833B2 (enExample)
EP (1) EP2108997B1 (enExample)
JP (1) JP5197117B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3141950A1 (en) 2015-09-09 2017-03-15 Ricoh Company, Ltd. Image projection apparatus

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011099991A (ja) * 2009-11-06 2011-05-19 Nippon Avionics Co Ltd 投射型表示装置
JP2012073526A (ja) * 2010-09-29 2012-04-12 Sanyo Electric Co Ltd 投写型映像表示装置
EP3056803B1 (en) * 2011-09-01 2018-06-06 Koito Manufacturing Co., Ltd. Automotive headlamp apparatus
JP2013195668A (ja) * 2012-03-19 2013-09-30 Ricoh Co Ltd 画像投影装置
JP6086286B2 (ja) * 2012-08-23 2017-03-01 株式会社リコー 画像投影装置
JP2014095811A (ja) * 2012-11-09 2014-05-22 Ricoh Co Ltd 画像投射装置
JP5637469B1 (ja) 2013-10-02 2014-12-10 株式会社リコー 画像投射装置
CN106462043B (zh) * 2014-07-15 2018-07-20 精工爱普生株式会社 光源装置、集尘部件和投影仪
CN104197259A (zh) * 2014-07-29 2014-12-10 江苏彤明高科汽车电器有限公司 一种快速散热汽车车灯
JP6950231B2 (ja) * 2017-03-28 2021-10-13 セイコーエプソン株式会社 プロジェクター、及び、開口用パネル
CN117548378B (zh) * 2023-12-27 2025-09-09 合肥峻茂视觉科技有限公司 一种色选机分选室箱体的散热装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW323345B (enExample) * 1994-07-08 1997-12-21 Fujitsu Ltd
JP3684629B2 (ja) 1995-09-12 2005-08-17 株式会社日立製作所 投射型画像表示用照明装置
JPH1048747A (ja) * 1996-08-06 1998-02-20 Hitachi Ltd 投写形液晶表示装置の冷却装置
US6488378B1 (en) * 1999-05-28 2002-12-03 Matsushita Electric Industrial Co., Ltd. Imaging apparatus
JP2002244215A (ja) * 2001-02-21 2002-08-30 Sharp Corp 光源の冷却構造および投影型画像表示装置
JP2002352622A (ja) * 2001-05-25 2002-12-06 Sharp Corp 光源ユニット
JP3938111B2 (ja) * 2003-07-28 2007-06-27 セイコーエプソン株式会社 プロジェクタ
JP2005321584A (ja) * 2004-05-10 2005-11-17 Hitachi Ltd 投射型映像表示装置
JP2006171165A (ja) 2004-12-14 2006-06-29 Funai Electric Co Ltd 空冷装置
JP4124201B2 (ja) * 2005-02-02 2008-07-23 船井電機株式会社 プロジェクタ
TW200639566A (en) * 2005-05-10 2006-11-16 Young Optics Inc Heat dissipation structure for projector
TWI283332B (en) * 2005-07-15 2007-07-01 Coretronic Corp Projector, and the cooling structure using the projector
US7367679B2 (en) * 2005-10-03 2008-05-06 Infocus Corporation Light source for a display device
JP4944452B2 (ja) * 2006-02-03 2012-05-30 キヤノン株式会社 画像投射装置
JP4886309B2 (ja) * 2006-02-08 2012-02-29 キヤノン株式会社 画像投射装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3141950A1 (en) 2015-09-09 2017-03-15 Ricoh Company, Ltd. Image projection apparatus

Also Published As

Publication number Publication date
US20090268170A1 (en) 2009-10-29
EP2108997B1 (en) 2018-09-05
JP2009251508A (ja) 2009-10-29
EP2108997A1 (en) 2009-10-14
US8511833B2 (en) 2013-08-20

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