CN101369093B - 图像投影装置 - Google Patents

图像投影装置 Download PDF

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Publication number
CN101369093B
CN101369093B CN2008101453431A CN200810145343A CN101369093B CN 101369093 B CN101369093 B CN 101369093B CN 2008101453431 A CN2008101453431 A CN 2008101453431A CN 200810145343 A CN200810145343 A CN 200810145343A CN 101369093 B CN101369093 B CN 101369093B
Authority
CN
China
Prior art keywords
temperature
air
intake opening
air intake
exhausr port
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
CN2008101453431A
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English (en)
Chinese (zh)
Other versions
CN101369093A (zh
Inventor
野田敏之
龟冈步
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
Publication of CN101369093A publication Critical patent/CN101369093A/zh
Application granted granted Critical
Publication of CN101369093B publication Critical patent/CN101369093B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • 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
    • H04N9/3144—Cooling systems
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
CN2008101453431A 2007-08-07 2008-08-07 图像投影装置 Expired - Fee Related CN101369093B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007204920 2007-08-07
JP2007204920A JP4963647B2 (ja) 2007-08-07 2007-08-07 画像投射装置
JP2007-204920 2007-08-07

Publications (2)

Publication Number Publication Date
CN101369093A CN101369093A (zh) 2009-02-18
CN101369093B true CN101369093B (zh) 2010-06-09

Family

ID=39951611

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008101453431A Expired - Fee Related CN101369093B (zh) 2007-08-07 2008-08-07 图像投影装置

Country Status (5)

Country Link
US (2) US8061852B2 (enExample)
EP (1) EP2026127B1 (enExample)
JP (1) JP4963647B2 (enExample)
CN (1) CN101369093B (enExample)
DE (1) DE602008001755D1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5247005B2 (ja) * 2006-04-27 2013-07-24 キヤノン株式会社 画像投射装置および画像表示システム
JP4963647B2 (ja) * 2007-08-07 2012-06-27 キヤノン株式会社 画像投射装置
JP5621491B2 (ja) * 2010-10-12 2014-11-12 セイコーエプソン株式会社 投射型表示装置及びその制御方法
CN102368136B (zh) * 2011-09-21 2013-07-10 广东威创视讯科技股份有限公司 一种用于背投箱的机芯散热结构
JP6086286B2 (ja) * 2012-08-23 2017-03-01 株式会社リコー 画像投影装置
CN203643735U (zh) * 2013-11-14 2014-06-11 中强光电股份有限公司 光源模块与投影装置
CN203883953U (zh) 2014-04-22 2014-10-15 深圳市绎立锐光科技开发有限公司 色轮防尘散热模组及光源系统
JP6745051B2 (ja) * 2015-09-09 2020-08-26 株式会社リコー 画像投写装置
EP3246752B1 (en) * 2016-05-20 2019-02-06 Hisense Co. Ltd. Apparatus and method for controlling a laser projector
JP6884539B2 (ja) * 2016-09-27 2021-06-09 キヤノン株式会社 投射型表示装置
CN115421350A (zh) * 2022-09-09 2022-12-02 深圳市橙子数字科技有限公司 一种投影仪风扇转速智能控制方法及装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002081589A (ja) * 2000-09-07 2002-03-22 Nec Kyushu Ltd 誤接続防止流体コネクタ
JP2002258238A (ja) * 2001-02-27 2002-09-11 Sanyo Electric Co Ltd 液晶プロジェクタ
JP2003043577A (ja) * 2001-08-01 2003-02-13 Sanyo Electric Co Ltd 液晶プロジェクタ
JP2003195254A (ja) * 2001-12-26 2003-07-09 Seiko Epson Corp 光学装置、およびこれを備えたプロジェクタ
JP2004021116A (ja) * 2002-06-19 2004-01-22 Seiko Epson Corp 光学素子冷却装置、光学装置、および、プロジェクタ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117489A (en) * 1960-10-14 1964-01-14 American Optical Corp Image projector with air circulating means
JPS61160934A (ja) * 1985-01-10 1986-07-21 Canon Inc 投影光学装置
JP3531483B2 (ja) 1998-07-16 2004-05-31 セイコーエプソン株式会社 投写型表示装置
JP3576407B2 (ja) 1998-11-18 2004-10-13 富士通株式会社 投写型表示装置
JP2001092014A (ja) * 1999-09-22 2001-04-06 Nec Corp プロジェクター装置及びその障害物認識方法
TW547675U (en) 2002-12-19 2003-08-11 Coretronic Corp A projection cooling apparatus
JP2005156748A (ja) * 2003-11-21 2005-06-16 Canon Inc 投射型画像表示装置
JP4963647B2 (ja) * 2007-08-07 2012-06-27 キヤノン株式会社 画像投射装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002081589A (ja) * 2000-09-07 2002-03-22 Nec Kyushu Ltd 誤接続防止流体コネクタ
JP2002258238A (ja) * 2001-02-27 2002-09-11 Sanyo Electric Co Ltd 液晶プロジェクタ
JP2003043577A (ja) * 2001-08-01 2003-02-13 Sanyo Electric Co Ltd 液晶プロジェクタ
JP2003195254A (ja) * 2001-12-26 2003-07-09 Seiko Epson Corp 光学装置、およびこれを備えたプロジェクタ
JP2004021116A (ja) * 2002-06-19 2004-01-22 Seiko Epson Corp 光学素子冷却装置、光学装置、および、プロジェクタ

Also Published As

Publication number Publication date
US20120062854A1 (en) 2012-03-15
US20090040471A1 (en) 2009-02-12
JP4963647B2 (ja) 2012-06-27
JP2009042330A (ja) 2009-02-26
EP2026127A1 (en) 2009-02-18
EP2026127B1 (en) 2010-07-14
US8408716B2 (en) 2013-04-02
US8061852B2 (en) 2011-11-22
CN101369093A (zh) 2009-02-18
DE602008001755D1 (de) 2010-08-26

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Granted publication date: 20100609

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