JP6366235B2 - 投写型画像表示装置 - Google Patents

投写型画像表示装置 Download PDF

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Publication number
JP6366235B2
JP6366235B2 JP2013155786A JP2013155786A JP6366235B2 JP 6366235 B2 JP6366235 B2 JP 6366235B2 JP 2013155786 A JP2013155786 A JP 2013155786A JP 2013155786 A JP2013155786 A JP 2013155786A JP 6366235 B2 JP6366235 B2 JP 6366235B2
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JP
Japan
Prior art keywords
light source
image display
cooling
display device
power
Prior art date
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Active
Application number
JP2013155786A
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English (en)
Japanese (ja)
Other versions
JP2015025963A (ja
JP2015025963A5 (enExample
Inventor
雄也 蔵田
雄也 蔵田
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 JP2013155786A priority Critical patent/JP6366235B2/ja
Priority to US14/338,625 priority patent/US9746754B2/en
Publication of JP2015025963A publication Critical patent/JP2015025963A/ja
Publication of JP2015025963A5 publication Critical patent/JP2015025963A5/ja
Priority to US15/588,303 priority patent/US10146112B2/en
Application granted granted Critical
Publication of JP6366235B2 publication Critical patent/JP6366235B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • 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
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2026—Gas discharge type light sources, e.g. arcs
    • 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
    • G03B21/20—Lamp housings
    • G03B21/2053—Intensity control of illuminating light
    • 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
    • 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
    • H04N9/3155—Modulator illumination systems for controlling the light source
    • 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
    • G03B33/00—Colour photography, other than mere exposure or projection of a colour film
    • G03B33/10—Simultaneous recording or projection
    • G03B33/12—Simultaneous recording or projection using beam-splitting or beam-combining systems, e.g. dichroic mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP2013155786A 2013-07-26 2013-07-26 投写型画像表示装置 Active JP6366235B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2013155786A JP6366235B2 (ja) 2013-07-26 2013-07-26 投写型画像表示装置
US14/338,625 US9746754B2 (en) 2013-07-26 2014-07-23 Projecting type image display apparatus including light source control unit and cooling control unit
US15/588,303 US10146112B2 (en) 2013-07-26 2017-05-05 Projecting type image display apparatus including light source control unit and cooling control unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013155786A JP6366235B2 (ja) 2013-07-26 2013-07-26 投写型画像表示装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2018127358A Division JP6594492B2 (ja) 2018-07-04 2018-07-04 投写型画像表示装置

Publications (3)

Publication Number Publication Date
JP2015025963A JP2015025963A (ja) 2015-02-05
JP2015025963A5 JP2015025963A5 (enExample) 2016-09-08
JP6366235B2 true JP6366235B2 (ja) 2018-08-01

Family

ID=52390245

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013155786A Active JP6366235B2 (ja) 2013-07-26 2013-07-26 投写型画像表示装置

Country Status (2)

Country Link
US (2) US9746754B2 (enExample)
JP (1) JP6366235B2 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6690217B2 (ja) * 2015-03-09 2020-04-28 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
US20170075205A1 (en) * 2015-09-13 2017-03-16 Apple Inc. Integrated light pipe for optical projection
JP2019032457A (ja) * 2017-08-09 2019-02-28 キヤノン株式会社 投影装置及びその制御方法
US10424332B2 (en) * 2018-01-10 2019-09-24 International Business Machines Corporation Attenuating reaction forces caused by internally supported stators in brushless DC motors
US10667341B1 (en) 2018-09-16 2020-05-26 Apple Inc. Light projector with integrated integrity sensor

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0481832A (ja) * 1990-07-25 1992-03-16 Mita Ind Co Ltd オーバーヘッドプロジェクタ
JP3498639B2 (ja) * 1999-06-25 2004-02-16 松下電器産業株式会社 光源装置およびこれを用いたプロジェクタ
JP4070420B2 (ja) * 2001-03-23 2008-04-02 フェニックス電機株式会社 超高圧放電灯の点灯方法と点灯装置
US7654696B2 (en) * 2002-12-11 2010-02-02 Koninklijke Philips Electronics, N.V. Lighting unit
JP2005156750A (ja) * 2003-11-21 2005-06-16 Sanyo Electric Co Ltd 投写型映像表示装置
JP4176000B2 (ja) * 2003-11-21 2008-11-05 三洋電機株式会社 投写型映像表示装置
JP4081684B2 (ja) 2004-05-25 2008-04-30 岩崎電気株式会社 高圧放電ランプの冷却装置及び冷却方法
JP2006017809A (ja) * 2004-06-30 2006-01-19 Toshiba Corp プロジェクション映像表示装置
JP2006032111A (ja) * 2004-07-15 2006-02-02 Casio Comput Co Ltd 投影装置、投影装置の光源ランプ駆動方法及びプログラム
JP2006039248A (ja) * 2004-07-28 2006-02-09 Matsushita Electric Ind Co Ltd 投射型テレビジョン受像機
JP4158761B2 (ja) * 2004-11-26 2008-10-01 株式会社ニコン プロジェクタ装置
JP2007059641A (ja) * 2005-08-25 2007-03-08 Seiko Epson Corp ファンコントロール装置、および当該ファンコントロール装置を備えたプロジェクタ、ファンコントロール装置によるファン駆動方法
JP4670602B2 (ja) * 2005-11-16 2011-04-13 セイコーエプソン株式会社 プロジェクションシステム、プロジェクタ、および情報処理装置
DE602007006942D1 (de) * 2006-05-12 2010-07-15 Philips Intellectual Property Verfahren zum ausschalten einer hochdruckentladungslampe und antriebseinheit zur ansteuerung einer hochdruckentladungslampe
TWI375852B (en) * 2006-08-02 2012-11-01 Coretronic Corp Method for shutting off projector
JP2008288019A (ja) * 2007-05-17 2008-11-27 Iwasaki Electric Co Ltd マイクロ波ランプの点灯方法
JP4518108B2 (ja) * 2007-06-20 2010-08-04 カシオ計算機株式会社 投影装置、投影装置の運転制御方法及びプログラム
JP2011033858A (ja) * 2009-08-03 2011-02-17 Seiko Epson Corp プロジェクター及びその制御方法

Also Published As

Publication number Publication date
US9746754B2 (en) 2017-08-29
US20150029468A1 (en) 2015-01-29
JP2015025963A (ja) 2015-02-05
US20170242323A1 (en) 2017-08-24
US10146112B2 (en) 2018-12-04

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