JP2011107435A5 - - Google Patents

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Publication number
JP2011107435A5
JP2011107435A5 JP2009262643A JP2009262643A JP2011107435A5 JP 2011107435 A5 JP2011107435 A5 JP 2011107435A5 JP 2009262643 A JP2009262643 A JP 2009262643A JP 2009262643 A JP2009262643 A JP 2009262643A JP 2011107435 A5 JP2011107435 A5 JP 2011107435A5
Authority
JP
Japan
Prior art keywords
focus correction
light
focus
projection lens
unit
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.)
Granted
Application number
JP2009262643A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011107435A (ja
JP5424829B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2009262643A priority Critical patent/JP5424829B2/ja
Priority claimed from JP2009262643A external-priority patent/JP5424829B2/ja
Priority to EP10189666A priority patent/EP2325692B1/en
Priority to US12/917,522 priority patent/US8556434B2/en
Publication of JP2011107435A publication Critical patent/JP2011107435A/ja
Publication of JP2011107435A5 publication Critical patent/JP2011107435A5/ja
Application granted granted Critical
Publication of JP5424829B2 publication Critical patent/JP5424829B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2009262643A 2009-11-18 2009-11-18 画像投射装置 Expired - Fee Related JP5424829B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009262643A JP5424829B2 (ja) 2009-11-18 2009-11-18 画像投射装置
EP10189666A EP2325692B1 (en) 2009-11-18 2010-11-02 Image projection apparatus
US12/917,522 US8556434B2 (en) 2009-11-18 2010-11-02 Image projection apparatus having shutter mechanism for hiding projection image

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009262643A JP5424829B2 (ja) 2009-11-18 2009-11-18 画像投射装置

Publications (3)

Publication Number Publication Date
JP2011107435A JP2011107435A (ja) 2011-06-02
JP2011107435A5 true JP2011107435A5 (enExample) 2012-12-27
JP5424829B2 JP5424829B2 (ja) 2014-02-26

Family

ID=43530357

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009262643A Expired - Fee Related JP5424829B2 (ja) 2009-11-18 2009-11-18 画像投射装置

Country Status (3)

Country Link
US (1) US8556434B2 (enExample)
EP (1) EP2325692B1 (enExample)
JP (1) JP5424829B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2497936B (en) * 2011-12-22 2015-04-08 Canon Kk Method and device for controlling a video projector in a video projection system comprising multiple video projectors
CN113596421B (zh) * 2019-10-31 2024-05-14 峰米(北京)科技有限公司 一种热失焦补偿方法、存储介质和投影设备

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3205766A (en) * 1962-06-18 1965-09-14 Eastman Kodak Co Control apparatus
JPS5821726A (ja) 1981-07-31 1983-02-08 Sansha Electric Mfg Co Ltd 映写用電源装置
US5537168A (en) * 1991-04-26 1996-07-16 Canon Kabushiki Kaisha Projection optical apparatus comprising automatic adjustment unit
JP3412990B2 (ja) * 1995-09-25 2003-06-03 キヤノン株式会社 光学機器
JP2000019648A (ja) 1998-07-06 2000-01-21 Sony Corp 映像表示装置および映像表示装置の焦点調節装置
JP2006091588A (ja) * 2004-09-24 2006-04-06 Sanyo Electric Co Ltd 投写型映像表示装置
JP4681866B2 (ja) * 2004-12-08 2011-05-11 キヤノン株式会社 投射表示装置
JP4483881B2 (ja) * 2007-03-20 2010-06-16 カシオ計算機株式会社 投影装置、投影制御方法及びプログラム
JP5029444B2 (ja) 2008-03-18 2012-09-19 コニカミノルタアドバンストレイヤー株式会社 投射型画像表示装置
JP2009251095A (ja) * 2008-04-02 2009-10-29 Fujinon Corp プロジェクタ

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