JP4803972B2 - 画像投射装置 - Google Patents

画像投射装置 Download PDF

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Publication number
JP4803972B2
JP4803972B2 JP2004170454A JP2004170454A JP4803972B2 JP 4803972 B2 JP4803972 B2 JP 4803972B2 JP 2004170454 A JP2004170454 A JP 2004170454A JP 2004170454 A JP2004170454 A JP 2004170454A JP 4803972 B2 JP4803972 B2 JP 4803972B2
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JP
Japan
Prior art keywords
image
projection
distance
screen
distance measuring
Prior art date
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Expired - Fee Related
Application number
JP2004170454A
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English (en)
Japanese (ja)
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JP2005354232A (ja
JP2005354232A5 (enExample
Inventor
和夫 藤林
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
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2004170454A priority Critical patent/JP4803972B2/ja
Publication of JP2005354232A publication Critical patent/JP2005354232A/ja
Publication of JP2005354232A5 publication Critical patent/JP2005354232A5/ja
Application granted granted Critical
Publication of JP4803972B2 publication Critical patent/JP4803972B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP2004170454A 2004-06-08 2004-06-08 画像投射装置 Expired - Fee Related JP4803972B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004170454A JP4803972B2 (ja) 2004-06-08 2004-06-08 画像投射装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004170454A JP4803972B2 (ja) 2004-06-08 2004-06-08 画像投射装置

Publications (3)

Publication Number Publication Date
JP2005354232A JP2005354232A (ja) 2005-12-22
JP2005354232A5 JP2005354232A5 (enExample) 2010-05-06
JP4803972B2 true JP4803972B2 (ja) 2011-10-26

Family

ID=35588336

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004170454A Expired - Fee Related JP4803972B2 (ja) 2004-06-08 2004-06-08 画像投射装置

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JP (1) JP4803972B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4702072B2 (ja) * 2006-01-20 2011-06-15 カシオ計算機株式会社 投影装置、投影装置の測距仰角制御方法及びプログラム
JP5250980B2 (ja) * 2007-02-20 2013-07-31 セイコーエプソン株式会社 プロジェクタおよび当該プロジェクタの画像補正方法
JP6636252B2 (ja) 2015-03-19 2020-01-29 株式会社メガチップス 投影システム、プロジェクター装置、撮像装置、および、プログラム
JP2021076719A (ja) * 2019-11-08 2021-05-20 シャープ福山セミコンダクター株式会社 プロジェクタ装置、プロジェクタ装置の制御方法、プログラム、および、記録媒体
JP7474968B2 (ja) 2020-11-25 2024-04-26 パナソニックＩｐマネジメント株式会社 投影装置
CN115086622B (zh) 2021-03-12 2024-05-24 中强光电股份有限公司 投影机及其校正方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH089309A (ja) * 1994-06-23 1996-01-12 Canon Inc 表示方法及び装置
JP3687833B2 (ja) * 1998-06-26 2005-08-24 松下電器産業株式会社 プロジェクタ
JP2003348499A (ja) * 2002-05-27 2003-12-05 Canon Inc 投射型画像表示装置
JP4074527B2 (ja) * 2002-08-08 2008-04-09 セイコープレシジョン株式会社 角度検出装置およびそれを備えたプロジェクタ
JP2004088169A (ja) * 2002-08-22 2004-03-18 Nisca Corp 画像表示装置

Also Published As

Publication number Publication date
JP2005354232A (ja) 2005-12-22

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