JP5473543B2 - 画像表示装置 - Google Patents

画像表示装置 Download PDF

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Publication number
JP5473543B2
JP5473543B2 JP2009253850A JP2009253850A JP5473543B2 JP 5473543 B2 JP5473543 B2 JP 5473543B2 JP 2009253850 A JP2009253850 A JP 2009253850A JP 2009253850 A JP2009253850 A JP 2009253850A JP 5473543 B2 JP5473543 B2 JP 5473543B2
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Japan
Prior art keywords
distance measuring
image display
projection lens
optical axis
distance
Prior art date
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Expired - Fee Related
Application number
JP2009253850A
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English (en)
Japanese (ja)
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JP2011099958A5 (enExample
JP2011099958A (ja
Inventor
三郎 菅原
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 JP2009253850A priority Critical patent/JP5473543B2/ja
Publication of JP2011099958A publication Critical patent/JP2011099958A/ja
Publication of JP2011099958A5 publication Critical patent/JP2011099958A5/ja
Application granted granted Critical
Publication of JP5473543B2 publication Critical patent/JP5473543B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Length Measuring Devices By Optical Means (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP2009253850A 2009-11-05 2009-11-05 画像表示装置 Expired - Fee Related JP5473543B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009253850A JP5473543B2 (ja) 2009-11-05 2009-11-05 画像表示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009253850A JP5473543B2 (ja) 2009-11-05 2009-11-05 画像表示装置

Publications (3)

Publication Number Publication Date
JP2011099958A JP2011099958A (ja) 2011-05-19
JP2011099958A5 JP2011099958A5 (enExample) 2012-12-20
JP5473543B2 true JP5473543B2 (ja) 2014-04-16

Family

ID=44191193

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009253850A Expired - Fee Related JP5473543B2 (ja) 2009-11-05 2009-11-05 画像表示装置

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JP (1) JP5473543B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6004954B2 (ja) * 2013-01-18 2016-10-12 三菱重工業株式会社 法線検出装置、加工装置、及び法線検出方法
CN107037671A (zh) * 2017-06-13 2017-08-11 成都全云科技有限公司 三点定位投影矫正系统
WO2020059253A1 (ja) * 2018-09-21 2020-03-26 富士フイルム株式会社 プロジェクタ、プロジェクタ用制御装置、画像投写方法及びプログラム
CN117233167B (zh) * 2023-08-23 2024-03-19 北京易点淘网络技术有限公司 一种检测装置及方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3687833B2 (ja) * 1998-06-26 2005-08-24 松下電器産業株式会社 プロジェクタ
JP2004191221A (ja) * 2002-12-12 2004-07-08 Seiko Precision Inc 角度検出装置及びそれを備えたプロジェクタ
JP2005006228A (ja) * 2003-06-13 2005-01-06 Casio Comput Co Ltd プロジェクタ
JP2006350174A (ja) * 2005-06-20 2006-12-28 Seiko Epson Corp プロジェクタ
JP2007334191A (ja) * 2006-06-19 2007-12-27 Casio Comput Co Ltd 投影装置、測距処理方法およびプログラム
JP2008083414A (ja) * 2006-09-27 2008-04-10 Brother Ind Ltd 投影装置
JP4785078B2 (ja) * 2007-03-26 2011-10-05 カシオ計算機株式会社 プロジェクタ
JP5246467B2 (ja) * 2007-11-15 2013-07-24 カシオ計算機株式会社 距離測定装置及びプロジェクタ

Also Published As

Publication number Publication date
JP2011099958A (ja) 2011-05-19

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