JP5589933B2 - プロジェクター、投写ユニット及び電子黒板 - Google Patents

プロジェクター、投写ユニット及び電子黒板 Download PDF

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Publication number
JP5589933B2
JP5589933B2 JP2011081648A JP2011081648A JP5589933B2 JP 5589933 B2 JP5589933 B2 JP 5589933B2 JP 2011081648 A JP2011081648 A JP 2011081648A JP 2011081648 A JP2011081648 A JP 2011081648A JP 5589933 B2 JP5589933 B2 JP 5589933B2
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Japan
Prior art keywords
display surface
image
light
projection
lens
Prior art date
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JP2011081648A
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English (en)
Japanese (ja)
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JP2012215746A (ja
JP2012215746A5 (enExample
Inventor
栄時 守国
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.)
Seiko Epson Corp
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Seiko Epson Corp
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 Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP2011081648A priority Critical patent/JP5589933B2/ja
Priority to US13/428,593 priority patent/US8955981B2/en
Priority to US13/428,368 priority patent/US9128365B2/en
Priority to CN201210088534.5A priority patent/CN102736376B/zh
Priority to CN201210086963.9A priority patent/CN102736375B/zh
Publication of JP2012215746A publication Critical patent/JP2012215746A/ja
Publication of JP2012215746A5 publication Critical patent/JP2012215746A5/ja
Application granted granted Critical
Publication of JP5589933B2 publication Critical patent/JP5589933B2/ja
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  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Drawing Aids And Blackboards (AREA)
JP2011081648A 2011-04-01 2011-04-01 プロジェクター、投写ユニット及び電子黒板 Active JP5589933B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2011081648A JP5589933B2 (ja) 2011-04-01 2011-04-01 プロジェクター、投写ユニット及び電子黒板
US13/428,593 US8955981B2 (en) 2011-04-01 2012-03-23 Projector, projection unit, and interactive board
US13/428,368 US9128365B2 (en) 2011-04-01 2012-03-23 Projector, projection unit, and interactive board
CN201210088534.5A CN102736376B (zh) 2011-04-01 2012-03-28 投影机、投影单元及电子黑板
CN201210086963.9A CN102736375B (zh) 2011-04-01 2012-03-28 投影机、投影单元及电子黑板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011081648A JP5589933B2 (ja) 2011-04-01 2011-04-01 プロジェクター、投写ユニット及び電子黒板

Publications (3)

Publication Number Publication Date
JP2012215746A JP2012215746A (ja) 2012-11-08
JP2012215746A5 JP2012215746A5 (enExample) 2013-10-31
JP5589933B2 true JP5589933B2 (ja) 2014-09-17

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Family Applications (1)

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JP2011081648A Active JP5589933B2 (ja) 2011-04-01 2011-04-01 プロジェクター、投写ユニット及び電子黒板

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JP (1) JP5589933B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6360238B2 (ja) * 2017-06-21 2018-07-18 株式会社ｎｉｔｔｏｈ 光学部材
JP6402222B2 (ja) * 2017-06-21 2018-10-10 株式会社ｎｉｔｔｏｈ 光学部材

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0611767A (ja) * 1992-06-25 1994-01-21 Sony Corp プロジェクター装置
TW436661B (en) * 2000-05-24 2001-05-28 Acer Peripherals Inc Curved surface reflective-type projection structure of digital projector
JP2004085752A (ja) * 2002-08-26 2004-03-18 Minolta Co Ltd 画像投影装置
JP2004252345A (ja) * 2003-02-21 2004-09-09 Tsubasa System Co Ltd プレゼンテーション装置
JP4551674B2 (ja) * 2003-03-07 2010-09-29 キヤノン株式会社 変倍光学系
JP4403844B2 (ja) * 2004-03-19 2010-01-27 セイコーエプソン株式会社 投写型表示装置
JP2007011248A (ja) * 2005-05-31 2007-01-18 Victor Co Of Japan Ltd 投射型表示装置
JP2008083428A (ja) * 2006-09-28 2008-04-10 Brother Ind Ltd リアプロジェクタ、リアプロジェクタ用のキャビネットおよびプロジェクタ
JP2008090200A (ja) * 2006-10-05 2008-04-17 Sony Corp ズームレンズおよび投射型画像表示装置
JP4829196B2 (ja) * 2007-09-28 2011-12-07 株式会社リコー 投射光学装置
JP2009122587A (ja) * 2007-11-19 2009-06-04 Konica Minolta Opto Inc 非軸変倍投影光学系および投影型画像表示装置
JP2010122574A (ja) * 2008-11-21 2010-06-03 Sony Corp 投射型画像表示装置および投射光学系
JP5767771B2 (ja) * 2009-03-19 2015-08-19 セイコーエプソン株式会社 プロジェクター

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Publication number Publication date
JP2012215746A (ja) 2012-11-08

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