JP2005283966A - 投写用レンズシステムおよびプロジェクタ装置 - Google Patents

投写用レンズシステムおよびプロジェクタ装置 Download PDF

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Publication number
JP2005283966A
JP2005283966A JP2004097850A JP2004097850A JP2005283966A JP 2005283966 A JP2005283966 A JP 2005283966A JP 2004097850 A JP2004097850 A JP 2004097850A JP 2004097850 A JP2004097850 A JP 2004097850A JP 2005283966 A JP2005283966 A JP 2005283966A
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JP
Japan
Prior art keywords
lens
lens system
projection
negative
screen
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.)
Pending
Application number
JP2004097850A
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English (en)
Japanese (ja)
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JP2005283966A5 (enExample
Inventor
Akira Yamagishi
晃 山岸
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.)
Nitto Optical Co Ltd
Original Assignee
Nitto Optical Co Ltd
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 Nitto Optical Co Ltd filed Critical Nitto Optical Co Ltd
Priority to JP2004097850A priority Critical patent/JP2005283966A/ja
Priority to US11/087,477 priority patent/US7119966B2/en
Publication of JP2005283966A publication Critical patent/JP2005283966A/ja
Publication of JP2005283966A5 publication Critical patent/JP2005283966A5/ja
Pending legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/16—Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Projection Apparatus (AREA)
JP2004097850A 2004-03-30 2004-03-30 投写用レンズシステムおよびプロジェクタ装置 Pending JP2005283966A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004097850A JP2005283966A (ja) 2004-03-30 2004-03-30 投写用レンズシステムおよびプロジェクタ装置
US11/087,477 US7119966B2 (en) 2004-03-30 2005-03-23 Projection lens system and projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004097850A JP2005283966A (ja) 2004-03-30 2004-03-30 投写用レンズシステムおよびプロジェクタ装置

Publications (2)

Publication Number Publication Date
JP2005283966A true JP2005283966A (ja) 2005-10-13
JP2005283966A5 JP2005283966A5 (enExample) 2007-03-29

Family

ID=35053986

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004097850A Pending JP2005283966A (ja) 2004-03-30 2004-03-30 投写用レンズシステムおよびプロジェクタ装置

Country Status (2)

Country Link
US (1) US7119966B2 (enExample)
JP (1) JP2005283966A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI233983B (en) * 2004-01-20 2005-06-11 Asia Optical Co Inc Level device
CN100390597C (zh) * 2004-05-17 2008-05-28 松下电器产业株式会社 投射透镜及背面投射型投影装置
TW201037352A (en) * 2009-04-10 2010-10-16 Young Optics Inc Fixed-focus lens

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0469611A (ja) * 1990-07-10 1992-03-04 Minolta Camera Co Ltd 魚眼レンズ系
JPH0996759A (ja) * 1995-09-28 1997-04-08 Fuji Photo Optical Co Ltd レトロフォーカス型レンズ
JPH1172700A (ja) * 1997-08-29 1999-03-16 Canon Inc 投影光学系及びそれを用いた投影装置
JPH11305116A (ja) * 1998-04-24 1999-11-05 Sony Corp 投射レンズ
JP2002031754A (ja) * 2000-07-14 2002-01-31 Hitachi Ltd 投射用レンズ装置および投射型画像表示装置
WO2002071124A1 (en) * 2001-01-17 2002-09-12 3M Innovative Properties Company Compact, telecentric projection lenses for use with pixelized panels
JP2003233000A (ja) * 2002-02-07 2003-08-22 Sharp Corp 投影光学系

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2548359B2 (ja) 1989-03-01 1996-10-30 松下電器産業株式会社 投影レンズとそれを用いたプロジェクションテレビ
US6084719A (en) * 1997-08-29 2000-07-04 Canon Kabushiki Kaisha Projection lens
JPH11194266A (ja) * 1997-10-29 1999-07-21 Fuji Photo Optical Co Ltd 広角レンズ
JP2002357769A (ja) 2001-05-31 2002-12-13 Chinontec Kk 投写レンズ装置及びプロジェクタ装置
JP2002365534A (ja) 2001-06-05 2002-12-18 Chinontec Kk 投写レンズ装置およびプロジェクタ装置
JP2002365537A (ja) 2001-06-05 2002-12-18 Chinontec Kk 投写レンズ装置およびプロジェクタ装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0469611A (ja) * 1990-07-10 1992-03-04 Minolta Camera Co Ltd 魚眼レンズ系
JPH0996759A (ja) * 1995-09-28 1997-04-08 Fuji Photo Optical Co Ltd レトロフォーカス型レンズ
JPH1172700A (ja) * 1997-08-29 1999-03-16 Canon Inc 投影光学系及びそれを用いた投影装置
JPH11305116A (ja) * 1998-04-24 1999-11-05 Sony Corp 投射レンズ
JP2002031754A (ja) * 2000-07-14 2002-01-31 Hitachi Ltd 投射用レンズ装置および投射型画像表示装置
WO2002071124A1 (en) * 2001-01-17 2002-09-12 3M Innovative Properties Company Compact, telecentric projection lenses for use with pixelized panels
JP2003233000A (ja) * 2002-02-07 2003-08-22 Sharp Corp 投影光学系

Also Published As

Publication number Publication date
US20050219706A1 (en) 2005-10-06
US7119966B2 (en) 2006-10-10

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