DE60315097D1 - Projektionsobjektiv und Projektor - Google Patents

Projektionsobjektiv und Projektor

Info

Publication number
DE60315097D1
DE60315097D1 DE60315097T DE60315097T DE60315097D1 DE 60315097 D1 DE60315097 D1 DE 60315097D1 DE 60315097 T DE60315097 T DE 60315097T DE 60315097 T DE60315097 T DE 60315097T DE 60315097 D1 DE60315097 D1 DE 60315097D1
Authority
DE
Germany
Prior art keywords
projector
projection lens
lens
projection
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.)
Expired - Lifetime
Application number
DE60315097T
Other languages
English (en)
Other versions
DE60315097T2 (de
Inventor
Sawako Chatani
Katsumi Kurematsu
Takayuki Ishii
Toshihiro Sunaga
Yoshiaki Kurioka
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
Publication of DE60315097D1 publication Critical patent/DE60315097D1/de
Application granted granted Critical
Publication of DE60315097T2 publication Critical patent/DE60315097T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0852—Catadioptric systems having a field corrector only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system
    • G02B17/06—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror
    • G02B17/0647—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror using more than three curved mirrors
    • G02B17/0663—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror using more than three curved mirrors off-axis or unobscured systems in which not all of the mirrors share a common axis of rotational symmetry, e.g. at least one of the mirrors is warped, tilted or decentered with respect to the other elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0804—Catadioptric systems using two curved mirrors
    • G02B17/0816—Catadioptric systems using two curved mirrors off-axis or unobscured systems in which not all of the mirrors share a common axis of rotational symmetry, e.g. at least one of the mirrors is warped, tilted or decentered with respect to the other elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0836—Catadioptric systems using more than three curved mirrors
    • G02B17/0848—Catadioptric systems using more than three curved mirrors off-axis or unobscured systems in which not all of the mirrors share a common axis of rotational symmetry, e.g. at least one of the mirrors is warped, tilted or decentered with respect to the other elements
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Lenses (AREA)
  • Projection Apparatus (AREA)
DE60315097T 2002-07-30 2003-07-18 Projektionsobjektiv und Projektor Expired - Lifetime DE60315097T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002221771A JP2004061960A (ja) 2002-07-30 2002-07-30 投射型画像表示装置および画像表示システム
JP2002221771 2002-07-30

Publications (2)

Publication Number Publication Date
DE60315097D1 true DE60315097D1 (de) 2007-09-06
DE60315097T2 DE60315097T2 (de) 2007-12-13

Family

ID=30112934

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60315097T Expired - Lifetime DE60315097T2 (de) 2002-07-30 2003-07-18 Projektionsobjektiv und Projektor

Country Status (5)

Country Link
US (1) US6951395B2 (de)
EP (1) EP1387201B1 (de)
JP (1) JP2004061960A (de)
CN (1) CN1264046C (de)
DE (1) DE60315097T2 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3631182B2 (ja) * 2001-09-04 2005-03-23 キヤノン株式会社 画像投射装置
JP2003287682A (ja) * 2002-03-27 2003-10-10 Minolta Co Ltd 斜め投影光学系およびその設定方法
JP4223936B2 (ja) 2003-02-06 2009-02-12 株式会社リコー 投射光学系、拡大投射光学系、拡大投射装置及び画像投射装置
JP4210314B2 (ja) * 2003-02-06 2009-01-14 株式会社リコー 投射光学系、拡大投射光学系、拡大投射装置及び画像投射装置
JP2006003637A (ja) * 2004-06-17 2006-01-05 Canon Inc 投写光学系、及びそれを用いた投写型表示装置
JP5102940B2 (ja) 2004-11-01 2012-12-19 株式会社日立製作所 投写映像表示装置及びそれに用いられる投写光学ユニット
CN100420977C (zh) * 2004-11-01 2008-09-24 株式会社日立制作所 投影图像显示装置及其使用的投影光学单元
JP2006138882A (ja) * 2004-11-10 2006-06-01 Konica Minolta Opto Inc 斜め投影光学系
JP2006178406A (ja) * 2004-11-25 2006-07-06 Konica Minolta Opto Inc 投影光学系
JP5114828B2 (ja) * 2005-04-08 2013-01-09 株式会社日立製作所 投写光学ユニット
JP2006292900A (ja) * 2005-04-08 2006-10-26 Hitachi Ltd 投写光学ユニット及びそれを用いた投写型映像表示装置
JP4718883B2 (ja) * 2005-04-11 2011-07-06 Ｎｅｃディスプレイソリューションズ株式会社 投写型表示装置
JP4910384B2 (ja) * 2005-12-16 2012-04-04 株式会社日立製作所 自由曲面光学素子およびそれを含む投射光学ユニットまたは投射型画像表示装置
US7922340B2 (en) * 2007-02-14 2011-04-12 Konica Minolta Opto, Inc. Projection optical system with enlargement at a varying magnification
JP5045429B2 (ja) * 2007-12-27 2012-10-10 コニカミノルタアドバンストレイヤー株式会社 斜め投射光学系
JP2012027113A (ja) 2010-07-21 2012-02-09 Ricoh Co Ltd 投射光学系及び画像投射装置
JP5218592B2 (ja) * 2011-04-25 2013-06-26 株式会社日立製作所 投写光学ユニット及びそれを用いた投写型映像表示装置
CN105208333B (zh) * 2012-12-22 2019-05-10 华为技术有限公司 一种眼镜式通信装置、系统及方法
JP6496977B2 (ja) 2013-03-13 2019-04-10 株式会社リコー 投射光学系、およびプロジェクタ装置
KR101611174B1 (ko) * 2013-09-03 2016-04-11 씨제이씨지브이 주식회사 다면 상영 시스템의 시뮬레이션을 위한 시뮬레이션 시스템
US20170150110A1 (en) * 2015-11-25 2017-05-25 Ziv Nevo Projecting an image on an irregularly shaped display surface
JP6415520B2 (ja) * 2016-11-28 2018-10-31 キヤノン株式会社 結像光学系、それを備える撮像装置及び投射装置
WO2017213058A1 (ja) 2016-06-08 2017-12-14 キヤノン株式会社 結像光学系、それを備える撮像装置及び投射装置
JP2017219740A (ja) * 2016-06-08 2017-12-14 キヤノン株式会社 結像光学系、それを備える撮像装置及び投射装置
JP7019961B2 (ja) * 2017-04-20 2022-02-16 コニカミノルタ株式会社 投影光学系及び投影装置
JP6993251B2 (ja) * 2018-02-01 2022-01-13 リコーインダストリアルソリューションズ株式会社 投射光学系および画像表示装置
CN110471173B (zh) * 2019-08-05 2021-05-11 同济大学 一种带衍射面的四反中波红外取景器光学系统
JP7120259B2 (ja) * 2020-01-24 2022-08-17 セイコーエプソン株式会社 投写光学系、およびプロジェクター

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2510080A (en) * 1946-03-18 1950-06-06 Lawrence J Cuneo Optical projection system
US4348187A (en) * 1980-07-31 1982-09-07 The Singer Company Aerial image visual display
JPH0580418A (ja) 1991-09-19 1993-04-02 Seiko Epson Corp 投射型表示装置
JPH05100312A (ja) 1991-10-09 1993-04-23 Seiko Epson Corp 投射型表示装置
US5825560A (en) 1995-02-28 1998-10-20 Canon Kabushiki Xaisha Optical apparatus
US6166866A (en) 1995-02-28 2000-12-26 Canon Kabushiki Kaisha Reflecting type optical system
DE69623362T2 (de) 1995-02-28 2003-08-07 Canon Kk Zoomobjektiv mit reflektierenden Flächen
US6021004A (en) 1995-02-28 2000-02-01 Canon Kabushiki Kaisha Reflecting type of zoom lens
JP4074005B2 (ja) 1998-07-08 2008-04-09 ミサワホーム株式会社 ユニット式建物
JP4419243B2 (ja) * 2000-01-31 2010-02-24 コニカミノルタオプト株式会社 斜め投影光学系
JP3840031B2 (ja) * 2000-03-09 2006-11-01 キヤノン株式会社 投射光学系及びそれを用いた投射型表示装置
JP2002057963A (ja) * 2000-08-10 2002-02-22 Canon Inc 表示装置

Also Published As

Publication number Publication date
EP1387201A1 (de) 2004-02-04
JP2004061960A (ja) 2004-02-26
US6951395B2 (en) 2005-10-04
EP1387201B1 (de) 2007-07-25
CN1479131A (zh) 2004-03-03
CN1264046C (zh) 2006-07-12
DE60315097T2 (de) 2007-12-13
US20040027544A1 (en) 2004-02-12

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Legal Events

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