JPH11305117A - 投射レンズ及び投射レンズの焦点調整方法 - Google Patents

投射レンズ及び投射レンズの焦点調整方法

Info

Publication number
JPH11305117A
JPH11305117A JP10115204A JP11520498A JPH11305117A JP H11305117 A JPH11305117 A JP H11305117A JP 10115204 A JP10115204 A JP 10115204A JP 11520498 A JP11520498 A JP 11520498A JP H11305117 A JPH11305117 A JP H11305117A
Authority
JP
Japan
Prior art keywords
lens
lens group
projection
optical path
focal length
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
JP10115204A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11305117A5 (https=
Inventor
Yasuyuki Sugano
靖之 菅野
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP10115204A priority Critical patent/JPH11305117A/ja
Priority to US09/294,380 priority patent/US6144503A/en
Priority to CA002269484A priority patent/CA2269484C/en
Priority to EP99303114A priority patent/EP0952474B1/en
Priority to KR1019990014446A priority patent/KR100591782B1/ko
Priority to ES99303114T priority patent/ES2209331T3/es
Priority to DE69912674T priority patent/DE69912674T2/de
Publication of JPH11305117A publication Critical patent/JPH11305117A/ja
Publication of JPH11305117A5 publication Critical patent/JPH11305117A5/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
    • 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)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Lenses (AREA)
  • Liquid Crystal (AREA)
JP10115204A 1998-04-24 1998-04-24 投射レンズ及び投射レンズの焦点調整方法 Pending JPH11305117A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP10115204A JPH11305117A (ja) 1998-04-24 1998-04-24 投射レンズ及び投射レンズの焦点調整方法
US09/294,380 US6144503A (en) 1998-04-24 1999-04-20 Projection lens and focus adjusting method for projection lens
CA002269484A CA2269484C (en) 1998-04-24 1999-04-21 Projection lens and focus adjusting method for projection lens
EP99303114A EP0952474B1 (en) 1998-04-24 1999-04-22 Projection lens and focus adjusting method for projection lens
KR1019990014446A KR100591782B1 (ko) 1998-04-24 1999-04-22 투사렌즈 및 투사렌즈용 초점조정방법
ES99303114T ES2209331T3 (es) 1998-04-24 1999-04-22 Lente de proyeccion y metodo de ajuste del foco para lente de proyeccion.
DE69912674T DE69912674T2 (de) 1998-04-24 1999-04-22 Projektionsobjektiv und Verfahren zur Fokussierung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10115204A JPH11305117A (ja) 1998-04-24 1998-04-24 投射レンズ及び投射レンズの焦点調整方法

Publications (2)

Publication Number Publication Date
JPH11305117A true JPH11305117A (ja) 1999-11-05
JPH11305117A5 JPH11305117A5 (https=) 2005-07-28

Family

ID=14656942

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10115204A Pending JPH11305117A (ja) 1998-04-24 1998-04-24 投射レンズ及び投射レンズの焦点調整方法

Country Status (7)

Country Link
US (1) US6144503A (https=)
EP (1) EP0952474B1 (https=)
JP (1) JPH11305117A (https=)
KR (1) KR100591782B1 (https=)
CA (1) CA2269484C (https=)
DE (1) DE69912674T2 (https=)
ES (1) ES2209331T3 (https=)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100441591B1 (ko) * 2002-07-02 2004-07-23 삼성전자주식회사 영상투사장치의 투사렌즈계
WO2004090599A1 (ja) * 2003-04-10 2004-10-21 Seiko Epson Corporation 投射レンズ及び投写型画像表示装置
WO2005124419A1 (ja) * 2004-06-17 2005-12-29 Nikon Corporation プロジェクターレンズ及びこのプロジェクターレンズを用いたプロジェクター装置
KR100542760B1 (ko) * 2001-07-31 2006-01-20 엘지전자 주식회사 프로젝션 시스템의 투사렌즈계
US7136232B2 (en) 2004-02-19 2006-11-14 Seiko Epson Corporation Miniature zoom lens
JP2009058904A (ja) * 2007-09-03 2009-03-19 Fujinon Corp 投影レンズおよびこれを用いた投写型表示装置
JP2012238007A (ja) * 2012-07-06 2012-12-06 Hitachi Ltd 投写型映像表示装置および投写光学ユニット
US10502931B2 (en) 2017-01-04 2019-12-10 Largan Precision Co., Ltd. Image picking-up system, image capturing apparatus and electronic device

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001343706A (ja) * 2000-05-31 2001-12-14 Sony Corp 映像表示装置
JP4224938B2 (ja) * 2000-10-17 2009-02-18 コニカミノルタオプト株式会社 斜め投影光学系
JP2003015033A (ja) 2001-06-28 2003-01-15 Minolta Co Ltd 投射光学系
KR20040032903A (ko) 2001-08-28 2004-04-17 소니 가부시끼 가이샤 투사렌즈
US7341353B2 (en) * 2002-08-16 2008-03-11 Infocus Corporation Variable fresnel screen for use in projection device
US7009765B2 (en) * 2002-08-16 2006-03-07 Infocus Corporation Wide angle lens system having a distorted intermediate image
US6896375B2 (en) * 2002-08-16 2005-05-24 Infocus Corporation Rear projection display device having multiple mirrors that are substantially parallel to a screen
US7175287B2 (en) * 2002-08-16 2007-02-13 Infocus Corporation Wide angle projection lens
US7102820B2 (en) * 2002-08-16 2006-09-05 Infocus Corporation Flat valley fresnel lens for a display device
US7150537B2 (en) * 2002-08-16 2006-12-19 Infocus Corporation Projection television device and screen
US6853493B2 (en) 2003-01-07 2005-02-08 3M Innovative Properties Company Folded, telecentric projection lenses for use with pixelized panels
US6765731B1 (en) 2003-03-28 2004-07-20 3M Innovative Properties Company Low element count projection lenses for use with pixelized panels
JP2004354437A (ja) * 2003-05-27 2004-12-16 Fuji Photo Optical Co Ltd リアプロジェクション装置
US7080910B2 (en) * 2003-08-19 2006-07-25 Infocus Corporation Method and system for a thermal architecture and user adjustable keystone in a display device
JP4196815B2 (ja) 2003-11-28 2008-12-17 株式会社日立製作所 背面投写型映像表示装置
EP1698182A1 (en) * 2003-12-16 2006-09-06 Koninklijke Philips Electronics N.V. Rotatable projection lens for rear-projection applications
US7259912B2 (en) 2004-01-06 2007-08-21 Infocus Corporation Fresnel lens having reduced distortions
US7116498B2 (en) * 2004-03-12 2006-10-03 Sony Corporation Projection optical system and image projection apparatus
JP2006047948A (ja) * 2004-06-29 2006-02-16 Konica Minolta Opto Inc 投影光学系およびそれを備えた投影装置
EP1839438B1 (en) * 2004-12-21 2012-01-25 LG Electronics Inc. Thin type projector
KR100672506B1 (ko) * 2004-12-22 2007-01-24 엘지전자 주식회사 프로젝터의 투사 장치
JP4823641B2 (ja) * 2005-10-19 2011-11-24 富士フイルム株式会社 投写レンズおよびこれを用いた投写型表示装置
JP2007225776A (ja) * 2006-02-22 2007-09-06 Konica Minolta Opto Inc 画像投影装置
TWI284747B (en) * 2006-05-18 2007-08-01 Young Optics Inc Fixed-focus lens
KR100862013B1 (ko) 2007-01-23 2008-10-07 정승태 렌즈를 사용하는 광학장치의 결상면 밝기 보정용 필터
JP2008203604A (ja) * 2007-02-21 2008-09-04 Hitachi Ltd 投射型映像表示装置
TW200903026A (en) * 2007-07-12 2009-01-16 Young Optics Inc Fixed-focus lens
US7605988B2 (en) * 2007-07-23 2009-10-20 Angstrom, Inc. Compact image taking lens system with a lens-surfaced prism
US20090185067A1 (en) * 2007-12-21 2009-07-23 Stereo Display, Inc. Compact automatic focusing camera
JP5358280B2 (ja) 2009-05-12 2013-12-04 日立コンシューマエレクトロニクス株式会社 投写ボード装置、及びこれに用いる透過型スクリーン
KR20110120590A (ko) * 2010-04-29 2011-11-04 삼성전자주식회사 광학 시스템 및 이를 적용한 영상투사장치
TWI427323B (zh) * 2011-02-18 2014-02-21 Young Optics Inc 投影鏡頭與投影裝置
JP5652349B2 (ja) 2011-07-25 2015-01-14 株式会社リコー 広角レンズおよび全天球型撮像装置
CN103439783B (zh) * 2011-11-15 2017-09-12 深圳市亿思达科技集团有限公司 一种高分辩率广角投影镜头及投影仪
US10746994B2 (en) * 2014-08-07 2020-08-18 Microsoft Technology Licensing, Llc Spherical mirror having a decoupled aspheric
WO2022028676A1 (en) 2020-08-04 2022-02-10 Huawei Technologies Co., Ltd. Compact imaging apparatus comprising a folded wide angle imaging lens system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4526442A (en) * 1981-01-28 1985-07-02 U.S. Precision Lens, Inc. Compact projection lens
DE3119993A1 (de) * 1981-05-20 1982-12-16 Rolf Dr.-Ing. 7888 Rheinfelden Müller "weitwinkelobjektiv"
US5278698A (en) * 1990-07-06 1994-01-11 Asahi Kogaku Kogyo Kabushiki Kaisha Magnifying projecting lens
JPH04174812A (ja) * 1990-11-08 1992-06-23 Canon Inc レトロフォーカス型レンズ
US5390048A (en) * 1991-12-02 1995-02-14 Matsushita Electric Industrial Co., Ltd. Projection lens assembly and projection display apparatus
US5296967A (en) * 1992-03-02 1994-03-22 U.S. Precision Lens Incorporated High speed wide angle projection TV lens system
JP3433266B2 (ja) * 1993-06-15 2003-08-04 三菱電機株式会社 投写レンズ
KR100210247B1 (ko) * 1996-01-24 1999-07-15 윤종용 광화각 액정 프로젝션 렌즈 시스템
US5870228A (en) * 1996-05-24 1999-02-09 U.S. Precision Lens Inc. Projection lenses having larger back focal length to focal length ratios

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100542760B1 (ko) * 2001-07-31 2006-01-20 엘지전자 주식회사 프로젝션 시스템의 투사렌즈계
KR100441591B1 (ko) * 2002-07-02 2004-07-23 삼성전자주식회사 영상투사장치의 투사렌즈계
WO2004090599A1 (ja) * 2003-04-10 2004-10-21 Seiko Epson Corporation 投射レンズ及び投写型画像表示装置
US6947222B2 (en) 2003-04-10 2005-09-20 Seiko Epson Corporation Projection lens and projection image display apparatus
US7136232B2 (en) 2004-02-19 2006-11-14 Seiko Epson Corporation Miniature zoom lens
WO2005124419A1 (ja) * 2004-06-17 2005-12-29 Nikon Corporation プロジェクターレンズ及びこのプロジェクターレンズを用いたプロジェクター装置
JP2009058904A (ja) * 2007-09-03 2009-03-19 Fujinon Corp 投影レンズおよびこれを用いた投写型表示装置
JP2012238007A (ja) * 2012-07-06 2012-12-06 Hitachi Ltd 投写型映像表示装置および投写光学ユニット
US10502931B2 (en) 2017-01-04 2019-12-10 Largan Precision Co., Ltd. Image picking-up system, image capturing apparatus and electronic device
US11215797B2 (en) 2017-01-04 2022-01-04 Largan Precision Co., Ltd. Image picking-up system, image capturing apparatus and electronic device
US11675169B2 (en) 2017-01-04 2023-06-13 Largan Precision Co., Ltd. Image picking-up system, image capturing apparatus and electronic device
US12061323B2 (en) 2017-01-04 2024-08-13 Largan Precision Co., Ltd. Image picking-up system, image capturing apparatus and electronic device

Also Published As

Publication number Publication date
ES2209331T3 (es) 2004-06-16
US6144503A (en) 2000-11-07
EP0952474A3 (en) 2001-10-17
DE69912674T2 (de) 2004-09-23
CA2269484A1 (en) 1999-10-24
KR100591782B1 (ko) 2006-06-23
EP0952474A2 (en) 1999-10-27
KR19990083411A (ko) 1999-11-25
EP0952474B1 (en) 2003-11-12
DE69912674D1 (de) 2003-12-18
CA2269484C (en) 2007-10-09

Similar Documents

Publication Publication Date Title
JPH11305117A (ja) 投射レンズ及び投射レンズの焦点調整方法
JP3982363B2 (ja) 投射レンズ、プロジェクション表示装置
US7576923B2 (en) Zoom lens and image projection apparatus having the same
EP1806612B1 (en) Projection optical system and projection type image display device
US7079324B2 (en) Zoom lens and image projection apparatus including the same
JP3244606B2 (ja) レトロフォーカス型レンズ
JP3429291B2 (ja) プロジェクションディスプレイ装置のプロジェクションレンズ
JP4225437B2 (ja) レトロフォーカス型レンズ
US6937401B2 (en) Projection lens
US7667898B2 (en) Zoom lens and projector
JP4590044B2 (ja) 投射装置
US6473244B1 (en) Projection lens
JP3500210B2 (ja) 液晶プロジェクターの投射光学系装置
JP2001124988A (ja) 投射レンズ
JP2001264634A (ja) リアプロジェクション光学系
JP3285538B2 (ja) 投写型表示装置
JPH11249010A (ja) プロジェクター光学系
JP2003005069A (ja) 投射レンズ系
JP2001249275A (ja) ズームレンズ及びこれを備えた投射表示装置
JP2000171703A (ja) 投射レンズ
JPH11305116A (ja) 投射レンズ
JPH11326763A (ja) ズームレンズ及びそれを用いた投影装置
JP2924377B2 (ja) 投写レンズおよび投写型表示装置
JP2003066329A (ja) 投射レンズ、及び映像表示装置
JP2000171702A (ja) 投射レンズ

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20041224

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20041224

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20070611

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20071113

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20080311