JP4590044B2 - 投射装置 - Google Patents

投射装置 Download PDF

Info

Publication number
JP4590044B2
JP4590044B2 JP21337399A JP21337399A JP4590044B2 JP 4590044 B2 JP4590044 B2 JP 4590044B2 JP 21337399 A JP21337399 A JP 21337399A JP 21337399 A JP21337399 A JP 21337399A JP 4590044 B2 JP4590044 B2 JP 4590044B2
Authority
JP
Japan
Prior art keywords
lens
projection
lens group
optical path
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.)
Expired - Fee Related
Application number
JP21337399A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001042211A5 (enExample
JP2001042211A (ja
Inventor
健 和田
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 JP21337399A priority Critical patent/JP4590044B2/ja
Publication of JP2001042211A publication Critical patent/JP2001042211A/ja
Publication of JP2001042211A5 publication Critical patent/JP2001042211A5/ja
Application granted granted Critical
Publication of JP4590044B2 publication Critical patent/JP4590044B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/04—Reversed telephoto objectives
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Liquid Crystal (AREA)
JP21337399A 1999-07-28 1999-07-28 投射装置 Expired - Fee Related JP4590044B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21337399A JP4590044B2 (ja) 1999-07-28 1999-07-28 投射装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21337399A JP4590044B2 (ja) 1999-07-28 1999-07-28 投射装置

Publications (3)

Publication Number Publication Date
JP2001042211A JP2001042211A (ja) 2001-02-16
JP2001042211A5 JP2001042211A5 (enExample) 2006-09-07
JP4590044B2 true JP4590044B2 (ja) 2010-12-01

Family

ID=16638124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21337399A Expired - Fee Related JP4590044B2 (ja) 1999-07-28 1999-07-28 投射装置

Country Status (1)

Country Link
JP (1) JP4590044B2 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4709411B2 (ja) * 2001-04-05 2011-06-22 マミヤ・デジタル・イメージング株式会社 レトロフォーカス型超広角レンズ
JP2003015033A (ja) 2001-06-28 2003-01-15 Minolta Co Ltd 投射光学系
US7150537B2 (en) * 2002-08-16 2006-12-19 Infocus Corporation Projection television device and screen
US7009765B2 (en) 2002-08-16 2006-03-07 Infocus Corporation Wide angle lens system having a distorted intermediate image
JP2004326079A (ja) 2003-04-10 2004-11-18 Seiko Epson Corp 投射レンズ及び投写型画像表示装置
CN100356227C (zh) * 2003-04-10 2007-12-19 精工爱普生株式会社 投射透镜和投影型图像显示装置
WO2005033765A1 (ja) * 2003-09-30 2005-04-14 Matsushita Electric Industrial Co., Ltd. 投写レンズ、並びにこの投写レンズを用いた投写型表示装置及び背面投写型表示装置
KR101233911B1 (ko) * 2003-12-05 2013-02-15 쓰리엠 이노베이티브 프로퍼티즈 컴파니 광각 투사 렌즈 및 투사 디스플레이 장치용 광학 엔진
JP4333401B2 (ja) 2004-02-19 2009-09-16 セイコーエプソン株式会社 小型ズームレンズ
JP2007532981A (ja) * 2004-04-15 2007-11-15 インフォーカス コーポレイション 広角投影レンズ
JP4731938B2 (ja) * 2004-05-13 2011-07-27 株式会社リコー 画像表示装置・投射光学系
JP2005331649A (ja) 2004-05-19 2005-12-02 Nitto Kogaku Kk 投写用レンズシステムおよびプロジェクタ装置
US7400461B2 (en) 2004-09-29 2008-07-15 Nittoh Kogaku K.K. Lens holder and lens unit
JP4774224B2 (ja) * 2005-03-30 2011-09-14 富士フイルム株式会社 投射装置
JP4950645B2 (ja) * 2006-12-07 2012-06-13 キヤノン株式会社 光学系及びそれを有する撮像装置
JP5206067B2 (ja) * 2008-03-28 2013-06-12 セイコーエプソン株式会社 投射装置及び画像表示装置
JP6713639B2 (ja) * 2016-10-31 2020-06-24 株式会社ｎｉｔｔｏｈ 投射光学系及び投影装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05188287A (ja) * 1992-01-10 1993-07-30 Canon Inc レトロフォーカス型レンズ
JPH08227039A (ja) * 1995-02-21 1996-09-03 Copal Co Ltd ズームレンズ
KR100210247B1 (ko) * 1996-01-24 1999-07-15 윤종용 광화각 액정 프로젝션 렌즈 시스템
JPH11142731A (ja) * 1997-11-12 1999-05-28 Canon Inc 投射レンズ及びそれを有したプロジェクション装置

Also Published As

Publication number Publication date
JP2001042211A (ja) 2001-02-16

Similar Documents

Publication Publication Date Title
JP4612824B2 (ja) 画像投射装置
JP5535542B2 (ja) 投射用ズームレンズおよび投射型表示装置
JP3588283B2 (ja) 投写レンズとそれを用いたプロジェクター
JP5152833B2 (ja) 投影用ズームレンズおよび投写型表示装置
JP5431077B2 (ja) 投写レンズおよび投写型表示装置
JP4590044B2 (ja) 投射装置
JP3445404B2 (ja) 投影レンズ及び投影装置
JP5254146B2 (ja) 投写用広角ズームレンズおよび投写型表示装置
JP2003015033A (ja) 投射光学系
JPH11305117A (ja) 投射レンズ及び投射レンズの焦点調整方法
JP4419243B2 (ja) 斜め投影光学系
JP4599071B2 (ja) ズームレンズ及びそれを有する画像投射装置
JP5026929B2 (ja) 投射用レンズおよび投射型画像表示装置
JP4340469B2 (ja) 投射用レンズおよび投射型画像表示装置
JP4847110B2 (ja) 投射用レンズおよび投射型画像表示装置
JP4211373B2 (ja) 投射レンズ及びこれを備えたプロジェクター
JP4689147B2 (ja) 投射用ズームレンズおよび拡大投射装置
JP2006184723A (ja) ズームレンズおよび光学機器
JP4418650B2 (ja) ズームレンズ及びそれを有する画像投射装置
JP2007304268A (ja) ズームレンズ及びそれを有する画像投射装置
JP4340468B2 (ja) 投射用レンズおよび投射型画像表示装置
JP2003005069A (ja) 投射レンズ系
JP4177633B2 (ja) 広角レンズとそれを用いた映像拡大投写システム、ビデオプロジェクター、リアプロジェクター、及びマルチビジョンシステム
JP2005084456A (ja) コンパクトなレトロフォーカスレンズ
JP4143170B2 (ja) ズームレンズ及びそれを用いた投影装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060724

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060724

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20091009

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20091201

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100127

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20100622

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100823

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20100907

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100913

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130917

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees