JP2001042211A5 - - Google Patents

Download PDF

Info

Publication number
JP2001042211A5
JP2001042211A5 JP1999213373A JP21337399A JP2001042211A5 JP 2001042211 A5 JP2001042211 A5 JP 2001042211A5 JP 1999213373 A JP1999213373 A JP 1999213373A JP 21337399 A JP21337399 A JP 21337399A JP 2001042211 A5 JP2001042211 A5 JP 2001042211A5
Authority
JP
Japan
Prior art keywords
lens
lens group
projection
projection device
refractive power
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.)
Granted
Application number
JP1999213373A
Other languages
English (en)
Japanese (ja)
Other versions
JP4590044B2 (ja
JP2001042211A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP21337399A priority Critical patent/JP4590044B2/ja
Priority claimed from JP21337399A external-priority 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

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 true JP2001042211A5 (fr) 2006-09-07
JP4590044B2 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 (fr)

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
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
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
CA2540516C (fr) * 2003-09-30 2010-02-09 Matsushita Electric Industrial Co., Ltd. Objectif de projection, appareil d'affichage de projection et appareil d'affichage de projection par transparence utilisant l'objectif de projection
KR20120026134A (ko) * 2003-12-05 2012-03-16 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
EP1735660B1 (fr) * 2004-04-15 2012-06-13 Infocus Corporation Objectif de projection grand angle
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

Similar Documents

Publication Publication Date Title
JP2001042211A5 (fr)
US20180003928A1 (en) Magnification optical system
US7931377B2 (en) Screen and projection system
JP2007328130A5 (fr)
EP1059550A4 (fr) Systeme optique de formation d'image par reflexion refraction et appareil d'exposition par projection comprenant le systeme optique
JP6738543B2 (ja) 表示装置及びヘッドアップディスプレイ
JP2003503755A5 (fr)
CA2645135A1 (fr) Appareil d'affichage de type projection, projecteur arriere et systeme multivision
JP6410094B2 (ja) ヘッドアップディスプレイ
US6908199B2 (en) Optical illumination system and image projection system including the same
JP2011085744A (ja) 小型プロジェクタ用投射レンズ
EP1150155A2 (fr) Dispositif d'affichage d'image et système optique
KR100473243B1 (ko) 투사 렌즈 및 이것을 구비한 프로젝터
TW200604720A (en) Projection optical system and pattern writing apparatus
JP2010014816A5 (fr)
TWI588534B (zh) 投影機及其成像模組
JP2001083604A5 (fr)
KR20180088249A (ko) 초단초점 프로젝터 장치
JPH0192718A (ja) 回折格子光学素子で発生する色収差を補正し、回折格子光学素子により画像表示を行なう表示方法
KR102144462B1 (ko) 헤드업 디스플레이 장치
CN110261996B (zh) 基于数字光处理的成像镜头及增强现实设备
US10620523B2 (en) Image projection device
JP4625945B2 (ja) 画像表示装置
KR100248011B1 (ko) 프로젝터용투사렌즈유니트
JP2005106900A (ja) 投射結像光学系