JP2006215476A5 - - Google Patents

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Publication number
JP2006215476A5
JP2006215476A5 JP2005030608A JP2005030608A JP2006215476A5 JP 2006215476 A5 JP2006215476 A5 JP 2006215476A5 JP 2005030608 A JP2005030608 A JP 2005030608A JP 2005030608 A JP2005030608 A JP 2005030608A JP 2006215476 A5 JP2006215476 A5 JP 2006215476A5
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JP
Japan
Prior art keywords
lens system
projection lens
refractive power
positive refractive
light
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
JP2005030608A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006215476A (ja
JP4683944B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2005030608A priority Critical patent/JP4683944B2/ja
Priority claimed from JP2005030608A external-priority patent/JP4683944B2/ja
Priority to US11/348,076 priority patent/US7184219B2/en
Publication of JP2006215476A publication Critical patent/JP2006215476A/ja
Publication of JP2006215476A5 publication Critical patent/JP2006215476A5/ja
Application granted granted Critical
Publication of JP4683944B2 publication Critical patent/JP4683944B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2005030608A 2005-02-07 2005-02-07 投写用レンズシステムおよびプロジェクタ装置 Expired - Fee Related JP4683944B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005030608A JP4683944B2 (ja) 2005-02-07 2005-02-07 投写用レンズシステムおよびプロジェクタ装置
US11/348,076 US7184219B2 (en) 2005-02-07 2006-02-06 Projection lens system and projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005030608A JP4683944B2 (ja) 2005-02-07 2005-02-07 投写用レンズシステムおよびプロジェクタ装置

Publications (3)

Publication Number Publication Date
JP2006215476A JP2006215476A (ja) 2006-08-17
JP2006215476A5 true JP2006215476A5 (enExample) 2008-03-27
JP4683944B2 JP4683944B2 (ja) 2011-05-18

Family

ID=36779645

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005030608A Expired - Fee Related JP4683944B2 (ja) 2005-02-07 2005-02-07 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) US7184219B2 (enExample)
JP (1) JP4683944B2 (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7460307B2 (en) * 2004-05-17 2008-12-02 Panasonic Corporation Projector lens system
WO2008029657A1 (en) * 2006-09-04 2008-03-13 Brother Kogyo Kabushiki Kaisha Image projecting device, and projection lens
TWI410671B (zh) * 2008-08-08 2013-10-01 Young Optics Inc 投影鏡頭
US7952817B2 (en) * 2008-08-08 2011-05-31 Young Optics Inc. Projection lens
JP5189451B2 (ja) * 2008-09-30 2013-04-24 リコー光学株式会社 投射用レンズおよび投射型画像表示装置
US7988306B2 (en) * 2008-10-02 2011-08-02 Eastman Kodak Company Afocal attachment for projection lens
US7944623B2 (en) * 2008-12-24 2011-05-17 Young Optics Inc. Fixed-focus lens
JP2010186011A (ja) * 2009-02-12 2010-08-26 Olympus Imaging Corp 広角光学系及びそれを用いた撮像装置
TW201037354A (en) * 2009-04-15 2010-10-16 Young Optics Inc Fixed-focus lens
TWI395046B (zh) * 2009-04-24 2013-05-01 Asia Optical Co Inc Zoom projection lens
JP5275902B2 (ja) * 2009-05-25 2013-08-28 富士フイルム株式会社 投写用広角レンズおよび投写型表示装置
TWI439722B (zh) 2012-07-27 2014-06-01 Young Optics Inc 定焦鏡頭
JP2014206612A (ja) 2013-04-12 2014-10-30 富士フイルム株式会社 投写用レンズおよび投写型表示装置
JP2014206613A (ja) 2013-04-12 2014-10-30 富士フイルム株式会社 投写レンズおよび投写型表示装置
JP2015143861A (ja) * 2015-02-12 2015-08-06 株式会社リコー 投射光学系および画像表示装置
JP6309478B2 (ja) * 2015-03-31 2018-04-11 富士フイルム株式会社 撮像レンズおよび撮像装置
US10571669B2 (en) 2015-12-28 2020-02-25 Young Optics Inc. Optical lens
US10185129B2 (en) * 2017-03-22 2019-01-22 Young Optics Inc. Optical lens
CN107678147B (zh) 2017-09-19 2019-09-17 浙江大华技术股份有限公司 一种透镜系统、鱼眼镜头及图像采集装置
CN114924380B (zh) * 2022-04-29 2023-08-04 歌尔光学科技有限公司 一种光学投影系统以及电子设备
CN114859524B (zh) * 2022-07-07 2022-10-25 沂普光电(天津)有限公司 一种超短焦光学系统及投影设备
CN119291888B (zh) * 2024-10-21 2025-09-05 歌尔光学科技有限公司 投影光机、光学投影系统以及ar光学显示设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2660094A (en) * 1951-07-16 1953-11-24 Taylor Taylor & Hobson Ltd Two member optical objective
JP2000338448A (ja) 1999-05-31 2000-12-08 Minolta Co Ltd 投射型画像表示装置
JP4450296B2 (ja) * 1999-12-10 2010-04-14 フジノン株式会社 投影レンズおよび投影プロジェクタ装置
JP2002365541A (ja) * 2001-06-05 2002-12-18 Chinontec Kk 投写レンズ装置及びプロジェクタ装置
KR100410964B1 (ko) * 2001-07-27 2003-12-18 삼성전기주식회사 프로젝션 디스플레이 장치의 프로젝션 렌즈
JP4366086B2 (ja) * 2003-01-30 2009-11-18 日東光学株式会社 投写用レンズシステムおよびプロジェクタ装置

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