HK1110945A1 - Projection lens and projector - Google Patents

Projection lens and projector

Info

Publication number
HK1110945A1
HK1110945A1 HK08105716.4A HK08105716A HK1110945A1 HK 1110945 A1 HK1110945 A1 HK 1110945A1 HK 08105716 A HK08105716 A HK 08105716A HK 1110945 A1 HK1110945 A1 HK 1110945A1
Authority
HK
Hong Kong
Prior art keywords
projector
projection lens
lens
projection
Prior art date
Application number
HK08105716.4A
Other languages
English (en)
Inventor
Makato Sato
Original Assignee
Casio Computer Co Ltd
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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Publication of HK1110945A1 publication Critical patent/HK1110945A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3111—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources
    • H04N9/3114—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources by using a sequential colour filter producing one colour at a time
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Lens Barrels (AREA)
  • Diaphragms For Cameras (AREA)
HK08105716.4A 2006-06-05 2008-05-23 Projection lens and projector HK1110945A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006155769A JP2007322960A (ja) 2006-06-05 2006-06-05 プロジェクタ用投影レンズ及びプロジェクタ

Publications (1)

Publication Number Publication Date
HK1110945A1 true HK1110945A1 (en) 2008-07-25

Family

ID=38789666

Family Applications (1)

Application Number Title Priority Date Filing Date
HK08105716.4A HK1110945A1 (en) 2006-06-05 2008-05-23 Projection lens and projector

Country Status (5)

Country Link
US (1) US7607785B2 (xx)
JP (1) JP2007322960A (xx)
CN (1) CN101114041B (xx)
HK (1) HK1110945A1 (xx)
TW (1) TWI345675B (xx)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8573781B2 (en) * 2007-10-30 2013-11-05 Seiko Epson Corporation Projector and control method for the same
JP5046035B2 (ja) * 2008-02-25 2012-10-10 カシオ計算機株式会社 ズーム投影ユニット及びこのズーム投影ユニットを備えたプロジェクタ
JP2010276979A (ja) * 2009-05-29 2010-12-09 Suwa Optronics:Kk 投射表示装置
TWI401524B (zh) * 2010-02-01 2013-07-11 Compal Communications Inc 投影裝置
JP2011165608A (ja) * 2010-02-15 2011-08-25 Sanyo Electric Co Ltd 表示装置および投写型表示装置
JP2011209398A (ja) * 2010-03-29 2011-10-20 Seiko Epson Corp プロジェクター
JP6395029B2 (ja) * 2014-06-03 2018-09-26 株式会社リコー 投射装置
WO2016158374A1 (ja) 2015-03-31 2016-10-06 富士フイルム株式会社 投射レンズ、プロジェクタ及びその画像劣化防止方法
JP2017044870A (ja) * 2015-08-26 2017-03-02 株式会社リコー 画像表示装置、画像表示ユニット
CN105116485B (zh) * 2015-10-08 2019-06-14 杭州中科极光科技有限公司 光导、激光光源和激光显示系统
JP6685041B2 (ja) * 2015-12-24 2020-04-22 カムイ・イノベーション株式会社 ゴースト低減装置およびこれを備えた撮像装置、ゴースト低減方法、ならびに撮像光学系
JP6670388B2 (ja) * 2016-09-23 2020-03-18 富士フイルム株式会社 投射レンズ及びプロジェクタ
CN107692963B (zh) * 2017-10-25 2019-04-23 视微影像(河南)科技有限公司 一种共聚焦扫描激光眼底镜

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01133014A (ja) * 1987-11-18 1989-05-25 Nikon Corp ズームレンズの光学系相対移動装置
JPH01142609A (ja) * 1987-11-30 1989-06-05 Olympus Optical Co Ltd ズームレンズ鏡筒
JP2612914B2 (ja) * 1988-10-19 1997-05-21 オリンパス光学工業株式会社 複数の液晶素子を備えた光学系
JP3610989B2 (ja) * 1995-03-01 2005-01-19 富士写真フイルム株式会社 撮影レンズの遮光構造
JP3862356B2 (ja) * 1997-04-23 2006-12-27 キヤノン株式会社 レンズ駆動制御装置及びそれを有した撮影装置
JP3983950B2 (ja) 1999-12-28 2007-09-26 株式会社東芝 投射型表示装置
JP4027712B2 (ja) * 2002-04-30 2007-12-26 三菱電機株式会社 画像表示装置
JP2003315650A (ja) * 2002-04-26 2003-11-06 Olympus Optical Co Ltd 光学装置
JP4208232B2 (ja) * 2002-10-29 2009-01-14 フジノン株式会社 投写レンズの異形絞り設置構造およびこれを備えた投写型画像表示装置
JP2004157346A (ja) 2002-11-07 2004-06-03 Chinontec Kk 絞り装置及びプロジェクタ装置
JP2006098936A (ja) * 2004-09-30 2006-04-13 Matsushita Electric Ind Co Ltd 投写型表示装置

Also Published As

Publication number Publication date
TWI345675B (en) 2011-07-21
US20070279602A1 (en) 2007-12-06
JP2007322960A (ja) 2007-12-13
TW200811583A (en) 2008-03-01
CN101114041B (zh) 2010-11-24
CN101114041A (zh) 2008-01-30
US7607785B2 (en) 2009-10-27

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20230604