TWI346246B - Zoom lens and projector unit - Google Patents

Zoom lens and projector unit

Info

Publication number
TWI346246B
TWI346246B TW096126484A TW96126484A TWI346246B TW I346246 B TWI346246 B TW I346246B TW 096126484 A TW096126484 A TW 096126484A TW 96126484 A TW96126484 A TW 96126484A TW I346246 B TWI346246 B TW I346246B
Authority
TW
Taiwan
Prior art keywords
zoom lens
projector unit
projector
unit
zoom
Prior art date
Application number
TW096126484A
Other languages
English (en)
Other versions
TW200813609A (en
Inventor
Etsuro Kawakami
Yasuyuki Tejima
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 TW200813609A publication Critical patent/TW200813609A/zh
Application granted granted Critical
Publication of TWI346246B publication Critical patent/TWI346246B/zh

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/177—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a negative front lens or group of lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/142—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having two groups only
    • G02B15/1425—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having two groups only the first group being negative
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0062—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0087—Simple or compound lenses with index gradient
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses
    • 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
    • G03B21/14—Details
    • G03B21/142—Adjusting of projection optics
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B2003/0093—Simple or compound lenses characterised by the shape

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
TW096126484A 2006-07-24 2007-07-20 Zoom lens and projector unit TWI346246B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006201334A JP5023592B2 (ja) 2006-07-24 2006-07-24 ズームレンズ及びプロジェクタ装置

Publications (2)

Publication Number Publication Date
TW200813609A TW200813609A (en) 2008-03-16
TWI346246B true TWI346246B (en) 2011-08-01

Family

ID=38971207

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096126484A TWI346246B (en) 2006-07-24 2007-07-20 Zoom lens and projector unit

Country Status (5)

Country Link
US (1) US7619831B2 (zh)
JP (1) JP5023592B2 (zh)
KR (1) KR100847643B1 (zh)
CN (1) CN101114049B (zh)
TW (1) TWI346246B (zh)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4983127B2 (ja) * 2006-07-24 2012-07-25 カシオ計算機株式会社 ズームレンズ及びプロジェクタ装置
JP4983126B2 (ja) * 2006-07-24 2012-07-25 カシオ計算機株式会社 ズームレンズ及びプロジェクタ装置
JP4193887B2 (ja) * 2006-07-31 2008-12-10 カシオ計算機株式会社 ズームレンズ及びプロジェクタ装置
JP4995599B2 (ja) * 2007-03-02 2012-08-08 株式会社タムロン ズームレンズ
JP5263589B2 (ja) * 2008-08-13 2013-08-14 株式会社ニコン ズームレンズ系、このズームレンズ系を備えた光学機器、及び、ズームレンズ系を用いた変倍方法
JP5326594B2 (ja) * 2009-01-21 2013-10-30 カシオ計算機株式会社 ズームレンズ及びそれを用いたプロジェクタ装置
CN101995647B (zh) * 2009-08-24 2012-06-06 亚洲光学股份有限公司 变焦投影镜头
KR101670054B1 (ko) * 2009-10-14 2016-10-27 삼성전자 주식회사 줌 렌즈 및 이를 구비한 촬상 장치
JP2011112908A (ja) * 2009-11-27 2011-06-09 Fujifilm Corp 変倍光学系および撮像装置
WO2012117720A1 (ja) 2011-02-28 2012-09-07 富士フイルム株式会社 変倍光学系および撮像装置
WO2012153505A1 (ja) * 2011-05-09 2012-11-15 富士フイルム株式会社 変倍光学系および撮像装置
JP2012242688A (ja) * 2011-05-20 2012-12-10 Tamron Co Ltd ズームレンズ
CN102221767A (zh) * 2011-06-29 2011-10-19 苏州佳世达光电有限公司 投影装置
WO2013031188A1 (ja) * 2011-08-29 2013-03-07 富士フイルム株式会社 ズームレンズおよび撮像装置
CN103293642B (zh) * 2012-03-02 2015-08-26 扬明光学股份有限公司 投影镜头和投影装置
TWI507727B (zh) * 2013-04-30 2015-11-11 Young Optics Inc 變焦鏡頭
JP6156848B2 (ja) * 2014-05-27 2017-07-05 富士フイルム株式会社 変倍光学系および撮像装置
CN113238439A (zh) * 2021-07-09 2021-08-10 南京芯视元电子有限公司 一种投影显示模组和穿戴设备

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5952212A (ja) * 1982-09-18 1984-03-26 Canon Inc ズ−ムレンズ
JPH06230283A (ja) * 1993-02-01 1994-08-19 Hitachi Ltd ズームレンズ
JP3175411B2 (ja) * 1993-06-25 2001-06-11 キヤノン株式会社 ズームレンズ
JP3476914B2 (ja) * 1994-07-21 2003-12-10 リコー光学株式会社 投影用ズームレンズ
US5737129A (en) * 1994-12-26 1998-04-07 Nikon Corporation Wide-angle zoom lens
JP3519817B2 (ja) * 1995-04-05 2004-04-19 富士写真フイルム株式会社 ズームレンズ
JP3528946B2 (ja) * 1995-06-05 2004-05-24 株式会社ニコン ズームレンズ
JPH09211327A (ja) * 1996-01-31 1997-08-15 Nikon Corp ズームレンズ
JP3686178B2 (ja) * 1996-08-23 2005-08-24 オリンパス株式会社 ズームレンズ
JPH10206734A (ja) * 1997-01-17 1998-08-07 Asahi Optical Co Ltd ズームレンズ
JPH10282416A (ja) * 1997-04-09 1998-10-23 Minolta Co Ltd ズームレンズ
US6308011B1 (en) * 1998-03-31 2001-10-23 Canon Kabushiki Kaisha Zoom lens and photographic apparatus having the same
JP2000275520A (ja) * 1999-03-24 2000-10-06 Minolta Co Ltd ズームレンズ
US6412972B1 (en) * 1999-12-10 2002-07-02 Altman Stage Lighting Company Digital light protection apparatus with digital micromirror device and rotatable housing
JP4519232B2 (ja) 1999-12-28 2010-08-04 株式会社シグマ ズームレンズ
US6618210B2 (en) * 2000-07-07 2003-09-09 Olympus Optical Co., Ltd. Zoom lens system and image pickup apparatus having the same
JP4294299B2 (ja) * 2001-11-26 2009-07-08 オリンパス株式会社 ズームレンズ及びそれを用いた電子撮像装置
JP2004093593A (ja) * 2002-08-29 2004-03-25 Konica Minolta Holdings Inc ズームレンズ
JP4325200B2 (ja) * 2003-01-24 2009-09-02 株式会社ニコン ズームレンズ
JP2006053437A (ja) * 2004-08-13 2006-02-23 Nikon Corp ズームレンズ
JP4204351B2 (ja) * 2003-02-28 2009-01-07 京セラ株式会社 ズームレンズ
JP4107109B2 (ja) 2003-03-06 2008-06-25 カシオ計算機株式会社 投影レンズ
JP4380200B2 (ja) * 2003-04-08 2009-12-09 カシオ計算機株式会社 投影レンズ
US7152979B2 (en) * 2003-08-14 2006-12-26 Christie Digital Systems, Inc. Projector with sealed light valve
US6943958B2 (en) * 2003-08-20 2005-09-13 Olympus Corporation Zoom lens system and camera using the same
JP2005300858A (ja) * 2004-04-09 2005-10-27 Tokai Univ ズームレンズ
JP2005316183A (ja) * 2004-04-28 2005-11-10 Canon Electronics Inc ズームレンズ及びそれを有する撮像装置
JP2006106109A (ja) * 2004-09-30 2006-04-20 Nikon Corp 非球面レンズ、該非球面レンズを備えた光学装置
JP4588416B2 (ja) * 2004-11-04 2010-12-01 富士フイルム株式会社 防振機能を備えたズームレンズ
JP4700953B2 (ja) * 2004-11-17 2011-06-15 日東光学株式会社 投写用ズームレンズおよびプロジェクタ装置
TWI285272B (en) * 2005-03-23 2007-08-11 Ind Tech Res Inst Variable focus lens assembly
JP4983126B2 (ja) * 2006-07-24 2012-07-25 カシオ計算機株式会社 ズームレンズ及びプロジェクタ装置
JP4983127B2 (ja) * 2006-07-24 2012-07-25 カシオ計算機株式会社 ズームレンズ及びプロジェクタ装置
JP4193887B2 (ja) * 2006-07-31 2008-12-10 カシオ計算機株式会社 ズームレンズ及びプロジェクタ装置

Also Published As

Publication number Publication date
TW200813609A (en) 2008-03-16
CN101114049B (zh) 2010-06-02
US7619831B2 (en) 2009-11-17
CN101114049A (zh) 2008-01-30
KR100847643B1 (ko) 2008-07-21
US20080019021A1 (en) 2008-01-24
JP5023592B2 (ja) 2012-09-12
KR20080009637A (ko) 2008-01-29
JP2008026750A (ja) 2008-02-07

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees