JP5173979B2 - 絞り装置およびそれを有するレンズ鏡筒並びに撮像装置 - Google Patents

絞り装置およびそれを有するレンズ鏡筒並びに撮像装置 Download PDF

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Publication number
JP5173979B2
JP5173979B2 JP2009241133A JP2009241133A JP5173979B2 JP 5173979 B2 JP5173979 B2 JP 5173979B2 JP 2009241133 A JP2009241133 A JP 2009241133A JP 2009241133 A JP2009241133 A JP 2009241133A JP 5173979 B2 JP5173979 B2 JP 5173979B2
Authority
JP
Japan
Prior art keywords
diaphragm
opening
aperture
blade
blades
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
JP2009241133A
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English (en)
Japanese (ja)
Other versions
JP2011090028A5 (enExample
JP2011090028A (ja
Inventor
智基 長谷川
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 JP2009241133A priority Critical patent/JP5173979B2/ja
Priority to US12/904,973 priority patent/US8142085B2/en
Priority to CN2010105099903A priority patent/CN102043305B/zh
Publication of JP2011090028A publication Critical patent/JP2011090028A/ja
Priority to US13/399,745 priority patent/US8465218B2/en
Publication of JP2011090028A5 publication Critical patent/JP2011090028A5/ja
Application granted granted Critical
Publication of JP5173979B2 publication Critical patent/JP5173979B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/02—Diaphragms
    • 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
    • G02B15/144—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 four groups only
    • G02B15/1441—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 four groups only the first group being positive
    • G02B15/144113—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 four groups only the first group being positive arranged +-++
    • 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
    • G02B15/163—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 first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
    • G02B15/167—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 first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
    • G02B15/173—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 first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses arranged +-+
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
    • G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Diaphragms For Cameras (AREA)
JP2009241133A 2009-10-20 2009-10-20 絞り装置およびそれを有するレンズ鏡筒並びに撮像装置 Expired - Fee Related JP5173979B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2009241133A JP5173979B2 (ja) 2009-10-20 2009-10-20 絞り装置およびそれを有するレンズ鏡筒並びに撮像装置
US12/904,973 US8142085B2 (en) 2009-10-20 2010-10-14 Aperture unit and lens barrel including the same
CN2010105099903A CN102043305B (zh) 2009-10-20 2010-10-15 光圈单元以及包括该光圈单元的透镜镜筒
US13/399,745 US8465218B2 (en) 2009-10-20 2012-02-17 Aperture unit and lens barrel including the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009241133A JP5173979B2 (ja) 2009-10-20 2009-10-20 絞り装置およびそれを有するレンズ鏡筒並びに撮像装置

Publications (3)

Publication Number Publication Date
JP2011090028A JP2011090028A (ja) 2011-05-06
JP2011090028A5 JP2011090028A5 (enExample) 2012-08-02
JP5173979B2 true JP5173979B2 (ja) 2013-04-03

Family

ID=43879376

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009241133A Expired - Fee Related JP5173979B2 (ja) 2009-10-20 2009-10-20 絞り装置およびそれを有するレンズ鏡筒並びに撮像装置

Country Status (3)

Country Link
US (2) US8142085B2 (enExample)
JP (1) JP5173979B2 (enExample)
CN (1) CN102043305B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160092759A (ko) 2015-01-28 2016-08-05 한화테크윈 주식회사 광량 조절 장치
EP3187931A1 (en) 2015-12-31 2017-07-05 Hanwha Techwin Co., Ltd. Light amount adjusting device

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5173979B2 (ja) * 2009-10-20 2013-04-03 キヤノン株式会社 絞り装置およびそれを有するレンズ鏡筒並びに撮像装置
TW201245768A (en) * 2011-03-29 2012-11-16 Sony Corp Image pickup apparatus, image pickup device, image processing method, aperture control method, and program
CN104106003A (zh) * 2012-02-01 2014-10-15 株式会社尼康 摄像装置
US9285653B2 (en) * 2012-11-06 2016-03-15 Raytheon Company Variable aperture mechanism for creating different aperture sizes in cameras and other imaging devices
US9544477B2 (en) * 2013-01-24 2017-01-10 Cbc Co., Ltd. CCTV lens and method of correcting CCTV lens
CN104035263A (zh) 2013-03-08 2014-09-10 Jvc建伍株式会社 光量调整装置以及摄像装置
CN107003434B (zh) * 2015-01-28 2020-08-07 麦克赛尔株式会社 防眩光部件、透镜装置和光学装置
CN104749767B (zh) * 2015-03-13 2017-05-03 中国科学院西安光学精密机械研究所 高精度电控光阑装置
JP6785640B2 (ja) * 2016-12-15 2020-11-18 日本電産コパル株式会社 撮像用光学装置
KR102172635B1 (ko) * 2018-07-20 2020-11-03 삼성전기주식회사 조리개 모듈
CN109100862A (zh) * 2018-09-03 2018-12-28 中国科学院长春光学精密机械与物理研究所 成像系统及可变光阑的控制结构
DE102019128573A1 (de) * 2019-10-23 2021-04-29 Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg Streulichtblende für ein kinematografisches Kamerasystem
TWI770672B (zh) * 2020-11-12 2022-07-11 大陸商信泰光學（深圳）有限公司 光圈組件
CN114488652A (zh) * 2020-11-12 2022-05-13 信泰光学(深圳)有限公司 光圈组件
CN115516373B (zh) * 2021-04-14 2025-09-09 北京小米移动软件有限公司 光圈装置、具备光圈装置的摄像头模块、电子设备
CN113347345B (zh) * 2021-06-28 2025-02-25 江西晶浩光学有限公司 光圈组件、摄像模组及电子设备
CN113960850A (zh) * 2021-10-14 2022-01-21 中山联合光电科技股份有限公司 可变光圈结构及镜头
KR20250051069A (ko) * 2022-08-15 2025-04-16 후아웨이 테크놀러지 컴퍼니 리미티드 카메라 모듈용 가변 조리개 디바이스 및 이를 포함하는 제품
WO2024239150A1 (zh) 2023-05-19 2024-11-28 北京小米移动软件有限公司 光圈机构
CN119439577A (zh) * 2023-07-31 2025-02-14 北京小米移动软件有限公司 光圈结构、镜头总成及终端

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4797700A (en) * 1985-06-28 1989-01-10 Canon Kabushiki Kaisha Diaphragm device
JPH063520B2 (ja) 1985-10-30 1994-01-12 キヤノン株式会社 絞り装置
JPH0637400Y2 (ja) * 1987-06-26 1994-09-28 株式会社コパル 遮光羽根装置
JPH04119434U (ja) * 1991-04-09 1992-10-26 ミノルタカメラ株式会社 絞り装置
JPH05241224A (ja) * 1992-02-26 1993-09-21 Minolta Camera Co Ltd 絞り装置
JPH1062835A (ja) * 1996-08-19 1998-03-06 Sony Corp 光量絞り装置
JPH10301159A (ja) 1997-04-25 1998-11-13 Victor Co Of Japan Ltd 絞り装置
JP2000352737A (ja) * 1999-06-14 2000-12-19 Canon Inc 光量調節装置およびこれを備えた機器
US6866431B2 (en) * 2002-02-19 2005-03-15 Canon Kabushiki Kaisha Light amount adjustment apparatus, manufacturing method, and photographing apparatus
JP4200270B2 (ja) * 2002-05-30 2008-12-24 パナソニック株式会社 光量調整装置、レンズ鏡筒、撮像装置
GB2416218B (en) * 2003-05-29 2007-03-21 Nihon Seimitsu Sokki Co Ltd Diaphragm device
JP2006145739A (ja) * 2004-11-18 2006-06-08 Sony Corp 撮像装置及び光量調節機構
JP4659710B2 (ja) * 2006-09-11 2011-03-30 セイコープレシジョン株式会社 光量調節装置
US8164813B1 (en) * 2007-06-16 2012-04-24 Opto-Knowledge Systems, Inc. Non-circular continuous variable aperture or shutter for infrared cameras
JP5173979B2 (ja) * 2009-10-20 2013-04-03 キヤノン株式会社 絞り装置およびそれを有するレンズ鏡筒並びに撮像装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160092759A (ko) 2015-01-28 2016-08-05 한화테크윈 주식회사 광량 조절 장치
EP3187931A1 (en) 2015-12-31 2017-07-05 Hanwha Techwin Co., Ltd. Light amount adjusting device
KR20170079991A (ko) 2015-12-31 2017-07-10 한화테크윈 주식회사 광량 조절 장치
US10025161B2 (en) 2015-12-31 2018-07-17 Hanwha Techwin Co., Ltd. Light amount adjusting device

Also Published As

Publication number Publication date
US8465218B2 (en) 2013-06-18
US20120147446A1 (en) 2012-06-14
US20110091198A1 (en) 2011-04-21
CN102043305A (zh) 2011-05-04
CN102043305B (zh) 2013-04-03
JP2011090028A (ja) 2011-05-06
US8142085B2 (en) 2012-03-27

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