JP4147214B2 - 光量調節装置および光学機器 - Google Patents

光量調節装置および光学機器 Download PDF

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Publication number
JP4147214B2
JP4147214B2 JP2004296908A JP2004296908A JP4147214B2 JP 4147214 B2 JP4147214 B2 JP 4147214B2 JP 2004296908 A JP2004296908 A JP 2004296908A JP 2004296908 A JP2004296908 A JP 2004296908A JP 4147214 B2 JP4147214 B2 JP 4147214B2
Authority
JP
Japan
Prior art keywords
blades
light
actuator
blade
aperture
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
JP2004296908A
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English (en)
Japanese (ja)
Other versions
JP2006106637A5 (enExample
JP2006106637A (ja
Inventor
晋一 増田
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 JP2004296908A priority Critical patent/JP4147214B2/ja
Priority to CNB2005101058195A priority patent/CN100447654C/zh
Priority to US11/245,692 priority patent/US7374353B2/en
Publication of JP2006106637A publication Critical patent/JP2006106637A/ja
Publication of JP2006106637A5 publication Critical patent/JP2006106637A5/ja
Application granted granted Critical
Publication of JP4147214B2 publication Critical patent/JP4147214B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G03B9/06—Two or more co-operating pivoted blades, e.g. iris type
    • 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
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
    • 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
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
    • G03B9/24—Adjusting size of aperture formed by members when fully open so as to constitute a virtual diaphragm that is adjustable

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Diaphragms For Cameras (AREA)
  • Shutters For Cameras (AREA)
  • Studio Devices (AREA)
JP2004296908A 2004-10-08 2004-10-08 光量調節装置および光学機器 Expired - Fee Related JP4147214B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2004296908A JP4147214B2 (ja) 2004-10-08 2004-10-08 光量調節装置および光学機器
CNB2005101058195A CN100447654C (zh) 2004-10-08 2005-09-29 光量调节装置和光学仪器
US11/245,692 US7374353B2 (en) 2004-10-08 2005-10-07 Light control apparatus and optical apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004296908A JP4147214B2 (ja) 2004-10-08 2004-10-08 光量調節装置および光学機器

Publications (3)

Publication Number Publication Date
JP2006106637A JP2006106637A (ja) 2006-04-20
JP2006106637A5 JP2006106637A5 (enExample) 2007-10-18
JP4147214B2 true JP4147214B2 (ja) 2008-09-10

Family

ID=36145472

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004296908A Expired - Fee Related JP4147214B2 (ja) 2004-10-08 2004-10-08 光量調節装置および光学機器

Country Status (3)

Country Link
US (1) US7374353B2 (enExample)
JP (1) JP4147214B2 (enExample)
CN (1) CN100447654C (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1903364A1 (en) * 2006-09-25 2008-03-26 Dialog Imaging Systems GmbH Compact camera module with stationary actutor for zoom modules with movable shutter and aperture mechanism
JP4189771B2 (ja) * 2007-01-12 2008-12-03 ソニー株式会社 光量調整装置及び撮像装置
KR100933294B1 (ko) * 2007-11-29 2009-12-22 삼성전자주식회사 셔터 및 이를 구비한 마이크로 카메라 모듈
KR20110081700A (ko) * 2010-01-08 2011-07-14 삼성전자주식회사 광 차폐 장치 및 그 제조방법
JP5512301B2 (ja) * 2010-01-26 2014-06-04 Ｈｏｙａ株式会社 開口絞装置
KR20120068569A (ko) 2010-12-17 2012-06-27 삼성전자주식회사 광 차폐 장치 및 이를 구비한 전자 기기
JP5759731B2 (ja) * 2011-01-21 2015-08-05 日本電産サンキョー株式会社 回転駆動装置
JP6103819B2 (ja) * 2011-05-26 2017-03-29 キヤノン株式会社 光学機器
KR101878719B1 (ko) 2011-06-24 2018-07-16 삼성전자 주식회사 광 차폐 장치 및 그 제조 방법
JP5911290B2 (ja) * 2011-12-16 2016-04-27 キヤノン株式会社 光量調節装置及び撮像装置
JP6356743B2 (ja) 2016-03-31 2018-07-11 キヤノン電子株式会社 光量調節装置及び光学機器
US10884317B2 (en) * 2016-12-09 2021-01-05 Nittoh Inc. Optical diaphragm device, lens barrel and imaging device or projection device
CN107483805A (zh) * 2017-10-18 2017-12-15 信利光电股份有限公司 一种摄像装置及电子设备
CN108535934B (zh) * 2018-05-02 2025-03-04 中山市美景光学信息有限公司 一种可变光圈的光学镜头
CN115586686A (zh) * 2021-06-23 2023-01-10 新思考电机有限公司 叶片驱动装置、照相机装置以及电子设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673942A (en) * 1969-10-20 1972-07-04 Us Air Force Camera shutter
DE3719998A1 (de) * 1986-06-16 1987-12-17 Noritsu Kenkyu Center Co Vorrichtung zum transportieren von lichtempfindlichem material
US5970268A (en) * 1995-07-03 1999-10-19 Canon Kabushiki Kaisha Shutter device of camera having a light blocking member with a variable starting position
JP3976836B2 (ja) * 1997-05-13 2007-09-19 キヤノン株式会社 シャッター装置
JP2002350924A (ja) * 2001-05-22 2002-12-04 Olympus Optical Co Ltd 露出調整装置
TWI229231B (en) * 2002-02-21 2005-03-11 Pentax Corp Retractable lens system and method of retracting a retractable lens system
JP4064760B2 (ja) * 2002-08-20 2008-03-19 株式会社リコー 撮影装置
US7553094B2 (en) * 2004-07-01 2009-06-30 Canon Kabushiki Kaisha Light quantity adjusting apparatus, image pickup apparatus and optical apparatus

Also Published As

Publication number Publication date
CN1758131A (zh) 2006-04-12
US20060078331A1 (en) 2006-04-13
JP2006106637A (ja) 2006-04-20
CN100447654C (zh) 2008-12-31
US7374353B2 (en) 2008-05-20

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