CN100447654C - 光量调节装置和光学仪器 - Google Patents

光量调节装置和光学仪器 Download PDF

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Publication number
CN100447654C
CN100447654C CNB2005101058195A CN200510105819A CN100447654C CN 100447654 C CN100447654 C CN 100447654C CN B2005101058195 A CNB2005101058195 A CN B2005101058195A CN 200510105819 A CN200510105819 A CN 200510105819A CN 100447654 C CN100447654 C CN 100447654C
Authority
CN
China
Prior art keywords
shading member
control apparatus
blade
light amount
amount control
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
CNB2005101058195A
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English (en)
Chinese (zh)
Other versions
CN1758131A (zh
Inventor
增田晋一
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
Publication of CN1758131A publication Critical patent/CN1758131A/zh
Application granted granted Critical
Publication of CN100447654C publication Critical patent/CN100447654C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Diaphragms For Cameras (AREA)
  • Shutters For Cameras (AREA)
  • Studio Devices (AREA)
CNB2005101058195A 2004-10-08 2005-09-29 光量调节装置和光学仪器 Expired - Fee Related CN100447654C (zh)

Applications Claiming Priority (2)

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
JP2004296908 2004-10-08

Publications (2)

Publication Number Publication Date
CN1758131A CN1758131A (zh) 2006-04-12
CN100447654C true CN100447654C (zh) 2008-12-31

Family

ID=36145472

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005101058195A Expired - Fee Related CN100447654C (zh) 2004-10-08 2005-09-29 光量调节装置和光学仪器

Country Status (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102799048A (zh) * 2011-05-26 2012-11-28 佳能株式会社 光量调节装置和具有光量调节装置的光学设备

Families Citing this family (14)

* 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
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
EP3553599B1 (en) * 2016-12-09 2022-09-21 Nittoh Inc. 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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6089760A (en) * 1997-05-13 2000-07-18 Canon Kabushiki Kaisha Shutter device, and apparatus having the same
JP2002350924A (ja) * 2001-05-22 2002-12-04 Olympus Optical Co Ltd 露出調整装置
US20030156832A1 (en) * 2002-02-21 2003-08-21 Pentax Corporation Retractable lens system and method of retracting a retractable lens system
JP2004077852A (ja) * 2002-08-20 2004-03-11 Ricoh Co Ltd 撮影装置

Family Cites Families (3)

* 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
US7553094B2 (en) * 2004-07-01 2009-06-30 Canon Kabushiki Kaisha Light quantity adjusting apparatus, image pickup apparatus and optical apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6089760A (en) * 1997-05-13 2000-07-18 Canon Kabushiki Kaisha Shutter device, and apparatus having the same
JP2002350924A (ja) * 2001-05-22 2002-12-04 Olympus Optical Co Ltd 露出調整装置
US20030156832A1 (en) * 2002-02-21 2003-08-21 Pentax Corporation Retractable lens system and method of retracting a retractable lens system
JP2004077852A (ja) * 2002-08-20 2004-03-11 Ricoh Co Ltd 撮影装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102799048A (zh) * 2011-05-26 2012-11-28 佳能株式会社 光量调节装置和具有光量调节装置的光学设备
CN102799048B (zh) * 2011-05-26 2015-07-29 佳能株式会社 光量调节装置和具有光量调节装置的光学设备

Also Published As

Publication number Publication date
CN1758131A (zh) 2006-04-12
JP4147214B2 (ja) 2008-09-10
US7374353B2 (en) 2008-05-20
JP2006106637A (ja) 2006-04-20
US20060078331A1 (en) 2006-04-13

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20081231

Termination date: 20150929

EXPY Termination of patent right or utility model