JP5207580B2 - 光量調節装置および撮像装置 - Google Patents

光量調節装置および撮像装置 Download PDF

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Publication number
JP5207580B2
JP5207580B2 JP2005186011A JP2005186011A JP5207580B2 JP 5207580 B2 JP5207580 B2 JP 5207580B2 JP 2005186011 A JP2005186011 A JP 2005186011A JP 2005186011 A JP2005186011 A JP 2005186011A JP 5207580 B2 JP5207580 B2 JP 5207580B2
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JP
Japan
Prior art keywords
opening
blade member
blade
amount
light
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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
JP2005186011A
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English (en)
Japanese (ja)
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JP2006065297A5 (https=
JP2006065297A (ja
Inventor
智幸 工藤
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Canon Inc
Original Assignee
Canon Inc
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2005186011A priority Critical patent/JP5207580B2/ja
Priority to US11/178,539 priority patent/US7374352B2/en
Publication of JP2006065297A publication Critical patent/JP2006065297A/ja
Priority to US12/045,948 priority patent/US7549810B2/en
Publication of JP2006065297A5 publication Critical patent/JP2006065297A5/ja
Application granted granted Critical
Publication of JP5207580B2 publication Critical patent/JP5207580B2/ja
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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Diaphragms For Cameras (AREA)
  • Studio Devices (AREA)
  • Shutters For Cameras (AREA)
JP2005186011A 2004-07-29 2005-06-27 光量調節装置および撮像装置 Expired - Fee Related JP5207580B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2005186011A JP5207580B2 (ja) 2004-07-29 2005-06-27 光量調節装置および撮像装置
US11/178,539 US7374352B2 (en) 2004-07-29 2005-07-11 Light amount adjusting apparatus and image pickup apparatus
US12/045,948 US7549810B2 (en) 2004-07-29 2008-03-11 Light amount adjusting apparatus and image pickup apparatus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004221091 2004-07-29
JP2004221091 2004-07-29
JP2005186011A JP5207580B2 (ja) 2004-07-29 2005-06-27 光量調節装置および撮像装置

Publications (3)

Publication Number Publication Date
JP2006065297A JP2006065297A (ja) 2006-03-09
JP2006065297A5 JP2006065297A5 (https=) 2008-07-31
JP5207580B2 true JP5207580B2 (ja) 2013-06-12

Family

ID=35732331

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005186011A Expired - Fee Related JP5207580B2 (ja) 2004-07-29 2005-06-27 光量調節装置および撮像装置

Country Status (2)

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US (2) US7374352B2 (https=)
JP (1) JP5207580B2 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5207580B2 (ja) * 2004-07-29 2013-06-12 キヤノン株式会社 光量調節装置および撮像装置
US7771132B2 (en) * 2006-08-04 2010-08-10 Tamron Co., Ltd. Shutter unit, shutter unit with built-in lens, and imaging apparatus
JP5311854B2 (ja) 2007-03-23 2013-10-09 キヤノン株式会社 電子写真画像形成装置、現像装置、及び、カップリング部材
CN101755235B (zh) 2007-06-29 2013-01-16 日本电产科宝株式会社 照相机用叶片驱动装置
JP5645379B2 (ja) * 2009-08-17 2014-12-24 キヤノン株式会社 撮像装置
TW201426154A (zh) * 2012-12-26 2014-07-01 Hon Hai Prec Ind Co Ltd 取像鏡頭遮蔽結構
CN211718594U (zh) * 2019-06-14 2020-10-20 台湾东电化股份有限公司 光学元件驱动机构

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55105422U (https=) * 1979-01-19 1980-07-23
JPS62127532U (https=) * 1986-02-04 1987-08-13
JPH06273821A (ja) * 1993-03-19 1994-09-30 Canon Electron Inc 光量制御装置
US5502524A (en) * 1993-10-27 1996-03-26 Eastman Kodak Company Aperture/shutter mechanism with damping member
JP3988091B2 (ja) * 1997-01-17 2007-10-10 フジノン株式会社 露光制御装置
JP3983859B2 (ja) * 1997-10-09 2007-09-26 オリンパス株式会社 レンズシャッタ装置
JP4290299B2 (ja) * 1999-12-28 2009-07-01 日本電産コパル株式会社 カメラ用絞り装置
JP2002090801A (ja) * 2000-09-14 2002-03-27 Nisca Corp 光量制御装置
JP5207580B2 (ja) * 2004-07-29 2013-06-12 キヤノン株式会社 光量調節装置および撮像装置

Also Published As

Publication number Publication date
US20060024050A1 (en) 2006-02-02
US7549810B2 (en) 2009-06-23
US7374352B2 (en) 2008-05-20
JP2006065297A (ja) 2006-03-09
US20080152338A1 (en) 2008-06-26

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