JP5173293B2 - 光量調節装置 - Google Patents

光量調節装置 Download PDF

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Publication number
JP5173293B2
JP5173293B2 JP2007184602A JP2007184602A JP5173293B2 JP 5173293 B2 JP5173293 B2 JP 5173293B2 JP 2007184602 A JP2007184602 A JP 2007184602A JP 2007184602 A JP2007184602 A JP 2007184602A JP 5173293 B2 JP5173293 B2 JP 5173293B2
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JP
Japan
Prior art keywords
rotary plate
case member
diaphragm
aperture
plate
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
JP2007184602A
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English (en)
Japanese (ja)
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JP2009020438A (ja
JP2009020438A5 (https=
Inventor
弘司 赤田
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 JP2007184602A priority Critical patent/JP5173293B2/ja
Publication of JP2009020438A publication Critical patent/JP2009020438A/ja
Publication of JP2009020438A5 publication Critical patent/JP2009020438A5/ja
Application granted granted Critical
Publication of JP5173293B2 publication Critical patent/JP5173293B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Diaphragms For Cameras (AREA)
JP2007184602A 2007-07-13 2007-07-13 光量調節装置 Expired - Fee Related JP5173293B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007184602A JP5173293B2 (ja) 2007-07-13 2007-07-13 光量調節装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007184602A JP5173293B2 (ja) 2007-07-13 2007-07-13 光量調節装置

Publications (3)

Publication Number Publication Date
JP2009020438A JP2009020438A (ja) 2009-01-29
JP2009020438A5 JP2009020438A5 (https=) 2010-08-19
JP5173293B2 true JP5173293B2 (ja) 2013-04-03

Family

ID=40360097

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007184602A Expired - Fee Related JP5173293B2 (ja) 2007-07-13 2007-07-13 光量調節装置

Country Status (1)

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JP (1) JP5173293B2 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8976435B2 (en) 2010-11-18 2015-03-10 Nisca Corporation Light quantity adjustment apparatus and image pickup apparatus
US8654455B2 (en) * 2011-05-10 2014-02-18 Nisca Corporation Light quantity adjustment apparatus, lens unit and optical apparatus provided with the same
CN109116535B (zh) * 2018-10-23 2025-05-02 温氏食品集团股份有限公司 一种荧光显微镜的遮光装置及遮光控制系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS603821U (ja) * 1983-06-20 1985-01-12 株式会社ニコン 写真レンズの絞り装置
JPS6232266Y2 (https=) * 1985-01-18 1987-08-18
JPH087362B2 (ja) * 1987-11-04 1996-01-29 キヤノン電子株式会社 絞り装置
JPH0413931U (https=) * 1990-05-23 1992-02-04
JPH04133038A (ja) * 1990-09-25 1992-05-07 Olympus Optical Co Ltd カメラの絞り兼用シャッタ
JPH0792524A (ja) * 1993-09-24 1995-04-07 Fuji Photo Optical Co Ltd 絞り装置
JP3671491B2 (ja) * 1996-01-09 2005-07-13 フジノン株式会社 カメラの絞り機構
JP3733177B2 (ja) * 1996-07-02 2006-01-11 キヤノン株式会社 回転駆動装置及び該回転駆動装置を備えた光学機器
JP4261701B2 (ja) * 1999-09-16 2009-04-30 セイコープレシジョン株式会社 絞り装置
JP2002199693A (ja) * 2000-12-26 2002-07-12 Canon Inc 電磁駆動モータ、電磁作動装置、光量調整装置および光学機器

Also Published As

Publication number Publication date
JP2009020438A (ja) 2009-01-29

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