JP2009180921A5 - - Google Patents

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Publication number
JP2009180921A5
JP2009180921A5 JP2008019586A JP2008019586A JP2009180921A5 JP 2009180921 A5 JP2009180921 A5 JP 2009180921A5 JP 2008019586 A JP2008019586 A JP 2008019586A JP 2008019586 A JP2008019586 A JP 2008019586A JP 2009180921 A5 JP2009180921 A5 JP 2009180921A5
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JP
Japan
Prior art keywords
output shaft
gear
stepping motor
cam region
diaphragm
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.)
Granted
Application number
JP2008019586A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009180921A (ja
JP5178216B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2008019586A priority Critical patent/JP5178216B2/ja
Priority claimed from JP2008019586A external-priority patent/JP5178216B2/ja
Publication of JP2009180921A publication Critical patent/JP2009180921A/ja
Publication of JP2009180921A5 publication Critical patent/JP2009180921A5/ja
Application granted granted Critical
Publication of JP5178216B2 publication Critical patent/JP5178216B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2008019586A 2008-01-30 2008-01-30 光量調節装置及びカメラ Expired - Fee Related JP5178216B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008019586A JP5178216B2 (ja) 2008-01-30 2008-01-30 光量調節装置及びカメラ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008019586A JP5178216B2 (ja) 2008-01-30 2008-01-30 光量調節装置及びカメラ

Publications (3)

Publication Number Publication Date
JP2009180921A JP2009180921A (ja) 2009-08-13
JP2009180921A5 true JP2009180921A5 (https=) 2011-03-10
JP5178216B2 JP5178216B2 (ja) 2013-04-10

Family

ID=41034946

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008019586A Expired - Fee Related JP5178216B2 (ja) 2008-01-30 2008-01-30 光量調節装置及びカメラ

Country Status (1)

Country Link
JP (1) JP5178216B2 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8503104B2 (en) 2010-09-10 2013-08-06 Canon Kabushiki Kaisha Motor having small size and high output, and light amount adjustment device equipped with the motor
JP5134697B2 (ja) * 2011-02-10 2013-01-30 株式会社東京マイクロ 絞り装置
JP6021475B2 (ja) * 2012-07-03 2016-11-09 キヤノン株式会社 撮像装置
CN109827818B (zh) * 2019-02-26 2021-03-30 江苏秋泓环境检测有限公司 一种土壤风干箱

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5068170U (https=) * 1973-10-26 1975-06-18
JPS62156662U (https=) * 1986-02-21 1987-10-05
DE3626452A1 (de) * 1986-08-05 1988-02-18 Koenig & Bauer Ag Einrichtung zur beseitigung des spiels der zaehne von antriebszahnraedern eines zahnradgetriebes in einer bogenrotationsdruckmaschine
JP3526974B2 (ja) * 1995-06-13 2004-05-17 理想科学工業株式会社 バックラッシュ反転抑制手段を有するカム装置
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
JP2003322893A (ja) * 2002-04-30 2003-11-14 Canon Inc 光量調節装置及び光学機器
JP2007047289A (ja) * 2005-08-08 2007-02-22 Canon Inc 光量調節装置および光学機器

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