JP5178216B2 - 光量調節装置及びカメラ - Google Patents

光量調節装置及びカメラ Download PDF

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Publication number
JP5178216B2
JP5178216B2 JP2008019586A JP2008019586A JP5178216B2 JP 5178216 B2 JP5178216 B2 JP 5178216B2 JP 2008019586 A JP2008019586 A JP 2008019586A JP 2008019586 A JP2008019586 A JP 2008019586A JP 5178216 B2 JP5178216 B2 JP 5178216B2
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Japan
Prior art keywords
output shaft
gear
stepping motor
cam
cam region
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Expired - Fee Related
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JP2008019586A
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English (en)
Japanese (ja)
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JP2009180921A (ja
JP2009180921A5 (enExample
Inventor
力 青島
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
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2008019586A priority Critical patent/JP5178216B2/ja
Publication of JP2009180921A publication Critical patent/JP2009180921A/ja
Publication of JP2009180921A5 publication Critical patent/JP2009180921A5/ja
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Publication of JP5178216B2 publication Critical patent/JP5178216B2/ja
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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 JP2009180921A5 (enExample) 2011-03-10
JP5178216B2 true JP5178216B2 (ja) 2013-04-10

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ID=41034946

Family Applications (1)

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

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JP (1) JP5178216B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109827818A (zh) * 2019-02-26 2019-05-31 江苏秋泓环境检测有限公司 一种土壤风干箱

Families Citing this family (3)

* 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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5068170U (enExample) * 1973-10-26 1975-06-18
JPS62156662U (enExample) * 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109827818A (zh) * 2019-02-26 2019-05-31 江苏秋泓环境检测有限公司 一种土壤风干箱
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

Also Published As

Publication number Publication date
JP2009180921A (ja) 2009-08-13

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