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
- Authority
- 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
Links
- 230000001429 stepping Effects 0.000 claims 8
- 230000001105 regulatory Effects 0.000 claims 5
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 (zh) | 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 (zh) |
Families Citing this family (4)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5068170U (zh) * | 1973-10-26 | 1975-06-18 | ||
JPS62156662U (zh) * | 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 |
-
2008
- 2008-01-30 JP JP2008019586A patent/JP5178216B2/ja not_active Expired - Fee Related
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