JP5631673B2 - 光量調整装置 - Google Patents

光量調整装置 Download PDF

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Publication number
JP5631673B2
JP5631673B2 JP2010203149A JP2010203149A JP5631673B2 JP 5631673 B2 JP5631673 B2 JP 5631673B2 JP 2010203149 A JP2010203149 A JP 2010203149A JP 2010203149 A JP2010203149 A JP 2010203149A JP 5631673 B2 JP5631673 B2 JP 5631673B2
Authority
JP
Japan
Prior art keywords
magnetic pole
rotor
pole portion
coil
stator
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
JP2010203149A
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English (en)
Japanese (ja)
Other versions
JP2012058585A (ja
JP2012058585A5 (enExample
Inventor
青島　力
力 青島
望月　直人
直人 望月
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
Canon Finetech Nisca Inc
Original Assignee
Canon Inc
Nisca Corp
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, Nisca Corp filed Critical Canon Inc
Priority to JP2010203149A priority Critical patent/JP5631673B2/ja
Priority to US13/226,550 priority patent/US8503104B2/en
Priority to CN201110272006.0A priority patent/CN102402102B/zh
Publication of JP2012058585A publication Critical patent/JP2012058585A/ja
Publication of JP2012058585A5 publication Critical patent/JP2012058585A5/ja
Application granted granted Critical
Publication of JP5631673B2 publication Critical patent/JP5631673B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Diaphragms For Cameras (AREA)
JP2010203149A 2010-09-10 2010-09-10 光量調整装置 Expired - Fee Related JP5631673B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2010203149A JP5631673B2 (ja) 2010-09-10 2010-09-10 光量調整装置
US13/226,550 US8503104B2 (en) 2010-09-10 2011-09-07 Motor having small size and high output, and light amount adjustment device equipped with the motor
CN201110272006.0A CN102402102B (zh) 2010-09-10 2011-09-09 小型高输出马达及配备有该马达的光量调节装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010203149A JP5631673B2 (ja) 2010-09-10 2010-09-10 光量調整装置

Publications (3)

Publication Number Publication Date
JP2012058585A JP2012058585A (ja) 2012-03-22
JP2012058585A5 JP2012058585A5 (enExample) 2013-10-24
JP5631673B2 true JP5631673B2 (ja) 2014-11-26

Family

ID=46055728

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010203149A Expired - Fee Related JP5631673B2 (ja) 2010-09-10 2010-09-10 光量調整装置

Country Status (1)

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JP (1) JP5631673B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6580819B2 (ja) * 2014-10-01 2019-09-25 キヤノン電子株式会社 羽根駆動装置及び撮像装置
WO2021192723A1 (ja) * 2020-03-26 2021-09-30 ソニーグループ株式会社 羽根開閉装置、交換レンズ及び撮像装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4922274A (en) * 1986-11-21 1990-05-01 Canon Kabushiki Kaisha/Canon Denshi Kabushiki Kaisha Motor driven exposure adjusting device
JP2675826B2 (ja) * 1988-08-23 1997-11-12 キヤノン株式会社 電動式露光調整装置
US6559569B2 (en) * 2000-04-18 2003-05-06 Canon Kabushiki Kaisha Motor device
JP2002078312A (ja) * 2000-08-28 2002-03-15 Tdk Corp ステッピングモータ
JP2002354777A (ja) * 2001-03-23 2002-12-06 Tdk Corp ステッピングモータ
JP2002369489A (ja) * 2001-06-06 2002-12-20 Canon Inc 電磁駆動モータ及びそれを有する電磁駆動絞り装置
JP3815280B2 (ja) * 2001-09-26 2006-08-30 株式会社デンソー 計器
JP4298311B2 (ja) * 2003-02-07 2009-07-15 キヤノン株式会社 モータ
JP2005080493A (ja) * 2003-09-04 2005-03-24 Canon Inc 駆動装置、光量調節装置及び撮影装置
JP4012170B2 (ja) * 2004-01-06 2007-11-21 キヤノン株式会社 アクチュエータ及び光量調節装置
JP2007189824A (ja) * 2006-01-12 2007-07-26 Nisca Corp マグネットロータ及びこれを用いた電磁駆動装置並びにこの光量調整装置を備えた光学機器
JP5328187B2 (ja) * 2008-03-24 2013-10-30 キヤノン株式会社 羽根駆動装置および撮像装置

Also Published As

Publication number Publication date
JP2012058585A (ja) 2012-03-22

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