JP2002051524A5 - - Google Patents

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Publication number
JP2002051524A5
JP2002051524A5 JP2000228087A JP2000228087A JP2002051524A5 JP 2002051524 A5 JP2002051524 A5 JP 2002051524A5 JP 2000228087 A JP2000228087 A JP 2000228087A JP 2000228087 A JP2000228087 A JP 2000228087A JP 2002051524 A5 JP2002051524 A5 JP 2002051524A5
Authority
JP
Japan
Prior art keywords
magnet
magnetic pole
peripheral surface
hollow
coil
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
JP2000228087A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002051524A (ja
JP4378039B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2000228087A priority Critical patent/JP4378039B2/ja
Priority claimed from JP2000228087A external-priority patent/JP4378039B2/ja
Priority to US09/910,046 priority patent/US6798093B2/en
Publication of JP2002051524A publication Critical patent/JP2002051524A/ja
Priority to US10/434,060 priority patent/US6800970B2/en
Publication of JP2002051524A5 publication Critical patent/JP2002051524A5/ja
Application granted granted Critical
Publication of JP4378039B2 publication Critical patent/JP4378039B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP2000228087A 2000-07-28 2000-07-28 モータ、光量調整装置およびレンズ鏡筒 Expired - Fee Related JP4378039B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2000228087A JP4378039B2 (ja) 2000-07-28 2000-07-28 モータ、光量調整装置およびレンズ鏡筒
US09/910,046 US6798093B2 (en) 2000-07-28 2001-07-23 Dual coil permanent magnet motor having inner annular member
US10/434,060 US6800970B2 (en) 2000-07-28 2003-05-09 Motor and optical apparatus using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000228087A JP4378039B2 (ja) 2000-07-28 2000-07-28 モータ、光量調整装置およびレンズ鏡筒

Publications (3)

Publication Number Publication Date
JP2002051524A JP2002051524A (ja) 2002-02-15
JP2002051524A5 true JP2002051524A5 (enExample) 2007-08-23
JP4378039B2 JP4378039B2 (ja) 2009-12-02

Family

ID=18721446

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000228087A Expired - Fee Related JP4378039B2 (ja) 2000-07-28 2000-07-28 モータ、光量調整装置およびレンズ鏡筒

Country Status (1)

Country Link
JP (1) JP4378039B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3950756B2 (ja) 2002-07-10 2007-08-01 キヤノン株式会社 駆動装置及び光量調節装置
JP4164297B2 (ja) 2002-07-11 2008-10-15 キヤノン株式会社 駆動装置、光量調節装置及びレンズ駆動装置
JP2005234210A (ja) * 2004-02-19 2005-09-02 Alps Electric Co Ltd レンズ移動機構
JP4681874B2 (ja) 2004-12-24 2011-05-11 キヤノン株式会社 駆動装置
JP4669436B2 (ja) 2006-04-27 2011-04-13 キヤノン株式会社 鏡筒駆動装置
JP6051033B2 (ja) * 2012-12-17 2016-12-21 キヤノン電子株式会社 光量調節装置および光学機器

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