JP4968949B2 - レンズ駆動装置 - Google Patents

レンズ駆動装置 Download PDF

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Publication number
JP4968949B2
JP4968949B2 JP2008123470A JP2008123470A JP4968949B2 JP 4968949 B2 JP4968949 B2 JP 4968949B2 JP 2008123470 A JP2008123470 A JP 2008123470A JP 2008123470 A JP2008123470 A JP 2008123470A JP 4968949 B2 JP4968949 B2 JP 4968949B2
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Japan
Prior art keywords
phase difference
phase
drive signal
piezoelectric element
optical means
Prior art date
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Expired - Fee Related
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JP2008123470A
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Japanese (ja)
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JP2009271425A5 (enExample
JP2009271425A (ja
Inventor
正一 茨木
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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Priority to JP2008123470A priority Critical patent/JP4968949B2/ja
Publication of JP2009271425A publication Critical patent/JP2009271425A/ja
Publication of JP2009271425A5 publication Critical patent/JP2009271425A5/ja
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JP2008123470A 2008-05-09 2008-05-09 レンズ駆動装置 Expired - Fee Related JP4968949B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008123470A JP4968949B2 (ja) 2008-05-09 2008-05-09 レンズ駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008123470A JP4968949B2 (ja) 2008-05-09 2008-05-09 レンズ駆動装置

Publications (3)

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JP2009271425A JP2009271425A (ja) 2009-11-19
JP2009271425A5 JP2009271425A5 (enExample) 2011-06-23
JP4968949B2 true JP4968949B2 (ja) 2012-07-04

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Family Applications (1)

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JP2008123470A Expired - Fee Related JP4968949B2 (ja) 2008-05-09 2008-05-09 レンズ駆動装置

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JP (1) JP4968949B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015128367A (ja) 2013-11-27 2015-07-09 キヤノン株式会社 振動型アクチュエータの駆動装置、フォーカスレンズ駆動装置、及び撮像装置
JP6727961B2 (ja) * 2016-07-06 2020-07-22 キヤノン株式会社 光学機器
JP6881902B2 (ja) * 2016-07-06 2021-06-02 キヤノン株式会社 光学機器
JP6765879B2 (ja) * 2016-07-06 2020-10-07 キヤノン株式会社 光学機器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS637173A (ja) * 1986-06-25 1988-01-13 Olympus Optical Co Ltd 超音波モ−タ
JP3469361B2 (ja) * 1995-07-05 2003-11-25 アスモ株式会社 超音波モータの駆動方法及び装置
JP3420551B2 (ja) * 2000-04-07 2003-06-23 キヤノン株式会社 光学装置、光学装置駆動ユニットおよびカメラシステム
JP4653509B2 (ja) * 2004-04-02 2011-03-16 オリンパス株式会社 移動装置および光学部材移動装置

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Publication number Publication date
JP2009271425A (ja) 2009-11-19

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