JP5351590B2 - 圧電素子駆動ユニット及び異物除去装置 - Google Patents

圧電素子駆動ユニット及び異物除去装置 Download PDF

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Publication number
JP5351590B2
JP5351590B2 JP2009089580A JP2009089580A JP5351590B2 JP 5351590 B2 JP5351590 B2 JP 5351590B2 JP 2009089580 A JP2009089580 A JP 2009089580A JP 2009089580 A JP2009089580 A JP 2009089580A JP 5351590 B2 JP5351590 B2 JP 5351590B2
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JP
Japan
Prior art keywords
frequency
signal
output
piezoelectric element
controlled oscillator
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
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JP2009089580A
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English (en)
Japanese (ja)
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JP2010245647A (ja
JP2010245647A5 (enExample
Inventor
律夫 樫山
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Canon Inc
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Canon Inc
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2009089580A priority Critical patent/JP5351590B2/ja
Priority to US12/749,232 priority patent/US8471436B2/en
Publication of JP2010245647A publication Critical patent/JP2010245647A/ja
Publication of JP2010245647A5 publication Critical patent/JP2010245647A5/ja
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0006—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means to keep optical surfaces clean, e.g. by preventing or removing dirt, stains, contamination, condensation
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/802—Circuitry or processes for operating piezoelectric or electrostrictive devices not otherwise provided for, e.g. drive circuits

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Studio Devices (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
JP2009089580A 2009-04-01 2009-04-01 圧電素子駆動ユニット及び異物除去装置 Expired - Fee Related JP5351590B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009089580A JP5351590B2 (ja) 2009-04-01 2009-04-01 圧電素子駆動ユニット及び異物除去装置
US12/749,232 US8471436B2 (en) 2009-04-01 2010-03-29 Piezoelectric element drive circuit and foreign substance removing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009089580A JP5351590B2 (ja) 2009-04-01 2009-04-01 圧電素子駆動ユニット及び異物除去装置

Publications (3)

Publication Number Publication Date
JP2010245647A JP2010245647A (ja) 2010-10-28
JP2010245647A5 JP2010245647A5 (enExample) 2012-05-17
JP5351590B2 true JP5351590B2 (ja) 2013-11-27

Family

ID=42825973

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009089580A Expired - Fee Related JP5351590B2 (ja) 2009-04-01 2009-04-01 圧電素子駆動ユニット及び異物除去装置

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US (1) US8471436B2 (enExample)
JP (1) JP5351590B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112504519B (zh) * 2020-11-23 2022-05-20 深圳市绘王动漫科技有限公司 一种压力检测电路、装置及压力输入装置
CN115996306B (zh) * 2021-10-18 2024-12-31 Oppo广东移动通信有限公司 驱动控制电路及方法、驱动模组、摄像头模组和电子设备

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01227671A (ja) * 1988-03-07 1989-09-11 Olympus Optical Co Ltd 超音波モータの駆動回路
US5359268A (en) * 1991-11-12 1994-10-25 Canon Kabushiki Kaisha Control apparatus for vibration driven motor
JPH05184169A (ja) 1992-01-07 1993-07-23 Canon Inc 振動波モータ駆動回路
JP3768665B2 (ja) * 1997-12-12 2006-04-19 キヤノン株式会社 周波信号生成回路及び振動型アクチュエータの駆動装置
JPH11191977A (ja) * 1997-12-26 1999-07-13 Asmo Co Ltd モータの駆動回路
JP2003227788A (ja) * 2002-02-05 2003-08-15 Inst Of Physical & Chemical Res 走査型プローブ顕微鏡及び試料の表面構造測定方法
JP3727903B2 (ja) 2002-05-13 2005-12-21 オリンパス株式会社 カメラ
JP3729181B2 (ja) * 2003-03-14 2005-12-21 セイコーエプソン株式会社 測定方法及び測定信号出力回路並びに測定装置
US7541849B2 (en) * 2005-08-09 2009-06-02 Seiko Epson Corporation Phase locked circuit
JP2008003165A (ja) * 2006-06-20 2008-01-10 Canon Inc 撮像装置及びその制御方法及びプログラム及び記憶媒体
JP4810458B2 (ja) * 2007-02-16 2011-11-09 キヤノン株式会社 撮像装置
US7990459B2 (en) * 2008-03-06 2011-08-02 Olympus Imaging Corp. Dust-proof filter unit, image pickup apparatus, and projection-type image display apparatus

Also Published As

Publication number Publication date
US8471436B2 (en) 2013-06-25
US20100254004A1 (en) 2010-10-07
JP2010245647A (ja) 2010-10-28

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