WO2009054274A1 - 超音波アクチュエータ、及び磁気記録装置 - Google Patents

超音波アクチュエータ、及び磁気記録装置 Download PDF

Info

Publication number
WO2009054274A1
WO2009054274A1 PCT/JP2008/068466 JP2008068466W WO2009054274A1 WO 2009054274 A1 WO2009054274 A1 WO 2009054274A1 JP 2008068466 W JP2008068466 W JP 2008068466W WO 2009054274 A1 WO2009054274 A1 WO 2009054274A1
Authority
WO
WIPO (PCT)
Prior art keywords
ultrasonic actuator
contact portion
vibrator
magnetic recorder
contacted
Prior art date
Application number
PCT/JP2008/068466
Other languages
English (en)
French (fr)
Inventor
Takashi Matsuo
Shigeaki Tochimoto
Original Assignee
Konica Minolta Opto, Inc.
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 Konica Minolta Opto, Inc. filed Critical Konica Minolta Opto, Inc.
Priority to JP2009538077A priority Critical patent/JP5277467B2/ja
Publication of WO2009054274A1 publication Critical patent/WO2009054274A1/ja

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/0005Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
    • H02N2/005Mechanical details, e.g. housings
    • H02N2/0065Friction interface
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55Track change, selection or acquisition by displacement of the head
    • G11B5/5521Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5569Track change, selection or acquisition by displacement of the head across disk tracks details of specially adapted mobile parts, e.g. electromechanical control devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/0005Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
    • H02N2/001Driving devices, e.g. vibrators
    • H02N2/003Driving devices, e.g. vibrators using longitudinal or radial modes combined with bending modes
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/10Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
    • H02N2/103Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors by pressing one or more vibrators against the rotor
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00Piezoelectric or electrostrictive devices
    • H10N30/20Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
    • H10N30/202Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using longitudinal or thickness displacement combined with bending, shear or torsion displacement
    • H10N30/2023Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using longitudinal or thickness displacement combined with bending, shear or torsion displacement having polygonal or rectangular shape

Landscapes

  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Moving Of Heads (AREA)

Abstract

 装置の複雑化と高価格化を招くことなく、優れた駆動性能を維持しつつ高い耐久性能を得ることが可能な超音波アクチュエータ、及び磁気記録装置を提供する。かかる超音波アクチュエータは、所定の振動を行う当接部を有する振動体と、当接部に加圧接触される被当接部を有して当接部の振動により、振動体に対して相対移動を生じる移動体と、を備えた超音波アクチュエータにおいて、振動体の当接部と移動体の被当接部との間には、ゲル化剤を配合した潤滑剤が介在されている。
PCT/JP2008/068466 2007-10-25 2008-10-10 超音波アクチュエータ、及び磁気記録装置 WO2009054274A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009538077A JP5277467B2 (ja) 2007-10-25 2008-10-10 超音波アクチュエータ、及び磁気記録装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-277392 2007-10-25
JP2007277392 2007-10-25

Publications (1)

Publication Number Publication Date
WO2009054274A1 true WO2009054274A1 (ja) 2009-04-30

Family

ID=40579379

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/068466 WO2009054274A1 (ja) 2007-10-25 2008-10-10 超音波アクチュエータ、及び磁気記録装置

Country Status (2)

Country Link
JP (1) JP5277467B2 (ja)
WO (1) WO2009054274A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8550885B2 (en) 2009-12-21 2013-10-08 Hitachi Koki Co., Ltd. Grinder having mechanism for regulating rotation of wheel guard

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5760339B2 (ja) * 2010-07-01 2015-08-05 株式会社豊田自動織機 振動アクチュエータ

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0322886A (ja) * 1989-06-19 1991-01-31 Toshiba Corp 静電アクチュエータ
JPH04285478A (ja) * 1991-03-11 1992-10-09 Toshiba Corp 静電モ−タ
JPH1180765A (ja) * 1997-09-04 1999-03-26 Matsushita Electric Ind Co Ltd 接点潤滑剤および小型モータ
JP2002165470A (ja) * 2000-11-24 2002-06-07 Kubota Corp 超音波モータ
JP2004048984A (ja) * 2002-05-21 2004-02-12 Seiko Instruments Inc 圧電アクチュエータ及び圧電アクチュエータを備えた電子機器
JP2004180493A (ja) * 2002-11-13 2004-06-24 Nikon Corp 振動アクチュエータ装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0322886A (ja) * 1989-06-19 1991-01-31 Toshiba Corp 静電アクチュエータ
JPH04285478A (ja) * 1991-03-11 1992-10-09 Toshiba Corp 静電モ−タ
JPH1180765A (ja) * 1997-09-04 1999-03-26 Matsushita Electric Ind Co Ltd 接点潤滑剤および小型モータ
JP2002165470A (ja) * 2000-11-24 2002-06-07 Kubota Corp 超音波モータ
JP2004048984A (ja) * 2002-05-21 2004-02-12 Seiko Instruments Inc 圧電アクチュエータ及び圧電アクチュエータを備えた電子機器
JP2004180493A (ja) * 2002-11-13 2004-06-24 Nikon Corp 振動アクチュエータ装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8550885B2 (en) 2009-12-21 2013-10-08 Hitachi Koki Co., Ltd. Grinder having mechanism for regulating rotation of wheel guard

Also Published As

Publication number Publication date
JP5277467B2 (ja) 2013-08-28
JPWO2009054274A1 (ja) 2011-03-03

Similar Documents

Publication Publication Date Title
JP2013158151A5 (ja) モータ
WO2008086774A8 (de) Flugzeugpropellerantrieb, verfahren zum antreiben eines flugzeugpropellers und verwendung eines lagers eines flugzeugpropellerantriebs sowie verwendung einer elektromaschine
GB2450663B (en) Rotary encoder with built-in-self-test
DE602005024938D1 (de) Aktivierungsarmkonfiguration für ein kraftbetriebenes werkzeug
EP2589947A3 (en) High frequency vibration system
WO2009011433A1 (ja) 加振試験装置
CA2862741A1 (en) Rotary actuator
WO2009111082A3 (en) Bearing for an electric actuator motor
WO2009078450A1 (ja) 流路切換えバルブ
WO2006104697A3 (en) Panel bending machine
EP1938920A4 (en) DEVICE FOR TOOL VOLTAGE
ATE529047T1 (de) Automatischer längspositionseinsteller für ultraschall-bildsonden
EP2175501A3 (en) Ultrasonic motor and conveying apparatus having the same
WO2009014188A1 (ja) 振動発生装置
GB2452639A (en) Rotary encoder frequency analysis
EP2555413A3 (en) Ultrasonic motor and lens apparatus including the same
WO2009136083A3 (fr) Applicateur vibrant
WO2008152821A1 (ja) 振動型アクチュエータ及びそれを備えた駆動装置
ES2522281T3 (es) Microdispositivo electromecánico mejorado de condensador variable y método para hacer el mismo
ATE389514T1 (de) Elektrohandwerkzeuggerät
WO2009054274A1 (ja) 超音波アクチュエータ、及び磁気記録装置
WO2012087659A3 (en) Over shaft rotary actuator with internal clamp
CA2597169A1 (en) Ultrasound apparatus and method of use
EP2107004A3 (en) Damping arrangement
WO2007116292A3 (en) Dermabrasion handpiece

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08842932

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2009538077

Country of ref document: JP

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08842932

Country of ref document: EP

Kind code of ref document: A1