DE69405065T2 - Rotorpositionsdetektor für piezoelektrischen Motor - Google Patents

Rotorpositionsdetektor für piezoelektrischen Motor

Info

Publication number
DE69405065T2
DE69405065T2 DE69405065T DE69405065T DE69405065T2 DE 69405065 T2 DE69405065 T2 DE 69405065T2 DE 69405065 T DE69405065 T DE 69405065T DE 69405065 T DE69405065 T DE 69405065T DE 69405065 T2 DE69405065 T2 DE 69405065T2
Authority
DE
Germany
Prior art keywords
position detector
rotor position
piezoelectric motor
piezoelectric
motor
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
DE69405065T
Other languages
English (en)
Other versions
DE69405065D1 (de
Inventor
Roland Luthier
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.)
Asulab AG
Original Assignee
Asulab AG
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 Asulab AG filed Critical Asulab AG
Publication of DE69405065D1 publication Critical patent/DE69405065D1/de
Application granted granted Critical
Publication of DE69405065T2 publication Critical patent/DE69405065T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • G04C3/12—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by piezoelectric means; driven by magneto-strictive means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
    • H02N2/001—Driving devices, e.g. vibrators
    • H02N2/0015—Driving devices, e.g. vibrators using only bending modes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
    • H02N2/103—Electric 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
    • H02N2/14—Drive circuits; Control arrangements or methods
    • H02N2/142—Small signal circuits; Means for controlling position or derived quantities, e.g. speed, torque, starting, stopping, reversing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
DE69405065T 1993-09-08 1994-09-03 Rotorpositionsdetektor für piezoelektrischen Motor Expired - Fee Related DE69405065T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH268893 1993-09-08

Publications (2)

Publication Number Publication Date
DE69405065D1 DE69405065D1 (de) 1997-09-25
DE69405065T2 true DE69405065T2 (de) 1998-03-12

Family

ID=4239342

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69405065T Expired - Fee Related DE69405065T2 (de) 1993-09-08 1994-09-03 Rotorpositionsdetektor für piezoelektrischen Motor

Country Status (6)

Country Link
US (1) US5473215A (de)
EP (1) EP0642065B1 (de)
JP (1) JPH0787758A (de)
KR (1) KR100341871B1 (de)
CN (1) CN1045668C (de)
DE (1) DE69405065T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001518280A (ja) * 1997-03-21 2001-10-09 ザ ペンステート リサーチ ファウンデーション 超音波モータ
JP2969447B2 (ja) * 1998-01-29 1999-11-02 セイコーインスツルメンツ株式会社 超音波モータ及び超音波モータの製造方法
FR2780216B1 (fr) * 1998-06-18 2000-08-11 Eaton Corp Moteur piezo-electrique avec capteur de position integre
DE69936300T2 (de) * 1998-12-21 2008-06-19 Seiko Epson Corp. Piezoelektrischer aktor, uhrwerk und tragbares bauelement
JP2000350480A (ja) * 1999-06-07 2000-12-15 Asmo Co Ltd 超音波モータ
US20040113519A1 (en) * 2002-12-12 2004-06-17 Charles Mentesana Micro-beam friction liner and method of transferring energy
JP4733457B2 (ja) * 2005-07-28 2011-07-27 パナソニック株式会社 駆動装置
DE102017102884A1 (de) * 2017-02-14 2018-08-16 Aspre Ag Piezomotor
CN107612416A (zh) * 2017-09-18 2018-01-19 新涛华宇控股集团有限公司 一种超声电机及超声电机的自测方法
IT202000010264A1 (it) * 2020-05-07 2021-11-07 St Microelectronics Srl Attuatore piezoelettrico avente un sensore di deformazione e relativo procedimento di fabbricazione

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT382262B (de) * 1982-04-16 1987-02-10 Ki Polt I Piezoelektrischer motor
JPS6051478A (ja) * 1983-08-26 1985-03-22 Seiko Instr & Electronics Ltd 超音波モータ
JPS60113675A (ja) * 1983-11-22 1985-06-20 Seiko Epson Corp 電子時計のモ−タ−
US4794294A (en) * 1986-06-12 1988-12-27 Canon Kabushiki Kaisha Vibration wave motor
US5061882A (en) * 1987-02-09 1991-10-29 Nikon Corporation Power supply frequency regulating device for vibration wave driven motor
JPS6455083A (en) * 1987-08-25 1989-03-02 Matsushita Electric Ind Co Ltd Ultrasonic motor
US4937307A (en) * 1989-04-28 1990-06-26 The Goodyear Tire & Rubber Company Unique low viscosity polyesters and their products
DE69009139T2 (de) * 1989-10-20 1994-09-08 Seiko Epson Corp Elektronische Uhr.
JP2815219B2 (ja) * 1990-04-20 1998-10-27 アスモ株式会社 超音波モータの駆動回路と多モータの駆動信号供給回路
JP2863280B2 (ja) * 1990-07-04 1999-03-03 アスモ株式会社 超音波モータの駆動方法
JP2992068B2 (ja) * 1990-09-27 1999-12-20 アイシン精機株式会社 超音波モータ用振動体および超音波モータ
JPH04217882A (ja) * 1990-12-19 1992-08-07 Nikon Corp 超音波モータ
CH685183A5 (fr) * 1991-08-30 1995-04-13 Asulab Sa Moteur piézo-électrique.
CH684731B5 (fr) * 1992-07-20 1995-06-15 Asulab Sa Moteur piézo-électrique.
CH685660B5 (fr) * 1992-09-09 1996-03-15 Asulab Sa Piece d'horlogerie pourvue de moyens d'entraînement formes par un moteur piezo-electrique.

Also Published As

Publication number Publication date
KR100341871B1 (ko) 2002-11-29
US5473215A (en) 1995-12-05
EP0642065B1 (de) 1997-08-20
CN1111020A (zh) 1995-11-01
EP0642065A1 (de) 1995-03-08
CN1045668C (zh) 1999-10-13
JPH0787758A (ja) 1995-03-31
DE69405065D1 (de) 1997-09-25
KR950010318A (ko) 1995-04-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee