CH686854GA3 - Piezoelectric motor with device that provides information regarding the rotor position and / or speed. - Google Patents

Piezoelectric motor with device that provides information regarding the rotor position and / or speed.

Info

Publication number
CH686854GA3
CH686854GA3 CH03953/94A CH395394A CH686854GA3 CH 686854G A3 CH686854G A3 CH 686854GA3 CH 03953/94 A CH03953/94 A CH 03953/94A CH 395394 A CH395394 A CH 395394A CH 686854G A3 CH686854G A3 CH 686854GA3
Authority
CH
Switzerland
Prior art keywords
speed
information regarding
provides information
rotor position
piezoelectric motor
Prior art date
Application number
CH03953/94A
Other languages
German (de)
Other versions
CH686854B5 (en
Inventor
Christian Peclat
Kaspar Truempy
Original Assignee
Ebauchesfabrik Eta 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 Ebauchesfabrik Eta Ag filed Critical Ebauchesfabrik Eta Ag
Priority to CH03953/94A priority Critical patent/CH686854B5/en
Priority to TW084113256A priority patent/TW357484B/en
Priority to SG1995002172A priority patent/SG63533A1/en
Priority to US08/575,733 priority patent/US5719461A/en
Priority to EP95120493A priority patent/EP0723213A1/en
Priority to CN95113162.1A priority patent/CN1133445A/en
Priority to JP7352252A priority patent/JPH08237969A/en
Publication of CH686854GA3 publication Critical patent/CH686854GA3/en
Publication of CH686854B5 publication Critical patent/CH686854B5/en

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
    • H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
    • H02N2/16—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors using travelling waves, i.e. Rayleigh surface waves
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
CH03953/94A 1994-12-29 1994-12-29 Piezoelectric motor with means giving information on the rotor position and / or speed delivers. CH686854B5 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CH03953/94A CH686854B5 (en) 1994-12-29 1994-12-29 Piezoelectric motor with means giving information on the rotor position and / or speed delivers.
TW084113256A TW357484B (en) 1994-12-29 1995-12-11 Piezoelectric motor having an arrangement which provides information relative to the rotor position and/or the rotor's number of revolutions
SG1995002172A SG63533A1 (en) 1994-12-29 1995-12-16 Piezoelectric motor having an arrangement which provides information relative to the rotor position and/or the rotor's number of revolutions
US08/575,733 US5719461A (en) 1994-12-29 1995-12-18 Piezoelectric motor having an arrangement which provides information relative to the rotor position and/or the rotor's number of revolutions
EP95120493A EP0723213A1 (en) 1994-12-29 1995-12-22 Piezoelectric motor with means for delivering information about the position and/or the rotational speed of the rotor
CN95113162.1A CN1133445A (en) 1994-12-29 1995-12-28 Piezoelectric motor with device for giving information about rotor position and/or rotate speed
JP7352252A JPH08237969A (en) 1994-12-29 1995-12-28 Piezoelectric motor that provides information on position and/or number of revolutions of rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH03953/94A CH686854B5 (en) 1994-12-29 1994-12-29 Piezoelectric motor with means giving information on the rotor position and / or speed delivers.

Publications (2)

Publication Number Publication Date
CH686854GA3 true CH686854GA3 (en) 1996-07-31
CH686854B5 CH686854B5 (en) 1997-01-31

Family

ID=4267029

Family Applications (1)

Application Number Title Priority Date Filing Date
CH03953/94A CH686854B5 (en) 1994-12-29 1994-12-29 Piezoelectric motor with means giving information on the rotor position and / or speed delivers.

Country Status (7)

Country Link
US (1) US5719461A (en)
EP (1) EP0723213A1 (en)
JP (1) JPH08237969A (en)
CN (1) CN1133445A (en)
CH (1) CH686854B5 (en)
SG (1) SG63533A1 (en)
TW (1) TW357484B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1241322A (en) * 1997-08-04 2000-01-12 精工爱普生株式会社 Transmissions and clocks and notification devices using the same
US6288473B1 (en) 2000-03-31 2001-09-11 Sandia Corporation Frequency modulation drive for a piezoelectric motor
CA2320011A1 (en) * 2000-09-18 2002-03-18 Eontech Group, Inc. Piezoelectric motor
DE10113660A1 (en) * 2001-03-21 2002-09-26 Koninkl Philips Electronics Nv Piezoelectric drive has cylindrical piezoelectric element of stator contacted by projections of mechanical coupling released periodically for rotation of rotor
US20080177268A1 (en) * 2002-02-14 2008-07-24 Wolfgang Daum Minimally-Invasive Approach to Bone-Obstructed Soft Tissue
EP2366988A1 (en) * 2010-03-19 2011-09-21 Winergy AG Method and apparatus for detecting a torque in a gear using a vibration sensor
CN107843740B (en) * 2017-10-31 2019-11-29 湖南大学 A kind of rotating speed measurement method of fusion vibration and voice signal spectrum signature
CN113751161B (en) * 2021-08-26 2022-12-06 辽宁石油化工大学 Oil shale particle crushing device based on ultrasonic waves

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0382380A (en) * 1989-08-24 1991-04-08 Shinji Kawase ultrasonic motor
EP0505848A1 (en) * 1991-03-28 1992-09-30 Eta SA Fabriques d'Ebauches Piezo-electric motor, in particular for timepiece
JPH06225550A (en) * 1993-01-27 1994-08-12 Seiko Instr Inc Ultrasonic motor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT382262B (en) * 1982-04-16 1987-02-10 Ki Polt I PIEZOELECTRIC MOTOR
AT384912B (en) * 1982-04-16 1988-01-25 Ki Polt I PIEZOELECTRIC MOTOR
US4634916A (en) * 1984-10-02 1987-01-06 Ngk Spark Plug Co., Ltd. Piezoelectric rotary driver
JPH0648910B2 (en) * 1987-02-12 1994-06-22 日本電気株式会社 Piezoelectric motor
JPH01502384A (en) * 1987-02-28 1989-08-17 キエフスキ　ポリテクニチェスキ　インスチテュート　イメニ　５０―レティア　ヴェリコイ　オクチャブルスコイ　ソツイアリスチチェスコイ　レヴォリューツイイ piezoelectric motor
JPH02311183A (en) * 1989-05-25 1990-12-26 Brother Ind Ltd Ultrasonic motor
US5247220A (en) * 1989-10-20 1993-09-21 Seiko Epson Corporation Ultrasonic motor
US5237237A (en) * 1990-03-12 1993-08-17 Seiko Epson Corporation Ultrasonic motor and drive method
US5332941A (en) * 1992-02-21 1994-07-26 Honda Electronics Co., Ltd. Ultrasonic driving motor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0382380A (en) * 1989-08-24 1991-04-08 Shinji Kawase ultrasonic motor
EP0505848A1 (en) * 1991-03-28 1992-09-30 Eta SA Fabriques d'Ebauches Piezo-electric motor, in particular for timepiece
JPH06225550A (en) * 1993-01-27 1994-08-12 Seiko Instr Inc Ultrasonic motor

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 15, no. 258 (E - 1084) 18 June 1991 (1991-06-18) *
PATENT ABSTRACTS OF JAPAN vol. 18, no. 595 (E - 1630) 14 November 1994 (1994-11-14) *

Also Published As

Publication number Publication date
JPH08237969A (en) 1996-09-13
EP0723213A1 (en) 1996-07-24
CH686854B5 (en) 1997-01-31
CN1133445A (en) 1996-10-16
SG63533A1 (en) 1999-03-30
TW357484B (en) 1999-05-01
US5719461A (en) 1998-02-17

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Legal Events

Date Code Title Description
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