CH646575GA3 - - Google Patents

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Publication number
CH646575GA3
CH646575GA3 CH634081A CH634081A CH646575GA3 CH 646575G A3 CH646575G A3 CH 646575GA3 CH 634081 A CH634081 A CH 634081A CH 634081 A CH634081 A CH 634081A CH 646575G A3 CH646575G A3 CH 646575GA3
Authority
CH
Switzerland
Prior art keywords
motor
rotor
mechanical load
drive pulse
interruption periods
Prior art date
Application number
CH634081A
Other languages
French (fr)
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 filed Critical
Priority to CH634081A priority Critical patent/CH646575GA3/fr
Priority to EP82810396A priority patent/EP0076780B1/en
Priority to DE8282810396T priority patent/DE3268162D1/en
Priority to US06/426,361 priority patent/US4468602A/en
Priority to JP57171102A priority patent/JPS5869500A/en
Publication of CH646575GA3 publication Critical patent/CH646575GA3/fr

Links

Classifications

    • 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
    • G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Stepping Motors (AREA)
  • Electromechanical Clocks (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Valve Device For Special Equipments (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

The present invention concerns a method and a device for reducing the consumption of a stepping motor by automatically adapting the duration of each drive pulse supplied to said motor to the mechanical load that its rotor is to drive. The method comprises forming each drive pulse by a series of elementary pulses separated by interruption periods, and determining the mechanical load by measuring, during said interruption periods, a parameter which is representative of the variation in the voltage induced in the winding (11a) of the motor by the rotary movement of the rotor.
CH634081A 1981-10-02 1981-10-02 CH646575GA3 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH634081A CH646575GA3 (en) 1981-10-02 1981-10-02
EP82810396A EP0076780B1 (en) 1981-10-02 1982-09-23 Process for reducing the consumption of a stepping motor, and device to carry out this process
DE8282810396T DE3268162D1 (en) 1981-10-02 1982-09-23 Process for reducing the consumption of a stepping motor, and device to carry out this process
US06/426,361 US4468602A (en) 1981-10-02 1982-09-29 Method for reducing the consumption of a stepping motor and device for performing the method
JP57171102A JPS5869500A (en) 1981-10-02 1982-10-01 Method of reducing power consumption of step motor and device for executing same method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH634081A CH646575GA3 (en) 1981-10-02 1981-10-02

Publications (1)

Publication Number Publication Date
CH646575GA3 true CH646575GA3 (en) 1984-12-14

Family

ID=4308021

Family Applications (1)

Application Number Title Priority Date Filing Date
CH634081A CH646575GA3 (en) 1981-10-02 1981-10-02

Country Status (5)

Country Link
US (1) US4468602A (en)
EP (1) EP0076780B1 (en)
JP (1) JPS5869500A (en)
CH (1) CH646575GA3 (en)
DE (1) DE3268162D1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3772477D1 (en) * 1986-07-02 1991-10-02 Asulab Sa METHOD AND DEVICE FOR CONTROLLING A STEPPING MOTOR.
US5253229A (en) * 1988-04-06 1993-10-12 Seiko Epson Corporation Electronic timepiece including integrated circuitry
US5255247A (en) * 1988-04-06 1993-10-19 Seiko Epson Corporation Electronic timepiece including integrated circuitry
JPH0729513Y2 (en) * 1988-04-06 1995-07-05 セイコーエプソン株式会社 Electronic clock circuit
US5247235A (en) * 1988-06-01 1993-09-21 Detra Sa Method of supplying power to a single phase step motor
JPH0332396A (en) * 1989-06-28 1991-02-12 Sharp Corp Stepping motor driver
US5105140A (en) * 1990-01-11 1992-04-14 Baxer International Inc. Peristaltic pump motor drive

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52154014A (en) * 1976-06-18 1977-12-21 Hitachi Ltd Driver circuit for pulse motor
CH635973B (en) * 1977-01-19 Suwa Seikosha Kk CONTROL CIRCUIT FOR AN ELECTROMECHANICAL TRANSDUCER OF A WATCH, ESPECIALLY OF AN ELECTRONIC BRACELET WATCH.
GB2006995B (en) * 1977-09-26 1982-11-17 Citizen Watch Co Ltd Drive system for pulse motor
JPS5475519A (en) * 1977-11-30 1979-06-16 Seiko Instr & Electronics Ltd Operation detecting circuit of step motor
CH616813B (en) * 1977-12-28 Ebauches Sa ELECTRONIC WATCH PART WITH DETECTION SYSTEM OF END OF BATTERY LIFE.
DE2758853C2 (en) * 1977-12-30 1979-08-16 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Device for measuring the dimension, e.g. the width of a body
FR2458939A1 (en) * 1979-06-11 1981-01-02 Seiko Instr & Electronics Electronic watch circuit - ensures stepwise change of pulse width fed to motor using detector and corrective network
JPS5619473A (en) * 1979-07-27 1981-02-24 Citizen Watch Co Ltd Electronic timepiece
JPS5643575A (en) * 1979-09-18 1981-04-22 Seiko Instr & Electronics Ltd Electronic clock
DE2944872C2 (en) * 1979-11-07 1981-11-19 Gebrüder Junghans GmbH, 7230 Schramberg Arrangement for controlling a stepper motor for battery-operated devices
FR2471077A1 (en) * 1979-12-06 1981-06-12 Ebauches Sa REAL-TIME DETECTION WITH DYNAMIC ROTATION DETECTION FOR STEP-BY-STEP MOTOR
CH644989GA3 (en) * 1981-03-18 1984-09-14

Also Published As

Publication number Publication date
DE3268162D1 (en) 1986-02-06
EP0076780B1 (en) 1985-12-27
EP0076780A1 (en) 1983-04-13
JPS5869500A (en) 1983-04-25
US4468602A (en) 1984-08-28
JPH0564038B2 (en) 1993-09-13

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