CH632383GA3 - - Google Patents

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Publication number
CH632383GA3
CH632383GA3 CH292780A CH292780A CH632383GA3 CH 632383G A3 CH632383G A3 CH 632383GA3 CH 292780 A CH292780 A CH 292780A CH 292780 A CH292780 A CH 292780A CH 632383G A3 CH632383G A3 CH 632383GA3
Authority
CH
Switzerland
Prior art keywords
pulses
circuit
motor control
control circuit
pulse shaper
Prior art date
Application number
CH292780A
Other languages
French (fr)
Other versions
CH632383B (en
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
Publication of CH632383B publication Critical patent/CH632383B/en
Application filed filed Critical
Priority to CH292780A priority Critical patent/CH632383B/en
Priority to FR8107105A priority patent/FR2480956A1/en
Priority to DE19813114356 priority patent/DE3114356A1/en
Priority to GB8111839A priority patent/GB2073917B/en
Priority to JP56055733A priority patent/JPS5848876B2/en
Publication of CH632383GA3 publication Critical patent/CH632383GA3/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
  • Electric Clocks (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

An electronic timepiece suitable for use with different types of batteries having different voltages, and including a stepping motor 6, an oscillator 1, a frequency divider 2 and a motor control circuit 5, comprises a battery voltage detector 8 and a pulse shaper circuit 9 capable of producing pulses of different durations. The voltage detector circuit 8 controls the pulse shaper circuit 9 to cause it to supply the motor control circuit with pulses whose duration depends upon the detected battery voltage, whereby the drive pulse power will be substantially the same irrespective of the type and voltage of the battery fitted. In another embodiment trains of short pulses are used instead of single pulses and the duty cycle of the short pulses is varied. <IMAGE>
CH292780A 1980-04-16 1980-04-16 ELECTRONIC WATCH PART. CH632383B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH292780A CH632383B (en) 1980-04-16 1980-04-16 ELECTRONIC WATCH PART.
FR8107105A FR2480956A1 (en) 1980-04-16 1981-04-07 PIECE OF ELECTRONIC WATCHMAKING
DE19813114356 DE3114356A1 (en) 1980-04-16 1981-04-09 "ELECTRONIC MOVEMENT"
GB8111839A GB2073917B (en) 1980-04-16 1981-04-14 Electronic timepiece
JP56055733A JPS5848876B2 (en) 1980-04-16 1981-04-15 electronic timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH292780A CH632383B (en) 1980-04-16 1980-04-16 ELECTRONIC WATCH PART.

Publications (2)

Publication Number Publication Date
CH632383B CH632383B (en)
CH632383GA3 true CH632383GA3 (en) 1982-10-15

Family

ID=4244759

Family Applications (1)

Application Number Title Priority Date Filing Date
CH292780A CH632383B (en) 1980-04-16 1980-04-16 ELECTRONIC WATCH PART.

Country Status (5)

Country Link
JP (1) JPS5848876B2 (en)
CH (1) CH632383B (en)
DE (1) DE3114356A1 (en)
FR (1) FR2480956A1 (en)
GB (1) GB2073917B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH646576GA3 (en) * 1981-10-02 1984-12-14
JPH0347115Y2 (en) * 1984-10-25 1991-10-07
JPS61147181A (en) * 1984-12-20 1986-07-04 Seiko Instr & Electronics Ltd Electronic metronone
JPS61147180A (en) * 1984-12-20 1986-07-04 Seiko Instr & Electronics Ltd Electronic metronone
US7122026B2 (en) 2002-04-22 2006-10-17 Medtronic, Inc. Implantable infusion device with optimized peristaltic pump motor drive

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4830676U (en) * 1971-08-20 1973-04-14
US4129981A (en) * 1976-02-06 1978-12-19 Citizen Watch Company Limited Electronic timepiece
JPS52141268A (en) * 1976-05-19 1977-11-25 Seiko Epson Corp Electronic clock
US4158287A (en) * 1976-08-12 1979-06-19 Citizen Watch Company Limited Driver circuit for electro-mechanical transducer
US4219999A (en) * 1977-03-03 1980-09-02 Citizen Watch Company, Limited Electronic timepiece equipped with battery life display
JPS53132386A (en) * 1977-04-23 1978-11-18 Seiko Instr & Electronics Ltd Electronic watch
GB2006995B (en) * 1977-09-26 1982-11-17 Citizen Watch Co Ltd Drive system for pulse motor
JPS5498659A (en) * 1977-12-22 1979-08-03 Citizen Watch Co Ltd Wristwatch with calculator
CH616813B (en) * 1977-12-28 Ebauches Sa ELECTRONIC WATCH PART WITH DETECTION SYSTEM OF END OF BATTERY LIFE.
JPS5612577A (en) * 1979-07-13 1981-02-06 Seiko Instr & Electronics Ltd Electronic clock

Also Published As

Publication number Publication date
GB2073917A (en) 1981-10-21
FR2480956B1 (en) 1984-01-06
FR2480956A1 (en) 1981-10-23
DE3114356C2 (en) 1989-01-19
JPS56159998A (en) 1981-12-09
GB2073917B (en) 1983-11-23
CH632383B (en)
JPS5848876B2 (en) 1983-10-31
DE3114356A1 (en) 1982-06-09

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