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MY8700571A - Improvements in or relating to stepping motor driven electronic timepieces - Google Patents

Improvements in or relating to stepping motor driven electronic timepieces

Info

Publication number
MY8700571A
MY8700571A MY8700571A MY8700571A MY8700571A MY 8700571 A MY8700571 A MY 8700571A MY 8700571 A MY8700571 A MY 8700571A MY 8700571 A MY8700571 A MY 8700571A MY 8700571 A MY8700571 A MY 8700571A
Authority
MY
Malaysia
Prior art keywords
relating
stepping motor
motor driven
driven electronic
electronic timepieces
Prior art date
Application number
MY8700571A
Inventor
Makoto Ueda
Masaaki Mandai
Shuji Otawa
Akira Torisawa
Katsuhiko Sato
Masaharu Shida
Original Assignee
Seiko Instr & Electronics
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 Seiko Instr & Electronics filed Critical Seiko Instr & Electronics
Publication of MY8700571A publication Critical patent/MY8700571A/en

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
    • 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)
MY8700571A 1980-01-17 1987-12-30 Improvements in or relating to stepping motor driven electronic timepieces MY8700571A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP394580A JPS56101584A (en) 1980-01-17 1980-01-17 Electronic timepiece

Publications (1)

Publication Number Publication Date
MY8700571A true MY8700571A (en) 1987-12-31

Family

ID=11571251

Family Applications (1)

Application Number Title Priority Date Filing Date
MY8700571A MY8700571A (en) 1980-01-17 1987-12-30 Improvements in or relating to stepping motor driven electronic timepieces

Country Status (5)

Country Link
JP (1) JPS56101584A (en)
GB (1) GB2067795B (en)
HK (1) HK64186A (en)
MY (1) MY8700571A (en)
SG (1) SG26785G (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5910875A (en) * 1982-07-09 1984-01-20 Seiko Epson Corp Electronic timepiece
CH648723GA3 (en) * 1982-09-10 1985-04-15
JPH0729622B2 (en) * 1988-06-11 1995-04-05 マツダ株式会社 Body assembly method
JP3508444B2 (en) * 1997-02-07 2004-03-22 セイコーエプソン株式会社 Control device for stepping motor, control method thereof, and timing device
EP0982846B1 (en) * 1998-08-25 2011-10-19 ETA SA Manufacture Horlogère Suisse Process and device for controlling a stepper motor

Also Published As

Publication number Publication date
JPS56101584A (en) 1981-08-14
GB2067795B (en) 1983-07-06
GB2067795A (en) 1981-07-30
SG26785G (en) 1991-01-04
HK64186A (en) 1986-09-05

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