JPS6115384B2 - - Google Patents

Info

Publication number
JPS6115384B2
JPS6115384B2 JP14464477A JP14464477A JPS6115384B2 JP S6115384 B2 JPS6115384 B2 JP S6115384B2 JP 14464477 A JP14464477 A JP 14464477A JP 14464477 A JP14464477 A JP 14464477A JP S6115384 B2 JPS6115384 B2 JP S6115384B2
Authority
JP
Japan
Prior art keywords
circuit
pulse
output
rotor
drive
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
Application number
JP14464477A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5477162A (en
Inventor
Masaharu Shida
Jun Ueda
Akira Torisawa
Shuji Ootawa
Masaaki Bandai
Katsuhiko Sato
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.)
SEIKO DENSHI KOGYO KK
Original Assignee
SEIKO DENSHI KOGYO KK
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 DENSHI KOGYO KK filed Critical SEIKO DENSHI KOGYO KK
Priority to JP14464477A priority Critical patent/JPS5477162A/ja
Publication of JPS5477162A publication Critical patent/JPS5477162A/ja
Publication of JPS6115384B2 publication Critical patent/JPS6115384B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • G04C3/143Means 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)
JP14464477A 1977-12-02 1977-12-02 Electronic watch Granted JPS5477162A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14464477A JPS5477162A (en) 1977-12-02 1977-12-02 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14464477A JPS5477162A (en) 1977-12-02 1977-12-02 Electronic watch

Publications (2)

Publication Number Publication Date
JPS5477162A JPS5477162A (en) 1979-06-20
JPS6115384B2 true JPS6115384B2 (fr) 1986-04-23

Family

ID=15366852

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14464477A Granted JPS5477162A (en) 1977-12-02 1977-12-02 Electronic watch

Country Status (1)

Country Link
JP (1) JPS5477162A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0191864U (fr) * 1987-12-05 1989-06-16

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH616045B (fr) * 1978-06-20 Ebauches Sa Procede pour reduire la consommation d'une piece d'horlogerie electronique et piece d'horlogerie electronique mettant en oeuvre ce procede.
JPS5739375A (en) * 1980-08-20 1982-03-04 Seiko Instr & Electronics Ltd Electronic timepiece
JPS57136184A (en) * 1981-02-17 1982-08-23 Seiko Epson Corp Analogue electronic watch
JPH01282491A (ja) * 1988-05-07 1989-11-14 Seiko Epson Corp 補償回路
JP7036629B2 (ja) * 2018-03-06 2022-03-15 セイコーインスツル株式会社 時計用モータの状態検出回路、時計、および時計用モータの状態検出方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0191864U (fr) * 1987-12-05 1989-06-16

Also Published As

Publication number Publication date
JPS5477162A (en) 1979-06-20

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