JPS6318149B2 - - Google Patents

Info

Publication number
JPS6318149B2
JPS6318149B2 JP14465077A JP14465077A JPS6318149B2 JP S6318149 B2 JPS6318149 B2 JP S6318149B2 JP 14465077 A JP14465077 A JP 14465077A JP 14465077 A JP14465077 A JP 14465077A JP S6318149 B2 JPS6318149 B2 JP S6318149B2
Authority
JP
Japan
Prior art keywords
rotor
pulse
output
circuit
coil
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
JP14465077A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5477168A (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 Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP14465077A priority Critical patent/JPS5477168A/ja
Publication of JPS5477168A publication Critical patent/JPS5477168A/ja
Publication of JPS6318149B2 publication Critical patent/JPS6318149B2/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)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
JP14465077A 1977-12-02 1977-12-02 Electronic watch Granted JPS5477168A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14465077A JPS5477168A (en) 1977-12-02 1977-12-02 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14465077A JPS5477168A (en) 1977-12-02 1977-12-02 Electronic watch

Publications (2)

Publication Number Publication Date
JPS5477168A JPS5477168A (en) 1979-06-20
JPS6318149B2 true JPS6318149B2 (en]) 1988-04-16

Family

ID=15367005

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14465077A Granted JPS5477168A (en) 1977-12-02 1977-12-02 Electronic watch

Country Status (1)

Country Link
JP (1) JPS5477168A (en])

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006226927A (ja) * 2005-02-21 2006-08-31 Seiko Instruments Inc ステップモータ駆動装置及びアナログ電子時計
JP2007218668A (ja) * 2006-02-15 2007-08-30 Seiko Instruments Inc ステップモータ駆動回路及びアナログ電子時計

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006226927A (ja) * 2005-02-21 2006-08-31 Seiko Instruments Inc ステップモータ駆動装置及びアナログ電子時計
JP2007218668A (ja) * 2006-02-15 2007-08-30 Seiko Instruments Inc ステップモータ駆動回路及びアナログ電子時計

Also Published As

Publication number Publication date
JPS5477168A (en) 1979-06-20

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