JPS6140949B2 - - Google Patents

Info

Publication number
JPS6140949B2
JPS6140949B2 JP14464877A JP14464877A JPS6140949B2 JP S6140949 B2 JPS6140949 B2 JP S6140949B2 JP 14464877 A JP14464877 A JP 14464877A JP 14464877 A JP14464877 A JP 14464877A JP S6140949 B2 JPS6140949 B2 JP S6140949B2
Authority
JP
Japan
Prior art keywords
output
circuit
rotor
pulse
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
JP14464877A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5477166A (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 JP14464877A priority Critical patent/JPS5477166A/ja
Publication of JPS5477166A publication Critical patent/JPS5477166A/ja
Publication of JPS6140949B2 publication Critical patent/JPS6140949B2/ja
Granted legal-status Critical Current

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)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
JP14464877A 1977-12-02 1977-12-02 Electronic watch Granted JPS5477166A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14464877A JPS5477166A (en) 1977-12-02 1977-12-02 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14464877A JPS5477166A (en) 1977-12-02 1977-12-02 Electronic watch

Publications (2)

Publication Number Publication Date
JPS5477166A JPS5477166A (en) 1979-06-20
JPS6140949B2 true JPS6140949B2 (enExample) 1986-09-11

Family

ID=15366953

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14464877A Granted JPS5477166A (en) 1977-12-02 1977-12-02 Electronic watch

Country Status (1)

Country Link
JP (1) JPS5477166A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7977909B2 (en) 2008-02-20 2011-07-12 Casio Computer Co., Ltd. Device and method of driving stepping motor of analog electronic clock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7977909B2 (en) 2008-02-20 2011-07-12 Casio Computer Co., Ltd. Device and method of driving stepping motor of analog electronic clock

Also Published As

Publication number Publication date
JPS5477166A (en) 1979-06-20

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