JPS5477163A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS5477163A
JPS5477163A JP14464577A JP14464577A JPS5477163A JP S5477163 A JPS5477163 A JP S5477163A JP 14464577 A JP14464577 A JP 14464577A JP 14464577 A JP14464577 A JP 14464577A JP S5477163 A JPS5477163 A JP S5477163A
Authority
JP
Japan
Prior art keywords
step motor
pulses
driven
time
fed
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.)
Granted
Application number
JP14464577A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6118704B2 (enrdf_load_stackoverflow
Inventor
Masaharu Shida
Jun Ueda
Akira Torisawa
Shuji Otawa
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 JP14464577A priority Critical patent/JPS5477163A/ja
Publication of JPS5477163A publication Critical patent/JPS5477163A/ja
Publication of JPS6118704B2 publication Critical patent/JPS6118704B2/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)
  • Control Of Stepping Motors (AREA)
  • Electromechanical Clocks (AREA)
JP14464577A 1977-12-02 1977-12-02 Electronic watch Granted JPS5477163A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14464577A JPS5477163A (en) 1977-12-02 1977-12-02 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14464577A JPS5477163A (en) 1977-12-02 1977-12-02 Electronic watch

Publications (2)

Publication Number Publication Date
JPS5477163A true JPS5477163A (en) 1979-06-20
JPS6118704B2 JPS6118704B2 (enrdf_load_stackoverflow) 1986-05-14

Family

ID=15366878

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14464577A Granted JPS5477163A (en) 1977-12-02 1977-12-02 Electronic watch

Country Status (1)

Country Link
JP (1) JPS5477163A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6118704B2 (enrdf_load_stackoverflow) 1986-05-14

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