JPS52119267A - Electronic wristwatch - Google Patents

Electronic wristwatch

Info

Publication number
JPS52119267A
JPS52119267A JP3484276A JP3484276A JPS52119267A JP S52119267 A JPS52119267 A JP S52119267A JP 3484276 A JP3484276 A JP 3484276A JP 3484276 A JP3484276 A JP 3484276A JP S52119267 A JPS52119267 A JP S52119267A
Authority
JP
Japan
Prior art keywords
electronic wristwatch
mis
compensating
stabilization
rotor
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
JP3484276A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6261909B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Kiichi Kawamura
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 Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha 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 Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP3484276A priority Critical patent/JPS52119267A/ja
Publication of JPS52119267A publication Critical patent/JPS52119267A/ja
Publication of JPS6261909B2 publication Critical patent/JPS6261909B2/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)
JP3484276A 1976-03-30 1976-03-30 Electronic wristwatch Granted JPS52119267A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3484276A JPS52119267A (en) 1976-03-30 1976-03-30 Electronic wristwatch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3484276A JPS52119267A (en) 1976-03-30 1976-03-30 Electronic wristwatch

Publications (2)

Publication Number Publication Date
JPS52119267A true JPS52119267A (en) 1977-10-06
JPS6261909B2 JPS6261909B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-12-23

Family

ID=12425435

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3484276A Granted JPS52119267A (en) 1976-03-30 1976-03-30 Electronic wristwatch

Country Status (1)

Country Link
JP (1) JPS52119267A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPS6261909B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-12-23

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