JPS621223B2 - - Google Patents

Info

Publication number
JPS621223B2
JPS621223B2 JP54051080A JP5108079A JPS621223B2 JP S621223 B2 JPS621223 B2 JP S621223B2 JP 54051080 A JP54051080 A JP 54051080A JP 5108079 A JP5108079 A JP 5108079A JP S621223 B2 JPS621223 B2 JP S621223B2
Authority
JP
Japan
Prior art keywords
rotor
terminal
voltage
section
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
JP54051080A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55142270A (en
Inventor
Jun Ueda
Akira Torisawa
Shuji Ootawa
Masaaki Bandai
Masaharu Shida
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 JP5108079A priority Critical patent/JPS55142270A/ja
Publication of JPS55142270A publication Critical patent/JPS55142270A/ja
Publication of JPS621223B2 publication Critical patent/JPS621223B2/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)
JP5108079A 1979-04-24 1979-04-24 Detector for electronic watch Granted JPS55142270A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5108079A JPS55142270A (en) 1979-04-24 1979-04-24 Detector for electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5108079A JPS55142270A (en) 1979-04-24 1979-04-24 Detector for electronic watch

Publications (2)

Publication Number Publication Date
JPS55142270A JPS55142270A (en) 1980-11-06
JPS621223B2 true JPS621223B2 (forum.php) 1987-01-12

Family

ID=12876828

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5108079A Granted JPS55142270A (en) 1979-04-24 1979-04-24 Detector for electronic watch

Country Status (1)

Country Link
JP (1) JPS55142270A (forum.php)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5587977A (en) * 1978-12-26 1980-07-03 Seiko Instr & Electronics Ltd Device for detecting electronic watch

Also Published As

Publication number Publication date
JPS55142270A (en) 1980-11-06

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