JPH0358073B2 - - Google Patents

Info

Publication number
JPH0358073B2
JPH0358073B2 JP57123342A JP12334282A JPH0358073B2 JP H0358073 B2 JPH0358073 B2 JP H0358073B2 JP 57123342 A JP57123342 A JP 57123342A JP 12334282 A JP12334282 A JP 12334282A JP H0358073 B2 JPH0358073 B2 JP H0358073B2
Authority
JP
Japan
Prior art keywords
detection
pulse
rotor
coil
resistance
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 - Lifetime
Application number
JP57123342A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5913971A (ja
Inventor
Kenji Sakamoto
Jiro Ito
Masuo Kitano
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
Original Assignee
Seiko Epson Corp
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 filed Critical Seiko Epson Corp
Priority to JP12334282A priority Critical patent/JPS5913971A/ja
Publication of JPS5913971A publication Critical patent/JPS5913971A/ja
Publication of JPH0358073B2 publication Critical patent/JPH0358073B2/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)
JP12334282A 1982-07-15 1982-07-15 アナログ電子時計 Granted JPS5913971A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12334282A JPS5913971A (ja) 1982-07-15 1982-07-15 アナログ電子時計

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12334282A JPS5913971A (ja) 1982-07-15 1982-07-15 アナログ電子時計

Publications (2)

Publication Number Publication Date
JPS5913971A JPS5913971A (ja) 1984-01-24
JPH0358073B2 true JPH0358073B2 (en]) 1991-09-04

Family

ID=14858187

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12334282A Granted JPS5913971A (ja) 1982-07-15 1982-07-15 アナログ電子時計

Country Status (1)

Country Link
JP (1) JPS5913971A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7545308B2 (ja) * 2020-12-08 2024-09-04 シチズン時計株式会社 電子時計

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53114467A (en) * 1977-03-16 1978-10-05 Seiko Instr & Electronics Ltd Electronic watch
JPS5593081A (en) * 1979-01-09 1980-07-15 Citizen Watch Co Ltd Pulse motor driver circuit for time piece
JPS5643575A (en) * 1979-09-18 1981-04-22 Seiko Instr & Electronics Ltd Electronic clock

Also Published As

Publication number Publication date
JPS5913971A (ja) 1984-01-24

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