JPS5360268A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS5360268A
JPS5360268A JP13481876A JP13481876A JPS5360268A JP S5360268 A JPS5360268 A JP S5360268A JP 13481876 A JP13481876 A JP 13481876A JP 13481876 A JP13481876 A JP 13481876A JP S5360268 A JPS5360268 A JP S5360268A
Authority
JP
Japan
Prior art keywords
driving current
electronic watch
motor
watch
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.)
Pending
Application number
JP13481876A
Other languages
Japanese (ja)
Inventor
Minoru Hosokawa
Kiichi Kawamura
Sakio Okazaki
Hiroshi Ishii
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 JP13481876A priority Critical patent/JPS5360268A/en
Publication of JPS5360268A publication Critical patent/JPS5360268A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)

Abstract

PURPOSE:To change drive pulse width according to loads and drive the watch with always minimum power consumption by using a bipolar rotor type pulse motor, detecting the rotating condition of the rotor from the waveforms of motor driving current, and cutting off more than required driving current.
JP13481876A 1976-11-10 1976-11-10 Electronic watch Pending JPS5360268A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13481876A JPS5360268A (en) 1976-11-10 1976-11-10 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13481876A JPS5360268A (en) 1976-11-10 1976-11-10 Electronic watch

Publications (1)

Publication Number Publication Date
JPS5360268A true JPS5360268A (en) 1978-05-30

Family

ID=15137191

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13481876A Pending JPS5360268A (en) 1976-11-10 1976-11-10 Electronic watch

Country Status (1)

Country Link
JP (1) JPS5360268A (en)

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