JPS5913971A - アナログ電子時計 - Google Patents

アナログ電子時計

Info

Publication number
JPS5913971A
JPS5913971A JP12334282A JP12334282A JPS5913971A JP S5913971 A JPS5913971 A JP S5913971A JP 12334282 A JP12334282 A JP 12334282A JP 12334282 A JP12334282 A JP 12334282A JP S5913971 A JPS5913971 A JP S5913971A
Authority
JP
Japan
Prior art keywords
detection
pulse
rotor
resistance
voltage
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
JP12334282A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0358073B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Kenji Sakamoto
研二 坂本
Jiro Ito
治郎 伊藤
Masuo Kitano
北野　倍生
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 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)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (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 true JPS5913971A (ja) 1984-01-24
JPH0358073B2 JPH0358073B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022090772A (ja) * 2020-12-08 2022-06-20 シチズン時計株式会社 電子時計

Citations (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

Patent Citations (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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022090772A (ja) * 2020-12-08 2022-06-20 シチズン時計株式会社 電子時計

Also Published As

Publication number Publication date
JPH0358073B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-09-04

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