JPS5777984A - Electronic clock - Google Patents

Electronic clock

Info

Publication number
JPS5777984A
JPS5777984A JP15351780A JP15351780A JPS5777984A JP S5777984 A JPS5777984 A JP S5777984A JP 15351780 A JP15351780 A JP 15351780A JP 15351780 A JP15351780 A JP 15351780A JP S5777984 A JPS5777984 A JP S5777984A
Authority
JP
Japan
Prior art keywords
circuit
level
voltage
driving
low
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
JP15351780A
Other languages
English (en)
Inventor
Fumio Sugano
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.)
Citizen Holdings Co Ltd
Citizen Watch Co Ltd
Original Assignee
Citizen Holdings Co Ltd
Citizen Watch Co Ltd
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 Citizen Holdings Co Ltd, Citizen Watch Co Ltd filed Critical Citizen Holdings Co Ltd
Priority to JP15351780A priority Critical patent/JPS5777984A/ja
Publication of JPS5777984A publication Critical patent/JPS5777984A/ja
Pending 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
JP15351780A 1980-10-31 1980-10-31 Electronic clock Pending JPS5777984A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15351780A JPS5777984A (en) 1980-10-31 1980-10-31 Electronic clock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15351780A JPS5777984A (en) 1980-10-31 1980-10-31 Electronic clock

Publications (1)

Publication Number Publication Date
JPS5777984A true JPS5777984A (en) 1982-05-15

Family

ID=15564261

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15351780A Pending JPS5777984A (en) 1980-10-31 1980-10-31 Electronic clock

Country Status (1)

Country Link
JP (1) JPS5777984A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995027926A1 (en) * 1994-04-06 1995-10-19 Citizen Watch Co., Ltd. Electronic timepiece
JPH0847299A (ja) * 1994-07-28 1996-02-16 Seikosha Co Ltd 負荷の駆動回路
JP2013165633A (ja) * 2012-01-11 2013-08-22 Seiko Instruments Inc ステッピングモータ制御回路、ムーブメント及びアナログ電子時計
WO2014017502A1 (ja) * 2012-07-23 2014-01-30 シチズンホールディングス株式会社 電子時計

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995027926A1 (en) * 1994-04-06 1995-10-19 Citizen Watch Co., Ltd. Electronic timepiece
US5889734A (en) * 1994-04-06 1999-03-30 Citizen Watch Co., Ltd. Electronic timepiece
JPH0847299A (ja) * 1994-07-28 1996-02-16 Seikosha Co Ltd 負荷の駆動回路
JP2013165633A (ja) * 2012-01-11 2013-08-22 Seiko Instruments Inc ステッピングモータ制御回路、ムーブメント及びアナログ電子時計
WO2014017502A1 (ja) * 2012-07-23 2014-01-30 シチズンホールディングス株式会社 電子時計
EP2876508A4 (en) * 2012-07-23 2016-03-23 Citizen Holdings Co Ltd ELECTRONIC CLOCK
JPWO2014017502A1 (ja) * 2012-07-23 2016-07-11 シチズンホールディングス株式会社 電子時計
JP2017026639A (ja) * 2012-07-23 2017-02-02 シチズン時計株式会社 電子時計
US9612579B2 (en) 2012-07-23 2017-04-04 Citizen Watch Co., Ltd. Electronic clock

Similar Documents

Publication Publication Date Title
JPS562226A (en) Dozing drive detector
JPS56158978A (en) Electronic watch
JPS5777984A (en) Electronic clock
JPS5612577A (en) Electronic clock
JPS53132386A (en) Electronic watch
GB2054292A (en) Battery charging circuit for an electronic timepiece
JPS5597198A (en) Load level detecting method and its circuit for stepping motor
JPS6464523A (en) Vehicle mounted controller
JPS54157360A (en) Defrosting control system
ATE29634T1 (de) Schaltungsanordnung zur potentialfreien erfassung von binaeren elektrischen signalen.
JPS57110100A (en) Driving system for pulse motor
JPS54134667A (en) Drive control system of pulse motor for watch
JPS5614177A (en) Analog electric timepiece
JPS5789523A (en) Electric discharge machining device
JPS5345576A (en) Electronic wristwatch
JPS5742877A (en) Electromechanical device
JPS5633235A (en) Electrospark machining device
JPS5683296A (en) Detector of operation of motor for clock
JPS57105553A (en) Driving control system for ignition coil
JPS57139622A (en) Economically operating status recording meter of automobile
JPS5788375A (en) Electronic clock
JP2927825B2 (ja) 直流モータ制御回路
JPS5577216A (en) Shock sound preventive circuit
JPS56139972A (en) Control circuit for charging electrode for ink jet printer
JPS57204523A (en) Battery checking device of camera