JPS5627679A - Electronic timepiece - Google Patents

Electronic timepiece

Info

Publication number
JPS5627679A
JPS5627679A JP10334979A JP10334979A JPS5627679A JP S5627679 A JPS5627679 A JP S5627679A JP 10334979 A JP10334979 A JP 10334979A JP 10334979 A JP10334979 A JP 10334979A JP S5627679 A JPS5627679 A JP S5627679A
Authority
JP
Japan
Prior art keywords
load
detection
circuit
signal
step motor
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
JP10334979A
Other languages
English (en)
Inventor
Fumio Sugano
Akio Nakajima
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 Watch Co Ltd
Original Assignee
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 Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP10334979A priority Critical patent/JPS5627679A/ja
Publication of JPS5627679A publication Critical patent/JPS5627679A/ja
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • G04C3/143Means 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)
JP10334979A 1979-08-14 1979-08-14 Electronic timepiece Pending JPS5627679A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10334979A JPS5627679A (en) 1979-08-14 1979-08-14 Electronic timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10334979A JPS5627679A (en) 1979-08-14 1979-08-14 Electronic timepiece

Publications (1)

Publication Number Publication Date
JPS5627679A true JPS5627679A (en) 1981-03-18

Family

ID=14351652

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10334979A Pending JPS5627679A (en) 1979-08-14 1979-08-14 Electronic timepiece

Country Status (1)

Country Link
JP (1) JPS5627679A (ja)

Similar Documents

Publication Publication Date Title
CH640387GA3 (ja)
GB2094517B (en) Improvements in or relatig to stepping motor driven analog timepieces
GB1425840A (en) Electronic timepiece
JPS53132380A (en) Electronic watch
JPS5515054A (en) Electronic watch
CH635973GA3 (ja)
JPS5612577A (en) Electronic clock
CH628201GA3 (ja)
JPS5627679A (en) Electronic timepiece
FR2455763B1 (ja)
GB2030734B (en) Load measuring arrangement for a stepping motor
FR2388329B1 (ja)
JPS55122180A (en) Driving circuit for pulse motor of timepiece
CH635721GA3 (ja)
JPS5345576A (en) Electronic wristwatch
JPS5587077A (en) Detector for electronic watch
JPS5571196A (en) Load detector of pulse motor
JPS54140914A (en) Construction of motor for quartz timepiece having hands
JPS5370874A (en) Electronic wristwatch
JPS5619472A (en) Electronic timepiece
JPS54134667A (en) Drive control system of pulse motor for watch
JPS54101367A (en) Pulse motor driving circuit for watches
JPS566693A (en) Control lead angle regulation system for commutatorless motor
JPS5773690A (en) Electronic timepiece
SU1647832A1 (ru) Электропривод посто нного тока