JPS5480778A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS5480778A
JPS5480778A JP14858777A JP14858777A JPS5480778A JP S5480778 A JPS5480778 A JP S5480778A JP 14858777 A JP14858777 A JP 14858777A JP 14858777 A JP14858777 A JP 14858777A JP S5480778 A JPS5480778 A JP S5480778A
Authority
JP
Japan
Prior art keywords
circuit
signals
output
signal generating
backward
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
JP14858777A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6122787B2 (enrdf_load_stackoverflow
Inventor
Mitsuo Sekine
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 JP14858777A priority Critical patent/JPS5480778A/ja
Publication of JPS5480778A publication Critical patent/JPS5480778A/ja
Publication of JPS6122787B2 publication Critical patent/JPS6122787B2/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
JP14858777A 1977-12-10 1977-12-10 Electronic watch Granted JPS5480778A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14858777A JPS5480778A (en) 1977-12-10 1977-12-10 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14858777A JPS5480778A (en) 1977-12-10 1977-12-10 Electronic watch

Publications (2)

Publication Number Publication Date
JPS5480778A true JPS5480778A (en) 1979-06-27
JPS6122787B2 JPS6122787B2 (enrdf_load_stackoverflow) 1986-06-03

Family

ID=15456073

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14858777A Granted JPS5480778A (en) 1977-12-10 1977-12-10 Electronic watch

Country Status (1)

Country Link
JP (1) JPS5480778A (enrdf_load_stackoverflow)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5249407A (en) * 1975-10-17 1977-04-20 Citizen Watch Co Ltd Reversibible pluse motor for electronic watch
JPS52104164A (en) * 1976-02-26 1977-09-01 Citizen Watch Co Ltd Electromechanical convertor driving circuit
JPS52120866A (en) * 1976-04-02 1977-10-11 Citizen Watch Co Ltd Electronic timepiece
JPS53107611A (en) * 1977-03-01 1978-09-19 Seiko Epson Corp Step motor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5249407A (en) * 1975-10-17 1977-04-20 Citizen Watch Co Ltd Reversibible pluse motor for electronic watch
JPS52104164A (en) * 1976-02-26 1977-09-01 Citizen Watch Co Ltd Electromechanical convertor driving circuit
JPS52120866A (en) * 1976-04-02 1977-10-11 Citizen Watch Co Ltd Electronic timepiece
JPS53107611A (en) * 1977-03-01 1978-09-19 Seiko Epson Corp Step motor

Also Published As

Publication number Publication date
JPS6122787B2 (enrdf_load_stackoverflow) 1986-06-03

Similar Documents

Publication Publication Date Title
JPS5452578A (en) Stopwatch
JPS5515053A (en) Electronic watch
CH638364GA3 (enrdf_load_stackoverflow)
JPS5480778A (en) Electronic watch
CH630501B (fr) Circuit de correction-ajustage du temps pour piece d'horlogerie electronique, notamment montre-bracelet electronique.
JPS5362908A (en) Bit clock reproducer
JPS52119366A (en) Alarm electronic watch
JPS5215371A (en) Electronic digital watch
JPS5443778A (en) Drive of electronic wrist watch with alarm
JPS5432250A (en) Pulse generator of wide range
JPS56153434A (en) Contact detecting circuit for keyboard
JPS5483477A (en) Electronic time striking circuit
JPS5412664A (en) Pulse generating system
JPS5458063A (en) Alarm watch having snoozing function
JPS5435665A (en) Pulse generator
JPS5384115A (en) Drive control circuit for reversible motors with electronic damping circuits
JPS5329062A (en) Control circuit of counter
JPS5739376A (en) Alarm electronic timepiece
JPS54133166A (en) Electronic watch
JPS5580079A (en) Electronic wrist watch
JPS5419110A (en) Control circuit for small step motor
JPS52142464A (en) Saw tooth wave generating circuit
JPS55130221A (en) Signal generator
JPS5423572A (en) Electronic wristwatch with alarm
JPS564936A (en) Pulse generator