JPS58162886A - 電子時計 - Google Patents

電子時計

Info

Publication number
JPS58162886A
JPS58162886A JP4609282A JP4609282A JPS58162886A JP S58162886 A JPS58162886 A JP S58162886A JP 4609282 A JP4609282 A JP 4609282A JP 4609282 A JP4609282 A JP 4609282A JP S58162886 A JPS58162886 A JP S58162886A
Authority
JP
Japan
Prior art keywords
circuit
step motor
transistors
input terminal
rotation detection
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
JP4609282A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0449672B2 (en]
Inventor
Yoshihiko Kiyono
清野　喜彦
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 Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP4609282A priority Critical patent/JPS58162886A/ja
Publication of JPS58162886A publication Critical patent/JPS58162886A/ja
Publication of JPH0449672B2 publication Critical patent/JPH0449672B2/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)
JP4609282A 1982-03-23 1982-03-23 電子時計 Granted JPS58162886A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4609282A JPS58162886A (ja) 1982-03-23 1982-03-23 電子時計

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4609282A JPS58162886A (ja) 1982-03-23 1982-03-23 電子時計

Publications (2)

Publication Number Publication Date
JPS58162886A true JPS58162886A (ja) 1983-09-27
JPH0449672B2 JPH0449672B2 (en]) 1992-08-12

Family

ID=12737340

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4609282A Granted JPS58162886A (ja) 1982-03-23 1982-03-23 電子時計

Country Status (1)

Country Link
JP (1) JPS58162886A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02102485A (ja) * 1988-10-11 1990-04-16 Seiko Epson Corp 指針型電子時計用駆動回路

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5213609A (en) * 1975-07-24 1977-02-02 Seiko Instr & Electronics Ltd Circuit to decide the rotation of the step motor for a clock
JPS5397664U (en]) * 1976-12-22 1978-08-08
JPS5548682A (en) * 1978-10-04 1980-04-07 Seiko Instr & Electronics Ltd Measuring device for electronic watch
JPS5570777A (en) * 1978-11-22 1980-05-28 Seiko Instr & Electronics Ltd Test circuit for electronic watch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5213609A (en) * 1975-07-24 1977-02-02 Seiko Instr & Electronics Ltd Circuit to decide the rotation of the step motor for a clock
JPS5397664U (en]) * 1976-12-22 1978-08-08
JPS5548682A (en) * 1978-10-04 1980-04-07 Seiko Instr & Electronics Ltd Measuring device for electronic watch
JPS5570777A (en) * 1978-11-22 1980-05-28 Seiko Instr & Electronics Ltd Test circuit for electronic watch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02102485A (ja) * 1988-10-11 1990-04-16 Seiko Epson Corp 指針型電子時計用駆動回路

Also Published As

Publication number Publication date
JPH0449672B2 (en]) 1992-08-12

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