JPS5213609A - Circuit to decide the rotation of the step motor for a clock - Google Patents

Circuit to decide the rotation of the step motor for a clock

Info

Publication number
JPS5213609A
JPS5213609A JP9057275A JP9057275A JPS5213609A JP S5213609 A JPS5213609 A JP S5213609A JP 9057275 A JP9057275 A JP 9057275A JP 9057275 A JP9057275 A JP 9057275A JP S5213609 A JPS5213609 A JP S5213609A
Authority
JP
Japan
Prior art keywords
rotation
clock
step motor
circuit
decide
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
JP9057275A
Other languages
Japanese (ja)
Inventor
Akira Torisawa
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 JP9057275A priority Critical patent/JPS5213609A/en
Publication of JPS5213609A publication Critical patent/JPS5213609A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electromechanical Clocks (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)

Abstract

PURPOSE: A rotation decision circuit where the difference in the charactor of the current rise in the step motor for a clock is detected, enabling automatic, quick and the sure decision of the rotation of the rotor.
COPYRIGHT: (C)1977,JPO&Japio
JP9057275A 1975-07-24 1975-07-24 Circuit to decide the rotation of the step motor for a clock Pending JPS5213609A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9057275A JPS5213609A (en) 1975-07-24 1975-07-24 Circuit to decide the rotation of the step motor for a clock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9057275A JPS5213609A (en) 1975-07-24 1975-07-24 Circuit to decide the rotation of the step motor for a clock

Publications (1)

Publication Number Publication Date
JPS5213609A true JPS5213609A (en) 1977-02-02

Family

ID=14002127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9057275A Pending JPS5213609A (en) 1975-07-24 1975-07-24 Circuit to decide the rotation of the step motor for a clock

Country Status (1)

Country Link
JP (1) JPS5213609A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2388325A1 (en) * 1977-04-23 1978-11-17 Seiko Instr & Electronics DEVICE FOR REDUCING THE CONSUMPTION OF AN ELECTRONIC WATCH
FR2388328A1 (en) * 1977-04-23 1978-11-17 Seiko Instr & Electronics
FR2388329A1 (en) * 1977-04-23 1978-11-17 Seiko Instr & Electronics ELECTRONIC WATCH MOVEMENT / R
JPS58162886A (en) * 1982-03-23 1983-09-27 Seiko Instr & Electronics Ltd Electronic timepiece

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2388325A1 (en) * 1977-04-23 1978-11-17 Seiko Instr & Electronics DEVICE FOR REDUCING THE CONSUMPTION OF AN ELECTRONIC WATCH
FR2388328A1 (en) * 1977-04-23 1978-11-17 Seiko Instr & Electronics
FR2388329A1 (en) * 1977-04-23 1978-11-17 Seiko Instr & Electronics ELECTRONIC WATCH MOVEMENT / R
JPS58162886A (en) * 1982-03-23 1983-09-27 Seiko Instr & Electronics Ltd Electronic timepiece
JPH0449672B2 (en) * 1982-03-23 1992-08-12 Seiko Instr & Electronics

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