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JPS5387768A - Pulse motor driving circuit for watch - Google Patents

Pulse motor driving circuit for watch

Info

Publication number
JPS5387768A
JPS5387768A JP267877A JP267877A JPS5387768A JP S5387768 A JPS5387768 A JP S5387768A JP 267877 A JP267877 A JP 267877A JP 267877 A JP267877 A JP 267877A JP S5387768 A JPS5387768 A JP S5387768A
Authority
JP
Japan
Prior art keywords
driving circuit
pulse motor
motor driving
watch
watches
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
JP267877A
Other languages
Japanese (ja)
Inventor
Akio Nakajima
Tadayasu Machida
Kenji Yamada
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 JP267877A priority Critical patent/JPS5387768A/en
Publication of JPS5387768A publication Critical patent/JPS5387768A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)

Abstract

PURPOSE:To provide a pulse motor driving circuit for watches capable of achieving the miniaturization of watches with a battery of a small capacity by stepwise changing the width of driving pulses according to the change in power source voltage.
JP267877A 1977-01-13 1977-01-13 Pulse motor driving circuit for watch Pending JPS5387768A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP267877A JPS5387768A (en) 1977-01-13 1977-01-13 Pulse motor driving circuit for watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP267877A JPS5387768A (en) 1977-01-13 1977-01-13 Pulse motor driving circuit for watch

Publications (1)

Publication Number Publication Date
JPS5387768A true JPS5387768A (en) 1978-08-02

Family

ID=11535954

Family Applications (1)

Application Number Title Priority Date Filing Date
JP267877A Pending JPS5387768A (en) 1977-01-13 1977-01-13 Pulse motor driving circuit for watch

Country Status (1)

Country Link
JP (1) JPS5387768A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5590882A (en) * 1978-12-29 1980-07-09 Citizen Watch Co Ltd Integrated circuit for electronic clock
WO1995027926A1 (en) * 1994-04-06 1995-10-19 Citizen Watch Co., Ltd. Electronic timepiece
JP2016102780A (en) * 2014-11-13 2016-06-02 セイコーインスツル株式会社 Electronic clock and method for controlling electronic clock

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5590882A (en) * 1978-12-29 1980-07-09 Citizen Watch Co Ltd Integrated circuit for electronic clock
JPS625306B2 (en) * 1978-12-29 1987-02-04 Citizen Watch Co Ltd
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
JP2016102780A (en) * 2014-11-13 2016-06-02 セイコーインスツル株式会社 Electronic clock and method for controlling electronic clock

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