JPS5422864A - Motor drive circuit electronic watch - Google Patents

Motor drive circuit electronic watch

Info

Publication number
JPS5422864A
JPS5422864A JP8664777A JP8664777A JPS5422864A JP S5422864 A JPS5422864 A JP S5422864A JP 8664777 A JP8664777 A JP 8664777A JP 8664777 A JP8664777 A JP 8664777A JP S5422864 A JPS5422864 A JP S5422864A
Authority
JP
Japan
Prior art keywords
drive circuit
motor drive
electronic watch
circuit electronic
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
JP8664777A
Other languages
Japanese (ja)
Inventor
Makoto Yoshida
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 JP8664777A priority Critical patent/JPS5422864A/en
Publication of JPS5422864A publication Critical patent/JPS5422864A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
    • G04G19/08—Arrangements for preventing voltage drop due to overloading the power supply

Abstract

PURPOSE:To prevent the erroneous operations due to reduction in the voltage of a battery by connecting in series a battery power source, a step motor and a switch circuit and by connecting in parallel the step motor drive circuit and a condenser.
JP8664777A 1977-07-21 1977-07-21 Motor drive circuit electronic watch Pending JPS5422864A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8664777A JPS5422864A (en) 1977-07-21 1977-07-21 Motor drive circuit electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8664777A JPS5422864A (en) 1977-07-21 1977-07-21 Motor drive circuit electronic watch

Publications (1)

Publication Number Publication Date
JPS5422864A true JPS5422864A (en) 1979-02-21

Family

ID=13892813

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8664777A Pending JPS5422864A (en) 1977-07-21 1977-07-21 Motor drive circuit electronic watch

Country Status (1)

Country Link
JP (1) JPS5422864A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55166076A (en) * 1979-06-13 1980-12-24 Citizen Watch Co Ltd Circuit for electronic watch
JPS58501090A (en) * 1981-07-13 1983-07-07 ティーティーシー　ホールディング　アクチエンゲゼルシャフト electronic equipment
JP2015047028A (en) * 2013-08-29 2015-03-12 リンナイ株式会社 Power supply apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55166076A (en) * 1979-06-13 1980-12-24 Citizen Watch Co Ltd Circuit for electronic watch
JPS58501090A (en) * 1981-07-13 1983-07-07 ティーティーシー　ホールディング　アクチエンゲゼルシャフト electronic equipment
JP2015047028A (en) * 2013-08-29 2015-03-12 リンナイ株式会社 Power supply apparatus

Similar Documents

Publication Publication Date Title
JPS5240371A (en) Electronic watch
JPS53114467A (en) Electronic watch
JPS53136870A (en) Electronic watch
JPS544560A (en) Semiconductor inverter circuit
JPS5410772A (en) Electronic watch
JPS53132383A (en) Electronic watch circuit
JPS5422864A (en) Motor drive circuit electronic watch
JPS5363057A (en) Electronic wristwatch
JPS5296066A (en) Electronic wrist watch
JPS5414272A (en) Electronic watch
JPS5213367A (en) Electronic clock
JPS53115269A (en) Electronic watch
JPS52137244A (en) Complementary mos driving circuit
JPS52110665A (en) Circuit for electronic clock
JPS5387768A (en) Pulse motor driving circuit for watch
JPS5384769A (en) Electronic wristwatch
JPS51136454A (en) Electronic watch
JPS5345569A (en) Electronic watch
JPS5367341A (en) Output circuit
JPS5369676A (en) Electronic watch with solar battery
JPS5330371A (en) Electronic circuit for timepiece
JPS535671A (en) Electronic watch
JPS52105867A (en) Motor driving circuit for electronic timepiece
JPS537369A (en) Electronic watch
JPS53140070A (en) Electronic watch