JPS5385467A - Electronic wristwatch - Google Patents

Electronic wristwatch

Info

Publication number
JPS5385467A
JPS5385467A JP15976776A JP15976776A JPS5385467A JP S5385467 A JPS5385467 A JP S5385467A JP 15976776 A JP15976776 A JP 15976776A JP 15976776 A JP15976776 A JP 15976776A JP S5385467 A JPS5385467 A JP S5385467A
Authority
JP
Japan
Prior art keywords
electronic wristwatch
selecting
condition
driving
beforehand
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
JP15976776A
Other languages
Japanese (ja)
Other versions
JPS6148110B2 (en
Inventor
Kiichi Kawamura
Minoru Hosokawa
Sakio Okazaki
Hiroshi Ishii
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 Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP15976776A priority Critical patent/JPS5385467A/en
Publication of JPS5385467A publication Critical patent/JPS5385467A/en
Publication of JPS6148110B2 publication Critical patent/JPS6148110B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE:To achieve the reduction in power consumption by beforehand selecting three kinds of motor driving pulses, detecting the loading condition from the voltage or current after the completion of application of the driving signals and selecting the driving pulse from that condition.
JP15976776A 1976-12-30 1976-12-30 Electronic wristwatch Granted JPS5385467A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15976776A JPS5385467A (en) 1976-12-30 1976-12-30 Electronic wristwatch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15976776A JPS5385467A (en) 1976-12-30 1976-12-30 Electronic wristwatch

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP22125385A Division JPS6193975A (en) 1985-10-04 1985-10-04 Electronic timepiece

Publications (2)

Publication Number Publication Date
JPS5385467A true JPS5385467A (en) 1978-07-27
JPS6148110B2 JPS6148110B2 (en) 1986-10-22

Family

ID=15700813

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15976776A Granted JPS5385467A (en) 1976-12-30 1976-12-30 Electronic wristwatch

Country Status (1)

Country Link
JP (1) JPS5385467A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5536792A (en) * 1978-06-20 1980-03-14 Ebauches Sa Electronic timepiece
JPS5582078A (en) * 1978-12-14 1980-06-20 Ricoh Elemex Corp Drive system for step motor for watch
JPS5582079A (en) * 1978-12-15 1980-06-20 Ricoh Elemex Corp Drive system for step motor for watch
JPS57177296A (en) * 1981-03-31 1982-10-30 Omega Brandt & Freres Sa Louis Method of following stepping motor driven by bipolar pulse train by load applied by time piece mechanism and device for driving stepping motor
WO2005119377A1 (en) * 2004-06-04 2005-12-15 Seiko Instruments Inc. Analog electronic clock and motor control circuit
JP2008206240A (en) * 2007-02-17 2008-09-04 Seiko Instruments Inc Stepping motor drive circuit and analog electronic clock
JP2010166798A (en) * 2008-05-29 2010-07-29 Seiko Instruments Inc Stepping motor control circuit and analog electronic timepiece

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0194214U (en) * 1987-12-16 1989-06-21

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5536792A (en) * 1978-06-20 1980-03-14 Ebauches Sa Electronic timepiece
JPS5582078A (en) * 1978-12-14 1980-06-20 Ricoh Elemex Corp Drive system for step motor for watch
JPS5582079A (en) * 1978-12-15 1980-06-20 Ricoh Elemex Corp Drive system for step motor for watch
JPS57177296A (en) * 1981-03-31 1982-10-30 Omega Brandt & Freres Sa Louis Method of following stepping motor driven by bipolar pulse train by load applied by time piece mechanism and device for driving stepping motor
WO2005119377A1 (en) * 2004-06-04 2005-12-15 Seiko Instruments Inc. Analog electronic clock and motor control circuit
JPWO2005119377A1 (en) * 2004-06-04 2008-04-03 セイコーインスツル株式会社 Analog electronic timepiece and motor control circuit
US7606116B2 (en) 2004-06-04 2009-10-20 Seiko Instruments Inc. Analogue electronic clock and motor control circuit
US8064294B2 (en) 2004-06-04 2011-11-22 Seiko Instruments Inc. Analogue electronic clock and motor control circuit
JP4863871B2 (en) * 2004-06-04 2012-01-25 セイコーインスツル株式会社 Analog electronic timepiece and motor control circuit
JP2008206240A (en) * 2007-02-17 2008-09-04 Seiko Instruments Inc Stepping motor drive circuit and analog electronic clock
JP2010166798A (en) * 2008-05-29 2010-07-29 Seiko Instruments Inc Stepping motor control circuit and analog electronic timepiece

Also Published As

Publication number Publication date
JPS6148110B2 (en) 1986-10-22

Similar Documents

Publication Publication Date Title
CH633939GA3 (en)
JPS53114467A (en) Electronic watch
JPS53132380A (en) Electronic watch
JPS5385467A (en) Electronic wristwatch
JPS53132382A (en) Electronic watch
JPS53132381A (en) Electronic watch
JPS53144360A (en) Driving method of electrochromic display body
JPS53132386A (en) Electronic watch
JPS5418018A (en) Pulse motor drive circuit
JPS5330720A (en) Positioning control system for pulse motor
JPS5217758A (en) Pulse generator circuit
JPS541665A (en) Ic for watches
JPS5345576A (en) Electronic wristwatch
JPS5412777A (en) Pulse motor driving circuit for watches
JPS51128234A (en) Mos-type semi-conductor memory
JPS52110665A (en) Circuit for electronic clock
JPS5348562A (en) Driving method of electromagnetic type buzzer for wristwatches
JPS5421874A (en) Electronic wristwatch
JPS5258958A (en) Electronic watch
JPS5370873A (en) Electronic wristwatch
JPS5370874A (en) Electronic wristwatch
JPS5249407A (en) Reversibible pluse motor for electronic watch
JPS5421873A (en) Electronic watch
JPS5243459A (en) Electronic timepiece for motor car
JPS5224441A (en) Low-power memory write mode storage