JPS5389776A - Electronic wristwatch - Google Patents

Electronic wristwatch

Info

Publication number
JPS5389776A
JPS5389776A JP472877A JP472877A JPS5389776A JP S5389776 A JPS5389776 A JP S5389776A JP 472877 A JP472877 A JP 472877A JP 472877 A JP472877 A JP 472877A JP S5389776 A JPS5389776 A JP S5389776A
Authority
JP
Japan
Prior art keywords
electronic wristwatch
load
watch
reliability
decrease
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
JP472877A
Other languages
Japanese (ja)
Other versions
JPS6126034B2 (en
Inventor
Minoru Hosokawa
Hiroshi Ishii
Kiichi Kawamura
Sakio Okazaki
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 JP472877A priority Critical patent/JPS5389776A/en
Priority to CH53178A priority patent/CH635973B/en
Priority to US05/870,957 priority patent/US4192131A/en
Publication of JPS5389776A publication Critical patent/JPS5389776A/en
Publication of JPS6126034B2 publication Critical patent/JPS6126034B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE:To achieve the decrease in power consumption and improve the reliability of watch by cutting off the power supply to a load state detecting circuit of an electromechanical converter such as pulse motor, etc. when no load is applied.
JP472877A 1977-01-19 1977-01-19 Electronic wristwatch Granted JPS5389776A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP472877A JPS5389776A (en) 1977-01-19 1977-01-19 Electronic wristwatch
CH53178A CH635973B (en) 1977-01-19 1978-01-18 CONTROL CIRCUIT FOR AN ELECTROMECHANICAL TRANSDUCER OF A WATCH, ESPECIALLY OF AN ELECTRONIC BRACELET WATCH.
US05/870,957 US4192131A (en) 1977-01-19 1978-01-19 Step motor control mechanism for electronic timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP472877A JPS5389776A (en) 1977-01-19 1977-01-19 Electronic wristwatch

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP9451487A Division JPS62247283A (en) 1987-04-17 1987-04-17 Electronic wrist watch

Publications (2)

Publication Number Publication Date
JPS5389776A true JPS5389776A (en) 1978-08-07
JPS6126034B2 JPS6126034B2 (en) 1986-06-18

Family

ID=11591945

Family Applications (1)

Application Number Title Priority Date Filing Date
JP472877A Granted JPS5389776A (en) 1977-01-19 1977-01-19 Electronic wristwatch

Country Status (1)

Country Link
JP (1) JPS5389776A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4985514A (en) * 1972-12-22 1974-08-16
JPS5010433A (en) * 1973-06-04 1975-02-03
JPS5113280A (en) * 1974-07-15 1976-02-02 Suwa Seikosha Kk SUISHO DOKEI

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4985514A (en) * 1972-12-22 1974-08-16
JPS5010433A (en) * 1973-06-04 1975-02-03
JPS5113280A (en) * 1974-07-15 1976-02-02 Suwa Seikosha Kk SUISHO DOKEI

Also Published As

Publication number Publication date
JPS6126034B2 (en) 1986-06-18

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