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
English (en)
Japanese (ja)
Other versions
JPS6126034B2 (enrdf_load_stackoverflow
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/ja
Priority to CH53178A priority patent/CH635973B/fr
Priority to US05/870,957 priority patent/US4192131A/en
Publication of JPS5389776A publication Critical patent/JPS5389776A/ja
Publication of JPS6126034B2 publication Critical patent/JPS6126034B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
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 (fr) 1977-01-19 1978-01-18 Circuit de commande pour un transducteur electromecanique d'une montre, notamment d'une montre-bracelet electronique.
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 (ja) 1987-04-17 1987-04-17 電子腕時計

Publications (2)

Publication Number Publication Date
JPS5389776A true JPS5389776A (en) 1978-08-07
JPS6126034B2 JPS6126034B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Citations (3)

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

Patent Citations (3)

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

Also Published As

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

Similar Documents

Publication Publication Date Title
JPS53114467A (en) Electronic watch
JPS5345575A (en) Electronic wristwatch
JPS53136870A (en) Electronic watch
JPS53132382A (en) Electronic watch
JPS53132383A (en) Electronic watch circuit
JPS5386270A (en) Oscillation circuit for electronic timepiece
HK53381A (en) Electronic timepiece
JPS53132386A (en) Electronic watch
JPS5413378A (en) Electronic watch
JPS5421874A (en) Electronic wristwatch
JPS5389776A (en) Electronic wristwatch
JPS541665A (en) Ic for watches
JPS5421873A (en) Electronic watch
JPS5313951A (en) Watchcase
JPS5384769A (en) Electronic wristwatch
JPS5422864A (en) Motor drive circuit electronic watch
JPS52127056A (en) Counter
JPS5370873A (en) Electronic wristwatch
JPS5387769A (en) Electro-mechanical transducer drivig circuit for watach
JPS5374074A (en) Electronic wristwatch
JPS5394981A (en) Electronic wristwatch
JPS53139566A (en) Electronic watch
JPS5258962A (en) Electronic watch
JPS533153A (en) Oscillation circuit of electronic watch
JPS5345570A (en) Electronic wristwatch