JPS5384782A - Electronic wristwatch - Google Patents

Electronic wristwatch

Info

Publication number
JPS5384782A
JPS5384782A JP16048976A JP16048976A JPS5384782A JP S5384782 A JPS5384782 A JP S5384782A JP 16048976 A JP16048976 A JP 16048976A JP 16048976 A JP16048976 A JP 16048976A JP S5384782 A JPS5384782 A JP S5384782A
Authority
JP
Japan
Prior art keywords
electronic wristwatch
coil
pulse
circuiting
rotor
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
JP16048976A
Other languages
Japanese (ja)
Other versions
JPS6110787B2 (en
Inventor
Hiroshi Ishii
Minoru Hosokawa
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 JP16048976A priority Critical patent/JPS5384782A/en
Publication of JPS5384782A publication Critical patent/JPS5384782A/en
Publication of JPS6110787B2 publication Critical patent/JPS6110787B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE:To make operation stable and positive by short-circuiting both ends of a drive coil for a fixed time immediate before the rotor of a pulse motor completes one step turn, thereafter keeping both ends of the coil open before the next drive pulse is applied.
JP16048976A 1976-12-29 1976-12-29 Electronic wristwatch Granted JPS5384782A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16048976A JPS5384782A (en) 1976-12-29 1976-12-29 Electronic wristwatch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16048976A JPS5384782A (en) 1976-12-29 1976-12-29 Electronic wristwatch

Publications (2)

Publication Number Publication Date
JPS5384782A true JPS5384782A (en) 1978-07-26
JPS6110787B2 JPS6110787B2 (en) 1986-03-31

Family

ID=15716032

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16048976A Granted JPS5384782A (en) 1976-12-29 1976-12-29 Electronic wristwatch

Country Status (1)

Country Link
JP (1) JPS5384782A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011117974A (en) * 2011-02-25 2011-06-16 Citizen Holdings Co Ltd Analog electronic timepiece
JP2017058381A (en) * 2016-12-27 2017-03-23 シチズン時計株式会社 Electronic clock
JP2021032885A (en) * 2019-08-15 2021-03-01 ウーテーアー・エス・アー・マニファクチュール・オロロジェール・スイス Electromechanical watch

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0438855Y2 (en) * 1986-03-03 1992-09-10
JPS6332579U (en) * 1986-08-15 1988-03-02
JPH0440689Y2 (en) * 1986-08-15 1992-09-24

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011117974A (en) * 2011-02-25 2011-06-16 Citizen Holdings Co Ltd Analog electronic timepiece
JP2017058381A (en) * 2016-12-27 2017-03-23 シチズン時計株式会社 Electronic clock
JP2021032885A (en) * 2019-08-15 2021-03-01 ウーテーアー・エス・アー・マニファクチュール・オロロジェール・スイス Electromechanical watch

Also Published As

Publication number Publication date
JPS6110787B2 (en) 1986-03-31

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