JPH01292286A - 電子時計 - Google Patents

電子時計

Info

Publication number
JPH01292286A
JPH01292286A JP12258288A JP12258288A JPH01292286A JP H01292286 A JPH01292286 A JP H01292286A JP 12258288 A JP12258288 A JP 12258288A JP 12258288 A JP12258288 A JP 12258288A JP H01292286 A JPH01292286 A JP H01292286A
Authority
JP
Japan
Prior art keywords
control means
gear
electronic timepiece
viscous
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.)
Pending
Application number
JP12258288A
Other languages
English (en)
Japanese (ja)
Inventor
Osamu Miyazawa
修 宮澤
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
Original Assignee
Seiko Epson Corp
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 filed Critical Seiko Epson Corp
Priority to JP12258288A priority Critical patent/JPH01292286A/ja
Priority to US07/353,294 priority patent/US5197045A/en
Priority to DE1989603034 priority patent/DE68903034T2/de
Priority to EP19890109092 priority patent/EP0342705B1/fr
Publication of JPH01292286A publication Critical patent/JPH01292286A/ja
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/16Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating an electro-dynamic continuously rotating motor
    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/008Mounting, assembling of components

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
JP12258288A 1987-10-28 1988-05-19 電子時計 Pending JPH01292286A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP12258288A JPH01292286A (ja) 1988-05-19 1988-05-19 電子時計
US07/353,294 US5197045A (en) 1987-10-28 1989-05-17 Electronic watch
DE1989603034 DE68903034T2 (de) 1988-05-19 1989-05-19 Elektronische uhr.
EP19890109092 EP0342705B1 (fr) 1988-05-19 1989-05-19 Montre électronique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12258288A JPH01292286A (ja) 1988-05-19 1988-05-19 電子時計

Publications (1)

Publication Number Publication Date
JPH01292286A true JPH01292286A (ja) 1989-11-24

Family

ID=14839482

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12258288A Pending JPH01292286A (ja) 1987-10-28 1988-05-19 電子時計

Country Status (3)

Country Link
EP (1) EP0342705B1 (fr)
JP (1) JPH01292286A (fr)
DE (1) DE68903034T2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015166717A (ja) * 2014-03-04 2015-09-24 セイコーインスツル株式会社 時計表示機構、時計用ムーブメント及び時計

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2646946B2 (ja) * 1992-12-02 1997-08-27 セイコーエプソン株式会社 時 計

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE940722C (de) * 1943-09-25 1956-03-22 Siemens Ag Vorrichtung an den Antrieben fuer mit zeitlich gleichbleibender Geschwindigkeit umlaufende Zeitlaufwerke u. dgl.
GB890349A (en) * 1959-12-15 1962-02-28 Kenji Tokita Electric clock
US3978654A (en) * 1973-06-07 1976-09-07 Kabushiki Kaisha Suwa Seikosha Motion transformer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015166717A (ja) * 2014-03-04 2015-09-24 セイコーインスツル株式会社 時計表示機構、時計用ムーブメント及び時計

Also Published As

Publication number Publication date
DE68903034D1 (de) 1992-11-05
EP0342705A3 (en) 1990-05-23
DE68903034T2 (de) 1993-03-04
EP0342705A2 (fr) 1989-11-23
EP0342705B1 (fr) 1992-09-30

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