CA1311364C - Chronometre electronique - Google Patents

Chronometre electronique

Info

Publication number
CA1311364C
CA1311364C CA000565187A CA565187A CA1311364C CA 1311364 C CA1311364 C CA 1311364C CA 000565187 A CA000565187 A CA 000565187A CA 565187 A CA565187 A CA 565187A CA 1311364 C CA1311364 C CA 1311364C
Authority
CA
Canada
Prior art keywords
hairspring
energy
gear
rotor
timepiece
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.)
Expired - Fee Related
Application number
CA000565187A
Other languages
English (en)
Inventor
Osamu Miyazawa
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
Application granted granted Critical
Publication of CA1311364C publication Critical patent/CA1311364C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G15/00—Time-pieces comprising means to be operated at preselected times or after preselected time intervals
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/008—Mounting, assembling of components

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromechanical Clocks (AREA)
CA000565187A 1987-06-03 1988-04-27 Chronometre electronique Expired - Fee Related CA1311364C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP139281/19 1987-06-03
JP13928187 1987-06-03
JP16817987 1987-07-06
JP168179/19 1987-07-06

Publications (1)

Publication Number Publication Date
CA1311364C true CA1311364C (fr) 1992-12-15

Family

ID=26472135

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000565187A Expired - Fee Related CA1311364C (fr) 1987-06-03 1988-04-27 Chronometre electronique

Country Status (6)

Country Link
KR (1) KR910008674B1 (fr)
CN (1) CN1014554B (fr)
CA (1) CA1311364C (fr)
DE (1) DE3812172A1 (fr)
FR (1) FR2616238B1 (fr)
MY (1) MY103163A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197969B (en) * 1986-10-28 1990-05-16 Seiko Epson Corp Energy storing apparatus, e.g. for use in a timepiece
EP2735922A1 (fr) 2012-11-23 2014-05-28 ETA SA Manufacture Horlogère Suisse Mécanisme d'entraînement d'aiguilles d'une montre électro-mécanique, muni d'un dispositif de verrouillage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB989229A (fr) * 1900-01-01
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
JPS5647512B2 (fr) * 1973-11-30 1981-11-10

Also Published As

Publication number Publication date
DE3812172C2 (fr) 1991-09-05
CN88102603A (zh) 1988-12-14
MY103163A (en) 1993-04-30
KR910008674B1 (ko) 1991-10-19
DE3812172A1 (de) 1988-12-22
CN1014554B (zh) 1991-10-30
FR2616238B1 (fr) 1991-04-12
FR2616238A1 (fr) 1988-12-09
KR890000939A (ko) 1989-03-17

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Legal Events

Date Code Title Description
MKLA Lapsed