GB1287644A - Electric timepiece - Google Patents

Electric timepiece

Info

Publication number
GB1287644A
GB1287644A GB8616/70A GB861670A GB1287644A GB 1287644 A GB1287644 A GB 1287644A GB 8616/70 A GB8616/70 A GB 8616/70A GB 861670 A GB861670 A GB 861670A GB 1287644 A GB1287644 A GB 1287644A
Authority
GB
United Kingdom
Prior art keywords
electric timepiece
timepiece
electric
ebauches
watches
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
Application number
GB8616/70A
Other languages
English (en)
Inventor
Remy Chopard
Rene Besson
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.)
Ebauches SA
Original Assignee
Ebauches SA
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 Ebauches SA filed Critical Ebauches SA
Publication of GB1287644A publication Critical patent/GB1287644A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • G04C3/10—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means
    • G04C3/101—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means constructional details
    • G04C3/107—Controlling frequency or amplitude of the oscillating system
    • 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
    • G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • G04C3/10—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means
    • G04C3/101—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means constructional details

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Shutters For Cameras (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
  • Electromechanical Clocks (AREA)
GB8616/70A 1969-03-17 1970-02-23 Electric timepiece Expired GB1287644A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH392669A CH508909A (fr) 1969-03-17 1969-03-17 Pièce d'horlogerie électrique

Publications (1)

Publication Number Publication Date
GB1287644A true GB1287644A (en) 1972-09-06

Family

ID=4266455

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8616/70A Expired GB1287644A (en) 1969-03-17 1970-02-23 Electric timepiece

Country Status (4)

Country Link
US (1) US3628324A (fr)
CH (2) CH508909A (fr)
FR (1) FR2035017B1 (fr)
GB (1) GB1287644A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH524167A (fr) * 1970-09-29 1972-02-29 Centre Electron Horloger Pièce d'horlogerie électrique à résonateur de torsion
US3736740A (en) * 1971-10-22 1973-06-05 Novox Inc Electromagnetic timing mechanism
US4087957A (en) * 1975-12-25 1978-05-09 Citizen Watch Company Limited Movement construction for small size analog quartz timepiece
DE2632303C3 (de) * 1976-07-17 1982-09-16 Gebrüder Junghans GmbH, 7230 Schramberg Batteriebetriebene elektronische Uhr
EP3309628B1 (fr) 2016-10-11 2020-02-05 ETA SA Manufacture Horlogère Suisse Montre comportant un dispositif de bridage magnétique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1528337A (fr) * 1966-07-27 1968-06-07 Centre Electron Horloger Pièces d'horlogerie électronique
CH1086066A4 (fr) * 1966-07-27 1970-12-31

Also Published As

Publication number Publication date
DE2012886B2 (de) 1972-07-20
FR2035017B1 (fr) 1973-07-13
CH392669A4 (fr) 1971-02-26
US3628324A (en) 1971-12-21
CH508909A (fr) 1971-02-26
DE2012886A1 (de) 1971-01-14
FR2035017A1 (fr) 1970-12-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees