FR2132851A1 - - Google Patents

Info

Publication number
FR2132851A1
FR2132851A1 FR7212617A FR7212617A FR2132851A1 FR 2132851 A1 FR2132851 A1 FR 2132851A1 FR 7212617 A FR7212617 A FR 7212617A FR 7212617 A FR7212617 A FR 7212617A FR 2132851 A1 FR2132851 A1 FR 2132851A1
Authority
FR
France
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
FR7212617A
Other versions
FR2132851B1 (fr
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 Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Instruments Inc filed Critical Seiko Instruments Inc
Publication of FR2132851A1 publication Critical patent/FR2132851A1/fr
Application granted granted Critical
Publication of FR2132851B1 publication Critical patent/FR2132851B1/fr
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
    • G04C3/04—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 balance
    • G04C3/06—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 balance using electromagnetic coupling between electric power source and balance
    • G04C3/065—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 balance using electromagnetic coupling between electric power source and balance the balance controlling gear-train by means of static switches, e.g. transistor circuits
    • G04C3/067—Driving circuits with distinct detecting and driving coils
    • 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
    • G04C3/04—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 balance
    • G04C3/06—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 balance using electromagnetic coupling between electric power source and balance
    • G04C3/065—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 balance using electromagnetic coupling between electric power source and balance the balance controlling gear-train by means of static switches, e.g. transistor circuits
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromechanical Clocks (AREA)
FR7212617A 1971-04-12 1972-04-11 Expired FR2132851B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2693071U JPS4725077U (fr) 1971-04-12 1971-04-12

Publications (2)

Publication Number Publication Date
FR2132851A1 true FR2132851A1 (fr) 1972-11-24
FR2132851B1 FR2132851B1 (fr) 1975-03-21

Family

ID=12206867

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7212617A Expired FR2132851B1 (fr) 1971-04-12 1972-04-11

Country Status (4)

Country Link
JP (1) JPS4725077U (fr)
DE (1) DE2217387A1 (fr)
FR (1) FR2132851B1 (fr)
GB (1) GB1345302A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3944027A1 (fr) * 2020-07-21 2022-01-26 The Swatch Group Research and Development Ltd Objet portable, notamment montre bracelet, comprenant un dispositif d'alimentation muni d'un convertisseur electromecanique

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1286393A (fr) * 1960-04-28 1962-03-02 Suisse Horlogerie Dispositif d'entretien électromagnétique du mouvement oscillant de l'organe régulateur d'une pièce d'horlogerie
FR1364753A (fr) * 1963-05-16 1964-06-26 Bulova Watch Co Inc Mouvement d'horlogerie électromagnétique
CH481412A (de) * 1966-09-26 1969-07-31 Straumann Inst Ag Schwinger für Zeitmessgeräte

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1286393A (fr) * 1960-04-28 1962-03-02 Suisse Horlogerie Dispositif d'entretien électromagnétique du mouvement oscillant de l'organe régulateur d'une pièce d'horlogerie
FR1364753A (fr) * 1963-05-16 1964-06-26 Bulova Watch Co Inc Mouvement d'horlogerie électromagnétique
CH481412A (de) * 1966-09-26 1969-07-31 Straumann Inst Ag Schwinger für Zeitmessgeräte

Also Published As

Publication number Publication date
DE2217387A1 (de) 1972-10-19
FR2132851B1 (fr) 1975-03-21
JPS4725077U (fr) 1972-11-21
GB1345302A (en) 1974-01-30

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Legal Events

Date Code Title Description
ST Notification of lapse