FR1280608A - Electric propulsion device for clocks and watches - Google Patents

Electric propulsion device for clocks and watches

Info

Publication number
FR1280608A
FR1280608A FR839734A FR839734A FR1280608A FR 1280608 A FR1280608 A FR 1280608A FR 839734 A FR839734 A FR 839734A FR 839734 A FR839734 A FR 839734A FR 1280608 A FR1280608 A FR 1280608A
Authority
FR
France
Prior art keywords
watches
clocks
propulsion device
electric propulsion
electric
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
FR839734A
Other languages
French (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.)
CHRONOTECHNA
Original Assignee
CHRONOTECHNA
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 CHRONOTECHNA filed Critical CHRONOTECHNA
Priority to FR839734A priority Critical patent/FR1280608A/en
Application granted granted Critical
Publication of FR1280608A publication Critical patent/FR1280608A/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
    • G04C3/04—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
    • G04C3/02—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 pendulum
    • G04C3/027—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 pendulum using electromagnetic coupling between electric power source and pendulum
    • G04C3/0278—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 pendulum using electromagnetic coupling between electric power source and pendulum the pendulum controlling the gear-train by means of static switches, e.g. transistor circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
FR839734A 1960-09-28 1960-09-28 Electric propulsion device for clocks and watches Expired FR1280608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR839734A FR1280608A (en) 1960-09-28 1960-09-28 Electric propulsion device for clocks and watches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR839734A FR1280608A (en) 1960-09-28 1960-09-28 Electric propulsion device for clocks and watches

Publications (1)

Publication Number Publication Date
FR1280608A true FR1280608A (en) 1962-01-08

Family

ID=8739776

Family Applications (1)

Application Number Title Priority Date Filing Date
FR839734A Expired FR1280608A (en) 1960-09-28 1960-09-28 Electric propulsion device for clocks and watches

Country Status (1)

Country Link
FR (1) FR1280608A (en)

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