FR1286407A - Maintenance device for electric watch balance - Google Patents

Maintenance device for electric watch balance

Info

Publication number
FR1286407A
FR1286407A FR858931A FR858931A FR1286407A FR 1286407 A FR1286407 A FR 1286407A FR 858931 A FR858931 A FR 858931A FR 858931 A FR858931 A FR 858931A FR 1286407 A FR1286407 A FR 1286407A
Authority
FR
France
Prior art keywords
maintenance device
electric watch
watch balance
balance
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
FR858931A
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.)
Compagnie des Montres Longines Francillon SA
Original Assignee
Compagnie des Montres Longines Francillon 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 Compagnie des Montres Longines Francillon SA filed Critical Compagnie des Montres Longines Francillon SA
Priority to FR858931A priority Critical patent/FR1286407A/en
Application granted granted Critical
Publication of FR1286407A publication Critical patent/FR1286407A/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
    • G04C3/063—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 contacts, the balance driving electro-magnet simultaneously driving the gear-train

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
FR858931A 1961-04-17 1961-04-17 Maintenance device for electric watch balance Expired FR1286407A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR858931A FR1286407A (en) 1961-04-17 1961-04-17 Maintenance device for electric watch balance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR858931A FR1286407A (en) 1961-04-17 1961-04-17 Maintenance device for electric watch balance

Publications (1)

Publication Number Publication Date
FR1286407A true FR1286407A (en) 1962-03-02

Family

ID=8753186

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858931A Expired FR1286407A (en) 1961-04-17 1961-04-17 Maintenance device for electric watch balance

Country Status (1)

Country Link
FR (1) FR1286407A (en)

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