FR839040A - Contact device combined with gear train drive device for direct-acting timepiece - Google Patents

Contact device combined with gear train drive device for direct-acting timepiece

Info

Publication number
FR839040A
FR839040A FR839040DA FR839040A FR 839040 A FR839040 A FR 839040A FR 839040D A FR839040D A FR 839040DA FR 839040 A FR839040 A FR 839040A
Authority
FR
France
Prior art keywords
timepiece
acting
direct
gear train
train drive
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
Other languages
French (fr)
Inventor
Henri Bueche Rosse
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 filed Critical
Application granted granted Critical
Publication of FR839040A publication Critical patent/FR839040A/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
    • G04C3/061—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 and mechanically driving the gear-train

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
FR839040D 1937-11-30 1937-11-30 Contact device combined with gear train drive device for direct-acting timepiece Expired FR839040A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR839040T 1937-11-30

Publications (1)

Publication Number Publication Date
FR839040A true FR839040A (en) 1939-03-22

Family

ID=9299341

Family Applications (1)

Application Number Title Priority Date Filing Date
FR839040D Expired FR839040A (en) 1937-11-30 1937-11-30 Contact device combined with gear train drive device for direct-acting timepiece

Country Status (1)

Country Link
FR (1) FR839040A (en)

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