FR664158A - Electric timepiece - Google Patents

Electric timepiece

Info

Publication number
FR664158A
FR664158A FR664158DA FR664158A FR 664158 A FR664158 A FR 664158A FR 664158D A FR664158D A FR 664158DA FR 664158 A FR664158 A FR 664158A
Authority
FR
France
Prior art keywords
electric timepiece
timepiece
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
Other languages
French (fr)
Inventor
Fritz Marti
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 FR664158A publication Critical patent/FR664158A/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)
FR664158D 1927-11-23 1928-11-19 Electric timepiece Expired FR664158A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH664158X 1927-11-23

Publications (1)

Publication Number Publication Date
FR664158A true FR664158A (en) 1929-08-30

Family

ID=4527144

Family Applications (1)

Application Number Title Priority Date Filing Date
FR664158D Expired FR664158A (en) 1927-11-23 1928-11-19 Electric timepiece

Country Status (1)

Country Link
FR (1) FR664158A (en)

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