FR772885A - Contact device for electric timepieces - Google Patents

Contact device for electric timepieces

Info

Publication number
FR772885A
FR772885A FR772885DA FR772885A FR 772885 A FR772885 A FR 772885A FR 772885D A FR772885D A FR 772885DA FR 772885 A FR772885 A FR 772885A
Authority
FR
France
Prior art keywords
contact device
electric timepieces
timepieces
electric
contact
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
Andre Strahm
Ernest Boss
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 FR772885A publication Critical patent/FR772885A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
FR772885D 1933-05-04 1934-05-04 Contact device for electric timepieces Expired FR772885A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH772885X 1933-05-04

Publications (1)

Publication Number Publication Date
FR772885A true FR772885A (en) 1934-11-07

Family

ID=4535555

Family Applications (1)

Application Number Title Priority Date Filing Date
FR772885D Expired FR772885A (en) 1933-05-04 1934-05-04 Contact device for electric timepieces

Country Status (1)

Country Link
FR (1) FR772885A (en)

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