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FR1009776A - Improvements to electric watches with direct maintenance - Google Patents

Improvements to electric watches with direct maintenance

Info

Publication number
FR1009776A
FR1009776A FR1009776DA FR1009776A FR 1009776 A FR1009776 A FR 1009776A FR 1009776D A FR1009776D A FR 1009776DA FR 1009776 A FR1009776 A FR 1009776A
Authority
FR
France
Prior art keywords
direct maintenance
electric watches
watches
electric
maintenance
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
Simon-Serge Held
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.)
ED Jaeger SA
Original Assignee
ED Jaeger 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 ED Jaeger SA filed Critical ED Jaeger SA
Application granted granted Critical
Publication of FR1009776A publication Critical patent/FR1009776A/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)
FR1009776D 1948-06-24 1948-06-24 Improvements to electric watches with direct maintenance Expired FR1009776A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1009776T 1948-06-24

Publications (1)

Publication Number Publication Date
FR1009776A true FR1009776A (en) 1952-06-03

Family

ID=9568444

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1009776D Expired FR1009776A (en) 1948-06-24 1948-06-24 Improvements to electric watches with direct maintenance

Country Status (1)

Country Link
FR (1) FR1009776A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2948104A (en) * 1955-06-06 1960-08-09 Held Serge Simon Electrically driven clockwork

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2948104A (en) * 1955-06-06 1960-08-09 Held Serge Simon Electrically driven clockwork

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