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FR549785A - Montre électrique - Google Patents

Montre électrique

Info

Publication number
FR549785A
FR549785A FR549785DA FR549785A FR 549785 A FR549785 A FR 549785A FR 549785D A FR549785D A FR 549785DA FR 549785 A FR549785 A FR 549785A
Authority
FR
France
Prior art keywords
electric watch
watch
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
English (en)
Inventor
Francois De Roumefort
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 FR549785A publication Critical patent/FR549785A/fr
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)
FR549785D 1922-04-06 1922-04-06 Montre électrique Expired FR549785A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR549785T 1922-04-06

Publications (1)

Publication Number Publication Date
FR549785A true FR549785A (fr) 1923-02-19

Family

ID=8935731

Family Applications (1)

Application Number Title Priority Date Filing Date
FR549785D Expired FR549785A (fr) 1922-04-06 1922-04-06 Montre électrique

Country Status (1)

Country Link
FR (1) FR549785A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1037973B (de) * 1956-07-27 1958-08-28 Bulova Watch Co Inc Elektrische Uhr. vorzugsweise Kleinuhr, insbesondere Armbanduhr
DE1058942B (de) * 1957-05-24 1959-06-04 Kieninger & Obergfell Tragbare elektrische Uhr
DE972314C (de) * 1955-06-03 1959-07-02 Durowe Deutsche Uhren Rohwerke Elektrische Uhr
US3063234A (en) * 1957-02-26 1962-11-13 Hamilton Watch Co Electric timepiece contact bridge

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE972314C (de) * 1955-06-03 1959-07-02 Durowe Deutsche Uhren Rohwerke Elektrische Uhr
DE1037973B (de) * 1956-07-27 1958-08-28 Bulova Watch Co Inc Elektrische Uhr. vorzugsweise Kleinuhr, insbesondere Armbanduhr
US3063234A (en) * 1957-02-26 1962-11-13 Hamilton Watch Co Electric timepiece contact bridge
DE1058942B (de) * 1957-05-24 1959-06-04 Kieninger & Obergfell Tragbare elektrische Uhr

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