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FR748565A - Electrically serviced circular balance clockwork movement - Google Patents

Electrically serviced circular balance clockwork movement

Info

Publication number
FR748565A
FR748565A FR748565DA FR748565A FR 748565 A FR748565 A FR 748565A FR 748565D A FR748565D A FR 748565DA FR 748565 A FR748565 A FR 748565A
Authority
FR
France
Prior art keywords
clockwork movement
circular balance
serviced
electrically
electrically serviced
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
Jean Hubert
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 FR748565A publication Critical patent/FR748565A/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)
FR748565D 1932-01-07 1933-01-06 Electrically serviced circular balance clockwork movement Expired FR748565A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE748565X 1932-01-07

Publications (1)

Publication Number Publication Date
FR748565A true FR748565A (en) 1933-07-06

Family

ID=3879552

Family Applications (1)

Application Number Title Priority Date Filing Date
FR748565D Expired FR748565A (en) 1932-01-07 1933-01-06 Electrically serviced circular balance clockwork movement

Country Status (1)

Country Link
FR (1) FR748565A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2757555A (en) * 1953-08-04 1956-08-07 Elgin Nat Watch Co Pawl and ratchet mechanism
US3060676A (en) * 1959-01-09 1962-10-30 Hamilton Watch Co Contact system for electric watches

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2757555A (en) * 1953-08-04 1956-08-07 Elgin Nat Watch Co Pawl and ratchet mechanism
US3060676A (en) * 1959-01-09 1962-10-30 Hamilton Watch Co Contact system for electric watches

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