FR981903A - Device for the electrical maintenance of a pendulum and its application to watch movements - Google Patents

Device for the electrical maintenance of a pendulum and its application to watch movements

Info

Publication number
FR981903A
FR981903A FR981903DA FR981903A FR 981903 A FR981903 A FR 981903A FR 981903D A FR981903D A FR 981903DA FR 981903 A FR981903 A FR 981903A
Authority
FR
France
Prior art keywords
pendulum
application
watch movements
electrical maintenance
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)
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.)
ATELIERS BRILLIE FRERES SA
Original Assignee
ATELIERS BRILLIE FRERES 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 ATELIERS BRILLIE FRERES SA filed Critical ATELIERS BRILLIE FRERES SA
Application granted granted Critical
Publication of FR981903A publication Critical patent/FR981903A/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
    • G04C3/02—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 pendulum
    • G04C3/021—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 pendulum using mechanical coupling

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR981903D 1943-05-10 1943-05-10 Device for the electrical maintenance of a pendulum and its application to watch movements Expired FR981903A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR981903T 1943-05-10

Publications (1)

Publication Number Publication Date
FR981903A true FR981903A (en) 1951-06-01

Family

ID=9534934

Family Applications (1)

Application Number Title Priority Date Filing Date
FR981903D Expired FR981903A (en) 1943-05-10 1943-05-10 Device for the electrical maintenance of a pendulum and its application to watch movements

Country Status (1)

Country Link
FR (1) FR981903A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2662365A (en) * 1951-10-13 1953-12-15 Stewart Warner Corp Hour meter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2662365A (en) * 1951-10-13 1953-12-15 Stewart Warner Corp Hour meter

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