FR707375A - Perfectionnements aux horloges électro-magnétiques - Google Patents

Perfectionnements aux horloges électro-magnétiques

Info

Publication number
FR707375A
FR707375A FR707375DA FR707375A FR 707375 A FR707375 A FR 707375A FR 707375D A FR707375D A FR 707375DA FR 707375 A FR707375 A FR 707375A
Authority
FR
France
Prior art keywords
electro
clocks
magnetic
magnetic clocks
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
Arthur Quebatte
Ali Perret
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 FR707375A publication Critical patent/FR707375A/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
    • G04C3/02—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
    • G04C3/027—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 electromagnetic coupling between electric power source and pendulum

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
FR707375D 1930-12-11 1930-12-11 Perfectionnements aux horloges électro-magnétiques Expired FR707375A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR707375T 1930-12-11

Publications (1)

Publication Number Publication Date
FR707375A true FR707375A (fr) 1931-07-07

Family

ID=9068299

Family Applications (1)

Application Number Title Priority Date Filing Date
FR707375D Expired FR707375A (fr) 1930-12-11 1930-12-11 Perfectionnements aux horloges électro-magnétiques

Country Status (1)

Country Link
FR (1) FR707375A (fr)

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