FR659433A - Pendule électrique perfectionnée - Google Patents

Pendule électrique perfectionnée

Info

Publication number
FR659433A
FR659433A FR659433DA FR659433A FR 659433 A FR659433 A FR 659433A FR 659433D A FR659433D A FR 659433DA FR 659433 A FR659433 A FR 659433A
Authority
FR
France
Prior art keywords
advanced electric
electric pendulum
pendulum
advanced
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
Maurice Helpman
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 FR659433A publication Critical patent/FR659433A/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)
FR659433D 1928-08-23 1928-08-23 Pendule électrique perfectionnée Expired FR659433A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR659433T 1928-08-23

Publications (1)

Publication Number Publication Date
FR659433A true FR659433A (fr) 1929-06-28

Family

ID=9009663

Family Applications (1)

Application Number Title Priority Date Filing Date
FR659433D Expired FR659433A (fr) 1928-08-23 1928-08-23 Pendule électrique perfectionnée

Country Status (1)

Country Link
FR (1) FR659433A (fr)

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