FR1073427A - Development of self-sustaining pendulum clocks - Google Patents

Development of self-sustaining pendulum clocks

Info

Publication number
FR1073427A
FR1073427A FR1073427DA FR1073427A FR 1073427 A FR1073427 A FR 1073427A FR 1073427D A FR1073427D A FR 1073427DA FR 1073427 A FR1073427 A FR 1073427A
Authority
FR
France
Prior art keywords
sustaining
self
development
pendulum clocks
pendulum
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
Eugene Outrebon
Paul Grumbach
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.)
MANUF HORLOGERIE BETHUNE
Original Assignee
MANUF HORLOGERIE BETHUNE
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 MANUF HORLOGERIE BETHUNE filed Critical MANUF HORLOGERIE BETHUNE
Application granted granted Critical
Publication of FR1073427A publication Critical patent/FR1073427A/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
    • G04C3/027—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
    • G04C3/0278—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 the pendulum controlling the gear-train by means of static switches, e.g. transistor circuits
    • 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)
FR1073427D 1952-12-15 1952-12-15 Development of self-sustaining pendulum clocks Expired FR1073427A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1073427T 1952-12-15

Publications (1)

Publication Number Publication Date
FR1073427A true FR1073427A (en) 1954-09-24

Family

ID=9606123

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1073427D Expired FR1073427A (en) 1952-12-15 1952-12-15 Development of self-sustaining pendulum clocks

Country Status (1)

Country Link
FR (1) FR1073427A (en)

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