FR68711E - Improvements to magneto-electric clocks and similar devices - Google Patents

Improvements to magneto-electric clocks and similar devices

Info

Publication number
FR68711E
FR68711E FR68711DA FR68711E FR 68711 E FR68711 E FR 68711E FR 68711D A FR68711D A FR 68711DA FR 68711 E FR68711 E FR 68711E
Authority
FR
France
Prior art keywords
magneto
similar devices
electric clocks
clocks
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
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.)
Leon Hatot SA
Original Assignee
Leon Hatot 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 Leon Hatot SA filed Critical Leon Hatot SA
Application granted granted Critical
Publication of FR68711E publication Critical patent/FR68711E/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C13/00—Driving mechanisms for clocks by master-clocks
    • G04C13/08—Slave-clocks actuated intermittently
    • G04C13/10—Slave-clocks actuated intermittently by electromechanical step advancing mechanisms
    • G04C13/11—Slave-clocks actuated intermittently by electromechanical step advancing mechanisms with rotating armature
    • 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
FR68711D 1955-07-13 1955-07-13 Improvements to magneto-electric clocks and similar devices Expired FR68711E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR68711T 1955-07-13

Publications (1)

Publication Number Publication Date
FR68711E true FR68711E (en) 1958-06-09

Family

ID=8700701

Family Applications (1)

Application Number Title Priority Date Filing Date
FR68711D Expired FR68711E (en) 1955-07-13 1955-07-13 Improvements to magneto-electric clocks and similar devices

Country Status (1)

Country Link
FR (1) FR68711E (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1263914B (en) * 1961-12-27 1968-03-21 Movado Montres Electric motor, in particular DC motor
DE2514802A1 (en) * 1974-04-04 1975-10-16 Suwa Seikosha Kk ELECTRO-MECHANICAL CONVERTER
EP0001334A1 (en) * 1977-09-07 1979-04-04 Kabushiki Kaisha Suwa Seikosha Transducer for an electronic timepiece

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1263914B (en) * 1961-12-27 1968-03-21 Movado Montres Electric motor, in particular DC motor
DE2514802A1 (en) * 1974-04-04 1975-10-16 Suwa Seikosha Kk ELECTRO-MECHANICAL CONVERTER
EP0001334A1 (en) * 1977-09-07 1979-04-04 Kabushiki Kaisha Suwa Seikosha Transducer for an electronic timepiece

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