FR2001412A7 - - Google Patents

Info

Publication number
FR2001412A7
FR2001412A7 FR6902658A FR6902658A FR2001412A7 FR 2001412 A7 FR2001412 A7 FR 2001412A7 FR 6902658 A FR6902658 A FR 6902658A FR 6902658 A FR6902658 A FR 6902658A FR 2001412 A7 FR2001412 A7 FR 2001412A7
Authority
FR
France
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
FR6902658A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR2001412A7 publication Critical patent/FR2001412A7/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
    • G04C3/04—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 balance
    • G04C3/06—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 balance using electromagnetic coupling between electric power source and balance
    • G04C3/065—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 balance using electromagnetic coupling between electric power source and balance the balance controlling gear-train by means of static switches, e.g. transistor circuits
    • G04C3/067—Driving circuits with distinct detecting and driving coils
    • 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
    • G04C3/04—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 balance
    • G04C3/06—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 balance using electromagnetic coupling between electric power source and balance
    • G04C3/065—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 balance using electromagnetic coupling between electric power source and balance the balance controlling gear-train by means of static switches, e.g. transistor circuits
    • G04C3/069—Driving circuits using a single coil for detection and driving purposes
FR6902658A 1968-02-06 1969-02-06 Expired FR2001412A7 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH190368A CH491426A (en) 1968-02-06 1968-02-06 Electronic-magnetic drive device for clocks

Publications (1)

Publication Number Publication Date
FR2001412A7 true FR2001412A7 (en) 1969-09-26

Family

ID=4221280

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6902658A Expired FR2001412A7 (en) 1968-02-06 1969-02-06

Country Status (5)

Country Link
US (1) US3596461A (en)
CH (2) CH190368A4 (en)
DE (1) DE1904889A1 (en)
FR (1) FR2001412A7 (en)
GB (1) GB1262744A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2009612B2 (en) * 1970-03-02 1972-06-29 Forschungsgesellschaft für Uhren- und Feingeräte-Technik, 7000 Stuttgart VIBRATION SYSTEM WITH ELECTRONIC CONTROL FOR WATCHES
FR2099714B1 (en) * 1970-07-31 1975-02-07 Suwa Seikosha Kk
GB1347661A (en) * 1971-02-10 1974-02-27 Suwa Seikosha Kk Timepiece
GB1364014A (en) * 1971-02-12 1974-08-21 Suwa Seikosha Kk Timepiece

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1241370B (en) * 1964-10-10 1967-05-24 Siemens Elektrogeraete Gmbh Contactless controlled electric clock

Also Published As

Publication number Publication date
DE1904889A1 (en) 1969-09-11
CH190368A4 (en) 1970-02-13
US3596461A (en) 1971-08-03
CH491426A (en) 1970-02-13
GB1262744A (en) 1972-02-02

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Legal Events

Date Code Title Description
ST Notification of lapse