CH481860A4 - - Google Patents

Info

Publication number
CH481860A4
CH481860A4 CH481860D CH481860D CH481860A4 CH 481860 A4 CH481860 A4 CH 481860A4 CH 481860 D CH481860 D CH 481860D CH 481860 D CH481860 D CH 481860D CH 481860 A4 CH481860 A4 CH 481860A4
Authority
CH
Switzerland
Application number
CH481860D
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
Publication of CH481860A4 publication Critical patent/CH481860A4/xx

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/04Electromechanical 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
    • G04C3/06Electromechanical 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
    • G04C3/065Electromechanical 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
    • G04C3/069Driving circuits using a single coil for detection and driving purposes

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CH481860D 1960-04-28 1960-04-28 CH481860A4 (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH481860A CH382664A (fr) 1960-04-28 1960-04-28 Dispositif d'entretien électromagnétique du mouvement oscillant de l'organe régulateur d'une pièce d'horlogerie

Publications (1)

Publication Number Publication Date
CH481860A4 true CH481860A4 (en:Method) 1964-06-15

Family

ID=4283067

Family Applications (2)

Application Number Title Priority Date Filing Date
CH481860A CH382664A (fr) 1960-04-28 1960-04-28 Dispositif d'entretien électromagnétique du mouvement oscillant de l'organe régulateur d'une pièce d'horlogerie
CH481860D CH481860A4 (en:Method) 1960-04-28 1960-04-28

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH481860A CH382664A (fr) 1960-04-28 1960-04-28 Dispositif d'entretien électromagnétique du mouvement oscillant de l'organe régulateur d'une pièce d'horlogerie

Country Status (4)

Country Link
BE (1) BE602734A (en:Method)
CH (2) CH382664A (en:Method)
FR (1) FR1286393A (en:Method)
GB (1) GB921948A (en:Method)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1104071A (en) * 1963-10-17 1968-02-21 Smiths Industries Ltd Improvements in or relating to horological instruments
US3407344A (en) * 1964-09-26 1968-10-22 Shigeru Kakubari Electronic timekeeper
DE1274999B (de) * 1964-10-15 1968-08-08 Siemens Elektrogeraete Gmbh Kontaktlos gesteuerte elektrische Uhr mit Selbstanlauf
DE1244069B (de) * 1965-01-02 1967-07-06 United States Time Corp Antriebsschaltung fuer zeithaltende Geraete
GB1144903A (en) * 1965-07-22 1969-03-12 Smiths Industries Ltd Improvements in or relating to horological instruments
US3509437A (en) * 1966-09-08 1970-04-28 Citizen Watch Co Ltd Timepiece drive
US3539888A (en) * 1968-07-24 1970-11-10 Aeroprojects Inc Automatic frequency control circuit for use with ultrasonic systems
DE2009612B2 (de) * 1970-03-02 1972-06-29 Forschungsgesellschaft für Uhren- und Feingeräte-Technik, 7000 Stuttgart Schwingungssystem mit elektronischer steuerung fuer uhren
JPS4725077U (en:Method) * 1971-04-12 1972-11-21

Also Published As

Publication number Publication date
DE1448348A1 (de) 1969-06-12
FR1286393A (fr) 1962-03-02
DE1448348B2 (de) 1970-08-13
CH382664A (fr) 1964-06-15
GB921948A (en) 1963-03-27
BE602734A (fr) 1961-08-16

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