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

    • 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

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 (fr)

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 (fr) 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 (fr) 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 (fr)
CH (2) CH382664A (fr)
FR (1) FR1286393A (fr)
GB (1) GB921948A (fr)

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 (fr) * 1971-04-12 1972-11-21

Also Published As

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

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