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
  • G04C3/068—Driving circuits with distinct detecting and driving coils provided with automatic control
• • 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
  • G04C3/08—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 mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
  • G04C3/10—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 mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means
  • G04C3/108—Driving circuits

Landscapes

• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• General Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
• Electric Clocks (AREA)
• Dc-Dc Converters (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4365495

Family Applications (1)

Country Status (4)

Families Citing this family (2)

Family Cites Families (1)

• 1966
  • 1966-07-22 CH CH1066066D patent/CH1066066A4/de unknown
• 1967
  • 1967-07-13 DE DE19671673723 patent/DE1673723B2/de active Pending
  • 1967-07-13 US US653122A patent/US3457524A/en not_active Expired - Lifetime
  • 1967-07-14 GB GB32425/67A patent/GB1130672A/en not_active Expired

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