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
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
  • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
  • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator

Landscapes

• Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Electromagnetism (AREA)
• Power Engineering (AREA)
• General Physics & Mathematics (AREA)
• Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
• Apparatuses For Generation Of Mechanical Vibrations (AREA)
• Dc-Dc Converters (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4316307

Family Applications (2)

Family Applications Before (1)

Country Status (4)

• 1970
  • 1970-05-08 CH CH686970A patent/CH528774A/fr not_active IP Right Cessation
  • 1970-05-08 CH CH686970D patent/CH686970A4/xx unknown
• 1971
  • 1971-04-28 GB GB1185371A patent/GB1306209A/en not_active Expired
  • 1971-05-06 FR FR7117269A patent/FR2091540A5/fr not_active Expired
  • 1971-05-07 JP JP46030346A patent/JPS4930472B1/ja active Pending

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