Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
  • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
  • H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers
• • 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
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• General Physics & Mathematics (AREA)
• Dc-Dc Converters (AREA)
• Electric Clocks (AREA)
• Electromechanical Clocks (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=5775058

Family Applications (2)

Family Applications After (1)

Country Status (6)

Families Citing this family (1)

• 1970
  • 1970-06-26 DE DE2031671A patent/DE2031671C2/de not_active Expired
• 1971
  • 1971-05-06 NL NL7106255A patent/NL7106255A/xx unknown
  • 1971-05-26 FR FR7119037A patent/FR2095650A5/fr not_active Expired
  • 1971-06-08 GB GB1936171*[A patent/GB1319891A/en not_active Expired
  • 1971-06-15 CH CH873571A patent/CH538726A/de unknown
  • 1971-06-15 CH CH873571D patent/CH873571A4/xx unknown
  • 1971-06-25 US US00156869A patent/US3742386A/en not_active Expired - Lifetime

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