Classifications

• • G—PHYSICS
  • G04—HOROLOGY
  • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
  • G04B17/00—Mechanisms for stabilising frequency
  • G04B17/04—Oscillators acting by spring tension
  • G04B17/06—Oscillators with hairsprings, e.g. balance
  • G04B17/063—Balance construction
• • G—PHYSICS
  • G04—HOROLOGY
  • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
  • G04B27/00—Mechanical devices for setting the time indicating means
  • G04B27/004—Mechanical devices for setting the time indicating means having several simultaneous functions, e.g. stopping or starting the clockwork or the hands
• • 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
• • 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
  • G04C3/066—Constructional details, e.g. disposition of coils

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Electromagnetism (AREA)
• Power Engineering (AREA)
• Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
• Transmission Devices (AREA)
• Electromechanical Clocks (AREA)
• Measurement Of Unknown Time Intervals (AREA)

Priority Applications (3)

Applications Claiming Priority (1)

Publications (1)

Family

ID=9040103

Family Applications (1)

Country Status (2)

Cited By (2)

Families Citing this family (2)

Citations (1)

• 1969
  • 1969-09-15 FR FR6931379A patent/FR2063101A1/fr not_active Withdrawn
• 1970
  • 1970-09-15 DE DE2065852*A patent/DE2065852A1/en active Pending
  • 1970-09-15 DE DE2045627A patent/DE2045627C3/en not_active Expired

Patent Citations (1)

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