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
  • 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
• • G—PHYSICS
  • G04—HOROLOGY
  • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
  • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
  • G04D7/08—Measuring, counting, calibrating, testing or regulating apparatus for balance wheels
  • G04D7/082—Measuring, counting, calibrating, testing or regulating apparatus for balance wheels for balancing
  • G04D7/085—Measuring, counting, calibrating, testing or regulating apparatus for balance wheels for balancing by removing material from the balance wheel itself

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Electromagnetism (AREA)
• Power Engineering (AREA)
• Testing Of Balance (AREA)
• Manufacture Of Motors, Generators (AREA)

Applications Claiming Priority (1)

Publications (2)

Family

ID=22354297

Family Applications (1)

Country Status (10)

Families Citing this family (1)

• 1972
  • 1972-01-28 AU AU38455/72A patent/AU460863B2/en not_active Expired
  • 1972-01-31 CA CA133,530A patent/CA976371A/en not_active Expired
  • 1972-02-03 GB GB518572A patent/GB1360546A/en not_active Expired
  • 1972-02-04 DE DE19722205408 patent/DE2205408B2/de active Granted
  • 1972-02-08 BE BE779082A patent/BE779082A/xx not_active IP Right Cessation
  • 1972-02-08 NL NL7201644A patent/NL7201644A/xx unknown
  • 1972-02-09 CH CH182472A patent/CH551034A/xx unknown
  • 1972-02-10 JP JP1403672A patent/JPS5320860B1/ja active Pending
  • 1972-02-10 IT IT4824872A patent/IT948499B/it active
  • 1972-02-10 FR FR7204545A patent/FR2124622B1/fr not_active Expired

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