Classifications

• • G—PHYSICS
  • G04—HOROLOGY
  • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
  • G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
  • G04C23/02—Constructional details
  • G04C23/06—Driving or regulating means
• • G—PHYSICS
  • G04—HOROLOGY
  • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
  • G04C11/00—Synchronisation of independently-driven clocks
• • G—PHYSICS
  • G04—HOROLOGY
  • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
  • G04C15/00—Clocks driven by synchronous motors
  • G04C15/0054—Clocks driven by synchronous motors with power-reserve
• • 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

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Electric Clocks (AREA)

Priority Applications (2)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4433212

Family Applications (1)

Country Status (2)

• 1969
  • 1969-12-10 CH CH1847769A patent/CH521629A/en not_active IP Right Cessation
• 1970
  • 1970-12-10 DE DE19702060877 patent/DE2060877A1/en active Pending

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