TREA

ELECTROMECHANICAL CLOCKS OR WATCHES

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Industry

  • CPC
  • G04C

Parent Industries

GPHYSICS G04Horology

Current Industry

G04CELECTROMECHANICAL CLOCKS OR WATCHES

Sub Industries

G04C1/00Winding mechanical clocks electrically G04C10/00Arrangements of electric power supplies in time pieces G04C11/00Synchronisation of independently-driven clocks G04C13/00Driving mechanisms for clocks by master-clocks G04C15/00Clocks driven by synchronous motors G04C17/00indicating the time optically by electric means G04C19/00Producing optical time signals at prefixed times by electric means G04C21/00Producing acoustic time signals by electrical means G04C23/00Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means G04C5/00Electric or magnetic means for converting oscillatory to rotary motion in time-pieces G04C9/00Electrically-actuated devices for setting the time-indicating means G04C99/00Subject matter not provided for in other groups of this subclass
Industries

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