Classifications

• • G—PHYSICS
  • G04—HOROLOGY
  • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
  • G04C13/00—Driving mechanisms for clocks by primary clocks
  • G04C13/02—Circuit arrangements; Electric clock installations
  • G04C13/04—Primary clocks
  • G04C13/0409—Primary clocks monitoring or controlling primary clock or system with more than one primary clock, e.g. for switching-over to standby motor or power system
  • G04C13/0418—Primary clocks monitoring or controlling primary clock or system with more than one primary clock, e.g. for switching-over to standby motor or power system by using devices similar to secondary clocks

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• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Electromechanical Clocks (AREA)

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Cited By (1)

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  • DE DENDAT110226D patent/DE110226C/de active Active

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