Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
G04C13/00—Driving mechanisms for clocks by primary clocks
G04C13/02—Circuit arrangements; Electric clock installations
G04C13/021—Circuit arrangements; Electric clock installations primary-secondary systems using transmission of singular pulses for driving directly secondary clocks step by step
Einrichtung zur Erzeugung und UEbertragung von fallweise oder periodisch benoetigtentonfrequenten Wechselstroemen verschiedener Frequenzen ueber Leitungen, insbesondere Starkstromleitungen, zum Betriebe von Resonanzorganen jeder Art, insbesondere elektrischer Nebenuhren