Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AegfiledCriticalAeg
Publication of CH63625ApublicationCriticalpatent/CH63625A/de
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
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
CH63625A1913-03-191913-03-19Einrichtung zur Kontrolle elektrischer Nebenuhren
CH63625A
(de)