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
G04C13/04—Primary clocks
G04C13/0463—Arrangements for generating normal driving pulses
G04C13/0472—Arrangements for generating normal driving pulses by starting an independent mechanical driving devices, e.g. motor controlling the contacts