179438 ⎘
Driving mechanisms for clocks by master-clocks; Circuit arrangements; Electric clock installations master-slave systems using transmission of singular pulses for driving directly slave-clocks step by step via existing transmission lines
SYMPATHETIC TIMEPIECE ASSEMBLY
#2SYMPATHETIC TIMEPIECE ASSEMBLY
#3SYMPATHETIC TIMEPIECE ASSEMBLY
#4Delay time detection circuit, stamping information generation device, and delay time detection method
#5Wireless inductive pointer clock