Hybrid relay circuit having electromagnetic relay for switching
Method and device for the transmission of electric power between
MOSFET based, high voltage, electronic relays for AC power...
MOSFET based, high voltage, electronic relays for AC power...
Multi-voltage electromechanical time switch
Oscillatory circuit utilizing PTC resistor
Piezoelectric relay switching circuit
Power circuit control programmable timer
Random electric timer having a reversible motor
Rotary switch with rotatable contact
Switch timer
Switching circuit with a time delay device
System-state and operating condition sensitive control method an
Timer and power control system
Wall switch opening mounted power circuit timer-controller