Safety receptacle
Security timer device
Self-latching power supply apparatus
Self-learning power management system and method
Self-quenching circuit
Semiconductor integrated circuit
Short-term power dropout arrangement useful in a television rece
Soft power-up for an external power adapter
Solid state electronic irrigation controller
Solid state power control and method for reducing control power
Solid state power controller leakage current shunt circuit
Solid state relay
Solid state relay and method of operating the same
Solid state relay for switching AC power to a reactive load...
Source voltage triggered timer
Spa and pool pump and heater control
Square root digital-to-analog converter
Station timing selection circuit for irrigation controller
Stove timer and automatic cut off system
Structure of multiplex connector