Programmable universal lighting system
Projection type video display
Protection device in a hid lamp ignition circuit
Pump support choke
Rapid warmup light actuator
Regulated DC power supply
Resonant ballast circuit
Resonant driving system for a fluorescent lamp
Resonant energy recovery for electro-luminescent lamp panels
Resonant inverter circuitry for effecting fundamental or harmoni
Resonant inverter including feed back circuit having phase...
Resonant inverter including feed back circuit with source of...
Resonant mode power supply having over-power and over-current pr
Self-oscillating circuit for driving high-side and low-side...
Self-regulating electronic ballast system
Self-regulating, no load protected electronic ballast system
Shock-hazard-free lighting means
Short circuit ballast protection
Sign lamp lighting transformer with protective functions
Simple protection circuit and adaptive frequency sweeping...