Push-pull inverter ballast for arc discharge lamps

Rapid starting of gas discharge lamps

Rapid starting of gas discharge lamps

Rare gas discharge fluorescent lamp device

Solid state ballast for fluorescent lamps

Solid-state fluorescent lamp ballast

Starting and operating apparatus for high pressure sodium lamp b

Starting and operating ballast for high pressure sodium lamp

Starting circuits for discharge lamps

Step-controllable electronic ballast

Switched bridge circuit

System for controlling power applied to a gas discharge lamp

Traffic light dimming technique and circuitry

Transformerless current-limiting circuit

Two contact, AC-operated negative glow fluorescent lamp

Uni-directional light emitting diode drive circuit in pulsed...

Voltage doubler ballast system employing resonant combination tu