Lamp ballast circuit characterized by a single resonant frequenc
Lamp ballast for reducing interference current
Lighting circuit for discharge lamp
Lighting system with fluorescent and incandescent lamps
Magnetic electronic fluorescent lamp ballast
Method and apparatus for starting and operating fluorescent lamp
Method and circuit for controlling current in a high...
Method and circuit for improving HID lamp starting
Method and circuit for square wave current generation by harmoni
Method for igniting high frequency operated, high intensity disc
Modular fluorescent track lighting
Phase correction for series-resonant ballasts
Power feedback power factor correction scheme for multiple...
Power supply for discharge lamp
Power supply for discharge lamps with balanced resonant circuit
Power-line control system
Preheating circuit for detecting the filament temperature of...
Regulating ballast with power factor correction for high-frequen
Remote ballast circuit assembly
Resonant circuit for halogen lighting