Hot cathode discharge lamp lighting device
Lamp ballast circuit characterized by a single resonant frequenc
Low voltage fluorescent lighting system
Method and circuit for improved HID lamp maintenance
Method and means for dimming ballasted lamps
Method and system for switchable light levels in operating gas d
Multiple level dimming circuit for fluorescent lamp
Power supply for low voltage incandescent lamp
Power supply for low-voltage incandescent lamp and like load
Programmable ultraviolet lamp control system
Starter for inductively coupled plasma tube