Lamp control circuit
Lamp dimmer
Lamp driving topology
Light dimmer switch having remote load current switching
Light indicating system having light emitting diodes and power r
Lighting device and a lighting method for a high pressure...
Lighting device for emitting light without substantially delayin
Lighting of discharge lamp by frequency control
Line regulated ballast circuit
Low noise inverter for EL lamp
Method and apparatus for dimming fluorescent lights
Method of and switching device for reducing feedback from a cons
Method of sensing the rms value of a waveform
Non-interfering, overlapping high frequency signalling for lamp
Phase control ballast
Phase controlled dimming system with active filter for preventin
Phase controlled dimming system with active filter for...
Phase-controlled ballast having shifting control
Power and signal distribution in lighting systems
Power control circuit with phase controlled signal input