D-c to d-c converter circuit
Digitally controlled current regulator for high power solid...
Dimmer circuit for gas discharge lamps having electronic ballast
Dimmer for energy saving lamp
Dimming circuit for controlling electrical power
Direct current power supply device, power supply device for...
Direct-current power supply device, power supply device for...
Discharge lamp ballast circuit having snubber circuit
Discharge lamp control circuit with feedback loop to lower harmo
Discharge lamp life and lamp lumen life-extender module, circuit
Discharge lamp life and lamp lumen life-extender module, circuit
Discharge lamp lighting system for avoiding high in-rush current
Driving device for providing light dimming control of...
Dynamic filter for an electronic ballast with a parallel-load re