Crest factor reduction method for electronically ballasted...

Crest factor reduction method for electronically ballasted...

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

Electrical device

Electronic ballast

Electronic ballast

Electronic ballast circuit for discharge lamps