Dimmer and ground fault interruption for solid state neon supply

Dimmer for a gas discharge lamp employing frequency shifting

Dimming apparatus for fluorescent lamps

Dimming ballast and drive method for a metal halide lamp using a

Dimming ballast control circuit

Dimming control system and method for a fluorescent lamp

Dimming mode selecting circuit and driving device using the...

Direct current power source for an electric discharge lamp

Direct current power source for an electric discharge lamp

Direct current power source for an electric discharge lamp using

Discharge lamp apparatus

Discharge lamp ballast circuit

Discharge lamp control circuit arrangement

Discharge lamp control circuit using a luminous flux table

Discharge lamp current controlling circuit

Discharge lamp driving circuit

Discharge lamp driving circuit and method of driving a...

Discharge lamp driving circuit having resonant circuit defining

Discharge lamp driving device and driving method

Discharge lamp igniting and operating circuit with a timer contr