Device and process for lighting a fluorescent discharge lamp

Discharge lamp auxiliary circuit with dI/dt switching control

Discharge lamp ballast circuits

Discharge lamp driving circuit

Discharge lamp driving method and electronic operators for imple

Discharge lamp lighting circuit with an open protection circuit

Discharge lamp lighting device

Discharge lamp lighting device using a backswing booster

Discharge lamp lighting device with a delayed-output oscillation

Driving serially connected high intensity discharge lamps

Dual resonant frequency arc lamp power supply

Electric device comprising at least one low-pressure mercury vap

Electronic ballast for fluorescent lamp

Electronic ballast for fluorescent lamps

Electronic ballast for gas discharge lamp having primary and aux

Electronic ballast having pulsating output voltage

Electronic ballast with ground-fault protection

Electronic ballast with improved lamp current crest factor

Electronic dimming ballast for compact fluorescent lamps

Electronic energy converter having two resonant circuits