Electronic ballast with feed-forward control

Electronic ballast with high voltage protection

Electronic ballast with interface circuitry for multiple dimming

Electronic ballast with intermediate circuit regulation

Electronic ballast with inverter control circuit

Electronic ballast with lamp flash protection circuit

Electronic ballast with lamp run-up current regulation

Electronic ballast with output control feature

Electronic ballast with overvoltage monitoring

Electronic ballast with reduced operating frequency after...

Electronic constant power ballast for arc lamps

Electronic control systems and methods

Electronic device for controlling the brightness of an electric

Electronic dimmable ballast for high intensity discharge lamp

Electronic dimming ballast

Electronic fluorescent lamp ballast

Electronic high frequency controlled device for operating gas di

Electronic high intensity discharge ballast

Electronic ignition enhancing circuit having both fundamental an

Electronic lighting ballast