Electronic ballast for a gas discharge lamp with controlled...

Electronic ballast for a high intensity discharge lamp with auto

Electronic ballast for a high-pressure discharge lamp

Electronic ballast for discharge lamps

Electronic ballast for fluorescent lamps

Electronic ballast for gas discharge lamp

Electronic ballast for gas discharge lamps

Electronic ballast for gaseous discharge lamps

Electronic ballast for one or more lamps

Electronic ballast for the operation of at least one gas dischar

Electronic ballast having a symmetric topology

Electronic ballast having a triac dimming filter with preconditi

Electronic ballast having adaptive frequency shifting

Electronic ballast with adaptive lamp preheat and ignition

Electronic ballast with boost converter

Electronic ballast with dimming control from power line sensing

Electronic ballast with dimming control from power line sensing

Electronic ballast with dimming control from power line sensing

Electronic ballast with dimming control from power line sensing

Electronic ballast with embedded network micro-controller