Electronic ballast system
Electronic ballast system for fluorescent lamps
Electronic ballast system with dual power and dimming...
Electronic ballast that is controlled by the operation of a...
Electronic ballast that monitors direct current through lamp fil
Electronic ballast with automatic restarting
Electronic ballast with closed loop control using composite...
Electronic ballast with continued conduction of line current
Electronic ballast with controlled DC rail voltage
Electronic ballast with controlled DC supply voltage
Electronic ballast with controlled-magnitude output voltage
Electronic ballast with crest factor control
Electronic ballast with DC output flyback converter
Electronic ballast with fault-protected series resonant output c
Electronic ballast with FET bridge inverter
Electronic ballast with frequency control
Electronic ballast with high power factor
Electronic ballast with high power factor
Electronic ballast with inrush current limiting
Electronic ballast with inverter protection and relamping circui