Ballast device for uv radiator and also method and device...

Ballast scheme for a fluorescent lamp with preheated filaments

Circuit for transistor ballasts for the gentle ignition of fluor

Discharge lamp starting and operating circuit

Discharge lamp starting circuit particularly for compact fluores

Driving system and method for color sequential liquid...

Electronic ballast device for fluorescent lamps

Electronic igniter for fluorescent lamps

Electronic magnetron power supply

Electronically controlled magnetic fluorescent lamp ballast

Fluorescent lamp electronic ballast control circuit

Fluorescent lamp electronic ballast with rapid voltage turn-on a

Fluorescent lamp operating device

High pressure metal vapor discharge lamp with starting element

Inverter-type microwave oven power supply

Lamp circuit with filament current fault monitoring means

Light source device

Method and arrangement for preventing cathode damage when switch

Method and circuitry for igniting fluorescent lamps at a predete

Starterless low-voltage fluorescent-lamp circuit arrangements