Optical device with metal halide discharge lamp having enhanced

Peak voltage reducer circuit for fluorescent lamps

Power source device for ion sources

Power supplier for magnetron

Power supply circuit for a discharge lamp and use of and method

Power supply circuit for intermittently actuating a filament of

Power supply device for thermionic emitting cathode

Power supply for a hot-filament cathode

Power supply for a microwave magnetron

Power supply for vacuum fluorescent displays

Preheating and starting circuit and method for a fluorescent lam

Programmed-start parallel-resonant electronic ballast

Rapid-start fluorescent lamp power reducer

Reduction of effects of beat frequencies in systems with multipl

Regulated deuterium arc supply system

Resonant inverter for hot cathode fluorescent lamps

Starter for igniting a gas and/or vapor discharge lamp

Starter for minimizing damage to lamp electrodes of a...

Symmetry control circuit for pre-heating in electronic ballasts

System for the power control of high voltage electron beam gener