Arc discharge lamp with ultraviolet enhanced starting circuit

Arc discharge lamp with ultraviolet radiation starting source

Arc lamp lighting unit with means to prevent prolonged applicati

Arrangement for the ignition of ignitable mixtures

Arrangement in a tunable high frequency transmitter tube

Arrangement in a tunable magnetron

Article for increasing the life expectancy of filament light bul

Asymmetrical bus capacitors

Automatic shut-off device for an electric lamp

Ballast circuit for direct current arc lamp

Ballast circuit for fluorescent lamp

Ballast device for compact fluorescent lamp

Ballast socket for compact fluorescent lamp

Ballast socket for compact fluorescent lamp

Bifilar helical electrode arrangement for transversely exciting

Bimetal switch for electrode heat cutout within an electrically

Bimetal/resistor switch and ceramic bridge assembly for metal ha

Blended lamp

Blended light lamp

Boosting transformer for high-frequency heating device