Anti-cycling control system for luminaires

Apparatus for decoding a DPCM encoded signal

Ballast adaptor for improving operation of fluorescent lamps

Ballast adaptor for improving operation of fluorescent lamps

Ballast circuit with lamp cathode protection and ballast...

Ballast for a discharge lamp

Ballast for ionic conduction lamps

Circuit arrangement for igniting and operating gas discharge lam

Circuit arrangement for igniting gas discharge flash tubes

Circuit arrangement for operating a high-pressure discharge lamp

Circuit arrangement for starting and feeding a gas and/or vapor

Circuit connected in series with a discharge valve source

Circuit for starting and operating fluorescent lamps

Circuit system for lighting a discharge lamp or lamps

Compact fluorescent lamp dimming system

Controlling a light assembly

Converter/inverter full bridge ballast circuit

Current-mode resonant inverter circuit

Decoupling circuits

Device and method for preheating the coil electrodes of a...