Apparatus for operating gaseous discharge lamps on direct curren
Arrangement intended for the ignition and alternating current su
Ballast circuit for starting fluorescent lamps
Built-in starter type fluorescent lamp socket
Circuit for starting and operating fluorescent lamps
Circuits for operating electric discharge lamps
Compact igniter for discharge lamps
Device for starting and feeding a discharge lamp
Discharge lamp lighting device
Discharge lamp operation apparatus
Discharge lamp starting device
Discharge tube firing device
Electric device provided with a gas and/or vapor discharge lamp
Electric discharge lamp lighting device
Electronic ballast for tungsten lamp tubes
Electronic device for the starting and a.c. voltage operation of
Electronic starter for igniting a discharge lamp
Energizing circuit for magnetron using dual transformer secondar
Fluorescent lamp controlling
Fluorescent lamp driving circuit