Filament driver for fluorescent lamps

Gregory Yates (Inventor)

Research output: Patent

Abstract

A filament driver is located between a fluorescent lamp and a phase controlled dimmer control. The filament driver comprises a transformer with the primary winding connected to the output of the dimmer control. The secondary winding is connected to the cathode filaments of the lamp and a high pass filter is arranged to pass only the harmonic components of the output voltage from the dimmer control to the filaments.
Original languageEnglish
Patent numberZA1988/03768
IPCH05B
Priority date26/05/87
Publication statusSubmitted - 22 Feb 1989

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