DEVICE FOR SUPPLYING AN ELECTRIC DISCHARGE LAMP

摘要

1506998 Supply systems for discharge lamps NORTH AMERICAN PHILIPS CORP 22 July 1976 [25 July 1975] 30600/76 Heading H2H The supply system for a high or low pressure gas discharge lamp 1 includes a coil 6 and a capacitor 7 connected in series with the lamp, the capacitor being of the voltage dependent type in which the capacitance decreases as the applied voltage increases, the effect of which capacitor is to reduce the peaks in the lamp current waveform and thus to enhance the light output of the lamp.