H - Electricity – 05 – B
Patent
H - Electricity
05
B
315/67
H05B 31/30 (2006.01) H05B 41/18 (2006.01)
Patent
CA 1156303
LD 7995 KEEP-ALIVE CIRCUIT FOR GAS DISCHARGE LAMP ABSTRACT OF THE DISCLOSURE A circuit for starting and ballasting a compact high intensity arc discharge lamp, and for preventing failure of the arc discharge. A filament connected in series with the arc lamp provides illumination during arc start-up and functions as a ballast during normal arc operation. An oscillatory starting circuit supplies starting voltage to the arc lamp until an operating arc is established. The circuit includes a "keep-alive" feature which prevents the arc from extinguishing during power fluctuations.
350999
Company General Electric
Eckersley Raymond A.
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