Now showing items 1-2 of 2
Gas discharge lamp inverter with a wide input voltage range
(United States Patent and Trademark Office, 1999-09-07)
A gas discharge lamp driving circuit reduces input power at start-up mode through the utilization of input power diodes and stress capacitors in parallel therewith. The circuit includes a blocking filter for filtering an ...
Discharge lamp driving circuit having resonant circuit defining two resonance modes
(United States Patent and Trademark Office, 1999-06-22)
An improved discharge lamp driving circuit of a charge-pump type capable of suppressing a ripple in an envelop of a lamp current at the time of dimming the lamp or at a low environmental temperature. The circuit includes ...