Patent ID: 6756744
Filing Date: 2004-06-29
Classification: H05B

Abstract:
A circuit for lighting a discharge lamp, comprising a ballast for lighting the discharge lamp, and a low-voltage igniter connected to the ballast for initiating lighting of the lamp, the low-voltage igniter comprising:a lighting diode having an input side connected to an output side of the ballast and an output side connected to the discharge lamp; a step-up output capacitor provided at a step-up pulse supply branch line connected to the output side of the lighting diode; a trigger element provided at a pulse generation branch line connected to the input side of the lighting diode, and a pulse generation capacitor connected in parallel to the trigger element; and a step-up transformer having a primary side connected via the trigger element to the input side of the lighting diode and a secondary side with an output terminal connected via the step-up output capacitor to the output side of the lighting diode.