Ignition device for a gas discharge lamp
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United States of America Patent
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-
Apr 2, 1991
Issued Date -
N/A
app pub date -
Dec 28, 1989
filing date -
Apr 13, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention provides an ignition device for a gas discharge lamp. The device comprises a voltage multiplier which is connected to an AC mains source. A pulse generator is connected to the voltage multiplier and produces a trigger pulse when the source voltage exceeds a predetermined threshold. The output of the pulse generator is applied to a resonant network including a step-up transformer, which applies high voltage ignition pulses to the lamp. A delay circuit synchronizes the ignition pulses with the peaks of the AC mains waveform.
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