Method of operating a gas-discharge lamp and a power supply unit
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United States of America Patent
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Issued Date -
May 20, 2004
app pub date -
Oct 28, 2003
filing date -
Nov 14, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Proposed is a method of operating a gas discharge lamp, preferably a fluorescent lamp (10), in which the lamp is at least partly operated with a dc voltage component and voltage pulses are superimposed on that dc voltage component which can be reduced to zero. A power supply unit (11) for carrying out the method is designed in such a way that a running voltage source (13) for supplying the dc voltage and a pulse source (12) for supplying the voltage pulses are provided or can be connected.
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