Igniter voltage compensation circuit
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United States of America Patent
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Issued Date -
Jun 10, 2010
app pub date -
Nov 25, 2009
filing date -
Nov 30, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Featured is igniter control circuitry that reduces the line voltage to the igniter and which maintains the igniter voltage relatively stable. More particularly, there is featured, a thyristor-based phase control circuit that reduces the RMS voltage being applied to an igniter when it is connected to the AC line or line voltage. The circuitry also is configured so that it opposes changes in line voltage such that the igniter voltage remains relatively stable when the line voltage increases or decreases relative to its nominal level. Such control circuitry includes a dual diac configuration, a relation oscillator configuration and one embodying both dual diac and relation oscillator configurations.
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