Flame detector self diagnostic system employing a modulated optical signal in composite with a flame detection signal
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United States of America Patent
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Feb 27, 1996
Grant Date -
N/A
app pub date -
Dec 19, 1994
filing date -
Dec 19, 1994
priority date (Note) -
Expired
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Abstract
A self diagnostic system for a flame detector. The system produces an optical determinant signal from an analog determinant signal that has a controllable amplitude and frequency. The system detects the optical determinant signal and the optical signal from the flame and processes both signals to thereby continuously monitor the flame while also continuously analyzing the operating status of the flame detector.
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