Particulate detector system
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United States of America Patent
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Mar 13, 2012
Grant Date -
Dec 2, 2010
app pub date -
Jun 1, 2010
filing date -
Jun 1, 2009
priority date (Note) -
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Abstract
A particulate detector system is provided that can sense particulates (such as smoke in the air). The system employs a reflected light system that generally avoids making measurements of light intensity. Instead, coded signals are compared with one another to determine error rates between emitted light and detected light (across a chamber). Based on the error rate, processing circuitry can determine particulate concentration.
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