Concentration detection system
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United States of America Patent
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Issued Date -
Oct 24, 2002
app pub date -
Mar 28, 2002
filing date -
Mar 28, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A concentration detection system with a radiation source device which outputs a collimated beam of radiation across a sample path having an unknown concentration of fluid of interest and a detector device including a sample sensor, a reference sensor, and an integrating lens positioned to integrate the collimated radiation passing through the sample path evenly over the sample sensor and the reference sensor so that the instantaneous fields of view of the sample sensor and the reference sensor are the same to equalize any obscurations effects thereof.
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