Method and apparatus for detecting environmental smoke exposure
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United States of America Patent
Stats
-
May 30, 2006
Grant Date -
Jan 2, 2003
app pub date -
May 22, 2002
filing date -
May 24, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention includes a method and apparatus for detecting exposure to environmental tobacco smoke by analyzing a sample of breath using electronic sensor technology, including surface acoustic-wave gas sensor technology. The method determines the presence and concentration of substance(s) (or a class of substances) indicative of environmental smoke exposure. Diagnostic software is used to identify substances where a stored library of signatures is compared to the signature obtained from the system. Signal processing and neural networks are preferably utilized in the analysis.
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