Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1998-03-18
1999-04-27
Hofsass, Jeffery A.
Communications: electrical
Condition responsive indicating system
Specific condition
G08B 1712
Patent
active
058983732
ABSTRACT:
Sticky polymeric particles are planted upon a site to be remotely monitored over a substantial future time period for the presence of toxic target agents. An airborne vehicle positioned over the site directs a laser beam toward the site and if one or more toxic agents are present at the site, a return beam is produced having one or more known spectral signatures corresponding to the toxic target agents which are recognized by a photospectrometer in the airborne vehicle. Alternatively, a chemiluminescent reaction between the toxin and the particles can produce an alarm condition right at the monitored site.
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Murad Edmond
Pike Charles P.
Hofsass Jeffery A.
Pham Toan N.
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