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Multi-zonal detection of explosives, narcotics, and other chemical substances

  • US 20060081073A1
  • Filed: 10/12/2005
  • Published: 04/20/2006
  • Est. Priority Date: 10/12/2004
  • Status: Abandoned Application
First Claim
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1. A walk-through, multi-zonal system for detecting contraband substances associated with a human subject, the system comprising:

  • a. an examination station through which said subject passes;

    b. sample generation means to produce a sample for analysis, comprising a plurality of air jets disposed in said examination station to impinge flowing gas onto pre-selected zones on said subject;

    c. collection means operative to acquire and convey said sample, comprising a plurality of collection ports disposed in said examination station to receive gas deflected by said subject from said air jets;

    d. analysis means in communication with said collection means to receive said sample and carry out a chemical analysis to detect said contraband substances;

    e. signal means operably connected to said analysis means for indicating detection of said contraband substances.

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