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Security system for NBC-safe building

  • US 6,610,977 B2
  • Filed: 10/01/2001
  • Issued: 08/26/2003
  • Est. Priority Date: 10/01/2001
  • Status: Expired due to Fees
First Claim
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1. An apparatus for screening an object for the presence of an explosive, comprising:

  • a portal through which said object is arranged to pass, said portal having a housing equipped with;

    an ion mobility spectrometer operatively arranged to primarily detect said explosive; and

    , a surface acoustic wave device operatively arranged to secondarily detect and confirm said explosive detected by said ion mobility spectrometer.

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