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Apparatus and method for calibrating a trace detection portal

  • US 7,594,422 B2
  • Filed: 10/30/2006
  • Issued: 09/29/2009
  • Est. Priority Date: 10/30/2006
  • Status: Expired due to Fees
First Claim
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1. A method for self-calibrating one or more components of a trace detection portal that includes a sample collection chamber, the method comprising:

  • receiving a signal from a controller coupled with the trace detection portal;

    releasing a predetermined amount of a substance from a calibrant container into the sample collection chamber in response to the signal received from the controller;

    detecting and analyzing the substance;

    identifying the substance as a calibrant; and

    automatically initiating a self-calibration of one or more components of the trace detection portal in response to the identification of the calibrant.

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  • 8 Assignments
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