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Methods for detecting, computing and disseminating location information of weapons of mass destruction

  • US 7,345,582 B2
  • Filed: 11/18/2004
  • Issued: 03/18/2008
  • Est. Priority Date: 11/19/2003
  • Status: Expired due to Fees
First Claim
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1. A method for determining the location of a radioactive device or chemical/biological hazardous material from which notification to a Public Safety Answering Point is made, the method comprising:

  • receiving radiation signal information related to an emitting source from a mobile switching center;

    receiving a location request from a mobile switching center;

    sending radioactive signal information to a plurality of radiation sensor devices;

    receiving angular information from at least two radiation sensor devices;

    employing a triangulation method to calculate the location of the radioactive device or chemical/biological hazardous material;

    transmitting information about the location to the mobile switching center;

    obtaining geographical location information for the wireless transmission towers associated with at least two radiation sensor devices,wherein the step of employing a triangulation method further comprisesdetermining a best pair of geographical coordinates by averaging geographical coordinates.

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