Patent ID: 7220967
Filing Date: 2007-05-22
Classification: G01T,G01V

Abstract:
1. A radioactive material detection system comprising: a plurality of radioactive material detection apparatuses, each apparatus being disposed in or on a cargo receptacle and each apparatus comprising: a command center configured to receive the wirelessly transmitted information directly or indirectly from each of the wireless transmitters of the plurality of radioactive material detection apparatuses, the system being configured to detect fissile or nuclear material that emits radiation by establishing a background radiation space derived from the information sensed by the plurality of radioactive material detection apparatuses to distinguish an anomaly amongst the plurality of radioactive material detection apparatuses, the system having a first sensitivity to detectable radiation and a second sensitivity to detectable radiation and being configured to be adjusted from the first sensitivity to detectable radiation to the second sensitivity to detectable radiation based on one of a remote user command, a user command at the command center and an automatic rules-based command.