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Radiation scanning of objects for contraband

  • US 7,103,137 B2
  • Filed: 07/24/2002
  • Issued: 09/05/2006
  • Est. Priority Date: 07/24/2002
  • Status: Expired due to Fees
First Claim
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1. A scanning unit for examining contents of an object movable along a predetermined first path, the scanning unit comprising:

  • a rail transverse to the first path;

    one or more sources of respective beams of radiation, at least one of the one or more sources being supported by the rail and being movable across a second path transverse to the first path, along the rail, the second path extending only partially around the first path; and

    a stationary detector extending only partially around the first path, the detector being positioned to detect radiation transmitted through the object during scanning.

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