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Folded array CT baggage scanner

  • US 7,016,459 B2
  • Filed: 10/21/2004
  • Issued: 03/21/2006
  • Est. Priority Date: 10/02/2002
  • Status: Expired due to Term
First Claim
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1. A computed tomography (CT) scanner for scanning an object, the CT scanner comprising:

  • a tunnel;

    a conveyor for moving the object through the tunnel;

    a gantry movable relative to the tunnel;

    an x-ray source for providing an x-ray beam that intersects the tunnel;

    a first set of detectors on the gantry, the detectors in the first set all being positioned substantially at a same first distance from the x-ray source, the first set of detectors being positioned opposite the x-ray source so that the gantry has first and second sections extending on opposite sides of the gantry between the x-ray source and the first set of detectors; and

    a second set of detectors positioned on the first section of the gantry, the detectors in the second set all being positioned substantially at a same second distance from the x-ray source, the second distance being less than the first distance.

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