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Double-radiant-source framework for container detecting system

  • US 20060018428A1
  • Filed: 10/15/2004
  • Published: 01/26/2006
  • Est. Priority Date: 10/16/2003
  • Status: Active Grant
First Claim
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1. A container detecting system, comprising:

  • a horizontal accelerator for emitting radiation, a vertical accelerator for emitting radiation, a gantry tower composed of a first vertical girder, a second vertical girder, an upper cross girder, and a lower cross girder, and defining a scanning channel, a horizontal corrector and a vertical corrector disposed in front of the frontal faces of said horizontal accelerator and said vertical accelerator, respectively, a horizontal collimator aligned with the horizontal corrector, and having a slit from which radiation is emitted to define a first plane of radiation, a vertical collimator aligned with the vertical corrector, and having a slit from which radiation is emitted to define a second plane of radiation that is parallel with the first plane of radiation, a vertical collimation column for providing therein the horizontal collimator, and being fixed to the left vertical girder, a horizontal collimation girder for providing therein the vertical collimator, and being fixed to the upper cross girder, a double-detector arm mounted in the right vertical girder of the gantry tower, comprising a plurality of detector modules for receiving the first and second planes of radiation, the plurality of detector modules comprising a first horizontal detector module for receiving the first plane of radiation, and a first vertical detector module for receiving the second plane of radiation, a second horizontal detector module for receiving the first plane of radiation, a second vertical detector module for receiving the second plane of radiation, and a supporting seat on a bottom surface, wherein a lower surface of the lower cross girder of the gantry tower is fixed with the supporting seat, an end of the lower cross girder is connected to the left vertical girder and to the right vertical girder, and a bearing plate is disposed on the upper surface of the lower cross girder for allowing a container truck to pass through the scanning channel.

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