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Radiation image capturing system

  • US 7,896,547 B2
  • Filed: 04/30/2009
  • Issued: 03/01/2011
  • Est. Priority Date: 07/27/2007
  • Status: Active Grant
First Claim
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1. A radiation image capturing system comprising:

  • an image capturing unit including a radiation source for emitting a radiation;

    a cassette including a radiation conversion panel for detecting the radiation which has been emitted from said radiation source and which has passed through a subject, and converting the detected radiation into radiation image information;

    a position detecting unit for detecting respective positions of said radiation source and said radiation conversion panel; and

    a determining unit for determining whether said radiation source and said radiation conversion panel are placed in head-on facing relation to each other based on the positions of said radiation source and said radiation conversion panel which are detected by said position detecting unit;

    wherein said radiation source and said radiation conversion panel are separate from each other and movable with respect to each other,wherein said position detecting unit comprises a detector for detecting the respective positions of said radiation source and said radiation conversion panel in a horizontal plane, andwherein the detector comprises a first horizontal sensor for detecting a horizontal position of the radiation detecting cassette, a first vertical sensor for detecting a vertical position of the radiation detecting cassette, a second horizontal sensor for detecting a horizontal position of the image capturing unit, and a second vertical sensor for detecting a vertical position of the image capturing unit.

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