PROBLEM TO BE SOLVED: To enable the control of X-ray irradiation based on the result of detection of the angle between X-ray irradiated from an X-ray source and an X-ray image photographing part during X-ray illumination.SOLUTION: The X-ray equipment includes an X-ray aperture controller to control the X-ray aperture form, an X-ray irradiation part to irradiate a subject with X rays according to the X-ray aperture form, an X-ray image photographing part to obtain an X-ray image by receiving the irradiated X-ray, a verticality judgment part to determine whether the direction of X-ray irradiation from the X-ray irradiation part is perpendicular to the X-ray image photographing part surface to receive the X ray based on comparison of the X-ray aperture form with an X-ray image, and an irradiation controller to control X-ray irradiation by the X-ray irradiation part based on the results of such determination by the verticality judgment part.COPYRIGHT: (C)2009,JPO&INPIT【課題】 X線透視中におけるX線発生部から照射されるX線とX線撮影部との角度の検出結果に基づいて、X線照射を制御することを可能にする。【解決手段】 X線撮影装置は、X線絞り形状を制御するX線絞り制御部と、X線絞り形状に従って、X線を照射するX線照射部と、照射されたX線を受光して、X線画像を取得するX線画像撮影部と、X線絞り形状と、X線画像との比較に基づいて、X線照射部のX線照射方向と、X線画像撮影部がX線を受光する受光面と、が垂直であるか否かを判定する垂直性判定部と、垂直性判定部の判定結果に基づいて、X線照射部によるX線の照射を制御する照射制御部と、を備える。【選択図】 図2
