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    • 30. 发明授权
    • Tomographic apparatus for producing transverse layer images
    • 用于产生横向图像图像的断层扫描仪
    • US4311911A
    • 1982-01-19
    • US105890
    • 1979-12-21
    • Hans-Jochen KrummeGuenter Schmitt
    • Hans-Jochen KrummeGuenter Schmitt
    • A61B6/03A61B6/06A61B6/00
    • A61B6/032A61B6/06
    • In an exemplary embodiment, a radiation-measuring arrangement comprises a radiation source which produces a fan-shaped beam of rays, and a radiation receiver which determines the radiation intensity behind the subject. The beam of rays executes a scanning movement in the layer plane for scanning a layer area which is greater than the layer area corresponding to the fan-shaped extent of the beam of rays. Furthermore, there is a rotating ring for the measuring arrangement for irradiating the radiography subject from different directions. The output signals of the radiation receiver are transformed by a measured value converter into a layer image. The measuring arrangement is mounted on a rotatable support which is pivotally mounted on the rotating ring and is swivelled by a drive element of a second rotating ring when the angular velocity of the second rotating ring differs from the angular velocity of the first rotating ring.
    • 在示例性实施例中,辐射测量装置包括产生扇形射线束的辐射源和确定对象后面的辐射强度的辐射接收器。 光束在层平面中执行扫描运动,用于扫描大于对应于光束的扇形范围的层面积的层面积。 此外,存在用于从不同方向照射摄影对象的测量装置的旋转环。 辐射接收器的输出信号由测量值转换器变换成层图像。 测量装置安装在可转动的支承件上,当第二旋转环的角速度与第一旋转环的角速度不同时,该支承件枢转地安装在旋转环上并由第二旋转环的驱动元件旋转。