X-ray ct device
专利汇可以提供X-ray ct device专利检索，专利查询，专利分析的服务。并且PURPOSE: To improve the positional resolution of an image pickup body by providing a driving means to individually move a movable X-ray detector and a control means to execute a scanning system driving the driving means in a special system.
CONSTITUTION: A gantry to integrate an X-ray generator 15 and a detector system 16A is rotated, data are acquired at each gantry angle β, an they are used or an image recomposition. At such a time, depending on the angle βat every gantry angle β, each X-ray detector 10A is driven by a pulse motor 11, and the data related to an image pickup body 7 are acquired. For example, by using X
1 -X
7 seven X-ray detectors 10A, the data are acquired in an ordinary fixed position in the case of β=0, π/6, in a position to make the detector X
7 approach the detector X
6 by a half pitch in the case of β=2/6π, in a position to make the detector X
6 approach the detector X
5 further by a half pitch, and in the same manner thereafter, in the positions to move the X-ray detectors 10A by a half pitch in the same direction up to β=7/6π. Next, the detectors X
7 and X
6 are returned to the original positions in the case of β=8/6π and β=9/6π, respectively, and in the same manner thereafter, the X-ray detectors 10A are moved, and the data are acquired up to β=2π.
COPYRIGHT: (C)1990,JPO&Japio，下面是X-ray ct device专利的具体信息内容。
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