| 摘要 |
<P>PROBLEM TO BE SOLVED: To appropriately carry out radiography even when accelerating/decelerating a radiation source of an X-ray tube or the like in carrying out tomosynthesis radiography. <P>SOLUTION: The X-ray tube is accelerated from a resting state to a predetermined constant speed (an accelerating section a, 0≤t(time)≤T1) when moving in the moving range, to move at a constant speed for a predetermined time (a constant speed section b, T1≤t≤T1+T) and then decelerated to stop (a decelerating section c, T1+T≤t≤2×T1+T). At this time, the exposure timing of X-rays from the X-ray tube is set so that the intervals of irradiation positions for irradiating a subject with X-rays are constant. <P>COPYRIGHT: (C)2012,JPO&INPIT |
