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    • 40. 发明授权
    • Röntgendiagnostikeinrichtung
    • X射线诊断装置
    • EP0169273B1
    • 1988-06-08
    • EP84115755.5
    • 1984-12-18
    • SIEMENS AKTIENGESELLSCHAFT
    • Händle, JörgMaass, Wolfgang
    • H04N9/43H04N5/32
    • H04N5/3205H04N9/43
    • 1. X-ray diagnostic equipment with a visual display device (5) having : at least one image store (12) ; a differential stage (13) for generation of substraction images by forming the difference between a stored video signal and a video signal following in time said stored signal ; an evaluation circuit (14 to 21) for time evaluation of the difference signal ; and a colour monitor (7), in which the evaluation circuit (14 to 21) comprises a timer (15) and a colour converter (14), characterized in that, the colour converter (14) is connected directly to the differential stage (13) and converts the difference image into a monochromatic intensity image, the image colour of which, dependent on the temporal occurence of the difference image, is controlled by the timer (15), in that the colour converter (14) has for each primary colour (r, g, b) an output and that at the ouputs of the colour converter (14) there are coupled respective stores (16 to 18) in which the output signals of the colour converter (14) are stored in an additive manner.
    • 1.一种具有视觉显示装置(5)的X射线诊断装置,具有:至少一个图像存储器(12); 用于通过形成存储的视频信号和随后的所述存储信号的视频信号之间的差异来产生减​​影图像的差分级(13) 用于差分信号的时间评估的评估电路(14至21) 和颜色监视器(7),其中所述评估电路(14至21)包括定时器(15)和颜色转换器(14),其特征在于,所述颜色转换器(14)直接连接到所述差分级( 13),并且将差分图像转换成单色强度图像,其中的图像颜色取决于差分图像的时间发生,由定时器(15)控制,因为颜色转换器(14)对于每个主要 颜色(r,g,b)输出,并且在颜色转换器(14)的输出端处,耦合各个存储器(16至18),其中颜色转换器(14)的输出信号以加法方式存储 。