发明公开
EP1584471A3 Method and apparatus for visually insepecting a substrate on a printing press 有权
印刷机的打印介质,以在视觉上检查的方法和装置

Method and apparatus for visually insepecting a substrate on a printing press
摘要:
The present invention relates generally to the field of printing presses, and specifically to a method and apparatus for visually inspecting a web moving on a printing press using a CMOS based image recording device and preferably a LED light source. The LED light source includes at least two colors of light, such as white and blue, for highlighting various ink colors with respect to the web.
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