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    • 2. 发明授权
    • Method and device for the detection, at the correct time, of print marks located at regular intervals on a print web
    • 用于在正确的时间检测位于打印卷筒纸上的定期间隔的打印标记的方法和装置
    • US08085973B2
    • 2011-12-27
    • US12224521
    • 2007-01-17
    • Bernhard DirschJörg Reh
    • Bernhard DirschJörg Reh
    • G06K9/00G03B27/14
    • B41F33/0081B65H2557/264
    • In a method and a device for the detection, at the correct time, of pressure marks situated at regular intervals on a print web, use is made of cameras, with a processing unit which is assigned to the camera. The activation of the camera is no longer triggered externally in order to detect the pressure marks. Instead, the drive control system, which actuates a movement of the print web, is connected to a bus to which the cameras and therefore the processing units are also connected. It is thereby possible for the drive control system to provide the processing units with process data which the processing units can use to calculate detection times. The activation of the camera takes place, on the basis of the calculation, automatically by means of the cameras with the processing unit itself.
    • 在用于在正确的时间检测位于打印幅材上以规则间隔的压力标记的方法和装置中,使用被配置到相机的处理单元的照相机。 为了检测压力标记,相机的激活不再被外部触发。 而是驱动控制系统,其驱动打印卷筒纸的移动,连接到相机,因此处理单元也连接到的总线上。 因此,驱动控制系统可以为处理单元提供处理单元可用于计算检测时间的处理数据。 通过使用处理单元本身的摄像机自动地在计算的基础上进行摄像机的激活。