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1. 发明授权

US08625159B2 Method for detecting errors in individual color separation images of a multi-color printing machine 有权
标题翻译：用于检测多色印刷机的各色分离图像中的错误的方法
公开(公告)号：US08625159B2
公开(公告)日：2014-01-07
申请号：US12934736
申请日：2009-01-22
申请人： Jan D. Boness , Ingo K. Dreher , Heiko Hunold , Ralf Jachmann , Ralph Petersen , Frank Pierel , Stefan Schrader , Matthias Wecker , Tim D'Avis
发明人： Jan D. Boness , Ingo K. Dreher , Heiko Hunold , Ralf Jachmann , Ralph Petersen , Frank Pierel , Stefan Schrader , Matthias Wecker , Tim D'Avis
IPC分类号： G06K15/22 , H04N1/00 , H04N1/60 , H04N1/21 , G03G15/00 , G03G15/01
CPC分类号： G03G15/0194 , G03G15/161 , G03G15/5054 , G03G2215/00059 , G03G2215/0161
摘要： A method for detecting errors in individual color separation images of a multi-color printing machine, in particular an electrophotographic printing machine, comprising a plurality of printing units, is described. Using this method, first a plurality of first register lines is printed with a first printing unit, and a plurality of second register lines is printed with a second printing unit in such a manner that each of the first register lines, together with one of said second register lines, is positioned inside a respective registration frame. Then the plurality of the first and second register lines in the respective registration frame are detected with a register sensor, and an output signal of the register sensor relating to the respective second register line is compared with an intensity threshold value in order to determine whether the second register lines can be recognized. In an alternative embodiment of the method, a plurality of the first register lines is printed with a first printing unit in such a manner that each of the first register lines is printed within a respective registration frame. Subsequently, the plurality of the first register lines in the respective registration frames is detected with a register sensor, and an output signal of the register sensor relating to the respective first register lines is compared with a pre-specified intensity threshold value in order to determine whether the first register lines are recognizable.
摘要翻译：描述了一种用于检测包括多个印刷单元的多色印刷机，特别是电子照相印刷机的单独色彩分离图像中的错误的方法。使用该方法，首先使用第一打印单元打印多个第一寄存器行，并且以第二打印单元打印多个第二寄存器行，使得第一寄存器行与所述第一寄存器行中的一个一起第二寄存器线位于相应的配准框内。然后，利用寄存器传感器检测相应登记帧中的多个第一和第二寄存器线，并将与相应的第二寄存器线相关的寄存器传感器的输出信号与强度阈值进行比较，以便确定是否可以识别第二个寄存器行。在该方法的替代实施例中，多个第一寄存器行以第一打印单元打印，使得每个第一寄存器行被打印在相应的配准帧内。随后，用寄存器传感器检测各个登记帧中的多个第一寄存器行，并将与各个第一寄存器行相关的寄存器传感器的输出信号与预定的强度阈值进行比较，以便确定第一个寄存器行是否可识别。

2. 发明申请

US20110063643A1 METHOD FOR DETECTING ERRORS IN INDIVIDUAL COLOR SEPARATION IMAGES OF A MULTI-COLOR PRINTING MACHINE 有权
标题翻译：用于检测多色打印机个性色彩分离图像中的错误的方法
公开(公告)号：US20110063643A1
公开(公告)日：2011-03-17
申请号：US12934736
申请日：2009-01-22
申请人： Jan D. Boness , Ingo K. Dreher , Heiko Hunold , Ralf jachmann , Ralph Petersen , Frank Pierel , Schrader Stefan , Matthias Wecker , Tim D'Avis
发明人： Jan D. Boness , Ingo K. Dreher , Heiko Hunold , Ralf jachmann , Ralph Petersen , Frank Pierel , Schrader Stefan , Matthias Wecker , Tim D'Avis
IPC分类号： H04N1/60
CPC分类号： G03G15/0194 , G03G15/161 , G03G15/5054 , G03G2215/00059 , G03G2215/0161
摘要： A method for detecting errors in individual color separation images of a multi-color printing machine, in particular an electrophotographic printing machine, comprising a plurality of printing units, is described. Using this method, first a plurality of first register lines is printed with a first printing unit, and a plurality of second register lines is printed with a second printing unit in such a manner that each of the first register lines, together with one of said second register lines, is positioned inside a respective registration frame. Then the plurality of the first and second register lines in the respective registration frame are detected with a register sensor, and an output signal of the register sensor relating to the respective second register line is compared with an intensity threshold value in order to determine whether the second register lines can be recognized. In an alternative embodiment of the method, a plurality of the first register lines is printed with a first printing unit in such a manner that each of the first register lines is printed within a respective registration frame. Subsequently, the plurality of the first register lines in the respective registration frames is detected with a register sensor, and an output signal of the register sensor relating to the respective first register lines is compared with a pre-specified intensity threshold value in order to determine whether the first register lines are recognizable.
摘要翻译：描述了一种用于检测包括多个印刷单元的多色印刷机，特别是电子照相印刷机的单独色彩分离图像中的错误的方法。使用该方法，首先使用第一打印单元打印多个第一寄存器行，并且以第二打印单元打印多个第二寄存器行，使得第一寄存器行与所述第一寄存器行中的一个一起第二寄存器线位于相应的配准框内。然后，利用寄存器传感器检测相应登记帧中的多个第一和第二寄存器线，并将与相应的第二寄存器线相关的寄存器传感器的输出信号与强度阈值进行比较，以便确定是否可以识别第二个寄存器行。在该方法的替代实施例中，多个第一寄存器行以第一打印单元打印，使得每个第一寄存器行被打印在相应的配准帧内。随后，用寄存器传感器检测各个登记帧中的多个第一寄存器行，并将与各个第一寄存器行相关的寄存器传感器的输出信号与预定的强度阈值进行比较，以便确定第一个寄存器行是否可识别。

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