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    • 1. 发明授权
    • Process and device for determining registration errors
    • 用于确定注册错误的过程和设备
    • US06718879B2
    • 2004-04-13
    • US10208216
    • 2002-07-30
    • Ingo Klaus Michael DreherHeiko HunoldPatrick MetzlerStefan Schrader
    • Ingo Klaus Michael DreherHeiko HunoldPatrick MetzlerStefan Schrader
    • B41J1308
    • B41F33/0081B41P2233/52
    • Determining and correcting registration errors, which are caused by the rotational speed of a print cylinder changing because of a sheet passing between the print cylinder and a sheet transport conveyor belt. At least one first registration mark is applied onto the conveyor belt prior to a sheet being transported thereby, and at least one second registration mark is applied onto the conveyor belt after the transported sheet. By the detection of the first registration mark and the second registration mark, a calculation of a timing number between the detection of the first registration mark and the second registration mark can be made. The calculated timing number is compared to a target value to determine any error due to change in angular velocity of the print cylinder due to engagement with the sheet.
    • 确定和校正由于印刷滚筒和片材输送带之间的片材通过而改变的印刷滚筒的转速引起的配准误差。 在传送片材之前,至少将一个第一登记标记施加到传送带上,并且在传送的片材之后,至少一个第二对准标记被施加到传送带上。 通过检测第一登记标记和第二登记标记,可以进行第一登记标记的检测与第二登记标记之间的定时编号的计算。 将计算的定时数与目标值进行比较,以确定由于与片接合而导致的打印滚筒的角速度变化引起的任何误差。
    • 5. 发明授权
    • Method for detecting errors in individual color separation images of a multi-color printing machine
    • 用于检测多色印刷机的各色分离图像中的错误的方法
    • US08625159B2
    • 2014-01-07
    • US12934736
    • 2009-01-22
    • Jan D. BonessIngo K. DreherHeiko HunoldRalf JachmannRalph PetersenFrank PierelStefan SchraderMatthias WeckerTim D'Avis
    • Jan D. BonessIngo K. DreherHeiko HunoldRalf JachmannRalph PetersenFrank PierelStefan SchraderMatthias WeckerTim D'Avis
    • G06K15/22H04N1/00H04N1/60H04N1/21G03G15/00G03G15/01
    • G03G15/0194G03G15/161G03G15/5054G03G2215/00059G03G2215/0161
    • 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.
    • 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。
    • 8. 发明授权
    • Method and apparatus for setting registration in a printing machine
    • 用于在印刷机中设定配准的方法和装置
    • US06532873B2
    • 2003-03-18
    • US09858208
    • 2001-05-15
    • Heiko HunoldRalph PetersenPatrick Metzler
    • Heiko HunoldRalph PetersenPatrick Metzler
    • B41F154
    • G03G15/0194G03G2215/00721G03G2215/0119G03G2215/0161
    • Setting registration, with detection of the entry of a printing substrate (2) into a printing machine (1) and calculation of the beginning of digital production of color separations (3, 3′, 3″, 3′″) to achieve an in-register position of the color separation prints (4, 4′, 4″, 4′″) on a printing substrate (2). This is achieved by the printing substrate (2) being detected before it enters the printing machine (1) and, following this detection, the relative positions of the color separations (3, 3′, 3″, 3′″) being calculated, and by precise detection of the leading edge (5) of the printing substrate (2) being performed as it enters the printing machine (1) and being made the basis for determining the starts of the production of the color separations (3, 3′, 3″, 3′″), their relative position having been precalculated.
    • 通过检测打印基板(2)进入打印机(1)并计算分色(3,3',3“,3”)的数字制作的开始,进行设置对准,以实现 在打印衬底(2)上的分色打印件(4,4',4“,4”')的对准位置。 这是通过在其进入打印机(1)之前被检测的打印基板(2)实现的,并且在该检测之后,分色(3,3',3“,3”')的相对位置为 并且通过精确检测印刷基板(2)进入打印机(1)时执行的前缘(5),并作为确定分色开始的基础(3, 3',3“,3”'),它们的相对位置已被预先计算。