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    • 47. 发明授权
    • Method of and an arrangement for calibrating a color copying apparatus
    • 用于校准彩色复印设备的方法和装置
    • US4464045A
    • 1984-08-07
    • US385923
    • 1982-06-07
    • Gunter FindeisBerthold FerggWolfgang ZahnGerhard Kuhn
    • Gunter FindeisBerthold FerggWolfgang ZahnGerhard Kuhn
    • G03G15/01G03B27/73G03G13/01G03B27/80
    • G03B27/73
    • A color copying apparatus having a photoelectric color exposure control device is calibrated by making a copy of a calibrating original, which includes a gray stepped wedge, on a photographic copying material using an exposure determined by the photoelectric color exposure control device and assumed to be proper for achieving the desired density values in the developed image of the calibrating original. The density of the developed image of the gray stepped wedge is then measured in order to obtain actual density values, which are compared with corresponding desired density values. Finally, the photoelectric color exposure control device is adjusted for achieving the required exposure correction as determined during the comparison of the actual and desired values. The calibration is performed for each of the individual values so that correction of the control device is also achieved for each of the corresponding colors.
    • 具有光电颜色曝光控制装置的彩色复印装置通过使用由光电颜色曝光控制装置确定的曝光并且假定为适当的方式将包括灰阶梯形楔的校准原稿的副本制成在照相复印材料上来校准 用于在校准原件的显影图像中实现所需的密度值。 然后测量灰阶梯楔的显影图像的密度,以便获得与相应的期望密度值进行比较的实际密度值。 最后,调整光电颜色曝光控制装置以实现在实际和期望值的比较期间确定的所需曝光校正。 对于每个单独的值执行校准,使得对于每个相应的颜色也实现了控制装置的校正。
    • 49. 发明授权
    • Ionographic chamber
    • 离子室
    • US4066896A
    • 1978-01-03
    • US686801
    • 1976-05-13
    • Gerhard KuhnKarl UblerKarl-Hans Reiss
    • Gerhard KuhnKarl UblerKarl-Hans Reiss
    • G03G15/054G03B41/16
    • G03G15/0545
    • An ionography chamber with spherically curved electrodes, in which an electrically insulating sheet is located between the spherically curved electrodes and covers one of these electrodes. The covered electrode has an uneven shape near its edge, and a gas is admitted into a space between the sheet and the other electrode. The uneveness of one of the electrodes is in the form of a groove running along the edge of the electrode, or a rib attached along the edge of the electrode. A pressure difference is generated for the purpose of pressing the sheet against the electrode with the uneven shape. The pressure difference causes the sheet to be tightly bonded to the respective electrode.
    • 具有球形弯曲电极的电离室,其中电绝缘片位于球形弯曲电极之间并覆盖这些电极之一。 被覆电极在其边缘附近具有不均匀的形状,并且气体进入片与另一电极之间的空间。 其中一个电极的不均匀性是沿电极边缘延伸的凹槽的形式,或沿电极边缘附着的肋。 产生压差,以将片材压在不均匀形状的电极上。 压力差导致片材与各个电极紧密结合。