Invention Grant
US08208174B2 Reduction of pitch errors between points of a print image 有权
降低打印图像的点之间的间距误差

Reduction of pitch errors between points of a print image
Abstract:
In a method and printing device, a deviation from a predetermined desired pitch that occurs between at least two points of at least one print image in a print direction is reduced. In a printing step, the at least one print image is generated on a substrate with at least one print head of the printing device with a relative movement between the at least print head and the substrate. In a determination step preceding the printing step, an initial deviation from a desired pitch between the two points is determined first and correction information to reduce the deviation is determined from the determined initial deviation. In the printing step, control signals for the at least one print head are generated depending on the correction information to generate the at least one print image. A variable delay of at least one of the control signals is predetermined by the correction information.
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