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    • 9. 发明授权
    • Calibration method in ink jet printing apparatus
    • 喷墨打印设备中的校正方法
    • US06761426B2
    • 2004-07-13
    • US10173600
    • 2002-06-19
    • Okinori TsuchiyaShigeyasu Nagoshi
    • Okinori TsuchiyaShigeyasu Nagoshi
    • B41J29393
    • B41J29/393
    • For calibration, a patch pattern is printed which enables patches to be measured while precisely reducing the adverse effects of a variation in patch pattern density resulting from a variation in movement speed or temperature of a printing head. Specifically, dummy patches that are not measured are printed on the periphery of measured patches. The dummy patches are printed by ejecting ink through all ejection openings in the printing head. Then, an increased dye concentration of ink is discharged from the printing head. Further, at the ends of a scanning range, at which the dummy patches are printed, the movement speed of the printing head varies significantly. Accordingly, the measured patches can be printed while the speed remains stable.
    • 对于校准,印刷补片图案,其能够测量斑块,同时精确地减少由于打印头的移动速度或温度的变化引起的斑块图案密度变化的不利影响。 具体地说,未测量的虚拟贴片印在测量的贴片的周围。 通过将打印头中的所有喷射口喷射墨来打印虚拟贴片。 然后,从印刷头排出增加的油墨浓度。 此外,在打印虚拟贴片的扫描范围的末端,打印头的移动速度显着变化。 因此,可以在速度保持稳定的情况下打印所测量的贴片。