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    • 6. 发明公开
    • Tape drive and printing apparatus
    • 磁带机和打印设备
    • EP1852267A3
    • 2008-06-11
    • EP07012471.4
    • 2001-09-05
    • Zipher Limited
    • McNestry, MartinBuxton, KeithHart, Philip
    • B41J33/36B41J33/54G01B11/10
    • B41J2/325B41J33/00B41J33/14B41J33/16B41J33/34B41J33/36B41J33/54B65H23/1806B65H2220/09B65H2555/26B65H2701/372G01B11/08
    • A printing apparatus comprising a printhead, a printing ribbon drive mechanism for advancing a printing ribbon between the printhead and a path along which in use a substrate to be printed is advanced, means for applying the printhead to a ribbon supported in the drive mechanism, the printhead comprising an array of printing elements each of which may be selectively energised to release ink from a portion of ribbon contacted by that element, and a controller for controlling energisation of the printing elements and the advance of the ribbon so as to perform a series of printing cycles each of which includes a printing phase during which relative movement between the printhead and ribbon results in the printhead traversing a predetermined length of ribbon and a non-printing phase during which the ribbon is advanced a predetermined distance relative to the printhead. The controller is arranged selectively to energise different groups of printing elements during successive printing cycles, the groups of elements being distributed on the printhead such that different groups contact different portions of the ribbon. The controller is arranged to advance the ribbon such that the said predetermined distance of ribbon advance is less than the said predetermined length of ribbon, the groups of printing elements being energised such that the ribbon is advanced by at least said predetermined length of ribbon in the interval between any two printing phases in which the same group of printing elements are energised.
    • 一种打印设备,包括打印头,用于使打印带在打印头和使用中待打印的基板沿其前进的路径之间前进的打印色带驱动机构,用于将打印头施加到支撑在驱动机构中的色带的装置, 打印头,其包括打印元件的阵列,每个打印元件可以被选择性地激励以从与该元件接触的带的一部分释放墨,以及控制器,用于控制打印元件的激励和带的前进以执行一系列 每个打印周期包括打印阶段和非打印阶段,在打印阶段期间打印头和色带之间的相对移动导致打印头横过预定长度的色带,在打印阶段期间色带相对于打印头前进预定距离。 控制器被选择性地设置成在连续的打印循环期间激励不同组的打印元件,这些元件组分布在打印头上,使得不同的组接触带的不同部分。 控制器布置成推进色带,使得色带前进的所述预定距离小于所述预定长度的色带,这些打印元件组被激励,使得色带至少在所述预定长度的色带中前进 在同一组打印元件通电的任何两个打印阶段之间的间隔。