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    • 3. 发明申请
    • Printing apparatus, control method therefor, printhead control circuit, and printhead driving method
    • 打印装置,其控制方法,打印头控制电路和打印头驱动方法
    • US20050122373A1
    • 2005-06-09
    • US11002949
    • 2004-12-03
    • Takuji KatsuToru NakayamaYuji HamasakiNorihiro KawatokoAtsushi Sakamoto
    • Takuji KatsuToru NakayamaYuji HamasakiNorihiro KawatokoAtsushi Sakamoto
    • B41J2/01B41J2/165
    • B41J2/16526
    • A printhead has a common liquid chamber which receives a liquid, a plurality of main nozzles which align at a predetermined interval on the two sides of the common liquid chamber along the longitudinal direction of the common liquid chamber and used for printing, a plurality of dummy nozzles which align on the two sides of the main nozzles along their array direction and are not used for printing, and a plurality of liquid chambers which communicate with the common liquid chamber while the main and dummy nozzles are open in the liquid chambers. A printing apparatus which drives and controls the printhead for discharging a liquid from the main nozzles and printing on a printing medium includes a toggle preliminary discharge data generation block (77) which alternately switches between the main nozzles and the dummy nozzles every column serving as the driving cycle of all nozzles for the main nozzles and the dummy nozzles. Toggle preliminary discharge operation of alternately performing discharge from the main nozzles and the dummy nozzles every column is executed and controlled as preliminary discharge operation of performing preliminary discharge from the main nozzles and the dummy nozzles by using the toggle preliminary discharge data generation block (77) in order to make a good state of the discharge state of the liquid from the main nozzles.
    • 打印头具有接收液体的公共液体室,沿着公共液体室的纵向方向以公共液体室的两侧以预定间隔排列并用于印刷的多个主喷嘴,多个虚拟 在主喷嘴的排列方向两侧排列并不用于印刷的喷嘴,以及在液体室中主喷嘴和虚拟喷嘴打开时与公共液室连通的多个液室。 驱动和控制打印头以从主喷嘴排出液体并在打印介质上进行打印的打印设备包括一个切换预备排放数据生成块(77),其在主喷嘴和虚拟喷嘴之间交替地切换,每列用作 用于主喷嘴和虚拟喷嘴的所有喷嘴的驱动循环。 执行并控制从每个列的主喷嘴和虚拟喷嘴交替执行排出的预排气操作,并且通过使用肘节预排出数据生成块(77)从主喷嘴和虚拟喷嘴执行预排出的预排出操作进行控制, 以使来自主喷嘴的液体的排出状态良好。
    • 5. 发明授权
    • Apparatus and method for driving first and second nozzle arrays
    • 用于驱动第一和第二喷嘴阵列的装置和方法
    • US07959246B2
    • 2011-06-14
    • US11610149
    • 2006-12-13
    • Yuji HamasakiTakuji KatsuOsamu IwasakiNorihiro KawatokoAtsushi Sakamoto
    • Yuji HamasakiTakuji KatsuOsamu IwasakiNorihiro KawatokoAtsushi Sakamoto
    • B41J29/38B41J2/145
    • B41J2/2125B41J2/1404B41J2002/14475
    • A printing apparatus prints on a printing medium by using a printhead which has a first nozzle array including a plurality of nozzles from which a first nozzle amount of the ink is discharged and a second nozzle array including a plurality of nozzles from which a second nozzle amount of the ink is discharged. This printing apparatus time-divisionally drives a plurality of blocks obtained by dividing each of the first nozzle array and the second nozzle array. The printing apparatus selects, from the first nozzle array and the second nozzle array, a block to be driven by the driving unit within a predetermined period. This printing apparatus controls the selection unit to alternately select a block from the first nozzle array and the second nozzle array and sequentially select a block from each nozzle array in a predetermined order.
    • 打印装置通过使用具有第一喷嘴阵列的打印头在打印介质上打印,所述第一喷嘴阵列包括排出第一喷嘴量的多个喷嘴,以及包括多个喷嘴的第二喷嘴阵列,第二喷嘴数量从第二喷嘴数量 的墨水被排出。 该打印装置分时地驱动通过分割第一喷嘴阵列和第二喷嘴阵列而获得的多个块。 打印装置在预定时间内从第一喷嘴阵列和第二喷嘴阵列中选择要由驱动单元驱动的块。 该打印装置控制选择单元从第一喷嘴阵列和第二喷嘴阵列交替地选择块,并且以预定顺序顺序地从每个喷嘴阵列选择块。