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    • 80. 发明申请
    • Print engine with pipeline decoding
    • 打印引擎与流水线解码
    • US20040174545A1
    • 2004-09-09
    • US10713075
    • 2003-11-17
    • Silverbrook Research Pty Ltd
    • Simon Robert WalmsleyPaul Lapstun
    • G06F003/12H04N001/64H04N001/52
    • G06F3/1208G06F3/1213G06F3/1277G06F3/1282
    • A print engine/controller (10) configured to be coupled with others to drive an ink drop printhead (33). It has an interface (27) at which to receive compressed page data. Image decoders (28, 88) decode compressed image planes image decoders to perform an expansion, in pipeline fashion, for the received compressed page data. A half-toner/compositer (29) composites respective strips of the decoded image planes and sends output to a printhead interface (32). A printhead interface (32) interfaces with the printhead. A synchronization signal generator (89,90) may output a synchronization signal that is used to synchronize print engine/controllers. One printhead interface (32) preferably acts as master generating the synchronization signal to synchronize all the print engine/controllers to drive the printhead at any one or more of higher speed, higher input resolution, higher outlet resolution or wider format. The half-toner/compositor (29) scales input image planes under control of a margin unit (57) set the print engine/controller to establish print data for a strip only of the image, the image being built from the respective strips from the multiple print engine/controllers.
    • 打印引擎/控制器(10),被配置为与其他装置相连以驱动墨滴打印头(33)。 它具有用于接收压缩页面数据的接口(27)。 图像解码器(28,88)解码压缩图像平面图像解码器,以流水线方式对接收到的压缩页面数据进行扩展。 半色调/合成器(29)复合各个解码图像平面的条,并将输出发送到打印头接口(32)。 打印头接口(32)与打印头接口。 同步信号发生器(89,90)可以输出用于同步打印引擎/控制器的同步信号。 优选地,一个打印头接口(32)充当主产生同步信号以同步所有打印引擎/控制器以以更高速度,更高输入分辨率,更高出口分辨率或更宽格式的任何一个或多个来驱动打印头。 半色调/合成器(29)在边缘单元(57)的控制下缩放输入图像平面,设置打印引擎/控制器以建立仅用于图像的条带的打印数据,该图像是从相应的条带 多个打印引擎/控制器。