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    • 19. 发明授权
    • Printhead assembly with shift register stages facilitating cleaning of printhead nozzles
    • 具有移位寄存器级的打印头组件,便于清洁打印头喷嘴
    • US06712451B2
    • 2004-03-30
    • US10091320
    • 2002-03-05
    • David S. MadziarzDavid A. JohnsonThomas P. SzumlaManh Tang
    • David S. MadziarzDavid A. JohnsonThomas P. SzumlaManh Tang
    • B41J214
    • B41J2/04541B41J2/03B41J2/0455B41J2/0458B41J2/14072B41J2/145B41J2002/022
    • An inkjet printhead assembly (50) for an inkjet printer having a printhead (10) with a plurality of nozzles (24) and data path and control electronics circuitry (56) operably coupled with the printhead (10) for providing image data that control the flow of ink through the nozzles (24). The nozzles (24) are arranged in sections with actuators (28a, 28b) predisposed about each nozzle (24), for causing the nozzles (24) to print. Interconnections (54) between the data path and control electronics circuitry (56) and printhead (10) include DATA, CLOCK, LATCH and ENABLE lines which are used to operate the printhead (10) and, in turn, the nozzles (24) via shift register stages (228). The actuators (28a, 28b) are supported by the shift register stages (228) into which data is shifted from register stage to register stage for loading data that enables the actuators (28a, 28b). The shift registers stages (228) for all actuators (28a, 28b) are located to one side of the print head (10) to facilitate cleaning of the nozzles (24).
    • 一种用于喷墨打印机的喷墨打印头组件(50),其具有与打印头(10)可操作地耦合的具有多个喷嘴(24)和数据路径和控制电子电路(56)的打印头(10),用于提供控制 墨水通过喷嘴(24)流动。 喷嘴(24)被布置成具有围绕每个喷嘴(24)倾向的致动器(28a,28b),用于使喷嘴(24)打印。 数据路径与控制电子电路(56)与打印头(10)之间的互连(54)包括用于操作打印头(10)的DATA,CLOCK,LATCH和ENABLE线,并且依次通过喷嘴(24)经由 移位寄存器级(228)。 致动器(28a,28b)由移位寄存器级(228)支持,数据从寄存器级移位到寄存器级,用于加载使致动器(28a,28b)能够执行的数据。 用于所有致动器(28a,28b)的移位寄存器级(228)位于打印头(10)的一侧,以便于清洁喷嘴(24)。