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    • 6. 发明授权
    • Tuned entrance fang configuration for ink-jet printers
    • 针对喷墨打印机调整入口方式配置
    • US5519423A
    • 1996-05-21
    • US272721
    • 1994-07-08
    • Jules G. Moritz, IIIKenneth TruebaWilliam Knight
    • Jules G. Moritz, IIIKenneth TruebaWilliam Knight
    • B41J2/05B41J2/14B41J2/15B41J2/16
    • B41J2/1404B41J2/14145B41J2/15B41J2002/14387
    • A thermal ink-jet pen which includes a tuned printhead for ejecting droplets of ink onto a print medium is provided. The printhead comprises (a) a plurality of resistive elements, (b) a plurality of nozzles through which the droplets of ink are ejected, (c) a plurality of drop ejection chambers, (d) a plurality of ink feed channels, each provided with an entrance defined by a pair of projections on either side thereof, and (e) an ink refill slot operatively associated with the plurality of ink feed channels, the ink refill slot defined by an edge to provide a shelf from the edge to the ink feed channels. The plurality of resistive elements is divided into sets, with each resistive element staggered a different distance from the edge. Each ink feed channel within a set is provided with a different critical dimension value, the critical dimension comprising at least one selected from the group consisting of (1) width of entrance to channel, (2) width of the channel, (3) length of the channel, and (4) distance of the resistive element to the terminus of the channel. The critical dimension is related to distance of the resistive element from the edge. By providing each set of resistive elements with different widths, the damping of the pen is improved and all the nozzles have substantially the same refill speed.
    • 提供一种热喷墨笔,其包括用于将墨滴喷射到打印介质上的调谐打印头。 打印头包括(a)多个电阻元件,(b)多个喷嘴,喷墨墨滴通过该喷嘴,(c)多个墨滴喷射室,(d)多个墨供给通道, 具有由其任一侧上的一对突起限定的入口,和(e)与多个供墨通道可操作地相关联的墨补充槽,由边缘限定的墨补充槽,以从边缘向墨提供搁板 饲料渠道。 多个电阻元件被分成几组,每个电阻元件与边缘交错不同的距离。 一组中的每个供墨通道具有不同的临界尺寸值,临界尺寸包括选自以下的至少一个:(1)通道的入口宽度,(2)通道的宽度,(3)长度 ,(4)电阻元件到通道末端的距离。 临界尺寸与电阻元件与边缘的距离有关。 通过提供具有不同宽度的每组电阻元件,改善了笔的阻尼,并且所有喷嘴具有基本上相同的再填充速度。