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    • 7. 发明授权
    • Liquid ejection method, head and apparatus in which an amount of liquid ejected is controlled
    • 液体喷射方法,头部和其中喷射的液体量被控制的装置
    • US06252616B1
    • 2001-06-26
    • US08872627
    • 1997-06-09
    • Takeshi OkazakiToshio KashinoHiroshi TajikaKouichi OmataAya YoshihiraKiyomitsu KudoMasao KatoYoshie AsakawaHitoshi Tsuboi
    • Takeshi OkazakiToshio KashinoHiroshi TajikaKouichi OmataAya YoshihiraKiyomitsu KudoMasao KatoYoshie AsakawaHitoshi Tsuboi
    • B41J205
    • B41J2/04528B41J2/04563B41J2/0458B41J2/04588B41J2/04591B41J2/04593B41J2/04598B41J2/14024B41J2/14048B41J2/14056B41J2202/21
    • A liquid ejection method involves supplying liquid along a heat generating element disposed along a flow path from upstream of the heat generating element, applying heat generated by the heat generating element to the thus supplied liquid to generate a bubble, thus moving a free end of a movable member having the free end adjacent the ejection outlet side by pressure produced by the bubble, the movable member facing the heat generating element, supplying, to a heat generating element for applying thermal energy to the bubble generating region, a driving pulse divided into a first pulse and an adjacent second pulse with interval time therebetween, pre-heating the liquid by the first pulse to an extent insufficient to eject liquid through the ejection outlet, and generating a bubble by heating the liquid by the second pulse to eject the liquid through the ejection outlet. The method also includes ejecting liquid in an amount determined by controlling a degree of pre-heating of the liquid by changing at least one of a width of the first pulse or the interval time. The change rate of the ejection amount of the liquid increases non-linearly with an increase of the width of the first pulse or an increase of the interval time period. Recording heads and apparatuses control the ejection amount of liquid in like manner.
    • 液体喷射方法包括沿着沿着流动路径从发热元件的上游设置的发热元件供应液体,将由发热元件产生的热量施加到如此供应的液体以产生气泡,从而使自由端 可移动构件,其具有通过由气泡产生的压力而邻近喷射出口侧的自由端,可动构件面向发热元件,供应到用于向气泡发生区域施加热能的发热元件,分配为 第一脉冲和相邻的第二脉冲之间具有间隔时间,通过第一脉冲将液体预加热到不足以通过喷射出口喷射液体的程度,并且通过用第二脉冲加热液体产生气泡以将液体通过 喷出口。 该方法还包括以通过改变第一脉冲的宽度或间隔时间中的至少一个来控​​制液体的预热程度而确定的量来喷射液体。 随着第一脉冲的宽度的增加或间隔时间的增加,液体的喷射量的变化率非线性地增加。 记录头和装置以类似的方式控制液体的喷射量。