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    • 1. 发明申请
    • LIQUID EJECTING APPARTAUS AND LIQUID EJECTING METHOD
    • 液体喷射和液体喷射方法
    • US20090278877A1
    • 2009-11-12
    • US12437687
    • 2009-05-08
    • Satoshi KIMURANoriaki YAMASHITA
    • Satoshi KIMURANoriaki YAMASHITA
    • B41J29/38
    • B41J29/38B41J2/04581B41J2/04588B41J2/04596B41J2/04598
    • A liquid ejecting apparatus includes pressure chambers that communicate with nozzles and an element that varies liquid pressure inside the pressure chamber in accordance with variation in a potential. An ejection pulse generating unit generates a first ejection pulse applied to the element upon ejecting first liquid droplets from the nozzles and a second ejection pulse applied to the element upon ejecting subsequent, second ejection droplets. The first ejection pulse excites the liquid inside the pressure chamber to pressure vibration and then allows the element to eject liquid droplets from the nozzles when the pressure of the liquid inside the pressure chamber reaches a predetermined pressure. The second ejection pulse excites the liquid to pressure vibration and then allows the element to eject the liquid droplets from the nozzles at certain time when the pressure of the liquid becomes lower than the predetermined pressure.
    • 液体喷射装置包括与喷嘴连通的压力室和根据电位的变化改变压力室内的液体压力的元件。 喷射脉冲发生单元在从喷嘴喷射第一液滴时产生施加到元件的第一喷射脉冲,以及在喷射随后的第二喷射液滴时施加到元件的第二喷射脉冲。 第一喷射脉冲激发压力室内的液体以进行压力振动,然后当压力室内液体的压力达到预定压力时,允许元件从喷嘴喷射液滴。 第二喷射脉冲激发液体进行压力振动,然后允许元件在液体的压力变得低于预定压力的特定时间从喷嘴喷射液滴。