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    • 9. 发明授权
    • Control method of and control device for controlling liquid ejection head, and liquid ejecting apparatus
    • 用于控制喷液头和控制装置的控制方法和液体喷射装置
    • US09073373B2
    • 2015-07-07
    • US13563631
    • 2012-07-31
    • Koji TakanoNaoki YonekuboKinya Ozawa
    • Koji TakanoNaoki YonekuboKinya Ozawa
    • B41J29/38B41J2/045
    • B41J29/38B41J2/04581B41J2/04588
    • A drive signal includes a first drive signal and a second drive signal. The first drive signal includes a prior pulse section including a first contraction element and a discharging pulse section including a first expansion element pulling in a meniscus and the second contraction element discharging a droplet of liquid from the nozzle orifice. The second drive signal includes the discharging pulse section and a vibration control pulse section including a second expansion element controlling a residual vibration of the meniscus. A piezoelectric element is driven with the first drive signal when viscosity of the liquid is equal to or more than a first set value and is driven with the second drive signal when the viscosity is equal to or less than a second set value.
    • 驱动信号包括第一驱动信号和第二驱动信号。 第一驱动信号包括包括第一收缩元件和放电脉冲部分的先前脉冲部分,该放电脉冲部分包括拉入弯月面的第一膨胀元件,而第二收缩元件从喷嘴孔排出液滴。 第二驱动信号包括放电脉冲部分和包括控制弯液面的残余振动的第二膨胀元件的振动控制脉冲部分。 当液体的粘度等于或大于第一设定值时,用第一驱动信号驱动压电元件,当粘度等于或小于第二设定值时,用第二驱动信号驱动压电元件。