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发明授权
CN106364161B 头单元、控制单元、液体喷出装置及其控制方法 有权

头单元、控制单元、液体喷出装置及其控制方法
摘要：
本发明提供种提高油墨的喷出状态的判断精度的头单元、控制单元、液体喷出装置及其控制方法。控制部(110)生成喷出控制数据和对放大部(540)的放大率进行规定的增益数据(Gt0~Gt2)并进行输出,驱动信号生成部(120)生成包含有对喷出部进行驱动的多个波形的驱动信号并进行输出,喷出部通过驱动信号中所包含的多个波形之中的、由所述喷出控制数据所指定的波形的施加而喷出液体,作为残留振动检测部而发挥功能的致动器(Pzt)在喷出部通过驱动信号而被驱动之后,对该喷出部的残留振动进行检测,从并输出表示该残留振动的残留振动信号,放大部(540)以由增益数据所规定的放大率而将残留振动信号放大并输出。
摘要（英）：

A liquid discharge apparatus includes a control unit; and a head unit, in which the control unit includes a data generation unit, and a drive signal generation unit, the head unit includes a discharge unit, residual vibration detection unit, and an amplification unit, the data generation unit generates and outputs discharge control data for controlling discharge of liquid and gain data for defining an amplification rate of an amplification unit, the drive signal generation unit generates and outputs a drive signal including a plurality of waveforms, the discharge unit discharges the liquid by applying a waveform assigned by the discharge control data among the plurality of waveforms, the residual vibration detection unit detects residual vibration of the discharge unit and outputs a residual vibration signal, and the amplification unit amplifies the residual vibration signal with the amplification rate defined by the gain data and outputs the amplified signal.

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