LIQUID DISCHARGE DEVICE

To provide a technology capable of correcting a discharge drive waveform for each discharge part and supplying it.SOLUTION: A liquid discharge device includes: a first discharge part; a common drive signal generation part constituted so as to generate a common drive signal which includes a pressure generation pulse including a first element for maintaining a first potential, a second element for maintaining a second potential different from the first potential and arranged behind the first element, and a third element for maintaining a third potential different from the second potential and arranged behind the second element; a selection control signal generation part constituted so as to generate a selection control signal including a first pulse and a second pulse arranged behind the first pulse, in a period corresponding to the second element of the pressure generation pulse; and a drive waveform selection part constituted so as to supply the second potential of the second element of the pressure generation pulse to a pressure generation element of the first discharge part, at the generation timing of the pulse selected from the first pulse and the second pulse of the selection control signal.SELECTED DRAWING: Figure 1 【課題】吐出部毎に吐出駆動波形を補正して供給することが可能な技術を提供する。【解決手段】液体吐出装置は、第１吐出部と、第１電位を維持する第１要素と、第１電位とは異なる第２電位を維持し第１要素より後に配置される第２要素と、第２電位とは異なる第３電位を維持し第２要素より後に配置される第３要素と、を含む圧力発生パルスを備える共通駆動信号を生成するように構成される共通駆動信号生成部と、圧力発生パルスの第２要素に対応する期間内に、第１パルスと第１パルスより後に配置される第２パルスとを含む選択制御信号を生成するように構成される選択制御信号生成部と、選択制御信号の第１パルスおよび第２パルスから選択されたパルスの発生タイミングで、圧力発生パルスの第２要素の第２電位を第１吐出部の圧力発生素子へ供給するように構成される駆動波形選択部と、を備える。【選択図】図１