| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a liquid discharge device capable of efficiently discharging liquid.SOLUTION: The liquid discharge device comprises: a discharge channel 45A that is filled with liquid and has a discharge hole 43A; a first pressure changing portion 61 that resonates a pressure wave vibration in the liquid of the discharge channel 45A by vibration; and a second pressure changing portion that changes pressure of the liquid in the discharge channel 45A on the basis of peak of the pressure wave vibration, and controls whether or not the liquid is discharged from the discharge channel 45A.</p> |
