Patent ID: 9346264
Filing Date: 2016-05-24
CPC Classification: B41J,H03K

Claim Text:
1. A liquid discharge apparatus comprising: a discharge section including a nozzle configured and arranged to discharge a liquid, a pressure chamber in communication with the nozzle, and a piezoelectric element provided for the pressure chamber; a charge supply source; a first signal path through which a first voltage is applied by the charge supply source; a second signal path through which a second voltage higher than the first voltage is applied by the charge supply source; a control signal generation section configured to supply a control signal; and a connection path selection section configured to use the first signal path or the second signal path to electrically connect the piezoelectric element and the charge supply source in accordance with a voltage of the control signal and a holding voltage of the piezoelectric element, the charge supply source being arranged and configured to supply voltage to the connection path selection section.