Patent ID: 9022498
Filing Date: 2015-05-05
Classification: B41J

Abstract:
1. A liquid discharging apparatus comprising: a first discharge portion group including a plurality of discharge portions that each include a nozzle that discharges a liquid; a pressure chamber that communicates with the nozzle; and piezoelectric element which is provided for each pressure chamber and causes liquid droplets to be discharged from the nozzle by charging and discharging according to a first driving signal; a second discharge portion group including a plurality of discharge portions that each include a nozzle that discharges a liquid, a pressure chamber that communicates with the nozzle; and a piezoelectric element which is provided for each pressure chamber and causes liquid droplets to be discharged from the nozzle by charging and discharging according to a second driving signal; a first driving signal generator that generates the first driving signal from a control signal according to characteristics of the first discharge portion group; a second driving signal generator that generates the second driving signal from a control signal according to characteristics of the second discharge portion group; and a control signal supply portion that supplies a common control signal to the first driving signal generator and the second driving signal generator.