| 主权项 |
1. A liquid ejection device comprising:
a head unit including a plurality of nozzle units each having a plurality of nozzles configured and arranged to eject liquid; and a control unit configured to control ejection of the liquid, the control unit including
a driving signal generating portion configured to create a driving signal having at least one wave portion for ejecting the liquid from the nozzles,a control signal generating portion configured to create plural types of original control signals including an original latching signal for controlling a timing of the ejection of the liquid from the nozzles and an original printing data signal for controlling ejection or non-ejection of the liquid,a signal converting portion configured to convert the plural types of the original control signals into a single serial control signal having a serial form,a driving signal transmitting portion configured to transmit the driving signal to the head unit in an analog form, anda control signal transmitting portion configured to transmit the serial control signal to the head unit in the serial form, the head unit including
a driving signal receiving portion configured to receive the driving signal from the control unit,a control signal receiving portion configured to receive the serial control signal from the control unit, anda signal restoring portion configured to create plural types of restored control signals to be input to the nozzle units from the serial control signal received, the restored control signals including a restored latching signal for controlling the timing of the ejection of the liquid from the nozzles and a restored printing data signal for controlling ejection or non-ejection of the liquid, and the nozzles being configured and arranged to eject the liquid based on the driving signal, the restored latching signal, and the restored printing data signal. |
