Liquid discharge system, server, and control method of liquid discharge system
AssigneeSeiko Epson Corporation
InventorToshimichi Yamada
Life of this patent
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Abstract
A liquid discharge system including a piezoelectric element that is displaced in accordance with a drive signal and discharges liquid; a drive signal output circuit that outputs the drive signal; a measurement circuit that measures a first capacitance of the piezoelectric element; and a determination circuit that determines a deterioration state of the piezoelectric element based on the first capacitance.
Claims7
A liquid discharge system comprising:
- a piezoelectric element that is displaced based on a drive signal and discharges liquid;
- a drive signal output circuit that outputs the drive signal;
- a measurement circuit that measures a first capacitance of the piezoelectric element;
- a determination circuit that determines a deterioration state of the piezoelectric element based on the first capacitance;
- a life estimation circuit that estimates a life of the piezoelectric element based on the deterioration state and generates a life notification signal including information on an estimated life of the piezoelectric element to notify a user that the piezoelectric element will reach an end of the life of the piezoelectric element, or that the piezoelectric element has already reached the end of the life of the piezoelectric element;
- a control circuit that generates, based on the life notification signal, a notification signal that notifies the user that the piezoelectric element will reach the end of the life of the piezoelectric element, or that the piezoelectric element has already reached the end of the life of the piezoelectric element, and that outputs the notification signal;
- and
- a notification section that provides the user with a notification of information on the life of the piezoelectric element based on the notification signal.
A server configured to communicate with a liquid discharge apparatus including a piezoelectric element that is displaced based on a drive signal and discharges liquid, the server comprising:
- a reception section that receives capacitance information including a capacitance of the piezoelectric element measured by a measurement circuit;
- a determination circuit that determines a deterioration state of the piezoelectric element based on the capacitance information;
- a life estimation circuit that estimates a life of the piezoelectric element based on the deterioration state and generates a life notification signal including information on an estimated life of the piezoelectric element to notify a user that the piezoelectric element will reach an end of the life of the piezoelectric element, or that the piezoelectric element has already reached the end of the life of the piezoelectric element;
- and
- a transmission section that transmits the life notification signal.
A control method of a liquid discharge system including a piezoelectric element that is displaced based on a drive signal and discharges liquid, and a drive signal output circuit that outputs the drive signal, the control method comprising:
- measuring a capacitance of the piezoelectric element;
- determining a deterioration state of the piezoelectric element based on the capacitance;
- estimating a life of the piezoelectric element based on the deterioration state, and generating a life notification signal including information on an estimated life of the piezoelectric element to notify a user that the piezoelectric element will reach an end of the life of the piezoelectric element, or that the piezoelectric element has already reached the end of the life of the piezoelectric element;
- generating, based on the life notification signal, a notification signal that notifies the user that the piezoelectric element will reach the end of the life of the piezoelectric element, or that the piezoelectric element has already reached the end of the life of the piezoelectric element, and outputting the notification signal;
- and
- providing the user with a notification of information on the life of the piezoelectric element based on the notification signal.
Dependencies are inferred from the claim text.