发明名称 |
Liquid ejecting apparatus and method for controlling thereof |
摘要 |
A liquid ejecting apparatus includes: a liquid ejecting head having a pressure generation chamber in which a liquid is charged, a pressure generation unit which generates pressure change in the liquid inside the pressure generation chamber with supply of a driving signal, and a nozzle opening which ejects the liquid inside the pressure generation chamber according to the pressure change; and a control unit which has an expansion element expanding the pressure generation chamber and a contraction element contracting the pressure generation chamber, and supplies a micro-vibration driving signal to a piezoelectric element so as to generate the micro-vibration of the liquid to the inside of the pressure generation chamber without ejecting the liquid from the nozzle opening, wherein the micro-vibration driving signal is formed so that the inclination of the expansion element is greater than the inclination of the contraction element. |
申请公布号 |
US8789930(B2) |
申请公布日期 |
2014.07.29 |
申请号 |
US201313761619 |
申请日期 |
2013.02.07 |
申请人 |
Seiko Epson Corporation |
发明人 |
Zhang Junhua |
分类号 |
B41J2/045;B41J2/04 |
主分类号 |
B41J2/045 |
代理机构 |
Harness, Dickey & Pierce, P.L.C. |
代理人 |
Harness, Dickey & Pierce, P.L.C. |
主权项 |
1. A liquid ejecting apparatus comprising:
a liquid ejecting head having a pressure generation chamber in which a liquid is charged, a pressure generation unit which generates pressure change in the liquid inside the pressure generation chamber with supply of a driving signal, and a nozzle opening which ejects the liquid inside the pressure generation chamber according to the pressure change; and a control unit which has an expansion element expanding the pressure generation chamber and a contraction element contracting the pressure generation chamber, and supplies a micro-vibration driving signal to the pressure generation unit so as to generate the micro-vibration of the liquid to the inside of the pressure generation chamber without ejecting the liquid from the nozzle opening, wherein the micro-vibration driving signal is formed so that the inclination of the expansion element is greater than the inclination of the contraction element. |
地址 |
JP |