Invention Grant
US08167396B2 Liquid discharging apparatus and control method of liquid discharging apparatus 有权
液体排放装置及排液装置的控制方法

Liquid discharging apparatus and control method of liquid discharging apparatus
Abstract:
A contraction portion of a vibration pulse includes a first contraction element which occurs subsequent to an expansion portion, a contraction maintaining element which follows the first contraction element, and a second contraction element which follows the contraction maintaining element, and when a time from a start point time of the expansion portion to an end point time of the expansion portion is set as t1, a time from the end point time of the expansion portion to a start point time of the contraction portion is set as t2, and a natural vibration period of ink in an ink flow path including a pressure chamber is set as Tc, the start point time (t1+t2) of the contraction portion is set to be in the range of any one of the following expressions (1) and (2). (t1+t2) t1/2+5Tc/8   (2)
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