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    • 11. 发明申请
    • IMAGE FORMING DEVICE
    • 图像形成装置
    • US20110242159A1
    • 2011-10-06
    • US13011931
    • 2011-01-24
    • Hiroyuki SHIBATA
    • Hiroyuki SHIBATA
    • B41J29/38
    • B41J2/16505B41J2/16508B41J2/16535B41J2/2128B41J2/2132
    • An image forming device has: a droplet ejecting head that ejects droplets with respect to a recording medium and can form dots of plural diameters; and a control unit that, on the basis of image data expressing a tone value of each pixel in an image to be formed on the recording medium, controls sizes of droplets ejected from the droplet ejecting head such that, in a case in which the tone value is within a predetermined tone range, first dots, whose diameter is greater than a predetermined diameter, are formed at a recording rate that satisfies a predetermined formula, and second dots, whose diameter is less than or equal to the predetermined diameter, are formed between the first dots at a recording rate corresponding to the tone value.
    • 图像形成装置具有:液滴喷射头,其相对于记录介质喷射液滴并且可以形成多个直径的点; 以及控制单元,其基于表示要在记录介质上形成的图像中的每个像素的色调值的图像数据,控制从液滴喷射头喷射的液滴的尺寸,使得在色调 值在预定色调范围内,其直径大于预定直径的第一点以满足预定公式的记录速率形成,并且形成直径小于或等于预定直径的第二点 以对应于音调值的记录速率在第一点之间。