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    • 1. 发明授权
    • Method for color representation using colored ink dots
    • 使用彩色墨点进行颜色表示的方法
    • US4412225A
    • 1983-10-25
    • US346908
    • 1982-02-08
    • Kazutaka YoshidaHideo Horiuchi
    • Kazutaka YoshidaHideo Horiuchi
    • B41J2/21G03F3/08H04N1/40H04N1/50H04N1/52G01D15/18
    • B41J2/2128H04N1/40087H04N1/506H04N1/52
    • A method for representing a complex color by providing a mean-value a color mixture of low and middle color density so as to deposit at least two kinds of different color ink drops on a dot matrix in such a way as to permit a single ink drop to be in each of the greater part of the cells of the dot matrix. But a subtractive color mixture is used at high color density so as to deposit at least two kinds of different color ink drops on a dot matrix in such a way as to permit at least two kinds of ink drops to be superimposed in each of the greater part of the cells of the dot matrix. With a dot matrix of rectangular configuration of columns and rows of cells, each color is applied starting from a different corner of the matrix and progressing toward the diagonally opposite corner as the required level of color density progressively rises.
    • 通过提供平均值中低色浓度的混色来表示复色的方法,以便将点阵中的至少两种不同颜色的墨滴沉积在一起,以允许单个墨滴 在点阵的大部分单元格的每一个中。 但是以高色密度使用减色混合物,以便在点阵上沉积至少两种不同颜色的墨滴,以便允许至少两种墨滴叠加在每个更大的墨滴中 点阵的一部分单元格。 利用单元格的列和行的矩形构造的点矩阵,从矩阵的不同角开始施加每种颜色,并且随着所需的色浓度的逐渐上升,朝向对角线对角。
    • 2. 发明授权
    • Ink-jet color printing apparatus
    • 喷墨彩色打印设备
    • US4413275A
    • 1983-11-01
    • US317850
    • 1981-11-03
    • Hideo HoriuchiKazutaka Yoshida
    • Hideo HoriuchiKazutaka Yoshida
    • B41J2/21G06K15/10H04N1/50H04N1/60H04N1/46
    • H04N1/6016H04N1/506
    • An ink-jet color printing apparatus is comprised of a rotary drum that bears the paper or other medium to receive the color printing and rotates in a primary scanning direction. A group of yellow ink-jet heads, a group of magenta ink-jet heads, a group of cyan ink-jet heads and a group of black ink-jet heads are provided, with each group of ink-jet heads arranged in the secondary scanning direction parallel to the axis of rotation of the drum. These ink-jet heads form simultaneously dot lines of four different colors. Groups of ink-jet heads of respective color are comprised of a plurality of ink-jet heads arranged in the primary scanning direction so as to form a plurality of dot lines constituting a single scanning line. A single picture element is formed by a dot matrix having n.times.m possible positions on a plurality of dot lines. Intermediate colors and color densities thereof can be achieved by combinations of several kinds of colored inks and dot patterns formed on a single matrix.
    • 喷墨彩色打印装置由承载纸张或其他介质的旋转鼓组成,用于接受彩色打印并沿主扫描方向旋转。 设置一组黄色喷墨头,一组品红色喷墨头,一组青色喷墨头和一组黑色喷墨头,每组喷墨头布置在次级 扫描方向平行于滚筒的旋转轴。 这些喷墨头同时形成四种不同颜色的点划线。 各颜色的喷墨头组由沿主扫描方向排列的多个喷墨头组成,以便形成构成单个扫描线的多个点划线。 单个像素由在多个点划线上具有n×m个可能位置的点矩阵形成。 中间色和其色浓度可以通过在单个基质上形成的几种彩色油墨和点图案的组合来实现。
    • 4. 发明授权
    • Ink-jet printing method
    • 喷墨打印法
    • US4412226A
    • 1983-10-25
    • US346909
    • 1982-02-08
    • Kazutaka Yoshida
    • Kazutaka Yoshida
    • B41J2/205B41J2/01H04N1/034H04N1/06H04N1/191G01D15/18
    • H04N1/0678H04N1/034H04N1/1911H04N1/06
    • An ink-jet printing method for painting an image on a recording medium uses ink-jet heads equal in number to the least common multiple of numbers of rows or columns of two different sizes of dot matrices. The ink-jet heads are disposed in side-by-side arrangement so as to deposit ink dots on dot lines adjacent one another. When a dot matrix having m rows and k columns for a single picture element is selectively used, ink-jet heads are so classified into several sub-groups of m ink-jet heads as to deposit ink dots on several scanning lines each of which comprises m dot lines. On the other hand, if the ink-jet heads are classified into several sub-groups of n ink-jet heads each, then they deposit ink dots on several scanning lines each of which comprises n dot lines when a dot matrix having n rows and l columns for a single picture element is selectively used.
    • 用于在记录介质上绘制图像的喷墨打印方法使用数量等于两个不同大小的点阵的行或列数的最小公倍数的喷墨头。 喷墨头并排布置,以便将墨点沉积在彼此相邻的点线上。 当选择性地使用具有m行和k列的点矩阵时,喷墨头被分成m个喷墨头的几个子组,以便在多个扫描线上沉积墨点,每个扫描线包括 m点线。 另一方面,如果将喷墨头分为几个喷墨头的几个子组,那么它们在多个扫描线上沉积墨点,每个扫描线包括n个点线,当具有n行的点阵和 选择性地使用单个图像元素的l列。