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    • 23. 发明授权
    • Display control device
    • 显示控制装置
    • US5262767A
    • 1993-11-16
    • US727421
    • 1991-07-09
    • Hiroshi Takeda
    • Hiroshi Takeda
    • G06T11/80G09G5/393G09G1/16
    • G09G5/393
    • A CRT controller having a drawing function includes designation means to designate a predetermined area of an external memory as a reference area for tiling, and a drawing processor which transmits a display pattern in the reference area designated by the designation means, to a drawing area of the external memory. Since the CRT controller of this construction permits the use of the external memory easy of enlarging the capacity thereof for a tiling pattern, it realizes the tiling processing with a complicated tiling pattern.
    • 具有绘图功能的CRT控制器包括指定装置,用于指定外部存储器的预定区域作为平铺的参考区域;以及绘图处理器,其将指定装置指定的参考区域中的显示图案发送到绘图区域 外部存储器。 由于这种结构的CRT控制器允许使用外部存储器容易地扩大其对于平铺图案的容量,所以它以复杂的平铺图案实现了平铺处理。
    • 28. 发明授权
    • Character pattern generator for dot matrix printer
    • 点阵式打印机字符图形发生器
    • US4883377A
    • 1989-11-28
    • US183323
    • 1988-04-06
    • Hiroshi Takeda
    • Hiroshi Takeda
    • B41J2/505B41J2/51B41J5/46G06K15/02G09G1/14G09G5/24G09G5/28G09G5/32
    • G06K15/02
    • A character pattern generator for a dot-matrix type printer. A storage device stores first dot pattern data for fixed pitch printing and second dot pattern data for proportional printing where the proportional printing dot pattern data corresponding to a character differs from the corresponding characters fixed pitch print data. A first address location pointer indicates the addresses of the fixed pitch dot pattern data in the storage device. A second address location pointer indicates the addresses of the proportional printing data in the storage device. A selector coupled to the storage device and the first and second address location pointers receives a character code signal and an attribute signal indicative of one of the fixed pitch and proportional pitch printing modes and supplies the character code signal to either the first or the second address location pointer in accordance with the attribute signal.
    • 点阵式打印机的字符图案发生器。 存储装置存储用于固定间距打印的第一点图案数据和用于比例打印的第二点图形数据,其中与字符相对应的比例打印点图案数据与相应字符固定的间距打印数据不同。 第一地址位置指针指示存储装置中的固定节点点图案数据的地址。 第二地址位置指针指示存储设备中的比例打印数据的地址。 耦合到存储设备和第一和第二地址位置指针的选择器接收字符代码信号和指示固定间距和比例间距打印模式之一的属性信号,并将字符代码信号提供给第一或第二地址 位置指针根据属性信号。