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    • 36. 发明授权
    • Display control circuit
    • 显示控制电路
    • US4677427A
    • 1987-06-30
    • US651153
    • 1984-09-17
    • Shigeru KomatsuTetsuya Ikeda
    • Shigeru KomatsuTetsuya Ikeda
    • G06F3/153G09G5/00G09G5/02G09G5/39G09G1/16
    • G09G5/022
    • There is provided a display control circuit including a central processing unit and display memory elements provided corresponding to respective data lines of the central processing unit. The display memory elements respectively have a plurality of data input terminals supplied with bit orders beforehand. As the display memory element, a large capacity readable/writable memory having a bit width per address such as 4 or 8 is used.Each bit per one address of said display memory element is assigned to an element belonging to each plane in the depth direction which constituted an individual picture element on the display screen. And one picture element is represented by one address of one display memory element. As a result, the number of display memory elements can be decreased.
    • 提供了一种显示控制电路,包括中央处理单元和与中央处理单元的各个数据线对应地提供的显示存储元件。 显示存储元件分别具有预先提供有位命令的多个数据输入端子。 作为显示存储元件,使用具有每个地址的位宽度如4或8的大容量可读/可写存储器。 将所述显示存储元件的每个地址的每个位分配给属于构成显示画面上的各个像素的深度方向上的每个平面的元素。 并且一个图像元素由一个显示存储元件的一个地址表示。 结果,可以减少显示存储元件的数量。
    • 37. 发明授权
    • Character and graphic signal generating apparatus
    • 字符和图形信号发生装置
    • US4591845A
    • 1986-05-27
    • US534684
    • 1983-09-22
    • Shigeru KomatsuShigeru Hirahata
    • Shigeru KomatsuShigeru Hirahata
    • G06F3/153G09G5/40G09G1/16
    • G09G5/40
    • A character and graphic signal generating apparatus of the type suitable for use with a personal computer for displaying characters and graphic patterns in a superposed relation according to a raster scan method comprises a frame buffer for storing coded character data, a DMA control unit for controlling DMA transfer of coded character data from a display RAM to the frame buffer in a non-display cycle, and units for reading out the data from the display RAM and the frame buffer in parallel relation in a display cycle so as to simultaneously derive the graphic data and the coded character data in each display cycle, whereby more display data can be read out in a unit time, and high-density display can be achieved without the sacrifice of the scanning speed.
    • 根据光栅扫描方法,适用于以个人计算机用于显示字符和叠加关系的图形的字符和图形信号发生装置包括用于存储编码字符数据的帧缓冲器,用于控制DMA的DMA控制单元 在非显示周期中将编码字符数据从显示RAM传送到帧缓冲器,以及用于在显示周期中并行地从显示RAM和帧缓冲器读出数据的单元,以便同时导出图形数据 和每个显示周期中的编码字符数据,从而可以在单位时间内读出更多的显示数据,并且可以在不牺牲扫描速度的情况下实现高密度显示。
    • 40. 发明授权
    • Pattern display apparatus
    • 图案显示装置
    • US4408197A
    • 1983-10-04
    • US259162
    • 1981-04-30
    • Shigeru KomatsuKunihiko NagaiTakuo KoyamaTsuguji TachiuchiShigeru Hirahata
    • Shigeru KomatsuKunihiko NagaiTakuo KoyamaTsuguji TachiuchiShigeru Hirahata
    • G06F3/153G09G5/22G09G5/26G09G1/16
    • G09G5/227
    • A display apparatus for use with a cathode-ray tube capable of displaying patterns in interlaced scanning and non-interlaced scanning operation modes, comprising a composite video signal synthesizer, a memory for storing pattern data, a mode setting circuit for the memory, a data selection signal generator and a raster line number signal generator. The memory stores data for relatively simple patterns such as alphabetical letters and those for relatively complicated patterns such as Chinese characters in individually particular areas in the memory addresses of these different areas are identified by a combination of the data selection signal and the raster line number signal supplied to the memory from the data selection signal generator and the raster line number signal generator. Accordingly, the apparatus is capable of displaying both relatively simple and relatively complicated patterns with satisfactory resolution and with a relatively small-scale structure.
    • 一种用于能够以隔行扫描和非隔行扫描操作模式显示图案的阴极射线管的显示装置,包括复合视频信号合成器,用于存储图案数据的存储器,用于存储器的模式设置电路,数据 选择信号发生器和光栅线数信号发生器。 存储器存储用于诸如字母字母的相对简单模式的数据,以及用于相对复杂图案的数据,例如在这些不同区域的存储器地址中的单独特定区域中的汉字,数据选择信号和光栅行号信号 从数据选择信号发生器和光栅线数信号发生器提供给存储器。 因此,该装置能够以令人满意的分辨率和相对较小规模的结构显示相对简单且相对复杂的图案。