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    LC display device with both positive and negative image display modes
    1.
    发明授权
    LC display device with both positive and negative image display modes 失效
    LC显示设备具有正负图像显示模式

    公开(公告)号：US4812837A

    公开(公告)日：1989-03-14

    申请号：US205524

    申请日：1988-06-13

    申请人： Tomikatsu Shiraishi ,  Mitsuru Fujiwara

    发明人： Tomikatsu Shiraishi ,  Mitsuru Fujiwara

    IPC分类号： G02F1/133 ,  G09G3/36

    CPC分类号： G09G3/3611 ,  G09G2320/041

    摘要： A liquid crystal display device includes a video RAM for storing character and graphic data, a control circuit for selecting specific data from the RAM to be displayed on a liquid crystal display panel, and a positive/negative mode selector for selecting one of a positive display mode in which data is displayed as lighted elements against a dark background, and a negative display mode in which data is displayed as dark elements against a lighted background. The display device allows the use of software developed for CRT based data processors to be run in LCD mounted data processors in which the data formats would otherwise be reversed.

    摘要翻译： 液晶显示装置包括用于存储字符和图形数据的视频RAM，用于从RAM中选择要显示在液晶显示面板上的特定数据的控制电路，以及用于选择正显示中的一个的正/负模式选择器 数据被显示为暗背景的点亮元素的模式，以及在显示背景下将数据显示为暗元素的负显示模式。 显示设备允许使用为基于CRT的数据处理器开发的软件在LCD安装的数据处理器中运行，否则数据格式将被颠倒。

    Data processing machine with liquid crystal display and control means for regulating backlighting to the display
    2.
    发明授权
    Data processing machine with liquid crystal display and control means for regulating backlighting to the display 失效
    具有液晶显示的数据处理机和用于调节对显示器的背光的控制装置

    公开(公告)号：US5065357A

    公开(公告)日：1991-11-12

    申请号：US565179

    申请日：1990-08-09

    申请人： Tomikatsu Shiraishi ,  Isao Kawano

    发明人： Tomikatsu Shiraishi ,  Isao Kawano

    IPC分类号： G06F1/32 ,  G09G3/34

    CPC分类号： G06F1/3218 ,  G09G3/3406 ,  G09G2320/0606 ,  G09G2320/0626 ,  G09G2330/021 ,  G09G2330/022

    摘要： A data processing machine which is provided with a liquid crystal display unit having an electroluminescent panel functioning as the backlighting source of the liquid crystal display unit, which includes a circuit for counting the period during which the electroluminescent panel is inoperative and a control circuit that extinguishes the illumination of the electroluminescent panel in response to a signal output from the time-counting circuit. Furthermore, a circuit indicating to the operator that the extinguished illumination of the electroluminescent panel is due to operation of the above controlled circuit can also be provided.

    摘要翻译： 一种数据处理机器，其具有液晶显示单元，该液晶显示单元具有作为液晶显示单元的背光源的电致发光面板，该电致发光面板包括用于对电致发光面板不工作的时段进行计数的电路和熄灭的控制电路 响应于从时间计数电路输出的信号，电致发光面板的照明。 此外，还可以提供向操作者指示电致发光面板的熄灭的照明是由于上述受控电路的操作的电路。

    Data processing machine with interrupt control for varying processing speed
    5.
    发明授权
    Data processing machine with interrupt control for varying processing speed 失效
    数据处理机具有中断控制，可改变处理速度

    公开(公告)号：US4981296A

    公开(公告)日：1991-01-01

    申请号：US244569

    申请日：1988-09-12

    申请人： Tomikatsu Shiraishi ,  Hiroshi Maeda

    发明人： Tomikatsu Shiraishi ,  Hiroshi Maeda

    IPC分类号： G06F1/08 ,  G06F9/30 ,  G06F9/38 ,  G06F9/48

    CPC分类号： G06F9/4825 ,  G06F1/08 ,  G06F9/30079 ,  G06F9/3869

    摘要： A data processing machine is provided with a microprocessor that functions in response to signals output by a clock oscillator to selectively change the data-processing speed of the microprocessor. The data processing machine contains a circuit for generating interruption signals at specific intervals by dividing the signals output by the clock oscillator, a signal-input device for inputting command signals that cause the microprocessor to change the data-processing speed, and a controller which, in response to signals from the input device, executes a stand-by process each time a specific number of interruption signals generated by the interruption signal generating circuit is received.

    摘要翻译： 数据处理机器具有微处理器，其响应于由时钟振荡器输出的信号起作用以选择性地改变微处理器的数据处理速度。 数据处理机包含用于通过对由时钟振荡器输出的信号进行分频来产生特定间隔的中断信号的电路，用于输入使微处理器改变数据处理速度的命令信号的信号输入装置，以及控制器， 响应于来自输入设备的信号，每当接收到由中断信号发生电路产生的特定数量的中断信号时，执行待机处理。