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    • 11. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US07639228B2
    • 2009-12-29
    • US11322656
    • 2006-01-03
    • Mitsutoshi Nagata
    • Mitsutoshi Nagata
    • G09G3/36
    • G09G3/3611G09G2320/0257G09G2320/0261G09G2320/041G09G2320/103G09G2340/12G09G2340/16G09G2360/18
    • A moving image portion that indicates a moving object moving not less than a given movement amount and a still image portion other than the moving image portion are distinguished with respect to a video signal. Video display data for displaying the moving image portion is generated by repeatedly using the same video signal by repetition times based on temperature of a liquid crystal panel. Movement display data for displaying movement positions of the moving image portion is then generated based on a video signal obtained after the video signal used for displaying the moving image portion and is combined with the video display data. This achieves an effect similar to that obtained by decreasing a field frequency and decreases a “tail trail” phenomenon of the moving object. Furthermore, the movement display data enables recognition of the almost actual position of the moving object.
    • 相对于视频信号区分表示移动物体移动到运动图像部分以外的运动图像部分和运动图像部分以外的静止图像部分。 通过基于液晶面板的温度的重复时间重复使用相同的视频信号来生成用于显示运动图像部分的视频显示数据。 然后基于在用于显示运动图像部分的视频信号之后获得的视频信号产生用于显示运动图像部分的运动位置的运动显示数据,并与视频显示数据组合。 这实现了与通过减小场频而获得的效果相似的效果,并且减小了移动物体的“尾迹”现象。 此外,运动显示数据使得能够识别移动物体的几乎实际的位置。
    • 12. 发明申请
    • Signal separator
    • 信号分离器
    • US20080088738A1
    • 2008-04-17
    • US11889800
    • 2007-08-16
    • Mitsutoshi Nagata
    • Mitsutoshi Nagata
    • H04N9/47
    • H04N9/78
    • A signal separator for separating luminance and color signals from a composite video signal includes: a first line delay element for delaying the composite video signal by one line period; a second line delay element for delaying the composite video signal by two line periods; an adder element for adding the first and second delay signals; a subtraction element for subtracting the second delay signal from the first delay signal; a control signal generator for passing a part of the addition signal within a predetermined frequency band therethrough; and a gain control element for reducing a level of the subtraction signal based on the control signal.
    • 用于从复合视频信号中分离亮度和颜色信号的信号分离器包括:用于将复合视频信号延迟一行周期的第一行延迟元件; 第二行延迟元件,用于将复合视频信号延迟两个行周期; 加法器元件,用于将第一和第二延迟信号相加; 减法器,用于从第一延迟信号中减去第二延迟信号; 控制信号发生器,用于使加法信号的一部分在预定频带内通过; 以及增益控制元件,用于根据控制信号降低减法信号的电平。