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    • 31. 发明授权
    • Composite image display apparatus
    • 复合图像显示装置
    • US4249211A
    • 1981-02-03
    • US9731
    • 1979-02-05
    • Takaaki BabaTeruo KitaniMasao NakazawaHirokazu YoshinoTatsuo FujitaEiichi Tsuboka
    • Takaaki BabaTeruo KitaniMasao NakazawaHirokazu YoshinoTatsuo FujitaEiichi Tsuboka
    • H04N5/45H04N5/22
    • H04N5/45
    • An image display apparatus has an: image signal receiver for simultaneously receiving two different image signals, a first image signal and a second image signal; a memory for writing therein the second image signal; controlling means for controlling the writing position, writing frequency, writing sequence, reading-out sequence, reading-out frequency and start-timing of reading-out of the second image signal; a display for displaying full picture information or partial picture information of the second image signal a part of a displayed picture of the first image signal by selectively reading-out the second image signal under the control of the controller; and zoom-up device for stepwisely or continuously varying the writing position and reading-out position of the second image signal controlled by the controller so as to zoomwisely display the full or partial picture of the second image signal on the picture of the first image signal.
    • 图像显示装置具有:图像信号接收器,用于同时接收两个不同的图像信号,第一图像信号和第二图像信号; 用于在其中写入第二图像信号的存储器; 控制装置,用于控制第二图像信号的写入位置,写入频率,写入序列,读出顺序,读出频率和开始定时; 显示器,用于通过在所述控制器的控制下选择性地读出所述第二图像信号,来显示所述第一图像信号的一部分的所述第二图像信号的全部图像信息或部分图像信息; 以及用于逐步地或连续地改变由控制器控制的第二图像信号的写入位置和读出位置的放大装置,以便将第二图像信号的全部或部分图像缩放到第一图像信号的图像上 。