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2. 发明授权

US5404177A Double-picture type television receiver 失效
标题翻译：双画式电视接收机
公开(公告)号：US5404177A
公开(公告)日：1995-04-04
申请号：US781617
申请日：1991-10-23
申请人： Kiyoshi Imai , Hisashi Arita , Ryuji Matsuura , Taku Takada
发明人： Kiyoshi Imai , Hisashi Arita , Ryuji Matsuura , Taku Takada
IPC分类号： H04N5/265 , G09G5/00 , G09G5/14 , G09G5/36 , G09G5/391 , H04N9/74 , H04N5/262
CPC分类号： H04N5/45
摘要： A double-picture type television receiver for displaying two different pictures on its screen. The television receiver is equipped with an image memory having a capacity required for storing a child picture signal to be inputted, the child picture signal to be stored being for one picture and a line memory coupled in series to an output of the image memory. Also included are multipliers, one being directly coupled to the output of the image memory for multiplying the output of the image memory by a predetermined coefficient and the other being coupled to outputs of the line memory for multiplying the outputs of the line memory by a predetermined coefficient. An adder calculates the sum of outputs of the multipliers and outputs the sum signal as a child picture signal. A switching device is responsive to a parent picture signal inputted from an external circuit and further to the output of the adder for performing a switching operation between the parent picture signal and the output of the adder with respect to a display device.
摘要翻译：一种用于在其屏幕上显示两个不同图像的双图像电视接收机。电视接收机配备有具有存储要输入的子图像信号所需的容量的图像存储器，用于一个图像的要存储的子图像信号和与图像存储器的输出串联耦合的行存储器。还包括乘法器，一个直接耦合到图像存储器的输出，用于将图像存储器的输出乘以预定系数，另一个耦合到行存储器的输出，用于将行存储器的输出乘以预定的系数。加法器计算乘法器的输出和，并将和信号作为子图像信号输出。开关装置响应于从外部电路输入的父图像信号，并且还响应于加法器的输出，用于相对于显示装置执行父图像信号和加法器的输出之间的切换操作。

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