发明名称 COLOUR PICTURE IN PICTURE TELEVISION REREIVERS
摘要 A system for inserting a reduced picture of a first channel broadcast into a picture of a second channel broadcast on a single screen in a picture-in-picture television receiver. First and second video signal chains are provided. A first group of three memories connects to the first chain for memorizing R, G and B signals obtained from a first field of video signals of the first channel broadcast. A second group of three memories is connected to the first chain for memorizing R, G and B signals obtained from a second field of the video signals of the first channel broadcast. With the disclosed system, picture flicker problems are solved and the horizontal resolution is improved.
申请公布号 GB2037528(A) 申请公布日期 1980.07.09
申请号 GB19790039147 申请日期 1979.11.12
申请人 SONY CORP 发明人
分类号 H04N9/74;H04N9/64 主分类号 H04N9/74
代理机构 代理人
主权项
地址
您可能感兴趣的专利