发明名称 Video superimposition system with chroma keying
摘要 A graphic decoder circuit for a compact disk player has a color signal generator (6) called a color look-up table (CLUT), which outputs RGB video signals stored in parts addressed by color code signals. The color code signals are simultaneously supplied to a decoder circuit (10), which in turn outputs switching signals (Ys) for superimposition only when specific color signals designated by switching means (11) are inputted. Thus, graphic information from the compact disk player formed by arbitrary colors can be superimposed on pictures obtained from a television receiver or the like.
申请公布号 US4697176(A) 申请公布日期 1987.09.29
申请号 US19860891698 申请日期 1986.07.29
申请人 SANYO ELECTRIC CO., LTD. 发明人 KAWAKAMI, KIYOTADA
分类号 H04N9/74;G09G5/36;H04N5/775;H04N9/82;H04N9/87;(IPC1-7):H04N9/75 主分类号 H04N9/74
代理机构 代理人
主权项
地址