发明名称 Process for inserting supplementary video information external to a main 4/3-format image in a 16/9-format tube.
摘要 <p>The present invention relates to a process for inserting supplementary video information external to a main 4/3-format image in a 16/9-format tube. This process comprises the following steps: - processing (1) of the supplementary video information (V1) to obtain, at the instant of line flyback of the main image (Vi), a video signal with the desired format; - multiplexing (5) of the components of the main video signal with the components of the supplementary video signal, and - separate processing of the components (10, 11, 12, 13, 14) of the multiplexed signal to obtain the components (Y, U, V) of a display signal (VS) for display on a tube with the format Application to television. &lt;IMAGE&gt;</p>
申请公布号 EP0414597(A1) 申请公布日期 1991.02.27
申请号 EP19900402308 申请日期 1990.08.17
申请人 LABORATOIRE EUROPEEN DE RECHERCHES ELECTRONIQUES AVANCEES 发明人 POIVET, MICHEL;PERDRIEAU, LAURENT
分类号 H04N7/015;H04N5/44;H04N5/46;H04N7/083;H04N7/084;H04N7/085 主分类号 H04N7/015
代理机构 代理人
主权项
地址