发明名称 Improvements in applications for information transmitted in the vertical retrace interval of a television signal.
摘要 <p>Methods of and apparatus for processing television signals wherein the television signals include image-representative information and a plurality of segments of accompanying supplementary information including VPS program identification information and a teletext listing including program title information and program source information encoded during vertical blanking intervals wherein the VPS program identification information is decoded and the teletext listing, certain coded color display information and included program identification information are also decoded, the program identification information from VPS and teletext are compared and thereafter at least program title information is displayed upon identifying matching information.</p>
申请公布号 EP0393556(A2) 申请公布日期 1990.10.24
申请号 EP19900107170 申请日期 1990.04.14
申请人 THOMSON CONSUMER ELECTRONICS, INC. 发明人 ASCHWANDEN, FELIX
分类号 G04G15/00;H04N7/088 主分类号 G04G15/00
代理机构 代理人
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