发明名称 METHOD AND APPARATUS FOR INTERACTIVE INFORMATION TRANSMISSION
摘要 Method and apparatus for providing additional information relating to a broadcast program are provided. A system (100) according to the present invention generally includes a program source (110), a receiver (130), a storage device for storing supplemental information corresponding to the program (160), and an interaction device for facilitating retrieval of viewer-selected supplemental information (140).
申请公布号 WO0165853(A1) 申请公布日期 2001.09.07
申请号 WO2001US06542 申请日期 2001.02.28
申请人 WARD L.L.C. 发明人 WARD, STEPHEN
分类号 H04N7/16;H04N7/173;(IPC1-7):H04N7/173 主分类号 H04N7/16
代理机构 代理人
主权项
地址