发明名称 System for interactively distributing information services
摘要 An interactive information distribution system includes service provider equipment for generating an information stream that is coupled to an information channel and transmitted to subscriber equipment. The service provider also generates a command signal that is coupled to a command channel and transmitted to the subscriber equipment. The service provider also receives information manipulation requests from the subscriber via a back channel. A communication network supporting the information channel, command channel and back channel is coupled between the service provider equipment and the subscriber equipment.
申请公布号 US6253375(B1) 申请公布日期 2001.06.26
申请号 US19970984710 申请日期 1997.12.03
申请人 DIVA SYSTEMS CORPORATION 发明人 GORDON DONALD;GOODE CHRISTOPHER;STAR JACK VAN DER;KNIGHT STANLEY;CHIN DANNY
分类号 H04N7/173;(IPC1-7):H04N7/173 主分类号 H04N7/173
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