发明名称 SET TOP TERMINAL FOR AN INTERACTIVE INFORMATION DISTRIBUTION SYSTEM
摘要 A set top terminal (100) for receiving information transmitted from a service provider, for receiving control information transmitted by a service provider, and for transmitting control information from the set top terminal (100) to the service provider to interactively control the services that are being received. The set top terminal (100) receives display images via an information channel carrying both conventional analog television signals and digital television signals. Additionally, set top terminal (100) control signals are sent from the service provider via a command channel and the set top terminal (100) sends control signals to the service provider via a back channel.
申请公布号 WO9812874(A1) 申请公布日期 1998.03.26
申请号 WO1997US17178 申请日期 1997.09.16
申请人 SARNOFF CORPORATION 发明人 ANDERSON, BRUCE, J., JR.;LAMONT, NADINE;DRASNER, SHARYN, L.;GREENBERG, ARTHUR, L.
分类号 H04L27/38;H04N5/00;H04N5/44;H04N5/46;H04N7/10;H04N7/173;(IPC1-7):H04N7/10;H04N7/14 主分类号 H04L27/38
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