发明名称 CONTROLLING RETURN PATH IN INTERACTIVE TELEVISION ENVIRONMENT
摘要 A method and system control a return path to a source system in an interactive television environment. At the source system, a hint is generated based on information associated with the interactive television environment; and at the source system, the hint is broadcast to a plurality of receiver systems. Each receiver system determines whether to utilize the return path based on the hint.
申请公布号 EP1698059(B1) 申请公布日期 2016.06.08
申请号 EP20040814513 申请日期 2004.12.16
申请人 OPENTV, INC. 发明人 DELPUCH, ALAIN
分类号 H04N7/173;H04N7/24;H04N21/235;H04N21/236;H04N21/24;H04N21/434;H04N21/435;H04N21/61;H04N21/6332 主分类号 H04N7/173
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