发明名称 Method and system for control of broadcast content access
摘要 A method for controlling access to content, including preventing access to content that corresponds to a blacked out event, until at least one of a time criterion and payment criterion is met. Related methods and apparatus are also disclosed.
申请公布号 US7530085(B2) 申请公布日期 2009.05.05
申请号 US20020182639 申请日期 2002.07.30
申请人 NDS LIMITED 发明人 TSURIA YOSSI;SHLISSEL MOSHE;DARSHAN EZRA;WALD STEPHANIE;WACHTFOGEL REUVEN;ROZENHAUZ AHARON;SANDLER LEONID
分类号 H04N7/16;H04N7/167 主分类号 H04N7/16
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