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