发明名称 System and method for verifying a conditional access blackout in a video data distribution system
摘要 A system is disclosed for verifying an occurrence of a blackout event in a data distribution system, the system including but not limited to a processor in data communication with a computer readable medium; and computer program comprising instructions to receive restricted content data at the data distribution system; instructions to receive at the data distribution system, blackout event data indicating at least one criterion for selecting client devices subject to a blackout event for the restricted content data; instructions to place at the data distribution system, client devices into a client device group subject to the blackout event in accordance with the event data criterion; and instructions to correlate at the data distribution system, the blackout event data with the retune activity data to verify the occurrence of the blackout event in the client devices.
申请公布号 US8239908(B2) 申请公布日期 2012.08.07
申请号 US20080271964 申请日期 2008.11.17
申请人 SOFOS JAMES T.;CHOW LEE M.;PIEPENBRINK DAVID J.;AT&T IP I, LP 发明人 SOFOS JAMES T.;CHOW LEE M.;PIEPENBRINK DAVID J.
分类号 H04N7/173;H04N7/16 主分类号 H04N7/173
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