System and method for verifying a conditional access blackout in a video data distribution system
US8239908B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2008 |
| Grant date | Aug 7, 2012 |
| Priority date | — |
| Expiry date | May 15, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/812
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.