System and method for managing conditional access blackout events in a video data distribution system
US8245263B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2008 |
| Grant date | Aug 14, 2012 |
| Priority date | — |
| Expiry date | Jun 15, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/835
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A computer readable medium containing instructions that when executed by a computer configure blackout event data indicating at least one event criterion data for selecting client devices subject to the blackout event for restricted content data; configure client devices into a client device group subject to the blackout event in accordance with the event criterion data; configure at least one substitution event data table for the client device group; and send restricted content and the substitution event data table embedded in the restricted content data to each client device in the client device group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.