Efficient broadcast entitlement management message delivery mechanism using a scheduled delivery window
US8401191B2 · kind B2 · utility
6Cited by
2References
52Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 22, 2009 |
| Grant date | Mar 19, 2013 |
| Priority date | — |
| Expiry date | Mar 17, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/6543
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Systems and methods include broadcasting an entitlement management message (EMM) in a communication system using a scheduled delivery window. The systems and methods including receiving a EMM broadcast window from a distribution system, listening for the EMM during the EMM broadcast window, and receiving the EMM from the distribution system during the EMM broadcast window.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.