System and method to validate restriction event control streams sent to a video distribution system
US9160970B2 · kind B2 · utility
1Cited by
6References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 8, 2012 |
| Grant date | Oct 13, 2015 |
| Priority date | — |
| Expiry date | Dec 1, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/6405
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Systems and methods to validate restriction event control streams sent to a video distribution system are provided. A particular method includes receiving a control stream and determining whether the control stream is valid based on a comparison of first restriction event information included in the control stream to second restriction event information stored in a mapping table.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.