Method to control the access to conditional access audio/video content
US8336106B2 · kind B2 · utility
9Cited by
16References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2008 |
| Grant date | Dec 18, 2012 |
| Priority date | — |
| Expiry date | Apr 12, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/835
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention aims at solving the financial revenue loss due to the presence of digital video recorders that allow skipping the commercial breaks.The solution is based on a method to control the access to conditional access audio/video content comprising at least one advertisement section, said content being played on a digital video recorder associated with a security module (SM) and being formed by at least an advertisement section and a main content section, this method comprising the steps of:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.