Method for access control to a scrambled content
US8488794B2 · kind B2 · utility
0Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2011 |
| Grant date | Jul 16, 2013 |
| Priority date | — |
| Expiry date | Sep 19, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/6334
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for access control to a digital scrambled content distributed to a set of installed reception terminals including one master terminal and at least one slave terminal dependent on the master terminal. In the method the slave terminal systematically or occasionally returns at least one item of information about the access condition to the master terminal through a point-to-point link, to enable the master terminal to control access of the slave terminal to the content.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.