Method of transmitting an additional piece of data to a reception terminal
US8831219B2 · kind B2 · utility
1Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2007 |
| Grant date | Sep 9, 2014 |
| Priority date | — |
| Expiry date | Oct 20, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/606
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a method of transmitting at least one additional piece of data D in a list of access control words CWi to a scrambled content transmitted by a content server of an operator to a user equipment (2) including a reception terminal (4) associated with a security processor (6), each control word CWi of said list being designed to descramble said contents during a determined cryptoperiod,
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.