Method for broadcasting digital data to a targeted set of reception terminals
US8259940B2 · kind B2 · utility
0Cited by
16References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 24, 2005 |
| Grant date | Sep 4, 2012 |
| Priority date | — |
| Expiry date | Sep 29, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4623
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
This invention relates to a method for broadcasting digital data to a targeted set of reception terminals in which said data are previously scrambled by a series of control words transmitted in a conditional access control message.This method comprises the following steps:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.