Method of distributing scrambled services and/or data
US7827594B2 · kind B2 · utility
0Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2003 |
| Grant date | Nov 2, 2010 |
| Priority date | — |
| Expiry date | Feb 13, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4623
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and system for distribution of scrambled data and/or services to at least one master terminal and to at least one slave terminal linked with the master terminal. The method and system transmit to the master terminal a first secret code and transmit to each slave terminal a second secret code in a biunique relationship with the first secret code, and authorize the reception of the data and/or services by a slave terminal only if the first secret code is previously stored in the slave terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.