Embedded blacklisting for digital broadcast system security
US7835522B2 · kind B2 · utility
1Cited by
1References
44Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 2006 |
| Grant date | Nov 16, 2010 |
| Priority date | — |
| Expiry date | Sep 18, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4623
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus and method for transmission security is presented. In one embodiment, the apparatus comprises a receiver communicatively coupleable to an identifiable replaceable conditional access module (CAM) identified by an identification to enable reception of the service, and an authenticator controlling the operability of the receiver according to a comparison between the identification and a list comprising an identification of a plurality of CAMs, wherein the authenticator renders the receiver inoperable according to the comparison.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.