Methods and systems for protecting media content
US7703141B2 · kind B2 · utility
14Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 11, 2004 |
| Grant date | Apr 20, 2010 |
| Priority date | — |
| Expiry date | Jan 1, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/835
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Various embodiments provide methods and systems that utilize a protocol which enables media content protection by establishing a secure communication channel and, in some embodiments, a secure data channel, between a device such as a computing device running a protected content playback application, and a downstream component such as an associated driver, such as a graphics driver, of an associated display device such as a monitor, flat panel LCD, television and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.