Local content security system
US7277544B1 · kind B1 · utility
8Cited by
8References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2003 |
| Grant date | Oct 2, 2007 |
| Priority date | — |
| Expiry date | Oct 22, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/63345
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention is a system for securing broadcasting content locally at receiving stations that may be remote to a broadcaster. Embodiments of this invention implement controllable and renewable security measures, compatible with many other content processing and display systems. These security measures may include re-encrypting received broadcast content using locally generated keys, watermarking the received broadcast content, and logging both processing and display of broadcast content.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.