Personalized markup for protecting numerical audiovisual streams
US7639833B2 · kind B2 · utility
10Cited by
4References
21Claims
0Family size
Inventors
Key dates
| Filing date | Jun 23, 2005 |
| Grant date | Dec 29, 2009 |
| Priority date | — |
| Expiry date | Aug 24, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2005/91364
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A process for distributing a video stream to a multitude of destinations including marking by adding to the video stream at least a visual element such that the marking is applied to an original video stream common to selected recipients, and personalized for a least portion of the recipients by addition of a visual element specific to destination equipment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.