Visual copyright protection
US6950532B1 · kind B1 · utility
42Cited by
6References
45Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2001 |
| Grant date | Sep 27, 2005 |
| Priority date | — |
| Expiry date | Feb 21, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2005/91392
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A visual copyright protection system is disclosed, including input content, a disruption processor, and output content. The disruption processor inserts disruptive content to the input content creating output content that impedes the ability of optical recording devices to make useful copies of output content.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.