Secure distribution of digital content
US7181625B2 · kind B2 · utility
6Cited by
16References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 17, 2001 |
| Grant date | Feb 20, 2007 |
| Priority date | — |
| Expiry date | Mar 24, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/3274
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for secure distribution of digital content, the method including the steps of dividing a unit of digital content into at least first and second portions, storing the first portion on a first computerized apparatus, digitally watermarking the second portion, and combining the first portion and the digitally watermarked second portion, thereby forming a watermarked version of the digital content.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.