Device and method for digital right management
US8516251B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2008 |
| Grant date | Aug 20, 2013 |
| Priority date | — |
| Expiry date | Mar 14, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/1011
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention provides a method for authenticating the copy right of a device by an offline way, a digital right protection system, and a method for providing digital contents, which mainly includes embedding an authentication agent into the digital content, said authentication agent, instead of the copyright issuer at the server side, authenticates the rendering qualification of the device before rendering the digital content. If the device is a non-compliant device, the authentication agent will not permit the device to render the digital content. The technique of the invention realizes offline digital right management, so it is not restricted by the network condition and can be applied widely in various environments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.