Digital content rights management method and system
US8887299B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 11, 2007 |
| Grant date | Nov 11, 2014 |
| Priority date | — |
| Expiry date | Oct 25, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2151
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A digital content rights management method and system belongs to the digital content rights management technique field. The method of the invention includes the steps: registering the system, generating the time stamp, verifying the time stamp when the system starts up, acquiring the certificate, verifying the time before accessing the digital content. The system of the invention comprises a device for accessing the digital content and a server, wherein the device for accessing the digital content comprises: a registering module, a time stamp generating module, a time stamp verification module, a certificate of authorization acquiring module, and a time verification module. The method and system have solved the problem that the digital content can still be used beyond the time limit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.