Method and device for rights management
US8572752B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2006 |
| Grant date | Oct 29, 2013 |
| Priority date | — |
| Expiry date | Feb 6, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2463/101
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of rights management in a first device connected to digital data content, said first device comprising a right for accessing said digital data content and available state information for reflecting the state of use of said digital data content, said method comprising the steps of: —receiving by said first device a request for a state information from a second device; —comparing the content of said request with said available state information; —selecting said requested state information in said available state information according to the result of said comparing step; —transferring said requested state information to said second device via a communication channel; and—duplicating said fight to said second device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.