Digital rights management license renewal
US8224752B2 · kind B2 · utility
10Cited by
0References
37Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 1, 2006 |
| Grant date | Jul 17, 2012 |
| Priority date | — |
| Expiry date | Jun 4, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY04S40/20
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of playing back content based on digital rights management (DRM) between a portable storage and a device and a portable storage for the same are provided. The method of playing back content using a portable storage includes requesting the portable storage to transmit a right to play back content protected through digital rights management (DRM), receiving the right to play back the content protected through DRM from the portable storage, and informing the portable storage of completion of the playback when a playback of the content protected through DRM using the right is completed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.