Method for managing digital rights in broadcast/multicast service
US7769177B2 · kind B2 · utility
12Cited by
1References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2006 |
| Grant date | Aug 3, 2010 |
| Priority date | — |
| Expiry date | Apr 30, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2463/101
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of digital rights management for a broadcast-multicast service, the method comprising receiving a request from a terminal to join a service domain having a common group key; transmitting encryption of one or more service encryption keys using the common group key to the terminal that requested to join; and allowing the terminal to share the same contents and the same services with one or more other devices within the service domain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.