Apparatus for entitling remote client devices
US6748080B2 · kind B2 · utility
112Cited by
5References
73Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 24, 2002 |
| Grant date | Jun 8, 2004 |
| Priority date | — |
| Expiry date | Jul 12, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/8586
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A master-receiver in a subscriber television network receives service instances and entitlement information from a headend of the subscriber television network and re-transmits service instances to a client-receiver after dynamic encryption scheme determination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.