Controlled-access broadcast signal receiving system
US5796828A · kind A · utility
115Cited by
4References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 7, 1995 |
| Grant date | Aug 18, 1998 |
| Priority date | — |
| Expiry date | Jul 7, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2005/91364
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus and method for transferring from a broadcaster to a receiver a limited reproduction right in data. A signal indicating the limited reproduction right is transmitted by the broadcaster and stored by the receiver with the data. The receiver reproduces and processes the data as a function of this signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.