Device for broadcasting digital information via satellite
US6134225A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Sep 17, 1997 |
| Grant date | Oct 17, 2000 |
| Priority date | — |
| Expiry date | Sep 17, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B7/18523
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The device comprises at least one set of links that send packet formatted digital information to the satellite on at least two different frequencies, at least one second set of links on board the satellite receives the digital information packets, at least one packet time multiplexing module connected both to output of the second set of links and to input of a digital information formatting module comprising a scrambler connected to input of a part of a broadcasting DVB-S chain beginning by a convolutive interleaving block and terminating by a QPSK modulator, at least one clock on board the satellite, this clock, working in asynchronism with all earth clocks and driving the satellite-borne assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.