Utilizing a high bandwidth communications channel for broadcasting network data during off-peak hours
US6874161B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1998 |
| Grant date | Mar 29, 2005 |
| Priority date | — |
| Expiry date | Jun 30, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H2201/33
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for utilizing a high bandwidth communications channel for broadcasting network data during off-peak hours is disclosed. A demodulation unit includes, 1) a standard television broadcast signal receiver, the signal having a plurality of channels; 2) a partitioning unit configured to partition at least one channel of said plurality of channels into a plurality of variable size sub-channels; 3) a modulating unit configured to modulate a variety of different types of information into said plurality of sub-channels; and 4) a transmitter configured to transmit said plurality of sub-channels over a high bandwidth communications channel during off-peak hours.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.