Method and system for providing a regional channel in a digital broadcast environment
US8387090B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2007 |
| Grant date | Feb 26, 2013 |
| Priority date | — |
| Expiry date | Jun 6, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/64322
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of delivering a regional television channel to a user over an Internet Protocol Television (IPTV) service comprising the steps of forming a multicast of channels intended for delivery to a user each channel having a specific channel slot, the multicast of channels including one or more regional channels corresponding to one of the multicast of channels; broadcasting the multicast channels to the user through a regional gateway; forming a regional channel control signal for scheduling and requesting broadcast of the at least one regional channel instead of the one of the multicast of channels; transmitting the regional channel control signal to the regional gateway; and in accordance with the regional channel control signal, at the required time, switching the regional gateway to the at least one regional channel instead of the corresponding one of the multicast channels such that the regional channel is in the specific channel slot of the corresponding channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.