Receiver
US7206031B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 22, 2002 |
| Grant date | Apr 17, 2007 |
| Priority date | — |
| Expiry date | Jan 24, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/426
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a receiver, when a channel is registered on the channel map 15, the receiver 1 registers the channel by the unit of a physical channel, and when a channel is deleted from the channel map 15, the receiver 1 deletes the channel by the unit of a sub-channel. A common user has a tendency of watching most of a plurality of sub-channels contained in one physical channel and a tendency of not watching a portion of the plurality of sub-channels which the user does not like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.