Broadcast receiver device, broadcast receiving set, and channel switching method
US7522546B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2006 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Oct 18, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/44016
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
When a digital broadcast is currently extracted and a switching direction instruction is accepted, determination is made as to which of a CH number (analog number) next to a currently extracted channel in the switching direction according to the order indicated in an analog CH map and a CH number (digital number) next to the currently extracted channel in the switching direction according to the order indicated in a digital channel map is closer to the number of the currently extracted channel (extracted number). When closer to the analog number, the channel is switched to the analog number. When closer to the digital number, the channel is switched to the digital number. Thus, the channel of analog and digital broadcasts can be switched in a seamless manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.