Television receiver, channel tuning method for automatically updating channel data and channel scan method for more rapid and reliable channel scanning
US8294829B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 2, 2007 |
| Grant date | Oct 23, 2012 |
| Priority date | — |
| Expiry date | Jun 23, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/46
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A television receiver including: a reception control unit which judges whether reception of the cable television broadcast signal has succeeded, by setting the channel data composed of the combination of the frequency table stored in the first storage unit and the modulation method stored in the second storage unit, the modulation method corresponding to the tuned channel. The reception control unit sequentially changes the channel data to be set in a previously determined order to make the reception unit receive the cable television broadcast signal corresponding to the tuned channel when the reception control unit judges that the reception of the cable television broadcast signal has not succeeded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.