Television tuner for control of directivity of antenna
US7663704B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2009 |
| Grant date | Feb 16, 2010 |
| Priority date | — |
| Expiry date | Mar 26, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/44209
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is a television tuner for receiving television broadcast signals with an antenna, which is equipped with an auto-scan unit that causes a channel storing section, which stores a receiving channel at the time when the signal condition from a tuner section matches the predetermined signal condition, to automatically store the receiving channel, wherein the auto scan unit detects switches among the receiving channel sequentially in the tuner section to detect the signal condition, and, after signal condition is detected for every channel, performs a variable directivity control for the antenna, resulting in an increased auto-scan execution speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.