Controller of tuner apparatus and method for controlling power supply to tuner of tuner apparatus
US6650376B1 · kind B1 · utility
201Cited by
4References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 18, 1998 |
| Grant date | Nov 18, 2003 |
| Priority date | — |
| Expiry date | Aug 18, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4436
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
It is determined, in accordance with a signal supplied by a tuner and indicating a signal reception state of the tuner, whether or not signal reception has been performed normally. Then, power supply to the tuner is stopped when it is determined that signal reception has not been performed normally. Further, it is detected whether or not an antenna has been connected to the tuner apparatus. Then, power supply to the tuner is stopped when it is determined that the antenna has not been connected to the tuner apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.