Broadcast receiver and channel searching method using the same
US8284325B2 · kind B2 · utility
0Cited by
7References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 17, 2008 |
| Grant date | Oct 9, 2012 |
| Priority date | — |
| Expiry date | May 7, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4382
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is a broadcast receiver. The broadcast receiver comprises a signal receiver for tuning and outputting a Q channel of a digital broadcasting signal, a demodulator for demodulating a signal of the received channel and checking a lock state M or an unlock state of a gain control signal and a timing control signal of the channel, and a demodulation controller for controlling o an operation of the demodulator and detecting a lock state of the channel based on the lock state of the gain control signal and the timing control signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.