Method for setting digital broadcasting channel

Details Method for setting digital broadcasting channel Method for setting digital broadcasting channel

2011-05-03

2011-05-03

Hsia, Sherrie (Department: 2422)

Television

Receiver circuitry

Tuning

C348S554000

Reexamination Certificate

active

07936402

ABSTRACT:
Provided is a method for setting a digital broadcasting channel in a digital broadcasting receiver having a tuner and a demodulator. According to the method, when an automatic channel setting command is input by a user, a channel is selected using a tuner, and whether an NS flag is detected in each channel is judged. When the NS flag is not detected as a result of the judgment, a mode of each selected channel of the digital broadcasting receiver where signals are detected is judged from a VSB mode and a QAM mode. A channel map is constructed according to the judgment result. Accordingly, the method allows a subscriber or a manufacturer to automatically detect signals and store a corresponding channel in a channel map without separately setting cable broadcasting in cable digital TV broadcasting environment where VSB and QAM modes are provided.

REFERENCES:
patent: 2005/0188410 (2005-08-01), Kahn et al.
patent: 2006/0140301 (2006-06-01), Choi et al.

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