Broadcast signal receiving apparatus and method of filtering...

Details Broadcast signal receiving apparatus and method of filtering... Broadcast signal receiving apparatus and method of filtering...

2005-09-06

2009-10-20

Lee, M. (Department: 2622)

Television

Plural transmitter system considerations

C348S725000, C348S607000, C455S311000, C455S313000, C455S196100, C375S346000

Reexamination Certificate

active

07605838

ABSTRACT:
Broadcast signal-receiving apparatus and a method filtering noise signals. The broadcast signal-receiving apparatus includes a tuner to convert an RF signal to a lower frequency signal to output an intermediate frequency (IF) signal, a filter to filter the IF signal to output a digital IF signal, and a controller to control the tuner to shift a frequency of the IF signal to a frequency band to remove the noise signals if the digital IF signal contains noise signals of a predetermined magnitude. Accordingly, the broadcast signal-receiving apparatus can filter the noise signals resulting from analog and digital broadcast signals adjacent to a digital broadcast signal on a channel selected for viewing.

REFERENCES:
patent: 7239358 (2007-07-01), Mayer
patent: 2006/0232715 (2006-10-01), Motte et al.
patent: 1449126 (2003-10-01), None
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patent: 1994-27514 (1994-12-01), None
patent: 10-216318 (1999-05-01), None
patent: 2002-19522 (2002-03-01), None
patent: WO 01/06768 (2001-01-01), None
Korean Office Action dated Apr. 24, 2006 issued in KR 2004-73388.
Chinese Office Action dated Nov. 9, 2007 issued in CN 200510091048.9.

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