The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7605838 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 20, 2009

Filed:

Sep. 06, 2005
Applicant:

Young-jin Lee, Dong-gu, KR;

Inventor:

Young-jin Lee, Dong-gu, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/38 (2006.01); H04N 5/44 (2006.01);
U.S. Cl.
CPC ...
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.


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Lee, Young-jin. (2009). Broadcast signal receiving apparatus and method of filtering noise signals (U.S. Patent No. 7605838). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7605838

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