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 8330860 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 11, 2012

Filed:

Jun. 08, 2010
Applicants:

Akihiro Murayama, Kanagawa, JP;

Hitoshi Banba, Kanagawa, JP;

Inventors:

Akihiro Murayama, Kanagawa, JP;

Hitoshi Banba, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/00 (2006.01); H04N 9/66 (2006.01); H04N 5/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

According to embodiments, a color signal processing circuit includes: an A/D converter configured to convert an analog television signal into a digital signal by using a clock; a color signal demodulation circuit configured to color-demodulate the television signal converted into the digital signal by the A/D converter; a clock generation section configured to generate the clock that is used by the A/D converter; and a frequency control section configured to control the clock frequency of the clock generation section on the basis of a color subcarrier frequency of a color signal included in the analog television signal and on the basis of the vertical synchronization signal frequency of the analog television signal.


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