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.

Date of Patent:
Oct. 19, 2010

Filed:

Nov. 01, 2006
Applicant:

Yu-yu Sung, Cyonglin Township, Hsinchu County, TW;

Inventor:

Yu-Yu Sung, Cyonglin Township, Hsinchu County, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 7/00 (2006.01); H04N 5/06 (2006.01); H04N 5/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

An image signal processing device, which uses a horizontal synchronizing signal detector to find a frequency (period) of an original horizontal synchronizing signal from an external input horizontal synchronizing signal and provide an internal reference horizontal synchronizing signal with the same frequency same as the original horizontal synchronizing signal to a horizontal synchronizing signal output controller for determining to output the external input horizontal synchronizing signal according to the frequency of the internal reference horizontal synchronizing signal and filtering out the original horizontal synchronizing signal.


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