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.:
Date of Patent:
Feb. 24, 2004
Filed:
Mar. 24, 2000
Applicant:
Inventors:
Jiann-Jong Tsai, YungKang, TW;
Li-ming Chen, Keelung, TW;
Assignee:
Sunplus Technology Co., Ltd., , TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/40 ;
U.S. Cl.
CPC ...
G06K 9/40 ;
Abstract
A filtering circuit for image signal processing has a high frequency filtering circuit and a low frequency filtering circuit. The high frequency filtering circuit only includes one adder to obtain a high frequency component. The low frequency filtering circuit includes one adder and utilizes the high frequency component generated by the high frequency filtering circuit to obtain a low frequency component.