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:
Mar. 06, 2012
Filed:
Aug. 22, 2007
Applicant:
Jui-yuan Tsai, Tai Nan, TW;
Inventor:
Jui-Yuan Tsai, Tai Nan, TW;
Assignee:
Realtek Semiconductor Corp., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image processing device is provided which comprises an input unit and an analog front end circuit with DC inputs. According to the invention, no capacitor is installed in the input unit and no clamper is installed in the AFE circuit with DC inputs. By appropriately selecting a comparing voltage and adding a level shifter or a compensation circuit, the invention can still generate an accurate digital signal.