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 8082472 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 20, 2011

Filed:

Feb. 04, 2010
Applicant:

Qing-hua Liu, Shenzhen, CN;

Inventor:

Qing-Hua Liu, Shenzhen, CN;

Assignees:

Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Shenzhen, Guangdong Province, CN;

Hon Hai Precision Industry Co., Ltd., Tu-Cheng, New Tapei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A system for testing a video memory reliability of a video card includes an input module, a data read/write module, a data processing module, a data comparison module, and an output module. The input module is capable of activating a testing program which includes an original image file. The data read/write module is capable of writing the original image file in the video memory from the testing program, and reading the image file data stored in the video memory during the writing process for storing the read image file data to form a new image file. The data processing module is capable of calculating hash values of the original and new image files using hash function(s). The data comparison module is capable of comparing hash values, and outputting the comparison result. The output module is capable of indicating whether the video card is normal according to the comparison result.


Find Patent Forward Citations

Liu, Qing-Hua. (2011). System and method for testing graphics card (U.S. Patent No. 8082472). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8082472

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