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:
Aug. 28, 2012
Filed:
Jul. 28, 2009
Applicant:
Sik Piu Kwan, Suwanee, GA (US);
Inventor:
Sik Piu Kwan, Suwanee, GA (US);
Assignee:
NCR Corporation, Duluth, GA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device, methods and system for improving the contrast ratio of an image of an optical code captured by an image capture device. A command implemented by the image capture device of the form 'shift and add' causes the image capture device to generate a modified row of pixel data having improved contrast from a plurality of pixel rows in the image capture device.