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:
Oct. 08, 2013
Filed:
Feb. 28, 2006
Paul Cattrone, Pleasant Hill, CA (US);
Hiroshi Tomita, Palo Alto, CA (US);
Vivek Pathak, Mountain View, CA (US);
Paul Cattrone, Pleasant Hill, CA (US);
Hiroshi Tomita, Palo Alto, CA (US);
Vivek Pathak, Mountain View, CA (US);
Konica Minolta Laboratory U.S.A., Inc., San Mateo, CA (US);
Abstract
Disclosed is a method for determining optimum color gradation levels used by a color gradation barcode in a system including a rendering device for rendering the barcode and a detector for detecting the barcode. The method includes: (a) obtaining input color gradation data; (b) rendering, by using the rendering device, a test pattern based on the input color gradation data, the test pattern comprising at least one color gradation pattern; (c) detecting, by using the detector, the rendered test pattern to generate detected color gradation data; (d) based on the detected color gradation data and the input color gradation data, determining a plurality of optimum color gradation levels to be used for a color gradation barcode; and (e) storing the plurality of optimum color gradation levels.