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:
Jul. 30, 2013
Filed:
Apr. 27, 2011
Thomas J. Widzinski, Rochester, NY (US);
Thomas D. Pawlik, Rochester, NY (US);
Erwin L. Allmann, Penfield, NY (US);
Gary M. Spinelli, Hilton, NY (US);
Myra T. Olm, Webster, NY (US);
Thomas J. Widzinski, Rochester, NY (US);
Thomas D. Pawlik, Rochester, NY (US);
Erwin L. Allmann, Penfield, NY (US);
Gary M. Spinelli, Hilton, NY (US);
Myra T. Olm, Webster, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
An apparatus for eliminating background noise from a security marker authenticating system including a first sensor for capturing an image of a background of the security marker; a light source for illuminating the security marker; the first sensor or a second sensor or both captures a plurality images of the optical response of the security marker; a computer which averages the plurality of optical response images; the computer smoothes the background image; and the computer subtracts the smoothed background image from the average of the plurality of optical response images.