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:
Jun. 18, 2024
Filed:
May. 22, 2023
Applicant:
Xerox Corporation, Norwalk, CT (US);
Inventor:
Edward N. Chapman, Rochester, NY (US);
Assignee:
Xerox Corporation, Norwalk, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/32 (2006.01); G06T 1/00 (2006.01); H04N 1/44 (2006.01);
U.S. Cl.
CPC ...
H04N 1/32347 (2013.01); G06T 1/0042 (2013.01); H04N 1/32352 (2013.01); H04N 1/4446 (2013.01); G06T 2201/0064 (2013.01); H04N 2201/3233 (2013.01); H04N 2201/3271 (2013.01);
Abstract
A security apparatus and a method for rendering a security mark can involve creating a security mark that includes a correlation mark having a correlation effect and comprising black pixels and white pixels, and subjecting the security mark to a filter that can removes at least some of the black pixels or the white pixels so that the correlation effect no longer functions and the security mark is not visible when rendered on a recording medium.