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:
Feb. 16, 2021
Filed:
Dec. 22, 2017
Applicant:
Giesecke+devrient Currency Technology Gmbh, Munich, DE;
Inventors:
Johannes Feulner, Munich, DE;
Steffen Schmalz, Munich, DE;
Assignee:
GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G07D 7/04 (2016.01); B42D 25/29 (2014.01); G06K 7/08 (2006.01); G06K 7/10 (2006.01); G06K 19/06 (2006.01); G07D 7/004 (2016.01);
U.S. Cl.
CPC ...
G07D 7/04 (2013.01); B42D 25/29 (2014.10); G06K 7/087 (2013.01); G06K 7/10792 (2013.01); G06K 19/06196 (2013.01); G07D 7/004 (2013.01);
Abstract
A method is described for detecting a security thread in a value document, in which magnetic data are employed for sites on the value document, said magnetic data representing a magnetic property of the value document at the site, check sites on the value document are determined employing the sites, and from the check sites, a straight line is specified, along or on which at least some of the check sites lie and which represents a location of the security thread.