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.

Date of Patent:
Jul. 10, 2018

Filed:

Nov. 28, 2014
Applicants:

Leonhard Kurz Stiftung & Co. KG, Furth, DE;

Ovd Kinegram Ag, Zug, CH;

Adorsys Gmbh & Co. KG, Nuremberg, DE;

Inventors:

Andreas Schilling, Hagendorn, CH;

Uwe Frieser, Buchenbach, DE;

Benno Schmitzer, Zirndorf, DE;

Wayne Robert Tompkin, Baden, CH;

Jurgen Metzger, Nuremberg, DE;

Ralf Wondratschek, Dornburg-Camburg OT Camburg, DE;

Alexander Gugel, Wendelstein, DE;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); G07D 7/128 (2016.01); B42D 25/30 (2014.01); G07D 7/20 (2016.01); B42D 25/23 (2014.01); B42D 25/24 (2014.01); B42D 25/29 (2014.01); B42D 25/324 (2014.01); B42D 25/328 (2014.01); B42D 25/342 (2014.01); B42D 25/351 (2014.01); B42D 25/369 (2014.01); B42D 25/373 (2014.01); B42D 25/378 (2014.01); G06K 9/22 (2006.01); G06K 9/46 (2006.01); G06K 9/62 (2006.01); G06T 5/00 (2006.01); G06T 5/20 (2006.01); G06T 7/13 (2017.01); G07D 7/00 (2016.01); G07D 7/206 (2016.01);
U.S. Cl.
CPC ...
G06K 9/00483 (2013.01); B42D 25/23 (2014.10); B42D 25/24 (2014.10); B42D 25/29 (2014.10); B42D 25/30 (2014.10); B42D 25/324 (2014.10); B42D 25/328 (2014.10); B42D 25/342 (2014.10); B42D 25/351 (2014.10); B42D 25/369 (2014.10); B42D 25/373 (2014.10); B42D 25/378 (2014.10); G06K 9/22 (2013.01); G06K 9/4604 (2013.01); G06K 9/6256 (2013.01); G06T 5/002 (2013.01); G06T 5/20 (2013.01); G06T 7/13 (2017.01); G07D 7/003 (2017.05); G07D 7/128 (2013.01); G07D 7/206 (2017.05); G07D 7/2083 (2013.01); G06T 2207/20021 (2013.01); G06T 2207/20081 (2013.01); G06T 2207/30176 (2013.01);
Abstract

The invention relates to a method for authenticating an optically variable security element (), in particular a diffractive security element, with the steps:


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