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:
Mar. 16, 2021
Filed:
Jan. 25, 2017
Applicant:
Giesecke+devrient Currency Technology Gmbh, Munich, DE;
Inventors:
Assignee:
GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 29/44 (2006.01); G07D 7/183 (2016.01); G07D 7/08 (2006.01);
U.S. Cl.
CPC ...
G07D 7/183 (2017.05); G01N 29/4427 (2013.01); G01N 29/4445 (2013.01); G07D 7/08 (2013.01); G01N 2291/011 (2013.01); G01N 2291/0237 (2013.01); G01N 2291/263 (2013.01); G07D 2207/00 (2013.01);
Abstract
A method for examining a value document includes emitting ultrasonic pulses onto several locations on the value document. An echo pulse arises by reflection of at least a portion of a respective ultrasonic pulse at the value document. The echo pulses are received while forming echo values, and from the echo values at least a characteristic value is established as to the wrinkledness of the value document. As apparatus is provided for carrying out the method.