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:
Jan. 07, 2020
Filed:
Dec. 07, 2006
Michael Rahm, Hemau, DE;
Marius Dichtl, Munich, DE;
Manfred Heim, Munich, DE;
GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH.., Munich, DE;
Abstract
The invention relates to an optically variable security element () for securing valuable articles, having an achromatically reflective micropattern in the form of a mosaic () including a plurality of achromatically reflective mosaic elements (--) that are characterized by the parameters size, contour shape, relief shape, reflectivity and spatial orientation and that form a predefined motif in that different groups of mosaic elements (--) having different characteristic parameters reflect incident light () in different spatial regions (). The mosaic elements (--) exhibit a lateral dimension below the resolution limit of the eye.