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:
May. 25, 2010
Filed:
Nov. 09, 2007
Irina Menz, Diedorf, DE;
Gunther Dausmann, Erding, DE;
Benedikt Ahlers, Berlin, DE;
Arnim Franz-burgholz, Falkensee, DE;
Irina Menz, Diedorf, DE;
Gunther Dausmann, Erding, DE;
Benedikt Ahlers, Berlin, DE;
Arnim Franz-Burgholz, Falkensee, DE;
Giesecke & Devrient GmbH, Munich, DE;
Abstract
The invention relates to a security system especially for security documents, wherein a security element is provided in a carrier plane, that under incident light holographically reconstructs a pattern outside the carrier plane, in which concealed information is stored and having a flat transparent verification element which on flat contact with the security element makes the information stored therein visible. The invention further relates to a security element and a verification element for use in the security system and a security document fitted with the security system. The invention additionally relates to an apparatus and a method for reading out the concealed information which is stored holographically in the pattern reconstructed on the security element under incident light.