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:
Apr. 07, 2015
Filed:
Jul. 27, 2010
Walter Dorfler, Munich, DE;
Alfons Assfalg, Munich, DE;
Walter Dorfler, Munich, DE;
Alfons Assfalg, Munich, DE;
Giesecke & Devrient GmbH, Munich, DE;
Abstract
An identification document () comprises a personalized first visual marking () that is arranged in a first region () of the identification document (), the first region () being configured in such a way that, upon laser irradiation of the same, local darkenings of the optical impression of the identification document () are produced, resulting from material transformations. The identification document () further exhibits a second visual marking () that produces the optical impression of a copy of the first visual marking () and is arranged in a second region () of the identification document (), the second region () being configured in such a way that, upon laser irradiation of the same, local lightenings of the optical impression of the identification document () are produced, resulting from material transformations.