Patent ID: 8998264
Filing Date: 2015-04-07
Classification: B41M,B42D

Abstract:
1. An identification document comprising a first visual marking and a second visual marking, wherein the first visual marking comprises a personalized first visual marking that is arranged in a first region of the identification document and that constitutes a two-dimensional image, 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, wherein the identification document further exhibits a second visual marking that produces the optical impression of a copy of the first visual marking, wherein the copy is a positive image of the first visual marking, wherein dark regions and light regions in the first visual marking correspond respectively to dark regions and light regions in the second visual marking, and wherein the second visual marking is arranged in a second region of the identification document, wherein the second region comprises an ink whose color changes upon the action of laser radiation, 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 from a dark color to a light color are produced, resulting from material transformations of the ink.