发明名称 IDENTIFICATION DOCUMENT HAVING TWO SUPERIMPOSED IMAGES
摘要 The invention relates to an identification document, which is provided with two superimposed images, and a method for producing such an identification document. The invention further relates to a method for checking the authenticity of such an identification document. In order to better secure identification documents provided with a color image against counterfeiting or manipulation, the images are applied in separate work steps, at least one of the images is present in a form that is not accessible from outside, one of the images is a grayscale image, and one of the images is a color image, which comprises both color information and light/dark information.
申请公布号 WO2011020537(A1) 申请公布日期 2011.02.24
申请号 WO2010EP04527 申请日期 2010.07.23
申请人 MUEHLBAUER AG;WANJEK, MICHAEL;BRUNNER, ANTON 发明人 WANJEK, MICHAEL;BRUNNER, ANTON
分类号 B42D15/10;B41M3/14;B41M5/24 主分类号 B42D15/10
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