PROTECTED ARTICLE COMPRISING A COMBINED IMAGE AND/OR DETECTING RASTER Russian patent published in 2020 - IPC B42D25/305 

FIELD: document security.

SUBSTANCE: protected article (10) comprising a first optical structure (4) and a second optical structure (4) or a system comprising a protected article and another object, wherein the protected article comprises one of the first optical structure (4) and the second optical structure (I), and the object comprises or forms the other of the first optical structure (4) and the second optical structure (4); wherein first optical structure (4) comprises multiple units (Bi) of first optical structure located in different zones of first optical structure (4); first optical structure (4) is one of the following elements: detecting raster (4) and combined image, and second optical structure (4) is the other of the following elements: detecting raster (4) and combined image; combined image or, in the presence of combined image units, each of combined image units consists of multiple embedded images; combined image or each combined image unit comprises interleaving elements of embedded images in one or more directions; elements of embedded images of the same embedded image have the same color, different from other embossed images color; at least two units of first optical structure, each, when matching detecting raster (4) with combined image in given position and orientation of detecting raster (4) with respect to combined image and at a given viewing angle enable to observe one detectable image at the level of each unit of the first optical structure, wherein the detected images at the level of two blocks of the first optical structure indicate different portions of the embedded images.

EFFECT: disclosed is a protected article comprising a combined image and/or detecting raster.

30 cl, 78 dwg