FIELD: physics, computer engineering.
SUBSTANCE: invention relates to means of protecting data media. The protective system includes a protective element (2), having on at least one first separate portion a first bitmap formed by microimages, and verification means (3) which, to authenticate the protective element, is located in the direction of sight of the person in front of the protective element and makes at least one first graphic image, which is not visible on the protective element (2), visible for the person. The first bitmap formed by images is made such that the first graphic image is a dynamic graphic image whose dimensions vary upon rotating or tilting the verification means (3) between first and second angular positions relative to the protective element (2).
EFFECT: high reliability of protecting data media.
17 cl, 23 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF MICRO LENSES PRODUCTION | 2009 |
|
RU2553417C2 |
| POLYMER MULTILAYER PROTECTIVE ELEMENT WITH OPTICALLY VARIABLE EFFECT | 2011 |
|
RU2465147C1 |
| SAFETY ELEMENT WITH SEVERAL STRUCTURES HAVING OPTICALLY VARIABLE PARAMETERS | 2008 |
|
RU2463169C2 |
| MULTILAYER POLYMER MATERIAL WITH RASTER STRUCTURE | 2013 |
|
RU2510689C1 |
| STRUCTURE FOR DISPLAYING | 2008 |
|
RU2466029C2 |
| OPTICALLY VARIABLE PROTECTIVE ELEMENT | 2015 |
|
RU2697485C2 |
| PROTECTIVE ELEMENT FOR COUNTERFEIT-PROOF DOCUMENTS, VALUABLE DOCUMENTS OR SIMILAR | 2012 |
|
RU2596088C2 |
| MULTILAYER PROTECTIVE ELEMENT AND METHOD OF ITS FABRICATION | 2008 |
|
RU2484975C2 |
| POLYMER SANDWICH ELEMENT FOR PAPER, WHICH HAS OPTICALLY VARIABLE EFFECT | 2013 |
|
RU2510438C1 |
| CONTACT-DROPLET HGH PRINTING METHOD MICRO LENSES ON A FLAT INFORMATION CARRIER AND PROTECTIVE ELEMENT ON A FLAT CARRIER INFORMATION | 2014 |
|
RU2596949C2 |
