FIELD: computation engineering; graphic information systems. SUBSTANCE: device has several parts having spatial relief structure of diffraction-producing action to enable one to identify visual optic protection elements placed on valuable documents. When applied, the device enables one to produce uniform rich color picture. Most of device parts are of strip- or ribbon-like shape. EFFECT: wide range of solvable tasks. 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| STRUCTURAL DEVICE WITH EMBOSSED DIFFRACTING STRUCTURE | 1995 |
|
RU2154303C2 |
| STRUCTURAL DEVICE WITH DIFFRACTIONAL-OPTICAL ACTION | 1996 |
|
RU2155380C2 |
| STRUCTURAL SYSTEM, PARTICULARLY, FOR PROTECTIVE MEMBER | 1995 |
|
RU2128585C1 |
| VISUALLY IDENTIFIABLE OPTICAL MEMBER | 1995 |
|
RU2136508C1 |
| OPTICALLY CHANGING ELEMENT WITH INTERMEDIATE LAYER OF VARIABLE THICKNESS | 2003 |
|
RU2317897C2 |
| PROTECTION ELEMENT FOR PROTECTED DOCUMENT AND METHOD OF ITS FABRICATION | 2008 |
|
RU2422572C2 |
| PARTIALLY STRUCTURED, IMD-USABLE MULTI-LAYERED FILM | 2003 |
|
RU2323098C2 |
| STAMPING FILM, IN PARTICULAR, HOT STAMPING FILM | 1999 |
|
RU2185292C1 |
| OPTICALLY CHANGEABLE ELEMENT WITH PARTIAL TRANSPARENT ELEMENT | 2003 |
|
RU2309049C2 |
| PROTECTION ELEMENT | 2008 |
|
RU2453444C2 |
