FIELD: information technologies; printing industry.
SUBSTANCE: protective element is covered with coating cutaway with signs or patterns representing the first information readable visually and/or automatically. The cuts contain printed image represented the second information readable visually and/or automatically as well. Data content of the first information differs from that of the second one. Printed image is imprinted in cuts by digital printing technology with close registering.
EFFECT: higher counterfeit protection level of the declared protective element.
25 cl, 5 dwg
Authors
Dates
2009-02-20—Published
2003-11-25—Filed