VALUABLE OBJECT, CONTAINING MOIRE PATTERN Russian patent published in 2009 - IPC G07D7/12 

FIELD: information technology.

SUBSTANCE: present invention relates to a valuable object, for example, credit card, bank note or identification card. The valuable object contains a carrier layer, at least a first layer, containing moire pattern and at least, a one second layer, containing a moire pattern analyser for the first layer. The second layer lies above or below the first layer in a fixed position relative the first layer such that, the moire pattern of the first layer and moire pattern analyser in the second layer are in constant optical superposition in at least separate areas, that way generating a permanent moire image.

EFFECT: creation of an improved security feature, forgery of which requires big expenditure on equipment.

14 cl, 9 dwg