| 摘要 |
FIELD: printing industry. ^ SUBSTANCE: invention discloses a printed document with counterfeit protection. In the printed document with counterfeit protection, corresponding to this invention, multiple elements from objects are placed with the specified pitch into a matrix, besides, each element from objects comprises the first object and the second object, which are arranged along the first direction at both sides from the border passing along the centre, so that they are arranged opposite to each other. The third object and the fourth object are arranged along the second direction, perpendicular to the specified first direction, at both sides from the border passing along the centre so that they are arranged opposite to each other. The first object and the second object, and also the third object and the fourth object of each element from objects have a "negative/positive" interconnection. The first object and/or the second object create the first invisible image. The third object and/or the fourth object create the second invisible image. ^ EFFECT: invention has a high extent of protection against copying and counterfeit, by creation of an invisible image, which is visualised clearly, at the same time the visible image does not interfere with visibility of the visualised invisible image. ^ 47 cl, 113 dwg |
