Unlocking anti-counterfeiting method
An unlocking and locking technology, which is applied in the field of anti-counterfeiting, can solve the problem of realizing one layer of outlets, and achieve the effect of good information hiding, clear printing and wide application
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Embodiment 1
[0039] The unlocking type anti-counterfeiting method shown in Embodiment 1:
[0040] Step 1, generating bitmap A with vector direction and including several dots in the drawing software for printing;
[0041] Step 2, formulate the first pattern obtained for the first re-unlocking, superimpose the bitmap A and the first pattern together, and place the dots in the bitmap A within the outline of the first pattern along the direction of the vector Make the first displacement in the direction of the angle m, and then delete the first pattern;
[0042] Step 3, formulating the second pattern obtained for the second re-unlocking, and superimposing the second pattern with the dot pattern A after rotating the angle p relative to the first pattern; Make a second displacement along the direction of the angle n with the vector direction, and then delete the graphic C;
[0043] Step 4, printing the bitmap A after the above processing on the ticket sample;
[0044] Step five, superimpose ...
Embodiment 2
[0047] The unlocking type anti-counterfeiting method described in the second embodiment is as follows.
[0048] Step 1, generating a bitmap A comprising several dots in the drawing software for printing, the bitmap A is provided with a first vector direction X-axis and a second vector direction Y-axis perpendicular to the first vector direction X-axis; The X-axis is consistent with the horizontal arrangement direction of the dots in the dot pattern A, and the Y-axis is consistent with the vertical arrangement direction of the dots in the dot pattern A.
[0049] Step 2, formulate the first pattern obtained for the first re-unlocking, superimpose the first pattern and bitmap A, and then make the dots in the bitmap A within the outline of the first pattern along the X axis Shift once, then delete the first pattern:
[0050] If the first pattern includes graphic B, the dots in the bitmap A that are within the outline of graphic B are displaced b for the first time along the X axi...
Embodiment 3
[0064] The unlocking type anti-counterfeiting method shown in embodiment three includes
[0065] Step 1, generating a bitmap A with a polar coordinate system and including several dots in the drawing software for printing;
[0066] Step 2, formulate the first pattern obtained for the first re-unlocking, superimpose the bitmap A and graphic B, and align the dots in the bitmap A within the outline of the graphic B along with the poles in the polar coordinate system Make the first displacement of the distance s in the direction of the axis at an angle m, and then delete the pattern B, m can be 45°.
[0067] Step 3, formulating the graphic C obtained for the second re-unlocking, the graphic C is superimposed on the bitmap A after rotating the angle p relative to the first pattern, and the angle p satisfies p=90°; the bitmap A is in the graphic The dots in the contour of C are displaced for the second time along the direction of the angle n with the polar axis, and then the graphi...
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