Method for generating and recognizing marks formed by dot matrix and one-dimensional code
A technology of dot matrix graphics and two-dimensional codes, which is applied in the field of anti-counterfeiting marks, can solve problems such as lack of anti-counterfeiting features, achieve high anti-counterfeiting and reliability, and improve anti-counterfeiting performance
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[0040] Such as figure 1 As shown, the mark formed by the dot matrix and the one-dimensional code of the present invention is composed of multiple sets of dot matrix patterns and the one-dimensional code, and the multiple sets of dot matrix patterns are distributed on the outside of the one-dimensional code.
[0041] In this embodiment, the composite sign 1 is composed of four dot matrix patterns 3 and a one-dimensional code 2, and the four dot matrix patterns can surround the outside of the one-dimensional code. Wherein, the four dot matrix patterns are divided into two groups, and are respectively arranged at two top corner positions and two bottom corner positions of the one-dimensional code 2 .
[0042] The dot pattern is composed of at least one group of information dots with a diameter of 30-40 microns, and has a specified shape. Due to the small diameter of the information dots and the preset distance between two adjacent information dots, after being copied or scanned,...
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