Device and method for detecting printing quality of peculiar spectrum anti-fake label
An anti-counterfeiting label and printing quality technology, applied in printing, image data processing, instruments, etc., can solve the problems of indistinguishability and subsequent operation effects, and achieve the effect of printing quality and control.
Inactive Publication Date: 2014-07-23
LEADER TECH BEIJING DIGITAL TECH
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Problems solved by technology
Due to the characteristics of carbon-containing colorless ink, it cannot be distinguished by conventional equipment such as the naked eye and a magnifying glass
If there are quality defects in the printed anti-counterfeiting label, it will affect its subsequent operation
Method used
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[0042] Such as figure 1 As shown, the special spectral anti-counterfeiting mark is a dot matrix pattern with a specified shape that cannot be distinguished by the naked eye, and the effective area of the dot matrix pattern is not less than 3*3 square millimeters. Since the area of the dot matrix pattern is small, the appearance of the dot matrix pattern in this embodiment will not be affected after it is attached to the surface of the article.
[0043] The lattice pattern is composed of at least one group of information dots with a diameter of 30-40 microns arranged regularly, 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, the distance between two adjacent information dots will be deviated, specifying The shape of the dot matrix will also change, thus forming an invalid code that cannot be recognized. Therefore, the position of the information point ...
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The invention provides a device and method for detecting the printing quality of a peculiar spectrum anti-fake label. The device comprises a PC workstation, a PLC, an image acquisition card, an image acquisition device, a color code counter a and a response processing assembly. The method with the device adopted comprises the steps that an original image of the current peculiar spectrum anti-fake label is acquired; the original image is decoded to judge whether the printing quality of the current peculiar spectrum anti-fake label is up to standard; a count value a corresponding to the original image is sent to an ink jet processing module, and the count value b of the current anti-fake label is acquired through a color code counter b; if the count value a is 1 larger than the count value b, the current anti-fake label is judged to be a substandard anti-fake label analyzed just now; generated substandard information is arranged at a designated position of the current substandard paper in a jet printing mode. By means of the device and method for detecting the printing quality of the peculiar spectrum anti-fake label, an anti-fake label made of peculiar spectrum ink can be detected, and the anti-fake label can be marked if the printing quality of the anti-fake label is below standard, so that control over the printing quality of the anti-fake label is achieved.
Description
technical field [0001] The invention relates to a detection device, in particular to a device and method for detecting the printing quality of a special spectral anti-counterfeit mark. Background technique [0002] At present, special spectral anti-counterfeiting marks are mainly implanted on the surface of objects by printing, coding, etc., by carbon-containing colorless inks that can absorb infrared spectra. Due to the characteristics of carbon-containing colorless inks, it cannot be distinguished by conventional equipment such as the naked eye and a magnifying glass. If there are quality defects in the printed anti-counterfeiting label, it will affect its subsequent operation. [0003] Therefore, in order to solve the above problems, there is an urgent need for a device capable of detecting the printing quality of special spectrum anti-counterfeiting labels. Contents of the invention [0004] Aiming at the deficiencies in the above problems, the present invention prov...
Claims
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IPC IPC(8): G06T7/00B41J3/44
Inventor 姚为宋华彪万宏宇
Owner LEADER TECH BEIJING DIGITAL TECH