Method of information storage and discriminating device
A technology for information storage and information storage, applied in information storage, collaborative operation devices, static storage and other directions, can solve the problems of complex information identification, high price, limited anti-counterfeiting effect, etc., to achieve simple reading method, simple structure, technical Low cost of promotion
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Embodiment 1
[0019] See attached figure 1 As shown, in this embodiment, the information storage method uses reflective grating elements (circular or square) with different groove densities as the basic unit of information to form a 6×6 two-dimensional array.
[0020] The orientation of adjacent grating grooves is designed to be orthogonal (perpendicular) to each other, which is not only constructed in the form of a two-dimensional array, but the information between the dimensions in the array has no correlation, and the received adjacent color The dots are more clearly defined and uncorrelated, enhancing the chromatic aberration of the dots. According to the diffraction principle of the reflective grating, under the irradiation of panchromatic light, changing the groove density of the grating element, the diffracted light of various colors can be observed at the same viewing angle.
[0021] After designing the corresponding relationship between information points and color points, the gra...
Embodiment 2
[0024] See attached figure 2 As shown, in this embodiment, the identification device for information storage, the power supply [4] is provided by a battery or a power adapter, and the light-emitting device light source [7]] as the incident light adopts a white LED or an ECL cold light source or a miniature electric bead, and is installed on the Below the light guide plate [5]; the light guide plate is an optical element that transforms the original light source into a line light source. It is milky white plexiglass or plastic plate with a layer of reflective film [6] on it. The front end of the light guide plate is convex. Type concentrating end face[2], its working principle is to make the original light source uniform through the principle of refraction or reflection, and converge and shoot from the front end face of the light guide plate with arc-shaped light concentrating effect to form a uniform and enhanced line shape white beam. After the angle adjuster [3] is connect...
Embodiment 3
[0026] In this example, the information storage method described in the present invention is applied to the anti-counterfeiting label of alcoholic goods, for example, color-marking some basic information of alcoholic beverages.
[0027] See attached figure 2 As shown, select a more sensitive color first, and each letter represents a color, such as the three primary colors red, green, and blue, and the corresponding colors are represented by letters as R, G, and B. The three complementary colors cyan, magenta, and yellow correspond to The colors are expressed by letters as C, M, and Y. The forward letters represent horizontal identification information, and the letters rotated 90° counterclockwise represent vertical identification information. Each color corresponds to a number or letter to form a coding rule.
[0028] The above-mentioned color points (artificially specified code) are calculated into a data array of grating groove density, and the laser beam interference metho...
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