Abstract: Material code recording and reading method and devices designed for protection of products and control of their authenticity. The marking device 1 embeds a sign upon the product 4, the marked product 5 is passed to camera 2 which films the product material structure around the sign and transfers the image to the recording device 3, the latter records the database. The comparing alarm device 8 compares the icon from camera 7 with the icon from database 6 and alarms whether they are identical or not.
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