METHOD OF CODED MARKING OF A PRODUCT OF SMALL SIZE, AND MARKED PRODUCT OBTAINED ACCORDING TO SAID METHOD
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United States of America Patent
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N/A
Issued Date -
Dec 10, 2009
app pub date -
Dec 22, 2006
filing date -
Dec 29, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The method is for coded marking of a product of small size, such as horological or jewelry product (10). The method consists in carrying out a first mathematical operation of encrypting an identifier (13), such as a serial number of the product to be marked using a specific security algorithm key to obtain a first authenticator. The first authenticator includes a first data length defined by a first large number of alphanumerical characters. This first authenticator is encrypted using a second mathematical operation using a Hash type function into a second authenticator. This second authenticator includes a second data length defined by a second reduced number of alphanumerical characters shorter than the first number of characters. The second authenticator is converted into a coded image, which is preferably a two dimensional barcode (11) so as to be placed on the product as the coded mark in order to allow said product to be authenticated.
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