Method for making an object secure, and corresponding object
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United States of America Patent
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May 14, 2019
Grant Date -
Jan 3, 2013
app pub date -
Dec 20, 2010
filing date -
Jan 18, 2010
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Abstract
A method for making an object secure comprises creating a multi-layer graphic signature by superposing, in partial or total transparency, a first random graphic element on a first layer to a second graphic element on a second layer, and storing the graphic signature on or in the object. The method is essentially characterized in that the relative position of the first graphic element and of the second graphic element is random.
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