Security element

G - Physics – 07 – D

Patent

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Details

G07D 7/00 (2006.01) B42D 15/00 (2006.01) G06K 19/08 (2006.01)

Patent

CA 2451548

The invention relates to a security element that is provided with a first code 40 consisting of a magnetic material and/or a second code 30 consisting of an electrically conductive material, in addition to a third, optically readable code 20, for instance in the form of a negative script and/or bar code, which is in the magnetic and/or electrically conductive code or is preferably produced together with a third neutral material 50, wherein the neutral material is neither electrically conductive nor magnetic. According to the invention, all three materials previously cited cannot be optically distinguished, i.e. viewed with the naked eye, by an observer and thereby appear as a uniform coating made of a single material.

L'invention concerne un élément de sécurité présentant un premier code 40 en matériau magnétique et/ou un deuxième code 30 en matériau électroconducteur ainsi qu'un troisième code 20 à lecture optique, par exemple sous forme de représentation blanc sur noir et/ou de code à barres. Ce troisième code, présent dans le code magnétique et/ou électroconducteur, est produit à partir d'un troisième matériau neutre 50 qui n'est ni électroconducteur ni magnétique. Selon la présente invention, les trois matériaux susmentionnés ne peuvent être différenciés optiquement, c.-à-d. à l'oeil nu, par l'observateur et apparaissent ainsi comme un revêtement uniforme, obtenu à partir d'un seul matériau.

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