Coded items for labelling objects

Details Coded items for labelling objects Coded items for labelling objects

G - Physics

06

K

G06K 19/06 (2006.01) G06K 19/063 (2006.01) G09F 3/00 (2006.01)

Patent

CA 2188386

A microparticle which is invisible to the naked eye and is marked with a machine readable code. A tagging compound comprising a powder, fluid or gas when mixed with one or more set or sets of microparticles of which each has a predetermined shape representative of a unique code selected from a multiplicity of such codes, such that the presence of the microparticles is undetectable to the naked eye.

L'invention concerne une microparticule invisible à l'oeil nu, marquée d'un code lisible par une machine. L'invention concerne également un composé de marquage comprenant une poudre, un fluide ou un gaz, que l'on a mélangé avec un ou plusieurs ensemble(s) de microparticules, chaque microparticule possédant une forme prédéterminée représentative d'un code unique choisi parmi une multiplicité de tels codes, de manière à rendre la présence des microparticules indécelable à l'oeil nu.

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