Optically readable tag

G - Physics – 06 – K

Patent

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Details

G06K 9/20 (2006.01) G02B 6/00 (2006.01)

Patent

CA 2707633

Embodiments related to the identification of objects via optically readable tags. One disclosed embodi-ment comprises an optically readable tag having a data re-gion comprising a two-dimensional array of optically con-trasting data features, one or more orientation features lo-cated on the tag outside of the data region, and a tracking feature located outside of the data region and having a larg-er size than the orientation features and the data features. Image

L'invention concerne l'identification d'objets au moyen d'étiquettes à lecture optique. Dans un mode de réalisation, la présente invention comporte une étiquette à lecture optique munie d'une zone de données comprenant un réseau en deux dimensions d'éléments de données optiquement contrastées ; un ou plusieurs éléments d'orientation situés sur l'étiquette hors de la région de données ; et un élément de suivi situé hors de la région de données et d'une dimension supérieure à celle des éléments d'orientation et des éléments de données.

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