Automated system and method for identifying and measuring...

G - Physics – 06 – K

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G06K 7/10 (2006.01) B07C 1/00 (2006.01) B07C 5/10 (2006.01) B07C 5/34 (2006.01) G01B 11/04 (2006.01) G06K 9/18 (2006.01)

Patent

CA 2325527

A fully automated package identification and measuring system, in which omni- directional laser scanning systems (10, 101, 107) are used to read bar codes on packages entering the tunnel, while a package dimensioning subsystem (600) is used to capture information about the package prior to entry into the tunnel. Mathematical models are created on a real-time basis for the geometry of the package and the position of the laser scanning beam used to read the bar code thereon. The mathematical models are analyzed to determine if collected and queued package identification data is spatially and/or temporally correlated with package measurement data using vector-based ray-tracing methods, homogeneous transformations, and object-oriented decision logic so as to enable simultaneous tracking of multiple packages being transported through the scanning tunnel.

L'invention concerne un système entièrement automatisé d'identification et de mesure de conditionnements, dans lequel des systèmes (100, 101, 107) de lecture laser omnidirectionnels sont utilisés pour lire les codes-barres que portent les conditionnements entrant dans le tunnel, alors qu'un sous-système (600) de dimensionnement du conditionnement est utilisé pour recueillir des informations relatives au conditionnement avant son entrée dans le tunnel. On crée en temps réel des modèles mathématiques correspondant à la géométrie du conditionnement et à l'emplacement du faisceau de lecture laser utiliser pour lire les code-barres. Une analyse de ces modèles mathématiques permet de déterminer si les données relatives au conditionnement, recueillies et mises en files d'attente, comportent des corrélations spatiales et/ou temporelles avec les données de mesure du conditionnement grâce à des procédés de lancer de rayons à vectorisation, des transformations homogènes, et une logique de décision orientée objet de manière à permettre le suivi simultané de plusieurs conditionnements transportés à travers le tunnel de lecture.

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