Extended working range dataform reader including fuzzy logic...

G - Physics – 06 – K

Patent

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Details

G06K 7/10 (2006.01) G01J 3/51 (2006.01) G06G 7/00 (2006.01) G01J 3/10 (2006.01) G01J 3/28 (2006.01) G01J 5/08 (2006.01)

Patent

CA 2234617

A portable data collection system including a dataform reader module (10) having a board camera electrically coupled to a control and decoder board (14) in an open loop feedback configuration. The control and decoder board (14) includes fuzzy logic image control circuitry (18) which analyzes a captured frame of a video image including a dataform produced by the board camera (14). Based on the analysis of the captured image, the fuzzy logic image control circuitry (18) generates control signals to adjust operating parameters of the board camera (14) such that an image suitable for decoding is produced.

La présente invention concerne un système portable de collecte de données, avec module (10) lecteur de symboles informatiques équipé d'une caméra reliée électriquement à un module de commande et de décodage (14), dans une configuration à réaction en boucle ouverte. Le module de commande et de décodage (14) comporte des circuits (18) de commande d'image à logique floue, qui analysent une trame saisie d'une image vidéo qui comprend un formulaire informatique produit par la caméra du module (14). Sur la base de l'analyse de l'image saisie, les circuits (18) de commande d'image à logique floue produisent des signaux de commande pour régler les paramètres de fonctionnement de la caméra du module (14), de telle sorte qu'une image se prêtant au décodage est produite.

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