Optical code reading device having more than one imaging engine

Details Optical code reading device having more than one imaging engine Optical code reading device having more than one imaging engine

H - Electricity

04

N

H04N 1/107 (2006.01) G06K 7/10 (2006.01) H04N 1/00 (2006.01) H04M 1/725 (2006.01)

Patent

CA 2508604

A mobile computing device is provided having more than one imaging engine, and preferably, two imagining engines. Switching circuitry is provided for switching between the two imaging engines. Each imaging engine is optimized for use in specific applications and includes different specifications from the other imaging engine. Preferably, one imaging engine is optimized to provide higher resolution images than the other imaging engine, and one imaging engine is optimized to focus an object located 7.50 to 12.50 cm from the mobile computing device (near-to-mid range imaging), while the other imaging engine is optimized to focus an object located from 12.50 cm to infinity from the mobile computing device (mid-to-far range imaging). One imaging engine preferably includes a color image sensor, while the other imaging engine includes a black and white image sensor.

L'invention concerne un appareil de calcul mobile doté de plusieurs moteurs d'imagerie, de préférence de deux moteurs d'imagerie. Des circuits de commutation permettent de commuter entre les deux moteurs d'imagerie, chaque moteur d'imagerie étant optimisé pour servir dans des applications spécifiques et comportant des spécifications différentes de celles de l'autre moteur. Un des moteurs d'imagerie est de préférence optimisé pour fournir des images de plus grande résolution que l'autre, et un des moteurs d'imagerie est optimisé pour une focalisation sur un objet situé 7.50 à 12.50 cm de l'appareil de calcul mobile (imagerie de courte à moyenne distance), l'autre moteur d'imagerie étant optimisé pour une focalisation sur un objet situé 12.50 cm à l'infini de l'appareil de calcul mobile (imagerie de moyenne à longue distance). Un des moteurs d'imagerie est de préférence doté d'un capteur d'images couleur, alors que l'autre est pourvu d'un capteur d'images noir et blanc.

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