Interactive large scale touch surface system

Details Interactive large scale touch surface system Interactive large scale touch surface system

G - Physics

06

F

G06F 3/01 (2006.01) G06F 3/041 (2006.01) G06F 3/042 (2006.01)

Patent

CA 2606863

A touch system (100) comprises a large scale touch surface (102) on which an image is presented and at least two imaging devices (C0 to C~3) looking across the touch surface and having overlapping fields of view. Processing structure (108, 110) communicates with the imaging devices and processes image data acquired by the imaging devices to determine pointer contacts on the touch surface using triangulation. The processing structure further executes at least one application to facilitate user interaction with the touch surface. Methods of interacting with the touch surface are also disclosed.

L'invention concerne un système tactile (100) comprenant une surface tactile de grande échelle (102) sur laquelle une image est présentée, et au moins deux dispositifs d'imagerie (C0 à C''3) situés de chaque côté de la surface tactile et présentant des champs de visualisation superposés. Une structure de traitement (108, 110) communique avec le dispositif d'imagerie et traite des données d'image acquises par les dispositifs d'imagerie pour déterminer les points de contact du pointeur sur la surface tactile au moyen d'une triangulation. La structure de traitement exécute également au moins une application pour faciliter l'interaction de l'utilisateur avec la surface tactile. L'invention concerne encore des méthodes d'interaction avec la surface tactile.

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