Electronic whiteboard system and assembly with optical...

G - Physics – 06 – F

Patent

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G06F 3/042 (2006.01) G06F 3/14 (2006.01)

Patent

CA 2727281

An electronic whiteboard system and assembly comprises optical detection elements. The electronic whiteboard system includes a writing/display surface and a retro-reflective perimeter surrounding the edge of the surface. A user can mark upon the surface or interact with an image displayed on the surface using an input device. The perimeter can reflect light beams emitted from optical detection elements located at the corners of the surface to identify the position of the input device relative to the writing surface and/or projected image. The electronic whiteboard assembly includes one or more electronic whiteboard systems coupled together with a connector element having two retro-reflective surfaces.

Linvention concerne un système et un ensemble de tableau blanc électronique comprenant des éléments de détection optique. Le système de tableau blanc électronique comprend une surface décriture/affichage et un périmètre rétro-réfléchissant entourant le bord de la surface. Un utilisateur peut écrire sur la surface ou interagir avec une image affichée sur la surface à laide dun dispositif de saisie. Le périmètre peut réfléchir les rayons lumineux émis par des éléments de détection optique situés aux coins de la surface afin didentifier la position du dispositif de saisie par rapport à la surface décriture et/ou limage projetée. Lensemble de tableau blanc électronique comprend un ou plusieurs systèmes de tableau blanc électronique couplés les uns aux autres par un élément connecteur possédant deux surfaces rétro-réfléchissantes.

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