Multiple projectors on the same screen graphic display system

H - Electricity – 04 – N

Patent

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Details

H04N 5/74 (2006.01) H04N 7/18 (2006.01) H04N 9/12 (2006.01)

Patent

CA 2297981

A projection display system with virtual reality capabilities. The system comprises a multi-pipe graphics engine (27) having a controller (16) cooperating therewith to produce a plurality of different video signals. The system also includes a plurality of projectors (14) which project video images corresponding to and upon receipt of the video signals from the graphics engine and the controller. A screen (30) is positioned relative to the projectors to have the video images projected thereon. The screen, having a top, sides and a bottom, is constructed without supports along the bottom which would interfere with the projection of the images from the projectors completely down to the lowermost bottom periphery of the screen.

L'invention concerne un système d'affichage par projection à fonctions de réalité virtuelle. Le système comprend une machine (27) graphique multitube coopérant avec un contrôleur (16) pour produire une pluralité de signaux vidéo différents. Le système comprend également une pluralité de projecteurs (14) projetant des images vidéo correspondant aux signaux vidéo provenant de la machine graphique et du contrôleur et à réception de ceux-ci. Un écran (30) est positionné par rapport aux projecteurs de sorte que les images vidéo soient projetées sur ce dernier. L'écran, constitué d'une partie supérieure, de côtés et d'une partie inférieure, est fabriqué sans supports sur sa partie inférieure, supports qui entraveraient la projection des images par les projecteurs jusqu'au bas du pourtour de la limite inférieure de l'écran.

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