Reflection barrier for panoramic display

Details Reflection barrier for panoramic display Reflection barrier for panoramic display

G - Physics

06

F

G06F 7/00 (2006.01)

Patent

CA 2556698

A panoramic display system (10~) includes a curved projection screen (14~), a panoramic projector (12~), and a substantially conically shaped barrier (218). The projector (12~) is configured to project an image onto the projection screen (14~) from a projection point located substantially above the projection screen. The conical barrier (218) has a base (214) disposed toward the bottom of the projection screen (14~), and an apex region (212) disposed toward the projection point. The barrier blocks scattered light from reflecting from portions of the curved screen to other portions thereof.

L'invention concerne un système d'affichage panoramique (10') comprenant un écran de projection arqué (14'), un projecteur panoramique (12'), et une barrière sensiblement en forme de cône (218). Le projecteur (12') est conçu de manière à projeter une image sur l'écran de projection (14') à partir d'un point de projection situé sensiblement au-dessus de l'écran de projection. La barrière conique (218) comporte une base (214) placée à proximité du fond de l'écran de projection (14') et une zone supérieure (212) placée à proximité du point de projection. La barrière empêche la réflexion de la lumière diffusée à partir des parties de l'écran arqué vers d'autres parties de celui-ci.

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