An image projection display system for use in large...

Details An image projection display system for use in large... An image projection display system for use in large...

G - Physics

02

B

G02B 27/18 (2006.01) G02B 27/14 (2006.01) G03B 37/04 (2006.01) G09B 9/32 (2006.01)

Patent

CA 2243183

An image projection display system (48) for use in large field-of-view presentation, which image projection display system (48) comprises a fold mirror arrangement (30) and a plurality of projection devices (64), the image projection display system being such that light beams from the projection devices (64) are optically combined by the fold mirror arrangement (30) so as to appear to be projected from essentially a common equivalent eye point (66), whereby the displayed information of adjacent projected displays is able to be correctly aligned with respect to a design eye point (56) without the need to apply distortion to the images.

L'invention a pour objet un système de visualisation par projection d'images (48) à utiliser dans une présentation à vaste champ de vision, ledit système (48) comprend un miroir pliant (30) et une pluralité de projecteurs (64). Ce système est conçu de manière à ce que les faisceaux de lumière provenant des projecteurs (64) soient combinés optiquement par le miroir pliant (30), pour donner l'impression d'être projetés essentiellement à partir d'un point-oeil commun équivalant au point de projection (66). On peut ainsi aligner correctement par rapport à l'oeil d'un spectateur (56) l'information visualisée correspondant aux images-écran projetées adjacentes, sans qu'il ne soit nécessaire d'appliquer une distorsion sur les images.

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