A stereoscopic display

H - Electricity – 04 – N

Patent

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Details

H04N 13/04 (2006.01)

Patent

CA 2559920

A stereoscopic display (10) comprising a concave mirror (12) that acts as a directional screen, a projection system (18) including a plurality of reflecting surfaces for directing first and second images (19) onto focusing means, and a beam splitter (14) between the mirror (12) and the focusing means for directing light from the focusing means towards the mirror (12) whilst allowing light reflected from the mirror (12) to be transmitted therethrough. In a preferred embodiment, the focusing means comprise a single lens for focusing both of the first and second images toward the concave mirror. Ideally, a tracking system (16) is employed to detect movement of a user's head and/or eyes and move the concave mirror so that it tracks any such detected movement.

L'invention concerne un écran stéréoscopique (10) comprenant un miroir concave (12) servant d'écran directionnel, un système de projection (18) comprenant une pluralité de surfaces réfléchissantes permettant de diriger les première et seconde images (19) sur des moyens de focalisation et un séparateur de faisceau (14) entre le miroir (12) et les moyens de focalisation permettant de diriger la lumière provenant des moyens de focalisation vers le miroir (12) tout en permettant à la lumière réfléchie de miroir (12) d'être transmise. Dans un mode de réalisation préféré, les moyens de focalisation comprennent une seule lentille de focalisation des première et seconde images vers le miroir concave. Idéalement, on utilise un système de suivi (16) pour détecter le mouvement de la tête d'un utilisateur et/ou de ses yeux et pour déplacer le miroir concave de manière qu'il suive tout mouvement détecté.

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