A visual display system having a large field of view

Details A visual display system having a large field of view A visual display system having a large field of view

G - Physics

02

B

G02B 27/01 (2006.01) G03B 21/00 (2006.01) G09B 9/05 (2006.01) G09B 9/30 (2006.01) G09B 9/32 (2006.01)

Patent

CA 2217639

A visual display system (2) having a large field of view, which visual display system (2) comprises at least one projector (12) which has at least one exit pupil (14) and which in use is positioned remote from a head of a user of the visual display system, optical imaging means (6) for imaging the exit pupil (14) of the projector (12) onto eye pupils of the user (4), tracking means (18) for tracking the head (10) of the user (4), and control means (20) for positioning and orientating the projector (12) such that the exit pupil (14) of the projector (12) remains imaged on the eye pupils of the user (4) as the head (10) of the user (4) moves throughout the field of view and viewing volume.

Un dispositif de visualisation (2) à champ visuel étendu comporte au moins un projecteur (12) doté d'au moins une pupille de sortie (14), ledit projecteur étant, en cours d'utilisation, positionné à distance de la tête d'un utilisateur dudit dispositif de visualisation, un organe d'imagerie optique (6) conçu pour créer une image de ladite pupille de sortie (14) du projecteur (12) sur les pupilles oculaires de l'utilisateur (4), un organe de poursuite (18) conçu pour suivre la tête (10) de l'utilisateur et un organe de commande (20) conçu pour positionner et orienter le projecteur (12) de telle sorte que l'image de sa pupille (14) reste présente sur les pupilles oculaires de l'utilisateur (4) lorsque la tête de cet utilisateur se déplace à l'intérieur du champ visuel et du volume de visualisation.

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