Projection arrangement with a projector and a deflecting mirror

Details Projection arrangement with a projector and a deflecting mirror Projection arrangement with a projector and a deflecting mirror

G - Physics

03

B

G03B 21/28 (2006.01) G02B 26/10 (2006.01) G03B 21/26 (2006.01) G03B 21/56 (2006.01) G09B 27/02 (2006.01) H04N 9/31 (2006.01)

Patent

CA 2317037

The invention relates to a projection system comprising a projector (10) and a deflection mirror (11), in which the projected image, after following a direction of projection along a principal axis of projection (5), strikes the deflection mirror (11) which is mounted such that it can be moved in two spatial directions.he mirror surface of said mirror deflects a projected light bundle (22) at an elevation angle and an azimuth angle onto a projection surface (9) positioned on the ground (4). The image is projected from the direction of a zenith (2) at an angle .beta. which is less than 60~ in relation to a vertical starting from said zenith (2). The deflection mirror (11) is positioned on the ground (4). The projected light bundle (22) can be deflected towards the projection surface (9) such that an image (6) can be created on said projection surface (9) and displaced on same.

L'invention concerne un dispositif de projection comportant un projecteur (10) et un miroir de déviation (11), dans lequel la projection de l'image vient frapper, en suivant une direction de projection le long d'un axe de projection principal (5), le miroir de déviation (11) monté de façon à pouvoir se déplacer dans deux directions spatiales et dont la surface de réflexion dévie un faisceau lumineux (22) projeté à un certain angle d'élévation et à un certain d'angle d'azimut sur une surface de projection (9) se trouvant sur le sol (4). La projection de l'image se fait à partir d'un point zénithal (2) et à un angle .beta. inférieur à 60· par rapport à une verticale partant dudit point zénithal (2), et le miroir de déviation (11) est placé sur le sol (4), le faisceau lumineux (22) projeté pouvant être dévié vers la surface de projection (9) et, ainsi, une image (6) pouvant être produite et déplacée sur cette surface de projection (9).

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