G - Physics – 03 – B
Patent
G - Physics
03
B
G03B 37/00 (2006.01) G03B 21/00 (2006.01) G03B 21/28 (2006.01) G03B 21/56 (2006.01)
Patent
CA 2325495
The invention relates to a method for highly accurate wide-angle projection, according to which a light cone emanating from a projector is diverted by a convex, spherical mirror onto an essentially concave screen. The method is carried out by means of a device for wide-angle projection, comprising at least one projector (24), in front of whose lens (28) a mirror (22) with a spherically convex mirror surface (32) is arranged. The mirror surface (32) faces an essentially spherically concave screen (20).
L'invention concerne un procédé selon lequel, pour permettre une projection grand angle très précise, un cône lumineux sortant d'un projecteur est dévié, par un miroir sphérique convexe, sur un écran sensiblement concave. Ce procédé est mis en oeuvre avec un dispositif pour projection grand angle qui comporte au moins un projecteur (24) devant l'objectif (28) duquel est placé un miroir (22) comportant une surface réfléchissante (32) sphérique, convexe qui fait face à un écran (20) sensiblement sphérique, concave.
Dataframe Vertrieb Audiovisueller Kommunikationssysteme Gmbh
Mcfadden Fincham
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