G - Physics – 03 – B
Patent
G - Physics
03
B
G03B 27/73 (2006.01)
Patent
CA 2144186
A device for printing colour photographs, comprising a light source (1) generating a light beam which crosses a negative support (2) bearing a photographic image to be printed, and a lens (3) which focalizes the image, after said image has passed through the support (2), on photosensitive paper of a known chromatic sensitivity, wherein at the point of image inversion a circular filter (5) is arranged exhibiting coloured segments of equal size; said filter (5) being disposed perpendicularly to the lens optical axis, and having an axis which is dealigned in relation to the optical axis, a resulting interaxis being adjustable.
Dispositif de tirage de photographies en couleurs, comportant une source lumineuse (1) produisant un faisceau lumineux destiné à traverser un porte-négatif (2) portant l'image photographique à tirer, et une lentille (3) servant à focaliser l'image, une fois que ladite image a traversé le porte-négatif (2), sur du papier photosensible présentant une sensibilité chromatique connue, un filtre circulaire (5) étant placé au niveau du point de renversement de l'image, et doté de segments colorés de dimensions égales. Ledit filtre (5) est perpendiculaire à l'axe optique de la lentille et présente un axe décalé par rapport à l'axe optique, l'entraxe ainsi obtenu étant réglable.
Borden Ladner Gervais Llp
Ingenia S.r.l.
LandOfFree
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