ECRAN DE PROJECTION ENROULABLE
The screen (10) has a black color supporting layer (13) rolled on a rolling tube (11) and including a ballast at a lower edge. A white or light gray color projecting surface (12) is fixed to a supporting layer by a junction at an upper edge and on a surface of the screen for receiving a projection e...
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| creator | CHARRIER JEAN PIERRE CONGARD PATRICE BERNARD FRANCOIS BUJON DANIEL |
| description | The screen (10) has a black color supporting layer (13) rolled on a rolling tube (11) and including a ballast at a lower edge. A white or light gray color projecting surface (12) is fixed to a supporting layer by a junction at an upper edge and on a surface of the screen for receiving a projection e.g. video image projection, where the projecting surface has smaller dimension than that of the supporting layer. The projecting surface is positioned with respect to the supporting layer, so that the lower edge is lower than the upper edge, when the screen is unrolled. |
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| subjects | ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHY PHYSICS |
| title | ECRAN DE PROJECTION ENROULABLE |
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