One-way viewable screen

Details One-way viewable screen One-way viewable screen

D - Textiles, Paper

06

N

D06N 7/00 (2006.01) A47H 23/08 (2006.01) D03D 9/00 (2006.01) D03D 25/00 (2006.01) D04B 21/10 (2006.01) D04H 13/00 (2006.01) E04F 10/02 (2006.01) E06B 9/24 (2006.01) E04H 17/00 (2006.01) G02B 5/22 (2006.01) G02B 17/00 (2006.01)

Patent

CA 2580379

A screen (10) or fencing structure which provides one-way viewing characteristics under conditions of substantially equal lighting on each side of the structure is described. The structure has a fabric which has a light transmission of about 2.8% to about 25%. The first side (12) of the structure has an overall light reflectance to light transmission ratio of greater or equal to about 2.5,. and the opposite side (14) of the structure has an overall light reflectance to light transmission ratio of less than or equal to about 2. Fabrics that can be used to make screen are also described.

La présente invention concerne un écran ou une structure de clôture possédant des caractéristiques offrant une vision unidirectionnelle dans des conditions de lumière sensiblement égale de part et d'autre de cette structure. Cette structure possède une toile qui présente une transmission de la lumière comprise entre environ 2,8 % et environ 25 %. Le premier côté de cette structure possède un rapport réflectance lumineuse totale sur transmission de la lumière supérieur ou égal à environ 2,5 et, le côté opposé de la structure possède un rapport réflectance lumineuse totale sur transmission de la lumière inférieur ou égal à environ 2. Cette invention concerne aussi des toiles qui peuvent être utilisées pour fabriquer des écrans.

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