Patent ID: 6348993
Filing Date: 2002-02-19
Classification: G03B

Abstract:
A method of manufacturing a translucent screen comprising:altering at least one of a temperature and humidity of at least one of at least one first screen member and at least one second screen member to contract said at least one first screen member and/or expand said at least one second screen member; and securing edges of said at least one second screen member on said at least one first screen member so that said at least one second screen member is held under tension by said at least one first screen member at normal ambient temperature and humidity, wherein said at least one second screen member has a lower rigidity than that of said at least one first screen member, and wherein said at least one first screen member exerts a force on each of said edges of said at least one second screen member outwardly in a direction substantially parallel to said at least one second screen in such a way that said at least one second screen member is stretched at normal ambient temperature and humidity.