发明名称 ROLLED PROJECTION SCREEN
摘要 A roller projection screen, including a projection screen material having a reflective front surface, onto which an image may be projected, and a back surface. The projection screen material is secured to a roller at an upper edge of the material and the projection screen material can be rolled in a spiral fashion in multiple layers around the roller. A buffer material is secured to the roller or to the back surface of the projection screen material so as to be adjacent the back surface and so as the be interposed between at least some of the multiple layers of the projection screen material when the projection screen material is rolled about the roller so as to inhibit ladder marks in the projection screen material.
申请公布号 US2015338730(A1) 申请公布日期 2015.11.26
申请号 US201314437436 申请日期 2013.03.12
申请人 MILESTONE AV TECHNOLOGIES LLC 发明人 Henson Tim;Fisher Jim
分类号 G03B21/58;G03B21/60 主分类号 G03B21/58
代理机构 代理人
主权项 1. A rolled projection screen, comprising: a projection screen material having a reflective front surface onto which an image may be projected and a back surface; a roller to which the projection screen material is secured at an upper edge of the projection screen material, the projection screen material rolled about the roller in spiral fashion in multiple layers; and a buffer material secured to the roller or to the back surface of the projection screen material so as to be adjacent the back surface and so as to be interposed between at least some of the multiple layers of the projection screen material when the projection screen material is rolled about the roller.
地址 Eden Prairie MN US