Rolled projection screen
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United States of America Patent
Stats
-
Jan 31, 2017
Grant Date -
Nov 26, 2015
app pub date -
Mar 12, 2013
filing date -
Oct 30, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
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.
First Claim
Family
International Classification(s)
Cited Art Landscape
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