Invention Grant
US09551920B2 Tensioned projection screen assembly 有权
张紧投影屏幕总成

Tensioned projection screen assembly
Abstract:
A projection screen assembly is disclosed including a projection screen and a projection screen frame. The projection screen frame includes a plurality of projection screen frame modules that may be coupled together to provide a projection frame for projection screens of different sizes.
Public/Granted literature
Information query
Patent Agency Ranking
0/0