发明名称 Anti-Bulging Projection Screen Structure
摘要 A home cinema theater projection screen structure and method of making same are provided wherein a sheet of projection screen material of selected size is formed to a configuration having concave top and/or bottom edges, the projection screen material then being attached under tension to a mounting structure that defines an inwardly curved projection surface in the mounted condition whereby bulging of the projection surface of the screen is substantially eliminated. Movable side masking panels are included the structure in order to define a selected aspect ratio for the projection surface.
申请公布号 US2008062516(A1) 申请公布日期 2008.03.13
申请号 US20070853972 申请日期 2007.09.12
申请人 STEWART PATRICK H;RIVERA JOAQUIN 发明人 STEWART PATRICK H.;RIVERA JOAQUIN
分类号 G03B21/60 主分类号 G03B21/60
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