发明名称 Portable projection screen assembly
摘要 A portable screen assembly includes a first side support connected to a fabric, a second side support connected to the fabric, and a center support assembly. An expandable support brace is also included in the portable screen assembly. The expandable support brace is connected to the center support assembly, the first side support, and the second side support. A portable screen assembly capable of reproducing sound includes a first side support, a second side support, and a center support assembly. A speaker capable of reproducing sound is incorporated within at least one of the first side support, the second side support, and the center support assembly.
申请公布号 US2007121088(A1) 申请公布日期 2007.05.31
申请号 US20060353796 申请日期 2006.02.14
申请人 SEIKO EPSON CORPORATION 发明人 LIANG ERNIE;MISHRA RAJEEV;FORD MATT;TIVNON MATT;BERGOLD RON;BRICKUS JONAS;VOLLMER BRYAN
分类号 G03B21/22 主分类号 G03B21/22
代理机构 代理人
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