发明名称 Inflatable portable projection screen
摘要 The cold-air inflatable portable projection screen has two inflatable towers that are connected by an inflatable tube or cross member. A fine mesh material may be suspended between the two towers to form a projection screen. Tethers connected to the towers serve to anchor the structure to the ground. Electric blowers or fans continuously blow air into the structure to keep it erect.
申请公布号 US6008938(A) 申请公布日期 1999.12.28
申请号 US19970852514 申请日期 1997.05.07
申请人 SUEHLE, JOHN S.;SUEHLE, JOSEPH E.;SUEHLE, ANDREW G. 发明人 SUEHLE, JOHN S.;SUEHLE, JOSEPH E.;SUEHLE, ANDREW G.
分类号 E01F9/012;G03B21/56;G03B21/58;(IPC1-7):G03B21/56 主分类号 E01F9/012
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