发明名称 Audiovisual presentation device
摘要 <p>The apparatus includes a roll-up projection screen with a stand. The stand is a suitcase (1) comprising two hinged parts (1a,1b) that can be folded towards each other. When closed, the suitcase receives the winding shaft of the screen, aligned parallel to the folding axis of the case. The case accommodates all audio devices and loudspeakers.</p>
申请公布号 EP1231783(A1) 申请公布日期 2002.08.14
申请号 EP20020002420 申请日期 2002.02.01
申请人 DDC DESIGN & DEVELOPMENT GMBH & CO. KG 发明人 LEIPOLD, FRANK
分类号 H04N5/74;(IPC1-7):H04N5/74 主分类号 H04N5/74
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