发明名称 Multilayer light marking panel - has light source behind panel to transmit light via conductive peg to front of panel to mark point on map
摘要 <p>Multi-layer light marking panel has light source, light beam conducting marking pegs, outer and inner layers. The light source is arranged behind the panel plane. The light marking panel and accessories are arranged in a common housing. The panel comprises an outer support layer for the sections of maps, drawings, pictures etc. and behind it an inner layer of plastic foam. An electrically conducting layer (3) follows the layer of plastic foam and an electrically insulating layer (4) is arranged behind the first layer (3). The length of the marking pegs (5) is greater than the thickness of the panel.</p>
申请公布号 DE2630870(B1) 申请公布日期 1978.01.05
申请号 DE19762630870 申请日期 1976.07.09
申请人 SCHAEFER JOSEF BLIFA LITO 发明人 SCHAEFER JOSEF
分类号 G09F9/305;(IPC1-7):09F9/44 主分类号 G09F9/305
代理机构 代理人
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