发明名称 Illuminated display panel for roadway has pair of light sources imbricated together to provide light emissions in different directions
摘要 The illuminated display panel for a road has two light source matrices (5,6) which are imbricated together to provide different directions (X1,2) of light emission. The sources in one group are visible at a distance and those in the other group close up. The light emissions from each group are formed as a cone.
申请公布号 FR2813980(A1) 申请公布日期 2002.03.15
申请号 FR20000011494 申请日期 2000.09.08
申请人 DECAUX S.A. 发明人
分类号 G09F9/33;G09F13/22;G09F19/14;(IPC1-7):G09F9/33;G09F19/22;E01F9/016 主分类号 G09F9/33
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