发明名称 Carriageway-marking device and system
摘要 A carriageway-marking device (1), comprising: a tubular light pipe (2) having a longitudinally extending light output window (5a) and a light extractor means (6); and a light projector (3) coupled to a first end of said light pipe (2) for projecting light thereinto, characterized in that said light projector (2) comprises a plurality of LEDs (9). <IMAGE>
申请公布号 EP1600559(A1) 申请公布日期 2005.11.30
申请号 EP20040076541 申请日期 2004.05.26
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 PESENTI, MARCELLA
分类号 E01F9/00;F21V8/00;G08G1/09 主分类号 E01F9/00
代理机构 代理人
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