Patent ID: 6789915
Filing Date: 2004-09-14
Classification: E01F

Abstract:
A road-marking system comprising:at least a first (1) and a second road-marking unit (2) each having an emission surface (10; 20), the first unit (1) comprising a first light source (21, 21â€² . . . ) and the second unit (2) comprising a second light source (22, 22â€² . . . ), characterized in that each unit (1; 2) has a shape adapted to a saw-cut recess (9) for accommodating the unit (1; 2) wherein at least one of the light sources comprise an optoelectronic element comprising a light-emitting diode (21, 21â€² . . . ), and a collimator (33, 33â€² . . . ) for collimating light from the light-emitting diode and for directing the light through an opening (39, 39â€² . . . ) in the emission surface (10).