Device and method of optical signaling for road or traffic...

E - Fixed Constructions – 01 – F

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E01F 9/00 (2006.01)

Patent

CA 2584245

An optical signaling apparatus for use in highways or roadways (2), particularly in low visibility conditions, wherein a roadway (2) comprises at least one traffic bearing surface (S) with at least one edgeline (3). The apparatus comprises light-emitting means (4) for emitting at least one laser beam (5) and support means (6) designed to be arranged along the roadway (2) for supporting the light-emitting means (4). The apparatus also includes optical means (7) arranged along the roadway (2) for interacting with the beam (5) in such a manner as to selectively conform and project it either in a first direction (D1) which is incident on at least one edgeline (3) to interact therewith, or in a second direction (D2) substantially parallel to the traffic bearing surface (S) to define a substantially continuous optical path that can be viewed by the users, or even in both such directions (DI, D2).

L'invention concerne un dispositif de signalisation optique destiné à s'utiliser sur les routes ou les autoroutes (2), notamment dans des conditions de mauvaise visibilité, la route (2) comprenant au moins une surface destinée au trafic (S) avec au moins une ligne de bord (3). L'appareil comprend des moyens lumineux (4) destinés à émettre au moins un faisceau laser (5) et des moyens de support (6) destinés à être ménagés le long de la route (2) de manière à servir de support aux moyens lumineux (4). L'appareil comprend aussi des moyens optiques (7) ménagés le long de la route (2) de manière à interagir avec le faisceau (5) de façon à se conformer sélectivement et à effectuer la projection soit dans une première direction (D1) qui est incidente à la première ligne de bord (3) pour interagir avec elle soit dans une deuxième direction (D2) sensiblement parallèle à la surface destinée au trafic (S), de manière à définir un trajet optique sensiblement continu qui peut être vu par les utilisateurs, ou même dans les deux directions (D2, D2).

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