Laser-based railroad signal light

Details Laser-based railroad signal light Laser-based railroad signal light

B - Operations, Transporting

61

L

B61L 9/04 (2006.01) B61L 5/18 (2006.01) F21V 8/00 (2006.01)

Patent

CA 2243809

A railroad light signal fixture, either for railway/highway grade crossing application or right-of-way use, includes one or more housings, each having a signal light aperture. There is a lens structure covering the aperture and there is a light source positioned within a housing opposite the lens structure. The light source includes an array of laser diodes which provide light within a specific color spectrum as required for the specific application.

Signal lumineux ferroviaire, destiné à des passages à niveau ferroviaires/autoroutiers ou servant à indiquer la priorité de passage. Le signal lumineux comprend un ou plusieurs boîtiers dotés chacun d'une ouverture pour le passage de la lumière de signalisation. Une lentille recouvre cette ouverture, et une source lumineuse est placée à l'intérieur d'un logement à l'opposé de la lentille. La source lumineuse se compose d'un réseau de diodes laser grâce auquel on peut obtenir de la lumière dans un spectre chromatique spécifique, selon les besoins d'une application particulière.

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