B - Operations – Transporting – 60 – Q
Patent
B - Operations, Transporting
60
Q
B60Q 1/52 (2006.01)
Patent
CA 2182186
The invention concerns a vehicle-mounted device for signalling a distance warning to other road users, in particular to immediately following vehicles. At least one visible laser beam is emitted by the device towards the rear, i.e. in the opposite direction to that in which the vehicle is travelling, and angled down towards the road surface. The laser beam is kept aimed at an angle such that the distance between the vehicle and the point of impact of the beam on the road surface is approximately equal to the safety distance which an immediately following vehicle should observe. The device is used to emit, particularly in poor weather conditions, a signal which is clearly visible but not dazzling and which indicates to the driver of a following vehicle the safety distance to be observed. The device can at the same time be used to give information on the acceleration/deceleration status of the vehicle on which it is mounted.
Dispositif permettant à un véhicule circulant au milieu d'autres véhicules, de transmettre un signal à des véhicules qui le suivent immédiatement: Au moins un faisceau laser visible est émis, à partir dudit dispositif, ledit faisceau laser étant dirigé dans le sens opposé au déplacement du véhicule, vers l'arrière, sur la chaussée. Le faisceau laser est dirigé en permanence de telle façon que la distance entre le véhicule et le point d'impact dudit faisceau sur la chaussée corresponde à peu près à la distance de sécurité que le véhicule suivant immédiatement doit maintenir. Le dispositif émet, principalement dans les conditions de mauvais temps, un signal visible, mais non éblouissant, indiquant au conducteur du véhicule qui suit la distance de sécurité à respecter. Le dispositif peut en même temps être utilisé pour donner des informations sur l'état d'accélération/de décélération du véhicule sur lequel il est monté.
Bleiner Thomas
Smart & Biggar
LandOfFree
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