G - Physics – 08 – G
Patent
G - Physics
08
G
G08G 1/095 (2006.01)
Patent
CA 2254271
A traffic control system (10) including a road (12), a vehicle (14) traveling on the road (12) and a traffic light assembly (16) operatively associated with the road (12) is disclosed. The traffic light assembly (16) comprises at least one traffic light or lamp means (18). The traffic light (18) includes a plurality of light emitting diodes (24) for projecting light rays to the vehicle (14) to provide the driver of the vehicle (14) with a visual signal. The system (10) further comprises a transmitter (20) including a power supply (30) and a modulator (72) for turning the diodes (24) on and off at a rate that is imperceivable to humans while optically transmitting information to a receiver (22) disposed on the vehicle (14).
Cette invention concerne un système de régulation de la circulation (10) sur voirie (12) de véhicules (14). Il fait appel à un dispositif de signalisation (16) installé à un endroit appropriée sur la voirie (12). Les feux (18) du dispositif de signalisation comportent une série de diodes électroluminescentes (24) projetant des rayons de lumière vers un véhicule (14) pour indiquer au conducteur le droit ou l'interdiction de passer. Le système (10) comprend par ailleurs un émetteur (20) à bloc d'alimentation (30) et modulateur (72) conçus pour faire clignoter les diodes à une fréquence imperceptible par l'oeil humain, mais propre à transmettre des données à un récepteur (22) placé sur le véhicule.
Hochstein Peter A.
Smart & Biggar
LandOfFree
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