Traffic control system using light emitting diodes

Details Traffic control system using light emitting diodes Traffic control system using light emitting diodes

G - Physics

08

G

G08G 1/0962 (2006.01) G08C 23/04 (2006.01) G08G 1/095 (2006.01) G08G 1/0967 (2006.01) G08G 1/0968 (2006.01)

Patent

CA 2169037

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).

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