Radio frequency highway management system

Details Radio frequency highway management system Radio frequency highway management system

G - Physics

08

G

G08G 1/017 (2006.01) G07B 15/00 (2006.01)

Patent

CA 2302459

Traffic management or enforcement is performed through the use of a monitor transponder in the environs of an RF highway toll collection system. When normally operating transponders communicate with a roadside reader system, the roadside system communicates with the monitor transponder, which in turn signals if a valid normal transponder is detected. If no signal is generated by the monitor transponder, it is evident that the vehicle has no transponder or that the transponder is faulty or invalid.

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