Patent
Vehicle speeding detection and identification
TLDR
In this article, a method and system in automobile traffic control for warning drivers that they are exceeding the speed limit using an alpha-numeric variable message sign (50) proximate the roadway.Abstract:
A method and system in automobile traffic control for warning drivers that they are exceeding the speed limit using an alpha-numeric variable message sign (50) proximate the roadway. The sign displays the license plate number, owner's name and the vehicle's speed. The system includes an opto-electric license plate reader (10) and a computer system (31) having a database of license numbers and associated information, including owner's names and make and model of licensed vehicles.read more
Citations
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LED light communication system
John C. Pederson,Paul R. Brown,Timothy J. Vogt,James LeClaire,James Zimmerman,Brent Mikkelsen +5 more
TL;DR: In this article, an LED light and communication system includes at least one optical transceiver, the optical transceivers including a light support and a processor, the processor is capable of illuminating the light emitting diodes to simultaneously create a first light signal and a second light signal, the first signal being observable to the unaided eyes of an individual and the second signal not being observable.
References
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Patent
Traffic speed surveillance system
TL;DR: In this paper, a traffic speed surveillance system is provided by a set of monitor transceivers (8, 10 and 12) located along a roadway and communicating with a central processor.
Patent
Toll collecting system for a vehicle
TL;DR: In this paper, a system for collecting a toll for a vehicle, on which a vehicle number plate is mounted, is disclosed, in which a radio card as a storage medium is provided in the vehicle.
Patent
Light modulating smart card
TL;DR: In this article, a smart card traffic enforcement system is proposed, where a plurality of the smart cards are carried by the automobiles on the highway and contain information about the respective automobiles.
Patent
Traffic monitoring device
TL;DR: In this paper, a traffic monitoring device for photographic recording of vehicles exceeding a predetermined speed is used. But the speed of the approaching traffic is measured substantially against the travelling direction, and the vehicles are photographed frontally when they exceed the predetermined speed.
Patent
Device for monitoring traffic violating and for recording traffic statistics
TL;DR: A photographic traffic monitoring device comprises a sensor responding to passing vehicles, for example, an induction loop imbedded in the road for monitoring traffic lights or a Doppler radar as discussed by the authors.