Invention Grant
US08594915B2 Traffic alert system and method 失效
交通警戒系统和方法

Traffic alert system and method
Abstract:
A system is provided that includes a network server and a plurality of mobile devices that communicate with the network server. Each mobile device is associated with a vehicle and is configured to provide Global Positioning System (GPS) parameters to the network server. The network server uses the GPS parameters to detect traffic congestion in a zone.
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