A system for providing advertising information. The system includes a plurality of motion sensors and a database. The plurality of motion sensors are configured to detect traffic information along one or more roadways and transmitting the detected traffic information. The database is configured to receive...http://www.google.fr/patents/US20040140909?utm_source=gb-gplus-shareBrevet US20040140909 - Method and system for monitoring vehicular traffic using a wireless communications network
Method and system for monitoring vehicular traffic using a wireless ...
Numéro de demande: 10/734,171 Numéro de publication: US 2004/0140909 A1 Date de dépôt: 15 déc. 2003 Brevet délivré: US7098805 ( Date de délivrance 29 août 2006)
