A location-relevant service system provides location-relevant information to, or performs location-relevant service for, a first mobile unit based on the location of a second mobile unit. In one instance, the first mobile unit is fixed on a vehicle, while the second mobile unit can be provided as a cellular...http://www.google.fr/patents/US20070298766?utm_source=gb-gplus-shareBrevet US20070298766 - DUAL PLATFORM LOCATION-RELEVANT SERVICE
Numéro de demande: 11/741,578 Numéro de publication: US 2007/0298766 A1 Date de dépôt: 27 avr. 2007 Brevet délivré: US7535416 ( Date de délivrance 19 mai 2009)
