Embodiments of the present invention relate to a wireless appliance for monitoring a vehicle. In an embodiment, the appliance includes: (1) a microprocessor; (2) a vehicle-communication circuit; (3) a GPS module; and (4) a wireless transmitter. The wireless transmitter receives and transmits location-based...http://www.google.fr/patents/US6957133?utm_source=gb-gplus-shareBrevet US6957133 - Small-scale, integrated vehicle telematics device
