A vehicle tag includes a housing and a tag connector supported by the housing for connecting to a diagnostic jack of a vehicle on-board diagnostic (OBD) system. A tag transmitter is carried by the housing and operative with the tag connector for receiving telemetry data from the OBD system and transmitting...http://www.google.fr/patents/US20040249557?utm_source=gb-gplus-shareBrevet US20040249557 - Vehicle tag used for transmitting vehicle telemetry data
Vehicle tag used for transmitting vehicle telemetry data