Patent ID: 6107917
Filing Date: 2000-08-22
Classification: H04L

Abstract:
An apparatus for bi-directional communication between a host and a motor vehicle, the motor vehicle including an on board computer system having a bus for communicating with a plurality of motor vehicle systems, the apparatus comprising:an electronic tag coupled to the bus, the tag includinga transceiver for transmitting data to and receiving data from the host;a memory for storing bus requests and bus response data;a decoder for decoding requests from the host;a bus interface for reading data from and writing data to the bus, the bus interface extracting responses from the bus responsive to requests from the host, the responses being stored in the memory;a controller responsive to write requests from the host to transfer data to the bus interface and responsive to read requests from the host to transfer data stored in memory back to the host; anda filter operable to filter responses received from the bus and a filter database, the filter database including one or more screening parameters for screening responses received from the bus.