Vehicle information communication system and method having radio

Details Vehicle information communication system and method having radio Vehicle information communication system and method having radio

1998-12-22

2000-02-15

Pope, Daryl

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340439, 340539, 34082532, 701 29, 701 33, B60Q 100

Patent

active

060257768

ABSTRACT:
A vehicle is equipped with an engine ECU as a vehicle control unit and a transponder unit, which are connected through a communication line. The engine ECU sends out a response data such as a failure self-diagnosis information of the vehicle to the transponder unit through the communication line in response to a request transmitted through a radio wave communication from an external control station. The transponder unit transmits the response data through the radio wave communication to the control station in return to the request. The engine ECU has a circuit which receives the response data through radio wave communication. The engine ECU compares the received response data with the original response data sent out through the communication line. If the two response data agree, it is determined that the response data is transmitted to the control station successfully. However, if the two response data differ from each other, it is determined that there occurred a transmission failure.

REFERENCES:
patent: 5325082 (1994-06-01), Rodriguez
patent: 5760700 (1998-06-01), Ellis
patent: 5767784 (1998-06-01), Khamharn
patent: 5781125 (1998-07-01), Godau et al.
patent: 5940007 (1999-08-01), Brinkmeyer et al.
patent: 5963141 (1999-10-01), Takamatsu
patent: 5969597 (1999-10-01), Weigl et al.

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