Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle diagnosis or maintenance indication
Reexamination Certificate
2005-05-18
2009-08-11
Tran, Khoi (Department: 3664)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle diagnosis or maintenance indication
C701S216000, C701S029000, C340S441000, C340S442000, C340S444000, C073S146200, C073S146400, C152S456000, C301S005100, C301S005240
Reexamination Certificate
active
07574292
ABSTRACT:
A method and system for calibrating speed of a vehicle having a plurality of wheels includes a wheel speed sensor coupled to each of the wheels for providing a first vehicle speed based on an average tire size associated with the plurality of wheels. A GPS sensor provides a second vehicle speed based on a change in position of the vehicle over a predetermined period of time. A control module automatically calibrates the speed of the vehicle based on a comparison of the first and second vehicle speeds.
REFERENCES:
patent: 5971597 (1999-10-01), Baldwin et al.
patent: 6313742 (2001-11-01), Larson
patent: 6417668 (2002-07-01), Howard et al.
Basson David A.
Hoeffel James J
Kocher, II Charles W.
Amin Bhavesh V
Chrysler Group LLC
Smith Ralph E.
Tran Khoi
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