Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Indication or control of braking – acceleration – or deceleration
Reexamination Certificate
2007-09-04
2007-09-04
Black, Thomas (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Indication or control of braking, acceleration, or deceleration
C701S201000, C701S209000, C701S210000, C701S208000, C340S436000, C340S990000
Reexamination Certificate
active
11212896
ABSTRACT:
A method of assisting a driver to negotiate a roadway by identifying a curve from a map database (12); calculating an estimated negotiable speed for the curve (14); advising the driver of the upcoming curve (16); warning the driver if he attempts to negotiate the curve at a speed that is greater than the estimated negotiable speed (18); and controlling the vehicle (10) in order to attempt to safely negotiate the curve (20). When the curve is identified in advance rather in real-time, identification of the curve, and possibly one or more characteristics of the curve as well as the estimated negotiable speed, may be stored for subsequent access and use (22). Furthermore, the advisory, warning, and control behaviors may be varied based on pre-established or determined conditions (24). Additionally, the actual vehicle state as it pertains to entering and exiting the curve may be determined (26).
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Grimm Donald K.
Hermiz Sarmad Y.
Kellum Carroll C.
Sadekar Varsha
Black Thomas
GM Global Technology Operations Inc.
Peche Jorge O
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