Bowing coefficient representation of curvature of geographic...

Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment

Reexamination Certificate

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C701S025000, C701S207000, C701S026000, C340S988000, C340S457100, C340S146200, C340S146200

Reexamination Certificate

active

06862523

ABSTRACT:
The degree to which a linearly extending feature, such as a road, curves is indicated using a bowing coefficient. The bowing coefficient at a given location along a linearly extending feature is determined by comparing the distance along the feature between two points on either side of the given location (or an approximation of the distance) to a straight-line distance between these same two points. Bowing coefficient data can be used by various vehicle systems that require information about the curvature of linearly extending features, such as roads upon which the vehicle is traveling.

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Pocket Reference, p. 317-by Thomas J. Glover.
U.S. Appl. No. 09/729,939, filed Dec. 5, 2000, entitled “Method and System for Representation of Geographic Features in a Computer-Based System” (not yet published).

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