Route data base generation procedures and systems, processes...

Details Route data base generation procedures and systems, processes... Route data base generation procedures and systems, processes...

2000-11-10

2009-10-27

To, Tuan C (Department: 3663)

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

C340S444000, C342S113000, C342S133000

Reexamination Certificate

active

07610150

ABSTRACT:
A route data base generating system avoids GPS satellite signals sources for land based vehicle azimuth and heading determinations in areas where reception of the satellite signals is unavailable or impaired and relies on vehicle part movements that are equitable to the heading and azimuth changes of the vehicle for determining such vehicle orientations. Part movements equitable to the heading changes are found in the vehicle wheel assemblies. A route data base founded on interconnecting linear route segments that are arranged in and end-to-end serial order is advocated and wherein the angular deviation between connecting segments in the order is predetermined. Various uses of the generating systems and related procedures are advocated for both on-the-road and off-road usage.

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