Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Patent
1996-11-08
1999-09-07
Cuchlinski, Jr., William A.
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
701213, 342357, 342457, G01S 502
Patent
active
059480432
ABSTRACT:
A system for tracking an object (for example tracking an automobile as it moves over streets) using an electronic map and a GPS receiver. The GPS receiver accepts data from a number of satellites and determines a GPS derived position and velocity. Based on the previous position of the object, the GPS derived position, the velocity, the DOP and the continuity of satellites for which data is received, the system determines whether the GPS data is reliable. If the GPS data is reliable, the previous position of the object is updated to the GPS derived position. The updated position is then matched to a map of roads.
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Cuchlinski Jr. William A.
Etak, Inc.
Pipala Ed
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