Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Patent
1996-09-13
1999-03-02
Louis-Jacques, Jacques H.
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
701201, 701210, 73178R, 340990, 340988, G06G 778
Patent
active
058783687
ABSTRACT:
A navigation system permits the user to designate certain roads or areas to avoid when planning a route. The navigation system generally includes a database of road segments and a cost associated with the road segments, such as estimated time of travel across that road segment and estimated length of travel across that road segment. The navigation system determines a route from a selected beginning point to a desired destination by evaluating the cost of the road segments to be traveled in several potential routes and recommends the potential route having the lowest total cost. The user can selectively modify the cost of selected road segments to indicate a preference or avoidance of such roads. By increasing the cost of a road segment, the navigation system is less likely to recommend a potential route which includes that road segment. Similarly, by decreasing the cost of a selected road segment, the navigation system is more likely to recommend a potential route which includes that road segment.
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Louis-Jacques Jacques H.
Magellan Dis, Inc.
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