Vehicular navigation system

Details Vehicular navigation system Vehicular navigation system

1997-06-09

2000-04-04

Cuchlinski, Jr., William A.

Data processing: vehicles, navigation, and relative location

Navigation

Determination of travel data based on the start point and...

705 25, 705206, 705208, 340988, 340990, G06F16500

Patent

active

060472359

ABSTRACT:
The invention provides a vehicular navigation system which is capable of lowering the cost of detecting road data stored in order in the outgoing trip, using the road data as resources in the return trip, and determining a route meeting the requirements of the user. According to a vehicular navigation system of the invention, when a vehicle is traveling on a road having bidirectional data along an outgoing route from a starting point to a destination, a road on the opposite side of the road on which the vehicle is traveling is stored as return route data with a lowered cost of route determination. Such a storing operation is performed for each node passed by the vehicle. The return route data thus stored are used to determine a return route.

REFERENCES:
patent: 5041983 (1991-08-01), Nakahara et al.
patent: 5752217 (1998-05-01), Ishizaki et al.
patent: 5757289 (1998-05-01), Nimura et al.
patent: 5774828 (1998-06-01), Brunts et al.

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