Navigation system for vehicles and storage medium

Details Navigation system for vehicles and storage medium Navigation system for vehicles and storage medium

1996-12-11

2000-08-01

Cuchlinski, Jr., William A.

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

701201, G06F16500

Patent

active

06098015&

ABSTRACT:
In a navigation system, user preferred road data is determined and stored during travel to supplement fixed road data such as map data, intersection data, node data, and destination data stored in CD-ROM for subsequent use in providing route guidance in accordance with user road preferences. The user preferred road data is the data of actual trips, and the preference of the user is reflected in the user preferred road data. To determine user preferences, either the user preferred road data is compared to the fixed road data or a searched route calculated from the user preferred road data and CD-ROM data is compared with the searched route calculated from CD-ROM data. By using the determined user preferences in route searching, it is possible to provide more elaborate route searching and route guidance in accordance with the preference of the user.

REFERENCES:
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patent: 5406490 (1995-04-01), Braegas
patent: 5614895 (1997-03-01), Ohomori et al.
patent: 5712632 (1998-01-01), Nishimura et al.
patent: 5752217 (1998-05-01), Ishizaki et al.

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