On-vehicle path guide apparatus and path search method

Details On-vehicle path guide apparatus and path search method On-vehicle path guide apparatus and path search method

1996-12-24

1999-11-02

Zanelli, Michael J.

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

701201, 701211, G01C 2100, G06F16500

Patent

active

059787325

ABSTRACT:
In an on-vehicle path guide apparatus and a path search method, by using path search network data and path search index data, path search index data searching device searches for a recommended path from a current position of an own vehicle to a set destination in stages and at high speed so as to guide a passenger. The data are selectively used according to a distance to the destination to efficiently search for the recommended path. The path search index data has a hierarchical structure, and a small capacity memory is mounted.

REFERENCES:
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patent: 5712788 (1998-01-01), Liaw et al.
patent: 5752217 (1998-05-01), Ishizaki et al.
patent: 5815161 (1998-09-01), Emmerink et al.

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