Vehicle navigation system which automatically adjusts to a chang

Details Vehicle navigation system which automatically adjusts to a chang Vehicle navigation system which automatically adjusts to a chang

1994-06-16

1995-10-31

Teska, Kevin J.

Boots, shoes, and leggings

364443, 364449, 340995, G06F 1700

Patent

active

054635543

ABSTRACT:
A navigation system installed in vehicle includes: a measurement unit for measuring current position of the vehicle and outputting current position data; a map data storage unit for storing map data; a display unit for displaying information; display control unit for representing, on the display unit, a map on the basis of the map data and position of the vehicle on the basis of the current position data; a transit point storage unit for storing transit point data corresponding to transit points on a way from start point to destination point; a guide unit for representing guide information on the basis of the transit point data; a distance calculation unit for calculating transit point distances from the current position to each of the transit points on the basis of the current position data and the transit point data; a comparison unit for comparing the transit point distances with a reference distance and for detecting a special transit point whose transit point distance is smaller than the reference distance; and a target point determination unit for setting a transit point which is to be passed subsequent to the special transit point as the next target point.

REFERENCES:
patent: 5206811 (1993-04-01), Itoh et al.
patent: 5220507 (1993-06-01), Kirson
patent: 5243528 (1993-09-01), Lefebvre
patent: 5270936 (1993-12-01), Fukushima et al.
patent: 5274387 (1993-12-01), Kakihara et al.
patent: 5283575 (1994-02-01), Kao et al.
patent: 5293163 (1994-03-01), Kakihara et al.
patent: 5307278 (1994-04-01), Hermars et al.
patent: 5311173 (1994-05-01), Komura et al.
patent: 5345388 (1994-09-01), Kashiwazaki

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