Apparatus for navigating vehicle

Details Apparatus for navigating vehicle Apparatus for navigating vehicle

1989-06-30

1991-09-03

Black, Thomas G.

Boots, shoes, and leggings

364443, 364450, 340990, G06F 1550

Patent

active

050460110

ABSTRACT:
Disclosed is a navigation apparatus for showing a driver the current position of his vehicle by estimating the vehicle position on the basis of the travel direction and travel distance thereof and matching the current vehicle position thus estimated to map information stored previously. The apparatus disclosed is capable of navigating a vehicle with accuracy even if it is traveling on a road which is not stored in memory; in that case, the apparatus repeats comparison of the vehicle travel direction with the directions in which lie the current vehicle position and respective nodes stored in memory, and accumulates the comparison results so as to infer the arrival of the vehicle at its destination which corresponds to one of the nodes stored in memory.

REFERENCES:
patent: 4763270 (1988-08-01), Itoh et al.
patent: 4792907 (1988-12-01), Ikeda et al.
patent: 4796191 (1989-01-01), Honey et al.
patent: 4890104 (1989-12-01), Takanabe et al.

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