On-board vehicle position detector

Details On-board vehicle position detector On-board vehicle position detector

1991-09-10

1993-10-26

Chin, Gary

Boots, shoes, and leggings

364450, 342357, G06F 1550

Patent

active

052571955

ABSTRACT:
An on-board vehicle position detector includes a dead reckoning position detector 4 and a GPS receiver 6, the outputs of which are stored in the dead reckoner data memory unit 8 and the GPS data memory unit 7, respectively, at a predetermined sampling period. Usually, the position of the vehicle is determined on the basis of the data obtained via the GPS receiver 6. When, however, the vehicle travel distance between two successive sampling times as determined via the GPS receiver 6 becomes abnormally large, the position data of the dead reckoning position detector 4 is selected.

REFERENCES:
patent: 4459667 (1984-07-01), Takeuchi
patent: 4688176 (1987-08-01), Hirata
patent: 4731613 (1988-03-01), Endo et al.
patent: 4899285 (1990-02-01), Nakayama et al.
patent: 4903212 (1990-02-01), Yokouchi et al.
patent: 4949268 (1990-08-01), Nishikawa et al.
patent: 5087919 (1992-02-01), Odagawa et al.

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