Apparatus for displaying travel path

Details Apparatus for displaying travel path Apparatus for displaying travel path

1987-03-16

1990-10-16

Orsino, Joseph A.

Communications: electrical

Vehicle position indication

Map display

73178R, 340990, 364449, G06F 1550

Patent

active

049638653

ABSTRACT:
There is disclosed an apparatus for displaying a travel path of a running body in which a constantly changing location of the running body on a two-dimensional coordinates is successively computed and the current location of said running body is displayed successively, in accordance with the data thus computed, on a display screen having a map previously displayed thereon. According to this apparatus, longitude and latitude values of a reference point in a mesh consisting of lines of longitude and latitude in each map of divided areas are registered as known factors and the current location of the running body on the two-dimensional coordinates thus computed is converted to a location on longitude-latitude coordinates, whereby the current location on the map is calculated from the known longitude and latitude values of the reference point displayed on the display screen.

REFERENCES:
patent: 4437085 (1984-03-01), Salant
patent: 4608656 (1986-08-01), Tanaka et al.
patent: 4677561 (1987-06-01), Akama et al.
patent: 4677562 (1987-06-01), Uota et al.
patent: 4677563 (1987-06-01), Itoh et al.
patent: 4736303 (1988-04-01), Itoh et al.
patent: 4763269 (1988-08-01), Suyama et al.
patent: 4791572 (1988-12-01), Green, III et al.

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