Map with indexes for a geographical information system and syste

Details Map with indexes for a geographical information system and syste Map with indexes for a geographical information system and syste

1992-11-20

1994-07-12

Pitts, Harold

Registers

Records

Particular code pattern

235472, 235454, G06K 1906

Patent

active

053291085

ABSTRACT:
The invention relates to a map bearing a graphic representation of cartographical information, broken down into a large number of elementary areas with which are associated respectively a large number of indexes.
According to the invention, each index includes a group of dots (10) placed on the map in the vicinity of the associated elementary area and forming a specific code for the said area, the indexes as a whole forming a location frame covering the said geographical representation and superimposed thereupon, each group of dots being readable by optical reading means cooperating with a data processing system comprising a data medium addressable by means of the said indexes.

REFERENCES:
patent: 4627819 (1986-12-01), Burrows
patent: 4926035 (1990-05-01), Fujisaki
patent: 5204515 (1993-08-01), Yoshida

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