Map with indexes for a geographical information system and system for applying same
First Claim
1. Map bearing a graphic representation of cartographic information, said representation being divided into a large number of elementary areas, each of said areas having an index associated therewith, each index including a group of dots placed on the map in the vicinity of the associated elementary area and constituting a specific code for said area, the indexes as a whole forming a location frame covering said graphic representation and being 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 said indexes and containing information specific to the associated areas.
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Accused Products
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.
405 Citations
11 Claims
- 1. Map bearing a graphic representation of cartographic information, said representation being divided into a large number of elementary areas, each of said areas having an index associated therewith, each index including a group of dots placed on the map in the vicinity of the associated elementary area and constituting a specific code for said area, the indexes as a whole forming a location frame covering said graphic representation and being 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 said indexes and containing information specific to the associated areas.
Specification