Electronic display system

Details Electronic display system Electronic display system

G - Physics

09

G

340/30, 375/7

G09G 1/00 (2006.01) G09B 29/10 (2006.01)

Patent

CA 1250632

ABSTRACT OF THE DISCLOSURE In an electronic map display system, predetermined linear display object data of all map data are stored in a first memory according to a predetermined coordinate system. Target point data other than the predetermined linear display object data are stored in a second memory in accordance with a relative coordinate system based on the predetermined linear objects. The data of the first memory are converted into display data of designated magnification rate by a first converter. The target point data of the second memory are converted into display data in accordance with a coordinate system based on the linear display objects by a second converter. A display signal is produced to display a map image in accordance with the data converted by the first and second data converters.

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