Electronic display system
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United States of America Patent
Stats
-
May 10, 1988
Grant Date -
N/A
app pub date -
Apr 29, 1986
filing date -
Apr 30, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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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International Classification(s)
Cited Art Landscape
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