Apparatus for creating a navigation map
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United States of America Patent
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Jan 29, 2008
Grant Date -
Nov 14, 2002
app pub date -
Nov 7, 2001
filing date -
Nov 7, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
To display a navigation map for a navigation device more accurately and realistically and with less memory capacity, roads, railroad lines, rivers, lakes, and similar cartographic parameters are composed not of straight lines but of Cornu spirals. A Cornu spiral is defined by its curvature and its length.
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