Method and apparatus for displaying current vehicle position
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United States of America Patent
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-
Apr 3, 2001
Grant Date -
N/A
app pub date -
Sep 4, 1997
filing date -
Sep 4, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
Methods and apparatus are described for displaying information corresponding to a current vehicle position on a display of a vehicle navigation system. After the current vehicle position is determined by a separate process, the system determines the road on which the vehicle is currently located. The system then refers to a map database to construct a current road database corresponding to the current road. A current road segment corresponding to the current vehicle position is then determined. The system then refers to the current road database to determine a first geographical location based on the current vehicle road segment. The system then displays a text representation of the current vehicle position relative to the first geographical location.
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