Incremental route calculation
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United States of America Patent
Stats
-
Jan 27, 1998
Grant Date -
N/A
app pub date -
Feb 9, 1995
filing date -
Feb 9, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Method and apparatus for determining a route from a source location to a final destination using a vehicle navigation system having a map database. At least one intermediate destination is determined from the map database, each intermediate destination being at the other end of an intermediate route from the source location. A cost value is calculated for each intermediate destination. A best intermediate destination is selected from the at least one intermediate destination, the cost value corresponding to the best intermediate destination being lower than the cost values corresponding to any other intermediate destinations. The intermediate route corresponding to the best intermediate destination is then communicated to the user of the vehicle navigation system while a remainder route to the final destination is determined.
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Family
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Cited Art Landscape
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