Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 14, 2008
Patent Application Number
11476889
Date Filed
June 29, 2006
Patent Primary Examiner
Patent abstract
A navigation system, having a route calculation unit for providing a navigation route from a start point to a destination based on an evaluation of a plurality of cost parameters by an evaluation function, includes a storage unit for storing a weighting factor determination relation for determining a weighting factor of the cost parameter based on a travel situation of predetermined type identified in a specific length of time and a weighting factor determination unit for determining the weighting factor based on the weighting factor determination relation and the travel situation derived from an actual state of traveling.
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