Importance

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Abstract

A navigation apparatus has: a current position detecting device for detecting current position of a vehicle in which the device is installed; an information storing device for storing map information and other route information for route search and route guidance; an input device for inputting instructions; an output device for outputting information for route guidance; and a central processing unit. The central processing unit has a route searching capability for searching for a route from the current position to a destination or an intermediate point on the basis of the map information, route storage means for temporarily storing the route found by the route search, and route guidance control for outputting to the output device a signal for executing route guidance. The apparatus determines a location on the road located a predetermined distance ahead in the direction of travel from the current position, as a search starting location or as a route guidance starting location.

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First Claim