Route searching system, route searching method, navigation...

Details Route searching system, route searching method, navigation... Route searching system, route searching method, navigation...

2007-01-30

2007-01-30

Nguyen, Tan Q. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

C701S201000, C701S208000, C701S211000, C340S995210

Reexamination Certificate

active

10829423

ABSTRACT:
A route searching system is provided with: a road map database for storing a road map data; a searching device for performing a link cost calculation on the basis of the road map data and thereby searching an optimal route. The searching device increases or decreases the link cost of a link corresponding to a road section that requires a difficult turn on a route option, the difficult turn being a right turn or a left turn, one of which is more difficult than the other in accordance with a traffic rule, and connecting a node corresponding to an intersection, in at least two cases depending on the difficulty of the difficult turn at the intersection.

REFERENCES:
patent: 5893081 (1999-04-01), Poppen
patent: 5899955 (1999-05-01), Yagyu et al.
patent: 5910177 (1999-06-01), Zuber
patent: 5911773 (1999-06-01), Mutsuga et al.
patent: 5983720 (1999-11-01), Crabb et al.
patent: 5991689 (1999-11-01), Aito et al.
patent: 6125323 (2000-09-01), Nimura et al.
patent: 6377887 (2002-04-01), Poppen et al.
patent: 6490522 (2002-12-01), Sugiyama et al.
patent: 9-325038 (1997-12-01), None

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