Route search method in navigation system

Details Route search method in navigation system Route search method in navigation system

2007-03-20

2007-03-20

Nguyen, Thu V. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

Reexamination Certificate

active

10915355

ABSTRACT:
A navigation system comprises a storage device which stores link data of each of links constituting roads on a map. As for a carpool link defined as a link allowing only a vehicle in which a plurality of persons are riding to pass through, the link data contains information indicative thereof. The navigation system searches for a recommended route from a departure place to a destination by use of the link data. If the links constituting the recommended route includes a carpool link, the navigation system receives an input of the number of person-on-board. The navigation system searches for a recommended route once again by use of the link data, from the departure place to the destination comprising the links passable with the number of person-on-board received by the receive step.

REFERENCES:
patent: 6295503 (2001-09-01), Inoue et al.
patent: 6470266 (2002-10-01), Ito et al.
patent: 2001/0021895 (2001-09-01), Yamazaki
patent: 2000-131085 (2000-05-01), None

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