Vehicle travel-route guidance apparatus with internal intersecti

Details Vehicle travel-route guidance apparatus with internal intersecti Vehicle travel-route guidance apparatus with internal intersecti

1998-08-31

2000-10-17

Nguyen, Tan

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

701201, 701210, G06F16500

Patent

active

061345016

ABSTRACT:
A vehicle travel-route guidance apparatus. The apparatus includes a map-storing device having internal intersection information that is furnished for executing a right-hand turn or a left-hand turn to bypass an intersection. The guidance apparatus further includes a device that determines whether searched links or nodes have internal intersection information associated therewith, either during, or after, link
ode cost evaluation during a destination route search by the control unit. The guidance apparatus also includes a device for relatively changing an evaluation value of the link
ode to preferentially include the link
ode in a destination route when the control unit searches for a destination route by evaluation-value calculation, thereby ensuring that the most desirable destination route is chosen.

REFERENCES:
patent: 4737927 (1988-04-01), Hanabusa et al.
patent: 5862509 (1999-01-01), Desai et al.
patent: 6018697 (2000-01-01), Morimoto et al.

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