Method and apparatus for providing navigation guidance

Details Method and apparatus for providing navigation guidance Method and apparatus for providing navigation guidance

1995-02-01

1997-03-18

Chin, Gary

Boots, shoes, and leggings

390990, 390995, G06F16500

Patent

active

056128827

ABSTRACT:
A method and apparatus (10) for providing navigation guidance via a land vehicle by providing a navigation route planner (24) having a road network database (12) for planning a navigation route along the road network, determining a current estimated position of the land vehicle, communicating maneuver instructions to a driver of the land vehicle at a predetermined maneuver distance base value before the land vehicle reaches a required maneuver along the planned navigation route, and detecting and quantifying current environmental travel conditions for assisting a navigation device in guiding the land vehicle along the planned navigation route.

REFERENCES:
patent: 5177685 (1993-01-01), Davis et al.
patent: 5315295 (1994-05-01), Fujii
patent: 5357438 (1994-10-01), Davidian
patent: 5369588 (1994-11-01), Hayami et al.
patent: 5444629 (1995-08-01), Kishi et al.
patent: 5452217 (1995-09-01), Kishi et al.
patent: 5465089 (1995-11-01), Nakatani et al.

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