Route guide apparatus

Details Route guide apparatus Route guide apparatus

1998-03-31

2000-07-04

Blum, Theodore M.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

701205, 701209, 701211, H04B 7185, G01S 502

Patent

active

060845430

ABSTRACT:
A route guide apparatus is disclosed, in order to supply guidance at a guide point along a guide route before reaching the guide point in an easy-to-understand fashion. Guide routes are displayed along roads in map data displays and the number of traffic lights existing between a vehicle position and the guide point where the direction is to be changed is displayed or indicated by voice. Such phases as "Turn at fourth traffic light" or "Turn after passing third traffic light" are displayed on the map displays or indicated by voice. A traffic light icon, if displayed, can facilitate the determination of the presence or absence of a traffic light at the intersections and the guide point.

REFERENCES:
patent: 5926118 (1999-07-01), Hayashida et al.

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