Data mining for traffic signals or signs along road curves...

Details Data mining for traffic signals or signs along road curves... Data mining for traffic signals or signs along road curves...

2011-08-30

2011-08-30

Crosland, Donnie (Department: 2612)

Communications: electrical

External condition vehicle-mounted indicator or alarm

Highway information

C340S990000, C340S995100, C340S995130, C701S201000, C701S117000

Reexamination Certificate

active

08009061

ABSTRACT:
Disclosed is a feature for a vehicle that enables taking precautionary actions in response to conditions on the road network around or ahead of the vehicle, in particular, a traffic light or stop sign located along a curved section of road. A database that represents the road network is used to determine locations where a traffic light or stop sign is located along a curved section of road. Then, precautionary action data is added to the database to indicate a location at which a precautionary action is to be taken about the stop sign or traffic light located along the curved section of road. A precautionary action system installed in a vehicle uses this database, or a database derived therefrom, in combination with a positioning system to determine when the vehicle is at a location that corresponds to the location of a precautionary action. When the vehicle is at such a location, a precautionary action is taken by a vehicle system as the vehicle is approaching a stop sign or traffic light located along the curved section of road.

REFERENCES:
patent: 6470265 (2002-10-01), Tanaka
patent: 6735515 (2004-05-01), Bechtolsheim et al.
patent: 6856902 (2005-02-01), Mitchem
patent: 2002/0161513 (2002-10-01), Bechtolsheim et al.
patent: 2008/0077309 (2008-03-01), Cobbold
patent: 2008/0215238 (2008-09-01), Geelen et al.

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