Warning system for vehicle

Details Warning system for vehicle Warning system for vehicle

1996-01-24

1997-06-24

Crosland, Donnie L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340521, 340517, 340903, 340905, 340576, 340435, 180167, 180272, 364461, 364423098, 348148, 348149, B60Q 100, G08G 116

Patent

active

056420935

ABSTRACT:
A warning system for a vehicle obtains image data by three-dimensionally recognizing a road extending ahead of the vehicle and traffic conditions, decides that driver's wakefulness is on a high level when there is any one of psychological stimuli to the driver or that driver's wakefulness is on a low level when there is not psychological stimulus to the driver, estimates the possibilities of collision and off-lane travel, and gives the driver a warning against collision or off-lane travel when there is the high possibility of collision or off-lane travel. Another warning system for a vehicle obtains image data by three-dimensionally recognizing a road extending ahead of the vehicle and traffic conditions, discriminates between automobile roads and open roads on the basis of the image data and a traveling mode in which the vehicle is traveling, determines patterns of driving operations and traveling motions in a given time at the initial stage of travel on the road when the road is identified to be an automobile road, repeats the determination of patterns at given time intervals, detects dozed driving through the comparison of a reference value and a measured value and gives the driver a warning against dozing when the driver's wakefulness declines.

REFERENCES:
patent: 5432509 (1995-07-01), Kajiwara
patent: 5467284 (1995-11-01), Yoshioka et al.
patent: 5475494 (1995-12-01), Nishida et al.

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