Driving state-monitoring apparatus for automotive vehicles

Details Driving state-monitoring apparatus for automotive vehicles Driving state-monitoring apparatus for automotive vehicles

1996-08-01

1998-09-29

Lefkowitz, Edward

Communications: electrical

Land vehicle alarms or indicators

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

340575, 340576, 180272, 701 29, 701 35, G08B 2100

Patent

active

058150706

ABSTRACT:
A driving state-monitoring apparatus for an automotive vehicle monitors a driving state of a driver of the automotive vehicle. A driving state parameter indicative of the driving state of the driver is calculated based on at least one of behavior of the automotive vehicle, a driving operation of the driver, and a condition of the driver. The driving state parameter is compared with a reference value. It is determined whether or not the driving state of the driver is normal, based on a result of the comparison. The reference value is changed based on the driving state parameter in such a direction that it becomes less possible to determine that the driving state of the driver is normal.

REFERENCES:
patent: 4293844 (1981-10-01), Ruhl
patent: 4395624 (1983-07-01), Wartski
patent: 4594583 (1986-06-01), Seko et al.
patent: 4604611 (1986-08-01), Seko et al.
patent: 5465079 (1995-11-01), Bouchard et al.
patent: 5574641 (1996-11-01), Kawakami et al.

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