Alarm system and method for sensing a stand-by state in a driver

Details Alarm system and method for sensing a stand-by state in a driver Alarm system and method for sensing a stand-by state in a driver

1984-02-15

1986-09-09

Rowland, James L.

Communications: electrical

Condition responsive indicating system

Specific condition

180272, G08B 2300

Patent

active

046111999

ABSTRACT:
A drowsiness alarm system and method for use in automotive vehicles is set to a stand-by state in response to a specific sequence of steering wheel maneuvers which may reflect driver drowsiness, for example, a relatively long period during which the steering wheel is not turned followed by an abrupt steering adjustment. From the standby state, an alarm or display alerting the driver will be generated in response to another sequence of steering maneuver confirming driver drowsiness. The second sequence of maneuvers may be selected from among a number of conventional steering behavior criteria. If driver drowsiness is not confirmed within a predetermined period of time after initiation of the stand-by state, the system is reset to its initial state.

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