Apparatus and method for monitoring and improving the alertness of a subject
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United States of America Patent
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-
Jan 21, 1997
Grant Date -
N/A
app pub date -
Aug 4, 1994
filing date -
Aug 4, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Apparatus and method for monitoring and for improving the state of alertness of a subject while he continues to perform a primary task, driving a vehicle, operating machinery, etc. The apparatus includes stimulation apparatus for issuing stimuli to the subject and response apparatus for enabling the subject to reply to the stimuli. The stimuli can be audible, visual or tactile. Test results are processed and compared to baseline values taken when the subject is displaying a normal state of alertness. The rate of activation of the stimulation apparatus increases inversely with a deteriorating state of alertness of the subject to improve the state of alertness of the subject. The apparatus can be fashioned in a wide range of devices including a hand-held portable device, a wristwatch, a behind-the-ear (BTE) clip, a pair of spectacles, and for installation in a steering wheel.
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