Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1997-07-10
1999-06-29
Mullen, Thomas
Communications: electrical
Condition responsive indicating system
Specific condition
340539, 340576, 3406935, 600372, G08B 2300
Patent
active
059174153
ABSTRACT:
A wrist worn device and method for monitoring and alerting the user of increased drowsiness. The device includes sensors for monitoring several physiological parameters of the user, including peripheral pulse rate variability, peripheral vasomotor response, muscle tone, peripheral blood flow and reaction time variability. If the majority of these parameters are indicative of increased drowsiness, and audio-visual alert is provided the user. The sensors are encased in a shock-absorbing unit and wirelessly transmit the sensed data.
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