Patent ID: 9007220
Filing Date: 2015-04-14
Classification: A61B,B60K,G08B

Abstract:
1. A head worn device for monitoring alertness and attention of a wearer which includes: a) sensors to monitor the wearer's eyelid and eye movements; b) a three-dimensional accelerometer to detect the wearer's head motion; c) data storage means for storing data from said sensors and said three-dimensional accelerometer; d) at least one microprocessor in communication with the data storage means to process the data from the sensors and the three-dimensional accelerometer to provide a measure of drowsiness and inattention; e) whereby the eyelid and eye movements are used to predict drowsiness and the head motion is used to detect inattention, and f) wherein the device is a pair of spectacles and the microprocessor analyzes the data from said three-dimensional accelerometer to determine if the vehicle is in motion.