Electro-optical alertness monitoring apparatus
First Claim
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1. Apparatus for monitoring the eye of a subject comprising:
- means for directing radiation at the eyes of a subject;
means for sensing radiation retroreflected by the retina through the cornea of an eye of the subject;
scanning means for causing said means for directing and said means for sensing to scan a given angular region in at least one direction; and
means for providng a sensible output indication in the absence of expected received retroreflected radiation.
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Abstract
Apparatus for monitoring the eye of a subject comprising: apparatus for directing infra-red radiation at the eyes of a subject; apparatus for sensing infra-red radiation retroreflected by the retina through the cornea of the subject; and apparatus for providing a sensible output indication in the absence of expected received retroreflected radiation, indicating the closing of the subject'"'"'s eyes or direction of his eyes outside of a desired angular region.
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Citations
19 Claims
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1. Apparatus for monitoring the eye of a subject comprising:
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means for directing radiation at the eyes of a subject; means for sensing radiation retroreflected by the retina through the cornea of an eye of the subject; scanning means for causing said means for directing and said means for sensing to scan a given angular region in at least one direction; and means for providng a sensible output indication in the absence of expected received retroreflected radiation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification