Patents by Inventor James L. Tangorra

James L. Tangorra has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Drowsiness/alertness monitor
    Patent number: 6091334
    Abstract: A method and apparatus for analyzing drowsiness of a subject. The monitor measures motion of the head of the subject and of one or both eyes of the subject in at least one dimension and derives at least one physiological indication such as gaze stability, saccade speed, saccade frequency, blink duration, and instrument-world scanning performance of the subject. The physiological indicator or indicators are compared with predetermined ranges of acceptable values in such a manner as to determine an onset of drowsiness in the subject.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: July 18, 2000
    Assignee: Massachusetts Institute of Technology
    Inventors: Henrietta L. Galiana, Ian W. Hunter, Lynette A. Jones, James L. Tangorra