Patents by Inventor Henry L. Michael

Henry L. Michael 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).

  • Portable device for the accurate measurement of eye movements both in light and obscurity
    Patent number: 4102564
    Abstract: A portable device for accurately measuring horizontal and vertical movements of each eye of a subject by reflecting thereon non-modulated invisible infrared light and converting the movements into continuous voltages. The device comprises emitters and detectors, arranged in a fixed spaced relationship and mounted rigidly either on a helmet worn by the subject, a head clamp holding the head immobile, or a separate support outside the subject.
    Type: Grant
    Filed: February 20, 1976
    Date of Patent: July 25, 1978
    Inventor: Henry L. Michael