Patents by Inventor Zachary R. MacLennan

Zachary R. MacLennan 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).

  • Edge Detection Circuit and Detection of Features on Illuminated Eye Using the Same
    Publication number: 20190369253
    Abstract: An edge detection circuit receives a detector signal from an infrared detector positioned and oriented to detect reflections of infrared light from a scan area including at least a portion of an eye, detects an edge of at least one feature of the eye from the detector signal, and outputs information about a position of the edge of the feature relative to the scan area.
    Type: Application
    Filed: May 13, 2019
    Publication date: December 5, 2019
    Inventors: Idris S. Aleem, Andrew S. Logan, Nicholas Ford, David Vandervies, Zachary R. MacLennan