Patents by Inventor Stephen D. Freeman

Stephen D. Freeman 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).

  • Method and apparatus for performing signal augmentation
    Patent number: 10911085
    Abstract: Apparatus for augmenting a received signal comprising a receiver configured to receive a signal, a digitizer configured to generate a digitized version of the received signal at two different times, and a signal processor, coupled to the digitizer, configured to determine a phase relationship between the digitized signals at the two different times, adjust a phase of at least one of the digitized signals based on the phase relationship to combine the two digitized signals to form an augmented signal.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: February 2, 2021
    Assignee: America as represented by the Secretary of the Army
    Inventors: Kenneth I. Ranney, Kyle A. Gallagher, John C. Merritt, IV, Kwok Foo Tom, Edward A. Viveiros, Jr., Stephen D. Freeman