Patents Examined by Jonathan C Teixeria Moffat
  • System and method for impedance measurement using chirp signal injection
    Patent number: 9618555
    Abstract: A method for impedance measurement using chirp signal injection is provided. The method includes injecting at least one chirp signal into the three-phase AC system, and collecting at least one response to the at least one chirp signal. The method further includes transferring the at least one response from abc coordinates to dq coordinates. At least one impedance is calculated based on the at least one response to the at least one chirp signal.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: April 11, 2017
    Assignees: Huntington Ingalls Incorporated, Virginia Tech Intellectual Properties, Inc.
    Inventors: Jacob Verhulst, Mohamed Belkhayat, Zhiyu Shen, Marko Jaksic, Paolo Mattavelli, Dushan Boroyevich
  • Method of determining the dynamic location of a protection device
    Patent number: 8185354
    Abstract: The method uses a location device and a timing element to determine the location of a protection device at various periods of time. During these periods of time, the human may be participating in a variety of activities and positions.
    Type: Grant
    Filed: May 19, 2008
    Date of Patent: May 22, 2012
    Assignee: The Procter & Gamble Company
    Inventors: Thomas Ward Osborn, III, Tana Marie Kirkbride, Reginald Edward Crutcher, II, Marie Brigid O'Reilly