Patents by Inventor James N. O'Sullivan

James N. O'Sullivan 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).

  • Polarization optical compass
    Patent number: 10371519
    Abstract: An optical assembly that includes at least one polarizing filter assembly and at least one sensor. The polarizing filter assembly is configured to receive electromagnetic radiation (EMR) emitted by a sun and transmit at least three different portions of EMR towards the at least one sensor, each portion filtered based on a different polarization orientation. A processor device is configured to receive sensor data generated by the at least one sensor in response to receipt of the at least three different portions of EMR, and determine an elevation angle of the sun with respect to a horizon from a geographic location of the optical assembly.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: August 6, 2019
    Assignee: Lockheed Martin Corporation
    Inventors: David R. Twede, James N. O'Sullivan
  • Apparatus for and method of classifying patterns
    Patent number: 5867118
    Abstract: An apparatus for and method of classifying a pattern including performing a wavelet transform. The invention finds particular application in the field of automatic target recognition, in which the pattern appears in a return radar signal, and the classification is used to classify a target.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: February 2, 1999
    Assignee: Lockheed Martin Corporation
    Inventors: Richard D. McCoy, Charles E. Stirman, James N. O'Sullivan, Yvette M. Gordon