Patents by Inventor James E. Chisum

James E. Chisum 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).

  • Patent number: 7924654
    Abstract: A system using beamforming techniques in conjunction with an active or passive acoustic buoy field, where the buoy field has a plurality of buoys, each buoy employing at least one sensor attached to and extending substantially downward from that buoy so as to form a planar or conformal array. Each array buoy uses highly accurate GPS tracking devices to locate that buoy's array sensor position relative to all other buoy arrays in the known buoy field. This accurate positional data is used in conjunction with the sensor data from each depth to beamform a planar or a volumetric array.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: April 12, 2011
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Thomas R. Stottlemyer, Ira B. Cohen, James E. Chisum