Patents by Inventor Dixon W. Coulbourn

Dixon W. Coulbourn 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).

  • Null steering device
    Patent number: 5253221
    Abstract: A device for steering a null in a sonar beam pattern resolves first and snd beam signals into four quadrature components. These components are multiplied in multiplying digital to analog converters by binary number factors, derived in accordance with the desired null angle, to provide analog signals that are combined in a summing amplifier to provide analog output corresponding to acoustic energy received by a beam having a null at the desired angle.
    Type: Grant
    Filed: June 17, 1977
    Date of Patent: October 12, 1993
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Dixon W. Coulbourn