Patents by Inventor Luis C. Barzana

Luis C. Barzana 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).

  • Electromagnetic detection apparatus
    Patent number: 4305074
    Abstract: An electromagnetic detection apparatus for sensing an object, has a transter for radiating electromagnetic energy toward the object. The apparatus also has an array of at least three spaced receiving antennas and one parasitic antenna. The parasitic antenna is spaced from and mounted alongside the array. Also included is a phase detection circuit for measuring the phase difference between signals received by one of the receiving antennas with respect to the other two. This apparatus can sense phase difference and correlate it to the azimuthal position of the object.
    Type: Grant
    Filed: May 12, 1980
    Date of Patent: December 8, 1981
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Luis C. Barzana, Dennis A. Green, David R. Wakeman