Patents by Inventor Joseph J. Len

Joseph J. Len 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).

  • Radar target locating and tracking apparatus using a dual-interleaved pulse train radar waveform
    Patent number: 5115246
    Abstract: A radar target locating and tracking apparatus utilizing a data processor unit to process a dual-interleaved pulse train radar waveform to provide unambiguous target location. The data processor utilizes coarse range, fine range and Doppler signals which are derived from the transmitted non-ideal waveform to resolve ambiguities in target location.
    Type: Grant
    Filed: February 27, 1991
    Date of Patent: May 19, 1992
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Daniel D. Thomas, Jr., Hugh W. Hadley, Joseph J. Len