Patents by Inventor Ole J. Larsen

Ole J. Larsen 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).

  • Electronic automatic plotter
    Patent number: 4208657
    Abstract: A system for electronically producing and displaying target position history trails in a PPI radar. Digital target positions within a selected sector zone from all targets meeting predetermined amplitude and duration criteria are stored in a memory for single azimuth scans at predetermined intervals. The data from the scans are interleaved and read out of the memory for display with the real time PPI targets. When the memory is filled, the oldest plots from each target are dropped to make room for new plots.
    Type: Grant
    Filed: August 16, 1978
    Date of Patent: June 17, 1980
    Assignee: Raytheon Company
    Inventors: Joseph E. Bryden, Ole J. Larsen, Desmond O'Callaghan