Patents by Inventor John Joseph O'Leary

John Joseph O'Leary 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).

  • Polar coordinate format to a cartesian coordinate format scan converter
    Patent number: 4002827
    Abstract: A slow scan radar signal is converted from a polar coordinate format to a cartesian coordinate format to permit the radar signal to be displayed on a television type display device. The radar signal, in analog form, is converted to a digital signal, placed in a memory to permit readout of the data in a cartesian coordinate format and converted from a digital to analog signal which may then be applied to the television type display device.
    Type: Grant
    Filed: May 15, 1975
    Date of Patent: January 11, 1977
    Assignee: General Electric Company
    Inventors: Robert Leland Nevin, John Joseph O'Leary, Leonard Joseph Cikotte