Patents by Inventor Albert D. Eggleston

Albert D. Eggleston 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).

  • Calibration method and apparatus for receiving transponder reply signals
    Patent number: 5469172
    Abstract: Calibration apparatus for an antenna/receiver system having, in combination, means for receiving one or more electromagnetic data encoded signals from a transmitter and producing in response to each data signal two signals having a phase relationship, the receiving means comprising an antenna; signal processing means for using the phase relationship to determine information related to the data signals; and means for coupling a calibration signal into the antenna to produce two calibration signals having a known phase relationship; the signal processing means using the known phase relationship to compensate for phase errors when processing the data signals.
    Type: Grant
    Filed: November 16, 1993
    Date of Patent: November 21, 1995
    Assignee: BF Goodrich FlightSystem, Inc.
    Inventors: William E. Schleder, Albert D. Eggleston