Patents by Inventor Martin R. Johnson, JR.

Martin R. Johnson, JR. 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).

  • DOWN-CONVERSION OF AN ELECTROMAGNETIC SIGNAL WITH FEEDBACK CONTROL
    Publication number: 20130122846
    Abstract: Methods, systems, and apparatuses for down-converting an electromagnetic (EM) signal by aliasing the EM signal, and applications thereof are described herein. Reducing or eliminating DC offset voltages and re-radiation generated when down-converting an electromagnetic (EM) signal is also described herein. Down-converting a signal and improving receiver dynamic range is also described herein.
    Type: Application
    Filed: July 16, 2012
    Publication date: May 16, 2013
    Applicant: ParkerVision, Inc.
    Inventors: David F. Sorrells, Michael J. Bultman, Robert W. Cook, Jonathan S. Jensen, Martin R. Johnson, JR., Richard C. Looke, Charley D. Moses, JR., Gregory S. Rawlins, Michael W. Rawlins, Robert T. Short, Jamison L. Young