Patents by Inventor Michael Harrell

Michael Harrell 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).

  • Swept delta-sigma modulation direct digital synthesis
    Publication number: 20060220937
    Abstract: A method and apparatus are provided for modulating a signal. The method includes the steps of providing a radio frequency signal, determining a set of delta-sigma modulation coefficients based upon a frequency of the provided signal and delta-sigma modulating the generated radio frequency signal within a delta-sigma modulator using the generated set of delta-sigma modulation coefficients.
    Type: Application
    Filed: April 5, 2006
    Publication date: October 5, 2006
    Inventors: Michael Harrell, Mark Wickert