Patents by Inventor Steven Zafonte

Steven Zafonte 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).

  • Auto-tuning amplifier
    Patent number: 7917117
    Abstract: This document discloses, among other things, a front end circuit having a selectable center frequency. The center frequency is selected based on a control signal proportional to a phase difference between a reference frequency and an amplifier output. A resonant frequency of a tank circuit coupled to the amplifier is tuned using the control signal.
    Type: Grant
    Filed: January 28, 2008
    Date of Patent: March 29, 2011
    Assignee: University of Washington
    Inventors: Steven Zafonte, Brian Otis
  • AUTO-TUNING AMPLIFIER
    Publication number: 20090189697
    Abstract: This document discloses, among other things, a front end circuit having a selectable center frequency. The center frequency is selected based on a control signal proportional to a phase difference between a reference frequency and an amplifier output. A resonant frequency of a tank circuit coupled to the amplifier is tuned using the control signal.
    Type: Application
    Filed: January 28, 2008
    Publication date: July 30, 2009
    Applicant: University of Washington
    Inventors: Steven Zafonte, Brian Otis