Patents by Inventor Michael Marefat

Michael Marefat 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).

  • Cognitive HF radio with tuned compact antenna
    Patent number: 10903918
    Abstract: A cognitive HF radio is disclosed having a cognitive engine that optimizes HF transmission parameters on the basis of learned experience with previous transmission under varying transmission and environmental conditions. Additionally, electrically small HF antennas optionally using non-Foster matching elements are disclosed. Furthermore, another electrically small HF antenna and associated impedance matching networks are disclosed, including an impedance matching network using non-Foster matching elements.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: January 26, 2021
    Assignee: Arizona Board of Regents on Behalf of the University of Arizona
    Inventors: Tamal Bose, Hao Xin, Michael Marefat, Hamed Asadi, Ahmed Abdelrahman, Min Liang
  • COGNITIVE HF RADIO WITH TUNED COMPACT ANTENNA
    Publication number: 20180159642
    Abstract: A cognitive HF radio is disclosed having a cognitive engine that optimizes HF transmission parameters on the basis of learned experience with previous transmission under varying transmission and environmental conditions. Additionally, electrically small HF antennas optionally using non-Foster matching elements are disclosed. Furthermore, another electrically small HF antenna and associated impedance matching networks are disclosed, including an impedance matching network using non-Foster matching elements.
    Type: Application
    Filed: December 6, 2017
    Publication date: June 7, 2018
    Inventors: Tamal Bose, Hao Xin, Michael Marefat, Hamed Asadi, Ahmed Abdelrahman, Min Liang