Patents by Inventor Arash Rashidi Tarhani

Arash Rashidi Tarhani 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).

  • Traveling wave tube loaded by a material having negative permittivity and positive permeability
    Patent number: 9406477
    Abstract: A slow wave structure of a traveling wave tube is provided. The slow wave structure includes an input port, an output port, a first material, and a second material. The second material is mounted in the first material at periodic intervals in a direction of propagation of a radio frequency signal between the input port and the output port. The second material has a real part of permittivity that is negative and a real part of permeability that is positive at an operational frequency of the radio frequency signal.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: August 2, 2016
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Arash Rashidi Tarhani, Nader Behdad
  • EPSILON NEGATIVE LOADED TRAVELING WAVE TUBE
    Publication number: 20150256139
    Abstract: A slow wave structure of a traveling wave tube is provided. The slow wave structure includes an input port, an output port, a first material, and a second material. The second material is mounted in the first material at periodic intervals in a direction of propagation of a radio frequency signal between the input port and the output port. The second material has a real part of permittivity that is negative and a real part of permeability that is positive at an operational frequency of the radio frequency signal.
    Type: Application
    Filed: March 10, 2014
    Publication date: September 10, 2015
    Applicant: Wisconsin Alumni Research Foundation
    Inventors: Arash Rashidi Tarhani, Nader Behdad