Patents by Inventor Liling Xiao

Liling Xiao 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).

  • Methods and apparatus for launching or receiving electromagnetic waves
    Patent number: 11632146
    Abstract: Aspects of the subject disclosure may include, a system configured for generating a signal, and inducing, by a coupler, an electromagnetic wave that propagates along a physical transmission medium. The coupler can be configured to convert the signal into a plurality of wave modes that combine to form the electromagnetic wave having an electromagnetic field configuration that reduces leakage of the electromagnetic wave as the electromagnetic wave propagates along the physical transmission medium. Other embodiments are disclosed.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: April 18, 2023
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Emilio Alessandro Nanni, Paul Shala Henry, Liling Xiao, Jeffrey Michael Neilson
  • METHODS AND APPARATUS FOR LAUNCHING OR RECEIVING ELECTROMAGNETIC WAVES
    Publication number: 20210013928
    Abstract: Aspects of the subject disclosure may include, a system configured for generating a signal, and inducing, by a coupler, an electromagnetic wave that propagates along a physical transmission medium. The coupler can be configured to convert the signal into a plurality of wave modes that combine to form the electromagnetic wave having an electromagnetic field configuration that reduces leakage of the electromagnetic wave as the electromagnetic wave propagates along the physical transmission medium. Other embodiments are disclosed.
    Type: Application
    Filed: September 28, 2020
    Publication date: January 14, 2021
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Emilio Alessandro Nanni, Paul Shala Henry, Liling Xiao, Jeffrey Michael Neilson
  • Methods and apparatus for launching or receiving electromagnetic waves
    Patent number: 10833727
    Abstract: Aspects of the subject disclosure may include, a system configured for generating a signal, and inducing, by a coupler, an electromagnetic wave that propagates along a physical transmission medium. The coupler can be configured to convert the signal into a plurality of wave modes that combine to form the electromagnetic wave having an electromagnetic field configuration that reduces leakage of the electromagnetic wave as the electromagnetic wave propagates along the physical transmission medium. Other embodiments are disclosed.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: November 10, 2020
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Emilio Alessandro Nanni, Paul Shala Henry, Liling Xiao, Jeffrey Michael Neilson
  • METHODS AND APPARATUS FOR LAUNCHING OR RECEIVING ELECTROMAGNETIC WAVES
    Publication number: 20200106477
    Abstract: Aspects of the subject disclosure may include, a system configured for generating a signal, and inducing, by a coupler, an electromagnetic wave that propagates along a physical transmission medium. The coupler can be configured to convert the signal into a plurality of wave modes that combine to form the electromagnetic wave having an electromagnetic field configuration that reduces leakage of the electromagnetic wave as the electromagnetic wave propagates along the physical transmission medium. Other embodiments are disclosed.
    Type: Application
    Filed: October 2, 2018
    Publication date: April 2, 2020
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Emilio Alessandro Nanni, Paul Shala Henry, Liling Xiao, Jeffrey Michael Neilson