Patents by Inventor Farhad Barzegar

Farhad Barzegar 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).

  • GUIDED WAVE DIELECTRIC COUPLER AND METHODS FOR USE THEREWITH
    Publication number: 20200176848
    Abstract: In accordance with one or more embodiments, a guided wave launcher includes a dielectric cable having an unexposed dielectric core portion that is surrounded by a dielectric cladding portion. The unexposed dielectric core portion is configured to receive a first electromagnetic wave at the end of the dielectric cable and to guide the first electromagnetic wave along the first unexposed dielectric core portion. An exposed dielectric core portion of the dielectric cable, that is not surrounded by the dielectric cladding portion, is configured to couple a portion of the first electromagnetic wave to a transmission medium in proximity to the exposed dielectric core portion, wherein the portion of the electromagnetic wave coupled to the transmission medium propagates as a second electromagnetic wave along the transmission medium without requiring an electrical return path.
    Type: Application
    Filed: December 3, 2018
    Publication date: June 4, 2020
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Robert Bennett, Farhad Barzegar, Irwin Gerszberg, Thomas M. Willis, III, Paul Shala Henry
  • SURFACE WAVE REPEATER WITH PILOT SIGNAL AND METHODS FOR USE THEREWITH
    Publication number: 20200177234
    Abstract: In accordance with one or more embodiments, a surface wave repeater includes a transceiver that generates a pilot signal that identifies the surface wave repeater. The transceiver adds the pilot signal to a microwave signal to create a combined signal. The transceiver couples the combined signal to a launcher to facilitate transmission of guided electromagnetic waves conveying data along with the pilot signal on a segment of a transmission medium.
    Type: Application
    Filed: December 4, 2018
    Publication date: June 4, 2020
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Farhad Barzegar, Irwin Gerszberg, Thomas M. Willis, III, Paul Shala Henry, Robert Bennett, Donald J. Barnickel, Giovanni Vannucci
  • CONICAL SURFACE WAVE LAUNCHER AND METHODS FOR USE THEREWITH
    Publication number: 20200176879
    Abstract: In accordance with one or more embodiments, a surface wave launcher is configured to transmit and receive guided electromagnetic waves via the aperture that propagate along a transmission medium without requiring an electrical return path. The surface wave launcher includes a coaxial port having an inner conductor and an outer conductor. A conductive tray is coupled to the inner conductor and is configured to surround, at least in part, a portion of the transmission medium. A dielectric layer surrounds, at least in part, a portion of the conductive tray. A conductive cone, is coupled to the outer conductor at a feed-point of the conductive cone, and coaxially surrounds the transmission medium, wherein the conductive cone is adjacent to the dielectric layer at the feed-point and forms an aperture.
    Type: Application
    Filed: December 4, 2018
    Publication date: June 4, 2020
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Peter Wolniansky, Farhad Barzegar, Irwin Gerszberg, Thomas M. Willis, III, Paul Shala Henry, Donald J. Barnickel, Giovanni Vannucci, Robert Bennett
  • METHOD AND APPARATUS FOR COMMUNICATION UTILIZING ELECTROMAGNETIC WAVES AND A TELECOMMUNICATION LINE
    Publication number: 20200177238
    Abstract: Aspects of the subject disclosure may include, a system for receiving signals that convey data, obtaining energy from a telecommunication line of a telecommunications network where an AC or DC power signal is injected into the telecommunication line and where the energy is utilized by at least a subset of components of a waveguide system, and transmitting electromagnetic waves that convey the data where the electromagnetic waves propagate along the telecommunication line without requiring an electrical return path. Other embodiments are disclosed.
    Type: Application
    Filed: November 29, 2018
    Publication date: June 4, 2020
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Farhad Barzegar, Giovanni Vannucci, Irwin Gerszberg, Thomas M. Willis, III, Paul Shala Henry, Robert Bennett, Donald J. Barnickel
  • Dielectric transmission medium connector and methods for use therewith
    Patent number: 10673115
    Abstract: Aspects of the subject disclosure may include, for example, a connector that includes a first port configured to receive electromagnetic waves guided by a first dielectric core of a first transmission medium. A waveguide is configured to guide the electromagnetic waves from the first port to a second port. The second port is configured to transmit the electromagnetic waves to a second dielectric core of a second transmission medium. Other embodiments are disclosed.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: June 2, 2020
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Paul Shala Henry, William Scott Taylor, Robert Bennett, Farhad Barzegar, Irwin Gerszberg, Donald J Barnickel, Thomas M. Willis, III
  • Apparatus for providing communication services and methods thereof
    Patent number: 10666322
    Abstract: Aspects of the subject disclosure may include, for example, a system for modulating a first electrical signal to generate first modulated electromagnetic waves, and transmitting the first modulated electromagnetic waves on a waveguide located in proximity to a transmission medium. In one embodiment, the first electromagnetic waves can induce second electromagnetic waves that propagate on an outer surface of the transmission medium. The second electromagnetic waves can have a first spectral range that is divided into, contains or otherwise includes a first control channel and a first plurality of bands. Other embodiments are disclosed.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: May 26, 2020
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Irwin Gerszberg, Farhad Barzegar, Paul Shala Henry, Robert Bennett, Donald J. Barnickel, Thomas M. Willis, III
  • Method and apparatus for adjusting wireless communications
    Patent number: 10665942
    Abstract: Aspects of the subject disclosure may include, for example, a method for adjusting an operational parameter of electromagnetic waves supplied to a feed point of a dielectric antenna to modify a beamwidth of far-field wireless signals generated by the dielectric antenna, the electromagnetic waves propagating along the feed point without an electrical return path, detecting that the beamwidth of the far-field wireless signals needs to be adjusted to improve a reception of the far-field wireless signals by a remote system, and adjusting the operational parameter of the electromagnetic waves to adjust the beamwidth of the far-field wireless signals. Other embodiments are disclosed.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: May 26, 2020
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Paul Shala Henry, Donald J Barnickel, Farhad Barzegar, Robert Bennett, Irwin Gerszberg, Henry Kafka, Thomas M. Willis, III
  • Methods and apparatus for monitoring conditions to switch between modes of transmission
    Patent number: 10666323
    Abstract: Aspects of the subject disclosure may include, a system for determining from one or more conditions for a retransmission of electromagnetic waves received by the waveguide system via a transmission medium, a duty cycle for retransmitting the electromagnetic waves, retransmitting the electromagnetic waves utilizing a first repeater type of the waveguide system during a first portion of the duty cycle, and retransmitting the electromagnetic waves utilizing a second repeater type of the waveguide system during a second portion of the duty cycle. Other embodiments are disclosed.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: May 26, 2020
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Giovanni Vannucci, Farhad Barzegar, Paul Shala Henry, Thomas M. Willis, III, Irwin Gerszberg, Robert Bennett, Donald J. Barnickel
  • METHODS AND APPARATUS FOR REGULATING A MAGNETIC FLUX IN AN INDUCTIVE POWER SUPPLY
    Publication number: 20200161900
    Abstract: Aspects of the subject disclosure may include, supplying an alternating voltage waveform to a winding coupled to a magnetic core of an inductive power supply to regulate an alternating magnetic flux in the magnetic core. The alternating voltage waveform can be generated by selectively enabling one or more switches coupled to a storage device. The subject disclosure may further include configuring the one or more switches according to a configuration during a portion of a period of the alternating voltage waveform, and measuring a characteristic of an alternating current flowing in a conductor coupled to the magnetic core during the portion of the period of the alternating voltage waveform. Other embodiments are disclosed.
    Type: Application
    Filed: January 22, 2020
    Publication date: May 21, 2020
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Giovanni Vannucci, Paul Shala Henry, Thomas M. Willis, III, Farhad Barzegar, Irwin Gerszberg, Robert Bennett, Harold Rappaport, Donald J. Barnickel
  • Apparatus and methods for communicating with ultra-wideband electromagnetic waves
    Patent number: 10659973
    Abstract: Aspects of the subject disclosure may include, a system that facilitates receiving a first group of electromagnetic waves, wherein the first group of electromagnetic waves propagate along a first span of a transmission medium without requiring an electrical return path and without traversing a first supporting device or a second supporting device. The first span of the transmission medium is supported by the first supporting device and the second supporting device, and the first group of electromagnetic waves convey a first communication signal. The first communication signal is extracted from the first group of electromagnetic waves, and the first communication signal is transmitted to a communication device. Other embodiments are disclosed.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: May 19, 2020
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Farhad Barzegar, Irwin Gerszberg, Giovanni Vannucci, Peter Wolniansky, Paul Shala Henry
  • Methods and apparatus for adjusting a phase of electromagnetic waves
    Patent number: 10658726
    Abstract: Aspects of the subject disclosure may include, generating, by a first hollow waveguide coupled to a first dielectric coupler, a first electromagnetic wave that couples onto a transmission medium, generating, by a second hollow waveguide coupled to a second dielectric coupler, a second electromagnetic wave that couples onto the transmission medium, combining the first electromagnetic wave and the second electromagnetic wave combine to form a combined electromagnetic wave that propagates along the transmission medium without requiring an electrical return path, and adjusting a first phase of the first electromagnetic wave, a second phase of the second electromagnetic wave, or both to adjust a wave mode of the combined electromagnetic wave. Other embodiments are disclosed.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: May 19, 2020
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Paul Shala Henry, Giovanni Vannucci, Thomas M. Willis, III, Shikik Johnson, Robert Bennett, Farhad Barzegar, Irwin Gerszberg, Donald J. Barnickel
  • Repeater and methods for use therewith
    Patent number: 10659212
    Abstract: Aspects of the subject disclosure may include, for example, a repeater device having a first coupler to extract downstream channel signals from first guided electromagnetic waves bound to a transmission medium of a guided wave communication system. An amplifier amplifies the downstream channel signals to generate amplified downstream channel signals. A channel selection filter selects one or more of the amplified downstream channel signals to wirelessly transmit to the at least one client device via an antenna. A second coupler guides the amplified downstream channel signals to the transmission medium of the guided wave communication system to propagate as second guided electromagnetic waves. Other embodiments are disclosed.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: May 19, 2020
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Robert Bennett, Paul Shala Henry, Irwin Gerszberg, Farhad Barzegar, Donald J. Barnickel, Thomas M. Willis, III
  • Method and apparatus for arranging communication sessions in a communication system
    Patent number: 10659105
    Abstract: Aspects of the subject disclosure may include, for example, a system for determining a usage pattern, and sending instructions to a plurality of waveguide systems to transmit or receive electromagnetic waves along a surface of each of a plurality of wires according to the usage pattern. Other embodiments are disclosed.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: May 19, 2020
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Paul Shala Henry, Donald J. Barnickel, Robert Bennett, Irwin Gerszberg, Farhad Barzegar, Thomas M. Willis, III
  • DEVICE WITH PROGRAMMABLE REFLECTOR FOR TRANSMITTING OR RECEIVING ELECTROMAGNETIC WAVES
    Publication number: 20200153096
    Abstract: Aspects of the subject disclosure may include, a system for generating electromagnetic signals that resonate in a cavity having a plurality of reflectors resulting in resonating electromagnetic signals and combining the resonating electromagnetic signals to form an electromagnetic wave that traverses a reflector and couples onto a physical transmission medium. One or more of the reflectors is implemented via a programmable substrate. Other embodiments are disclosed.
    Type: Application
    Filed: November 14, 2018
    Publication date: May 14, 2020
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Paul Shala Henry, Robert Bennett, Donald J. Barnickel, Giovanni Vannucci, Farhad Barzegar, Irwin Gerszberg, Thomas M. Willis, III, Bruce E. Stuckman
  • DEVICE WITH VIRTUAL REFLECTOR FOR TRANSMITTING OR RECEIVING ELECTROMAGNETIC WAVES
    Publication number: 20200153095
    Abstract: Aspects of the subject disclosure may include, a system for generating electromagnetic signals that resonate in a cavity having a plurality of reflectors resulting in resonating electromagnetic signals and combining the resonating electromagnetic signals to form an electromagnetic wave that traverses a reflector and couples onto a physical transmission medium. One or more of the reflectors is implemented via a programmable substrate. Other embodiments are disclosed.
    Type: Application
    Filed: November 14, 2018
    Publication date: May 14, 2020
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Paul Shala Henry, Robert Bennett, Donald J. Barnickel, Giovanni Vannucci, Farhad Barzegar, Irwin Gerszberg, Thomas M. Willis, III, Bruce E. Stuckman
  • NODE DEVICE, REPEATER AND METHODS FOR USE THEREWITH
    Publication number: 20200153511
    Abstract: Aspects of the subject disclosure may include, for example, a node device includes an interface configured to receive first signals. A plurality of coupling devices are configured to launch the first signals on a transmission medium as a plurality of first guided electromagnetic waves at corresponding plurality of non-optical carrier frequencies, wherein the plurality of first guided electromagnetic waves are bound to a physical structure of the transmission medium. Other embodiments are disclosed.
    Type: Application
    Filed: January 10, 2020
    Publication date: May 14, 2020
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Paul Shala Henry, Irwin Gerszberg, Robert Bennett, Farhad Barzegar, Donald J. Barnickel, Thomas M. Willis, III
  • Apparatus for converting wireless signals and electromagnetic waves and methods thereof
    Patent number: 10651564
    Abstract: Aspects of the subject disclosure may include, for example, a waveguide including a plurality of devices that facilitate generating scattered electromagnetic waves from electromagnetic waves propagating on a surface of a transmission medium. The scattered electromagnetic waves combine to generate a wireless signal having a directionality based on a separation between plurality of devices and a wavelength of the electromagnetic waves. Other embodiments are disclosed.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: May 12, 2020
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Paul Shala Henry, Robert Bennett, Irwin Gerszberg, Farhad Barzegar, Donald J. Barnickel, Thomas M. Willis, III
  • Methods and apparatus for inducing electromagnetic waves within pathways of a cable
    Patent number: 10652054
    Abstract: In accordance with one or more embodiments, a system can include a plurality of uninsulated conductors that is stranded together. The plurality of uninsulated conductors can form a hollow pathway that is bounded by internal conductive surfaces of at least three of the plurality of uninsulated conductors. The system can further include a communication device coupled to a first plurality of external conductive surfaces of the plurality of uninsulated conductors, where the communication device facilitates generating transmission signals at the first plurality of external conductive surfaces, and where the transmission signals induce electromagnetic waves that propagate along the hollow pathway without requiring an electrical return path. Other embodiments are disclosed.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: May 12, 2020
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Paul Shala Henry, Giovanni Vannucci, Thomas M. Willis, III, Robert Bennett, Irwin Gerszberg, Farhad Barzegar, Donald J. Barnickel, Martin Birk, Shikik Johnson
  • Transmission medium having a conductive material and methods for use therewith
    Patent number: 10650940
    Abstract: Aspects of the subject disclosure may include, for example, a transmission medium for propagating electromagnetic waves. The transmission medium can include a conductor for guiding electromagnetic waves longitudinally along the conductor, and a shell surrounding at least a portion of the conductor for reducing exposure of the electromagnetic waves to an adverse environment that increases propagation losses of the electromagnetic waves. Other embodiments are disclosed.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: May 12, 2020
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Paul Shala Henry, Robert Bennett, Farhad Barzegar, Irwin Gerszberg, William Scott Taylor, Donald J Barnickel, Thomas M. Willis, III, Ed Guntin
  • ACCESS POINT AND METHODS FOR COMMUNICATING WITH GUIDED ELECTROMAGNETIC WAVES
    Publication number: 20200145052
    Abstract: In accordance with one or more embodiments, an access point includes a first communication interface having: a first coupler configured to receive, via a first transmission medium, first guided electromagnetic waves from a first waveguide system of a distributed antenna system, wherein the first guided electromagnetic waves propagate along the first transmission medium without requiring an electrical return path; and also a first receiver configured to receive first data from the first guided electromagnetic waves. A data switch is configured to select first selected portions of the first data for transmission to at least one communication device in proximity to the access point.
    Type: Application
    Filed: January 9, 2020
    Publication date: May 7, 2020
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Farhad Barzegar, Irwin Gerszberg, Giovanni Vannucci, Peter Wolniansky, Paul Shala Henry