Patents by Inventor Chiara Pelletti

Chiara Pelletti 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).

  • Publication number: 20210257732
    Abstract: The present invention is an antenna system having an array of metamaterial cells and a transmission array having a plurality of slots, wherein a signal propagates through the transmission array to the metamaterial cells and radiates a beamform. The system further includes reactance control means to adjust a phase of the beamform and to perform beam steering and beam switching.
    Type: Application
    Filed: May 6, 2021
    Publication date: August 19, 2021
    Inventors: Maha Achour, George Daniel, Chiara Pelletti, Yan Wang
  • Publication number: 20210249778
    Abstract: The reflectarray system includes a resonant structure formed of an array of resonant cells and for passive reflection of incident signals. The resonant structure generates a radio frequency (“RF”) signal that is shaped and steered by the reflectarray.
    Type: Application
    Filed: November 20, 2020
    Publication date: August 12, 2021
    Inventors: Maha ACHOUR, Yan WANG, Chiara PELLETTI, Bernard CASSE
  • Publication number: 20210210858
    Abstract: Examples disclosed herein relate to a radiating structure. The radiating structure has a transmission array structure having a plurality of transmission paths with each transmission path having a plurality of slots and a pair of adjacent transmission paths forming a superelement. Each superelement has a phase control module to control a phase of a transmission signal. The radiating structure also includes a radiating array structure having a plurality of radiating elements configured in a lattice, with each radiating element corresponding to at least one slot from the plurality of slots and the radiating array structure positioned proximate the transmission array structure. A feed coupling structure is coupled to the transmission array structure and adapted for propagation of a transmission signal to the transmission array structure.
    Type: Application
    Filed: October 15, 2018
    Publication date: July 8, 2021
    Inventors: Chiara Pelletti, Yan Wang, George Daniel, Maha Achour
  • Publication number: 20210194570
    Abstract: Examples disclosed herein relate to a phased array antenna system for use with a Low Earth Orbit (“LEO”) satellite constellation. The phased array antenna system has a plurality of antenna panels positioned in a dome and an antenna controller to control the plurality of antenna panels, the controller directing a first antenna panel to transmit a first signal and a second antenna panel to transmit a second signal to a LEO satellite, the first signal having a first phase and the second signal having a second phase different from the first phase.
    Type: Application
    Filed: February 10, 2021
    Publication date: June 24, 2021
    Inventors: Jun Fang, Chiara Pelletti
  • Publication number: 20210167518
    Abstract: A radar system having multiple layers and a radiating array of elements, wherein signals are presented to the elements as they propagate through a slotted wave guide.
    Type: Application
    Filed: April 19, 2019
    Publication date: June 3, 2021
    Inventors: Maha Achour, Chiara Pelletti
  • Patent number: 11005179
    Abstract: The present invention is an antenna system having an array of metamaterial cells and a transmission array having a plurality of slots, wherein a signal propagates through the transmission array to the metamaterial cells and radiates a beamform. The system further includes reactance control means to adjust a phase of the beamform and to perform beam steering and beam switching.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: May 11, 2021
    Assignee: METAWAVE CORPORATION
    Inventors: Maha Achour, George Daniel, Chiara Pelletti, Yan Wang
  • Patent number: 11005192
    Abstract: Examples disclosed herein relate to an intelligent metamaterial radar. The radar has an Intelligent Metamaterial (“iMTM”) antenna module to radiate a transmission signal with a dynamically controllable iMTM antenna in a plurality of directions based on a controlled reactance and generate radar data capturing a surrounding environment. The radar also has an iMTM interface module to detect and identify a target in the surrounding environment from the radar data and to control the iMTM antenna module.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: May 11, 2021
    Assignee: METAWAVE CORPORATION
    Inventors: Asmita Dani, Chiara Pelletti, Yan Wang, George Daniel, Maha Achour
  • Patent number: 10958336
    Abstract: Examples disclosed herein relate to a phased array antenna system for use with a Low Earth Orbit (“LEO”) satellite constellation. The phased array antenna system has a plurality of antenna panels positioned in a dome and an antenna controller to control the plurality of antenna panels, the controller directing a first antenna panel to transmit a first signal and a second antenna panel to transmit a second signal to a LEO satellite, the first signal having a first phase and the second signal having a second phase different from the first phase.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: March 23, 2021
    Assignee: METAWAVE CORPORATION
    Inventors: Jun Fang, Chiara Pelletti
  • Patent number: 10854985
    Abstract: Examples disclosed herein relate to a smart infrastructure sensing and communication system. The system includes a resonant structure formed of an array of resonant cells and attached to a glass of a smart infrastructure. The resonant structure generates a radio frequency (“RF”) signal that is shaped and steered by the array. A controller is in communication with the resonant structure to receive the RF signal.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: December 1, 2020
    Inventors: Maha Achour, Yan Wang, Chiara Pelletti, Bernard Casse
  • Patent number: 10741917
    Abstract: Examples disclosed herein relate to a power division structure. The power division structure has an input port to receive a transmission signal, a plurality of output ports to transmit portions of the transmission signal to a signal structure, and a plurality of transmission paths to propagate the transmission signal from the input port to the plurality of output ports, each transmission path having an associated weight and configured with power division vias to distribute the transmission signal according to its associated weight.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: August 11, 2020
    Inventor: Chiara Pelletti
  • Publication number: 20200136240
    Abstract: Examples disclosed herein relate to a range adaptable antenna system for use in autonomous vehicles. The antenna system has a connector and a transition layer to receive an RF transmission signal from a transmission signal controller, a range adaptable power divider layer coupled to the connector and transition layer to divide the RF transmission signal into a plurality of transmission signals to propagate through an array of transmission lines, with a set of transmission lines from the array of transmission lines having a set of switches, an RFIC layer having a plurality of phase shifters to apply different phase shifts to the plurality of transmission signals and generate a plurality of phase shifted transmission signals, and an antenna layer having an array of superelements for radiating the plurality of phase shifted transmission signals, wherein a set of superelements is connected to the set of switches in the range adaptable power divider layer for deactivation.
    Type: Application
    Filed: October 29, 2019
    Publication date: April 30, 2020
    Inventor: Chiara Pelletti
  • Publication number: 20200127386
    Abstract: Transitional elements to offset a capacitive impedance in a transmission line are disclosed. Described are various examples of transitional elements in a multilayer substrate that introduce a transitional reactance to cancel the transmission line capacitive effects. The transitional elements reduce insertion loss.
    Type: Application
    Filed: October 17, 2019
    Publication date: April 23, 2020
    Inventors: Taha Shahvirdi Dizaj Yekan, Chiara Pelletti
  • Publication number: 20200058987
    Abstract: Examples disclosed herein relate to a multi-layer, multi-steering (MLMS) antenna array for autonomous vehicles. The MLMS antenna array includes a superelement antenna array layer comprising superelement subarrays, in which each superelement subarray includes radiating slots for radiating a transmission signal. The MLMS antenna array also includes a power divider layer coupled to the superelement antenna array layer and configured to serve as a feed to the superelement antenna array layer, in which the power divider layer is coupled to phase shifters that apply different phase shifts to transmission signals propagating to the superelement antenna array layer. The MLMS antenna array also includes a transition layer configured to couple the power divider layer and the superelement antenna array layer to the phase shifters through transition structures such as through-hole vias. Other examples disclosed herein include a radar system for use in an autonomous driving vehicle.
    Type: Application
    Filed: August 15, 2019
    Publication date: February 20, 2020
    Inventors: Chiara Pelletti, Taha Yekan
  • Publication number: 20200021039
    Abstract: Examples disclosed herein relate to an analog beamforming antenna for millimeter wavelength applications. The analog beamforming antenna includes a superelement antenna array layer comprising an array of superelements, in which each superelement includes a coupling aperture oriented at a predetermined non-orthogonal angle relative to a plurality of radiating slots for radiating a transmission signal. The analog beamforming antenna also includes a power division layer configured to serve as a feed to the superelement antenna array layer, in which the power division layer comprising a plurality of phase control elements configured to apply different phase shifts to transmission signals propagating to the superelement antenna array layer. The analog beamforming antenna also includes a top layer disposed on the superelement antenna array layer. The top layer may include a superstrate or a metamaterial antenna array. Other examples disclosed herein include a radar system for use in an autonomous driving vehicle.
    Type: Application
    Filed: July 12, 2019
    Publication date: January 16, 2020
    Inventors: Chiara PELLETTI, Maha ACHOUR
  • Publication number: 20190393616
    Abstract: Examples disclosed herein relate to a multi-layer, multi-steering (“MLMS”) antenna array for millimeter wavelength applications. The MLMS antenna array includes a superelement antenna array layer comprising a plurality of superelement subarrays, in which each superelement subarray of the plurality of superelement subarrays includes a plurality of radiating slots for radiating a transmission signal. The MLMS antenna array also includes a power division layer configured to serve as a feed to the superelement antenna array layer, in which the power division layer includes a dielectric layer interposed between a plurality of conductive layers. The MLMS antenna array also includes a top layer disposed on the superelement antenna array layer. The top layer may include a superstrate or a metamaterial antenna array. Other examples disclosed herein include a radar system for use in an autonomous driving vehicle.
    Type: Application
    Filed: June 26, 2019
    Publication date: December 26, 2019
    Inventors: Chiara PELLETTI, Maha ACHOUR
  • Publication number: 20190379132
    Abstract: The present disclosures provide methods and apparatuses for a metamaterial antenna structure having a plurality of super elements of slotted transmission lines. The metamaterial antenna structure has an aperture structure with apertures positioned in a specific orientation relative to a centerline of the aperture structure and configured to propagate transmission signals from a distributed feed network through the apertures. The metamaterial antenna structure also has a transmission array structure comprising a plurality of transmission lines coupled to the aperture structure and configured to propagate the transmission signals from the aperture structure through one or more slots in the transmission array structure, in which the apertures of the aperture structure are interposed between the slots. The metamaterial antenna structure also has a radiating array structure coupled to the transmission array structure and configured to radiate the transmission signals from the transmission array structure.
    Type: Application
    Filed: June 12, 2019
    Publication date: December 12, 2019
    Inventors: Chiara Pelletti, Maha Achour
  • Publication number: 20190372656
    Abstract: Examples disclosed herein relate to a phased array antenna system for use with a Low Earth Orbit (“LEO”) satellite constellation. The phased array antenna system has a plurality of antenna panels positioned in a dome and an antenna controller to control the plurality of antenna panels, the controller directing a first antenna panel to transmit a first signal and a second antenna panel to transmit a second signal to a LEO satellite, the first signal having a first phase and the second signal having a second phase different from the first phase.
    Type: Application
    Filed: May 29, 2019
    Publication date: December 5, 2019
    Inventors: Jun Fang, Chiara Pelletti
  • Publication number: 20190363447
    Abstract: Examples disclosed herein relate to a reflector device, having a first conductive layer of substrate, a dielectric layer of substrate, and a second conductive layer patterned with a first and a second set of frequency selective elements configured to reflect an incident electromagnetic radiation beam into a plurality of reflected beams at phase angles different from that of the incident electromagnetic radiation beams.
    Type: Application
    Filed: May 24, 2019
    Publication date: November 28, 2019
    Inventors: Chiara Pelletti, Maha Achour
  • Publication number: 20190326670
    Abstract: Examples disclosed herein relate to methods and apparatuses for an antenna structure having reactance control of an array of radiating elements to achieve radiation beam tilting.
    Type: Application
    Filed: March 25, 2019
    Publication date: October 24, 2019
    Inventors: Chiara Pelletti, Maha Achour
  • Publication number: 20190326684
    Abstract: Examples disclosed herein relate to a Meta-Structure (“MTS”) antenna system with adaptive frequency-based power compensation. The MTS antenna system includes a radiating array structure having a plurality of radiating elements, and a transmission array structure coupled to the radiating array structure and feeding a transmission signal through to the radiating array structure. The transmission array structure has a plurality of super element transmission paths, each having a plurality of vias to form transmission paths and a plurality of slots for feeding the transmission signal to the radiating array structure, and a plurality of power amplifiers coupled to an adaptive feedback module, each power amplifier coupled to a super element transmission path, the adaptive feedback module to adjust a power gain at a center frequency.
    Type: Application
    Filed: April 22, 2019
    Publication date: October 24, 2019
    Inventors: Maha Achour, Raul Alidio, Chiara Pelletti