Patents by Inventor Mauro Ettorre
Mauro Ettorre 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).
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Publication number: 20240128654Abstract: A quasi-optical beamformer includes a plurality N> 1 of power feeds (PF), each of the i?[1; N] power feeds (PF) being configured to emit a respective radio-frequency beam denoted Ri, a radio-frequency transmission line (LT) fed at a first end by the power feeds and comprising at a second end a plurality of network ports (PR) that are configured to collect radio-frequency radiation, the transmission line (LT) comprising a radio-frequency waveguide (GO) that comprises at least two metal plates (PM) that are stacked so as to guide the radio-frequency beams Ri, i?[1; N] towards the network ports (PR), the transmission line (LT) extending along a central main axis denoted axis x, a first reflector (M1) having a first centre (C1) centred on the axis x and a first effective radius of curvature and being configured to reflect the guided radio-frequency beams Ri, i?[1; N], a second reflector (M2) having a second effective radius of curvature and being configured to reflect the radio-frequency beams (RFi) reflectedType: ApplicationFiled: October 12, 2023Publication date: April 18, 2024Inventors: Jean-Philippe FRAYSSE, Léonin LASSAUCE, Ségolène TUBAU, Mauro ETTORRE, Hervé LEGAY
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Patent number: 11658421Abstract: The invention relates to an antenna comprising a radiative antenna element able to emit a signal in at least two disjoint frequency bands and a waveguide covered by the radiative antenna element, comprising two nested resonant cavities, each single-mode or mostly single-mode in a separate frequency band.Type: GrantFiled: September 3, 2021Date of Patent: May 23, 2023Assignees: ARIANEGROUP SAS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE RENNES 1Inventors: Nicolas Attaja, Mauro Ettorre, Ronan Sauleau, Davy Guihard
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Publication number: 20220085500Abstract: The invention relates to an antenna comprising a radiative antenna element able to emit a signal in at least two disjoint frequency bands and a waveguide covered by the radiative antenna element, comprising two nested resonant cavities, each single-mode or mostly single-mode in a separate frequency band.Type: ApplicationFiled: September 3, 2021Publication date: March 17, 2022Applicants: ARIANEGROUP SAS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE RENNES 1Inventors: Nicolas ATTAJA, Mauro ETTORRE, Ronan SAULEAU, Davy GUIHARD
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Patent number: 11217896Abstract: A circularly polarized radiating element includes at least one excitation aperture for a wave that is linearly polarized with what is referred to as an excitation first polarization, a frequency selective surface and a metasurface comprising a two-dimensional and periodic array of metasurface cells, the excitation aperture opening onto the metasurface, the metasurface cells all being oriented identically with respect to the excitation polarization and configured to: reflect an incident wave having the excitation polarization in order to form a reflected wave polarized with the excitation polarization, and depolarize and reflect the incident wave in order to form a reflected wave polarized with the orthogonal polarization, having a phase difference substantially equal to ±90° with respect to the reflected wave polarized with the excitation polarization, and having an amplitude substantially equal to the amplitude of a wave radiated by the frequency selective surface, generated from the reflected wave polarizedType: GrantFiled: March 27, 2019Date of Patent: January 4, 2022Assignees: THALES, INSTITUT NATIONAL DES SCIENCES APPLIQUES, UNIVERSITE DE RENNES 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Hervé Legay, Antoine Calleau, Maria Garcia Vigueras, Mauro Ettorre
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Patent number: 10879577Abstract: The present disclosure relates to a multilayer electromagnetic waveguide that includes a plurality of layers forming guide channels for an electromagnetic wave, and at least one transition device including at least one dielectric layer between two guide channels, referred to as coupled guide channels, extending as an extension. Each transition device includes at least one adaptation channel extending in a longitudinal direction, and each adaptation channel is defined by two electrically conductive walls. At least one wall extends along the dielectric spacer layer from one end of the coupled guide channel, over a length suitable for optimizing the transmission of an electromagnetic wave between the two coupled guide channels.Type: GrantFiled: October 16, 2017Date of Patent: December 29, 2020Assignees: CENTRE NATIONAL D'ETUDES SPATIALES CNES, LE CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, L'UNIVERSITE DE RENNES 1Inventors: Nicolas Capet, Francesco Foglia Manzillo, Karim Tekkouk, Ronan Sauleau, Mauro Ettorre
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Publication number: 20190319327Abstract: The present disclosure relates to a multilayer electromagnetic waveguide that includes a plurality of layers forming guide channels for an electromagnetic wave, and at least one transition device including at least one dielectric layer between two guide channels, referred to as coupled guide channels, extending as an extension. Each transition device includes at least one adaptation channel extending in a longitudinal direction, and each adaptation channel is defined by two electrically conductive walls. At least one wall extends along the dielectric spacer layer from one end of the coupled guide channel, over a length suitable for optimizing the transmission of an electromagnetic wave between the two coupled guide channels.Type: ApplicationFiled: October 16, 2017Publication date: October 17, 2019Applicant: Centre National d'Etudes Spatiales CNESInventors: Nicolas CAPET, Francesco FOGLIA MANZILLO, Karim TEKKOUK, Ronan SAULEAU, Mauro ETTORRE
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Publication number: 20190305436Abstract: A circularly polarized radiating element includes at least one excitation aperture for a wave that is linearly polarized with what is referred to as an excitation first polarization, a frequency selective surface and a metasurface comprising a two-dimensional and periodic array of metasurface cells, the excitation aperture opening onto the metasurface, the metasurface cells all being oriented identically with respect to the excitation polarization and configured to: reflect an incident wave having the excitation polarization in order to form a reflected wave polarized with the excitation polarization, and depolarize and reflect the incident wave in order to form a reflected wave polarized with the orthogonal polarization, having a phase difference substantially equal to ±90° with respect to the reflected wave polarized with the excitation polarization, and having an amplitude substantially equal to the amplitude of a wave radiated by the frequency selective surface, generated from the reflected wave polarizedType: ApplicationFiled: March 27, 2019Publication date: October 3, 2019Inventors: Hervé Legay, Antoine Calleau, Maria Garcia Vigueras, Mauro Ettorre
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Patent number: 10135150Abstract: A beamformer comprises a transmission line fed by at least one input feed source, the transmission line comprising two stacked metal plates extending, along two directions, longitudinal X and transverse Y. The transmission line further comprises at least one protuberance extending in the directions X, Y, and in a direction Z orthogonal to the plane XY, the protuberance comprising a metal insert extending in the directions X and Y and extending height-wise in the direction Z, the insert comprising a base fastened to one of the two metal plates and a free end and having a contour of variable length between the two lateral edges of the transmission line. In the protuberance, the transmission line is adjoining the insert and forms, in the direction Z, a circumvolution around the insert.Type: GrantFiled: June 28, 2016Date of Patent: November 20, 2018Assignees: THALES, UNIVERSITE DE RENNES 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Hervé Legay, Ségolène Tubau, Jean-Philippe Fraysse, Etienne Girard, Mauro Ettorre, Ronan Sauleau, Nelson Fonseca
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Patent number: 9887458Abstract: A compact Butler matrix consists a planar multilayer structure comprising N parallel metal plate waveguides PPW, stacked one on top of the other, two adjacent waveguides PPW comprising a common wall consisting of one of the metal plates. The couplers, the phase-shifters and the crossover devices of the Butler matrix consist of metasurfaces incorporated in the metal plates. The planar two-dimensional beam-former can comprise a Butler matrix with waveguides PPW associated with optical lenses incorporated in each waveguide PPW. Alternatively, the planar two-dimensional beam-former can comprise an upper stage consisting of a Butler matrix with waveguides PPW, and a lower stage comprising waveguides PPW equipped with incorporated reflectors, the two stages being connected in series.Type: GrantFiled: March 21, 2016Date of Patent: February 6, 2018Assignees: THALES, UNIVERSITE DE RENNES 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Hervé Legay, Jean-Philippe Fraysse, Etienne Girard, Mauro Ettorre, Ronan Sauleau
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Patent number: 9627779Abstract: The multi-beam former comprises: two stages connected together and intended to synthesize beams focused along two directions in space; each stage comprises at least two multi-layer plane structures (P11, P1Ny), (P21, P2Mx), superposed one above the other; each multi-layer structure (P11, P1Ny, P21, P2Mx) comprises an internal reflector, at least two first internal sources disposed in front of the internal reflector and linked to two input/output ports (27, 26) aligned along an axis (V, V?), at least two second internal sources disposed in a focal plane of the internal reflector and linked to two second input/output ports (25, 28) aligned along an axis (U, U?) perpendicular to the axis (V, V?); the two second internal sources of the same multi-layer structure (P11) of the first stage are respectively linked to two first internal sources of two different multi-layer structures (P21), (P2Mx) of the second stage.Type: GrantFiled: January 25, 2013Date of Patent: April 18, 2017Assignees: THALES, UNIVERSITE DE RENNES 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Hervé Legay, Ronan Sauleau, Mauro Ettorre
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Publication number: 20170005407Abstract: A beamformer comprises a transmission line fed by at least one input feed source, the transmission line comprising two stacked metal plates extending, along two directions, longitudinal X and transverse Y. The transmission line further comprises at least one protuberance extending in the directions X, Y, and in a direction Z orthogonal to the plane XY, the protuberance comprising a metal insert extending in the directions X and Y and extending height-wise in the direction Z, the insert comprising a base fastened to one of the two metal plates and a free end and having a contour of variable length between the two lateral edges of the transmission line. In the protuberance, the transmission line is adjoining the insert and forms, in the direction Z, a circumvolution around the insert.Type: ApplicationFiled: June 28, 2016Publication date: January 5, 2017Inventors: Hervé LEGAY, Ségolène TUBAU, Jean-Philippe FRAYSSE, Etienne GIRARD, Mauro ETTORRE, Ronan SAULEAU, Nelson FONSECA
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Publication number: 20160285165Abstract: A compact Butler matrix consists a planar multilayer structure comprising N parallel metal plate waveguides PPW, stacked one on top of the other, two adjacent waveguides PPW comprising a common wall consisting of one of the metal plates. The couplers, the phase-shifters and the crossover devices of the Butler matrix consist of metasurfaces incorporated in the metal plates. The planar two-dimensional beam-former can comprise a Butler matrix with waveguides PPW associated with optical lenses incorporated in each waveguide PPW. Alternatively, the planar two-dimensional beam-former can comprise an upper stage consisting of a Butler matrix with waveguides PPW, and a lower stage comprising waveguides PPW equipped with incorporated reflectors, the two stages being connected in series.Type: ApplicationFiled: March 21, 2016Publication date: September 29, 2016Inventors: Hervé LEGAY, Jean-Philippe FRAYSSE, Etienne GIRARD, Mauro ETTORRE, Ronan SAULEAU
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Patent number: 9246232Abstract: A multilayer antenna is provided, which includes a power supply portion generating a wave, a radiating portion, and a guide portion that makes it possible to guide the wave from the power supply portion to the radiating portion. The guide portion includes: at least two stacked guide layers having parallel planes and, for each pair of adjacent layers, a transition between the adjacent layers, including a reflector engaging with a slot-coupling. For at least one pair of adjacent layers, for which the guide portion includes a non-planar reflector, the slot-coupling includes a plurality of slots. Each slot includes a main body that is elongate along at least one axis. The slots are placed on at least one row and together form a pattern that extends along the reflector and has a shape that is dependent on the shape of the reflector.Type: GrantFiled: March 29, 2010Date of Patent: January 26, 2016Assignees: Universite De Rennes 1, Centre National de la Recherche ScientifiqueInventors: Ronan Sauleau, Mauro Ettorre
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Patent number: 8976072Abstract: A flat scanning antenna comprises at least one slotted waveguide array comprising two dielectric substrates, one superposed above the other. The two substrates comprise the same number of waveguides, which are in mutual correspondence and communicate between them, pairwise, via corresponding coupling slots. Each waveguide of the upper substrate further includes a plurality of radiating slots, all the radiating slots being mutually parallel and oriented in the same direction and each waveguide of the lower substrate includes an individual internal supply circuit comprising an individual phase-shift/amplification electronic circuit.Type: GrantFiled: January 17, 2011Date of Patent: March 10, 2015Assignee: ThalesInventors: Regis Lenormand, Jean-Michel Merour, Jean-Michel Mateus, Ronan Sauleau, Mauro Ettorre, Gerard Raguenet
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Publication number: 20140354499Abstract: A multi-beam former comprises: two stages connected together and intended to synthesize beams focused along two directions in space; each stage comprises at least two multi-layer plane structures, superposed one above the other; each multi-layer structure comprises an internal reflector, at least two first internal sources disposed in front of the internal reflector and linked to two input/output ports aligned along an axis, at least two second internal sources disposed in a focal plane of the internal reflector and linked to two second input/output ports aligned along an axis perpendicular to the axis; the two second internal sources of the same multi-layer structure of the first stage are respectively linked to two first internal sources of two different multi-layer structures of the second stage.Type: ApplicationFiled: January 25, 2013Publication date: December 4, 2014Inventors: Hervé Legay, Ronan Sauleau, Mauro Ettorre
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Patent number: 8421698Abstract: A leaky wave antenna has electrically conductive surfaces in parallel to each other. At one place a two-dimensional array of slots is provided in one of the surfaces. Elsewhere a feed structure is realized comprising one or more electrically conductive elements coupled between the first and second electrically conductive surface and configured to direct an electromagnetic wave pattern travelling between surfaces towards the array. In an embodiment the feed structure comprises a waveguide formed between walls connecting the surfaces. One of the walls is made to leak in order to feed the array of slots. In an embodiment the feed structure comprises a reflector comprising connections between the surfaces, to direct waves between the surfaces to the array of slots.Type: GrantFiled: July 25, 2008Date of Patent: April 16, 2013Assignee: Nederlandse Organisatie voor toegepastnatuurwetenschappelijk onderzoek TNOInventors: Andrea Neto, Mauro Ettorre, Giampiero Gerini
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Publication number: 20120287006Abstract: A flat scanning antenna comprises at least one slotted waveguide array comprising two dielectric substrates, one superposed above the other. The two substrates comprise the same number of waveguides, which are in mutual correspondence and communicate between them, pairwise, via corresponding coupling slots. Each waveguide of the upper substrate further includes a plurality of radiating slots, all the radiating slots being mutually parallel and oriented in the same direction and each waveguide of the lower substrate includes an individual internal supply circuit comprising an individual phase-shift/amplification electronic circuit.Type: ApplicationFiled: January 17, 2011Publication date: November 15, 2012Applicant: THALESInventors: Regis Lenormand, Jean-Michel Merour, Jean-Michel Mateus, Ronan Sauleau, Mauro Ettorre, Gerard Raguenet
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Publication number: 20120092224Abstract: A multilayer antenna is provided, which includes a power supply portion generating a wave, a radiating portion, and a guide portion that makes it possible to guide the wave from the power supply portion to the radiating portion. The guide portion includes: at least two stacked guide layers having parallel planes and, for each pair of adjacent layers, a transition between the adjacent layers, including a reflector engaging with a slot-coupling. For at least one pair of adjacent layers, for which the guide portion includes a non-planar reflector, the slot-coupling includes a plurality of slots. Each slot includes a main body that is elongate along at least one axis. The slots are placed on at least one row and together form a pattern that extends along the reflector and has a shape that is dependent on the shape of the reflector.Type: ApplicationFiled: March 29, 2010Publication date: April 19, 2012Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE RENNES 1Inventors: Ronan Sauleau, Mauro Ettorre
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Publication number: 20100194656Abstract: A leaky wave antenna has electrically conductive surfaces in parallel to each other. At one place a two-dimensional array of slots is provided in one of the surfaces. Elsewhere a feed structure is realized comprising one or more electrically conductive elements coupled between the first and second electrically conductive surface and configured to direct an electromagnetic wave pattern travelling between surfaces towards the array. In an embodiment the feed structure comprises a waveguide formed between walls connecting the surfaces. One of the walls is made to leak in order to feed the array of slots. In an embodiment the feed structure comprises a reflector comprising connections between the surfaces, to direct waves between the surfaces to the array of slots.Type: ApplicationFiled: July 25, 2008Publication date: August 5, 2010Applicant: Nederlandse Organisatie voor toegepast-natuurwetenschappelijk orderzoek TNOInventors: Andrea Neto, Mauro Ettorre, Giampiero Gerini