Patents by Inventor Ronan Sauleau
Ronan Sauleau 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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Patent number: 11871896Abstract: The biotelemetry device (100) comprises a microcontroller (101) for generating an electrical setpoint signal (CS); a radio antenna (103) for transmitting an electromagnetic wave (EMS) by converting an incident electrical signal (IS); a radiofrequency circuit (102), interconnected between the microcontroller (101) and the radio antenna (103). The radio antenna (103) is configured such that, when the biotelemetry device (100) is placed in the biological medium (110), it can be impedance-mismatched relative to the radiofrequency circuit (102) so as to generate a reflected electrical signal (RS) by reflecting a fraction of the incident electrical signal at the same time that the radio antenna is transmitting the electromagnetic wave (EMS).Type: GrantFiled: October 2, 2018Date of Patent: January 16, 2024Assignees: BODYCAP, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE RENNESInventors: Denys Nikolayev, Maxim Zhadobov, Ronan Sauleau
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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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Patent number: 11616290Abstract: Disclosed is a radio antenna comprising a substrate of dielectric material; a ground plane of electrically conductive material on a first face of the substrate; a resonator for converting an incident electrical signal into an electromagnetic wave and for resonating at at least two different resonant frequencies. The resonator comprises at least three elements, each in the form of strips of conductive material and arranged on a second face of the substrate opposite the first face. A second element is electrically connected to the ground plane by means of a via passing through the substrate at a first end of the corresponding strip, forms an extension of the first element, and is electrically connected directly to the first element at a second end of said strip which is opposite the first end.Type: GrantFiled: January 7, 2022Date of Patent: March 28, 2023Assignees: BODYCAP, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE RENNES 1Inventors: Denys Nikolayev, Maxim Zhadobov, Ronan Sauleau
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Publication number: 20220209394Abstract: Disclosed is a radio antenna comprising a substrate of dielectric material; a ground plane of electrically conductive material on a first face of the substrate; a resonator for converting an incident electrical signal into an electromagnetic wave and for resonating at at least two different resonant frequencies. The resonator comprises at least three elements, each in the form of strips of conductive material and arranged on a second face of the substrate opposite the first face. A second element is electrically connected to the ground plane by means of a via passing through the substrate at a first end of the corresponding strip, forms an extension of the first element, and is electrically connected directly to the first element at a second end of said strip which is opposite the first end.Type: ApplicationFiled: January 7, 2022Publication date: June 30, 2022Inventors: Denys NIKOLAYEV, Maxim ZHADOBOV, Ronan SAULEAU
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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: 11258166Abstract: Disclosed is a radio antenna comprising a substrate of dielectric material; a ground plane of electrically conductive material on a first face of the substrate; a resonator for converting an incident electrical signal into an electromagnetic wave and for resonating at at least two different resonant frequencies. The resonator comprises at least three elements, each in the form of strips of conductive material and arranged on a second face of the substrate opposite the first face. A second element is electrically connected to the ground plane by means of a via passing through the substrate at a first end of the corresponding strip, forms an extension of the first element, and is electrically connected directly to the first element at a second end of said strip which is opposite the first end.Type: GrantFiled: October 4, 2018Date of Patent: February 22, 2022Assignees: BODYCAP, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE RENNES 1Inventors: Denys Nikolayev, Maxim Zhadobov, Ronan Sauleau
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Publication number: 20210030305Abstract: The biotelemetry device (100) comprises a microcontroller (101) for generating an electrical setpoint signal (CS); a radio antenna (103) for transmitting an electromagnetic wave (EMS) by converting an incident electrical signal (IS); a radiofrequency circuit (102), interconnected between the microcontroller (101) and the radio antenna (103). The radio antenna (103) is configured such that, when the biotelemetry device (100) is placed in the biological medium (110), it can be impedance-mismatched relative to the radiofrequency circuit (102) so as to generate a reflected electrical signal (RS) by reflecting a fraction of the incident electrical signal at the same time that the radio antenna is transmitting the electromagnetic wave (EMS).Type: ApplicationFiled: October 2, 2018Publication date: February 4, 2021Inventors: Denys NIKOLAYEV, Maxim ZHADOBOV, Ronan SAULEAU
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Patent number: 10910701Abstract: The radio antenna comprises a substrate formed of a dielectric material; a ground plane made of an electrically conductive material, the ground plane being arranged on a first face (F2) of the substrate; a resonator configured to convert an incident electrical signal into an electromagnetic wave. The resonator includes a first element (E1) having a first characteristic impedance and a second element (E2) having a second characteristic impedance that is higher than the first characteristic impedance. The first element (E1) is configured to receive the incident electrical signal, the first element (E1) is formed by a strip of electrically conductive material, the strip being arranged on a second face (F1) of the substrate opposite the first face (F2). The second element (E2) is formed by a rectilinear segment, cut in the ground plane and separated from the rest of the ground plane by a slot (202) of fixed width.Type: GrantFiled: October 4, 2018Date of Patent: February 2, 2021Assignees: BODYCAP, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE RENNES 1Inventors: Denys Nikolayev, Maxim Zhadobov, Ronan Sauleau
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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: 20200266528Abstract: The radio antenna comprises a substrate formed of a dielectric material; a ground plane made of an electrically conductive material, the ground plane being arranged on a first face (F2) of the substrate; a resonator configured to convert an incident electrical signal into an electromagnetic wave. The resonator includes a first element (El) having a first characteristic impedance and a second element (E2) having a second characteristic impedance that is higher than the first characteristic impedance. The first element (El) is configured to receive the incident electrical signal, the first element (El) is formed by a strip of electrically conductive material, the strip being arranged on a second face (Fl) of the substrate opposite the first face (F2). The second element (E2) is formed by a rectilinear segment, cut in the ground plane and separated from the rest of the ground plane by a slot (202) of fixed width.Type: ApplicationFiled: October 4, 2018Publication date: August 20, 2020Inventors: Denys NIKOLAYEV, Maxim ZHADOBOV, Ronan SAULEAU
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Publication number: 20200243953Abstract: Disclosed is a radio antenna comprising a substrate of dielectric material; a ground plane of electrically conductive material on a first face of the substrate; a resonator for converting an incident electrical signal into an electromagnetic wave and for resonating at at least two different resonant frequencies. The resonator comprises at least three elements, each in the form of strips of conductive material and arranged on a second face of the substrate opposite the first face. A second element is electrically connected to the ground plane by means of a via passing through the substrate at a first end of the corresponding strip, forms an extension of the first element, and is electrically connected directly to the first element at a second end of said strip which is opposite the first end.Type: ApplicationFiled: October 4, 2018Publication date: July 30, 2020Inventors: Denys NIKOLAYEV, Maxim ZHADOBOV, Ronan SAULEAU
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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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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: 9843099Abstract: A radiating element is provided, for example for array antenna, having stacked resonant cavities of Pérot-Fabry type, of compact structure, a lower cavity being fed by excitation means, the radiating element being characterized in that corrugations are formed substantially below a first earth plane delimiting in its lower part the upper resonant cavity. A radiating element structure of improved compactness is also proposed, whose upper cavity is surmounted by a polarizing radome.Type: GrantFiled: April 29, 2011Date of Patent: December 12, 2017Assignees: Thales, Centre National De La Recherche ScientifiqueInventors: Hervé Legay, Shoaib Muhammad, Ronan Sauleau, Gérard Caille
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Patent number: 9755291Abstract: A compact dual-polarization planar power splitter comprises at least four asymmetric orthomode transducers (OMTs) connected in an array suitable for being coupled in-phase to a dual orthogonal polarization feed source via two power distributors mounted perpendicularly in relation to one another, each power distributor comprising at least two lateral metal waveguides disposed parallel to one another, and a transverse metal waveguide coupled perpendicularly to the two lateral metal waveguides and four ends of the lateral waveguides coupled respectively to the four asymmetric OMTs.Type: GrantFiled: November 1, 2014Date of Patent: September 5, 2017Assignee: ThalesInventors: Herve Legay, Adrien Cottin, Ronan Sauleau, Patrick Pottier
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Patent number: 9728863Abstract: A power splitter comprises at least two mutually parallel lateral waveguides with rectangular cross-section and a transverse waveguide with rectangular cross-section comprising two opposite ends respectively connected to the two lateral waveguides. The two lateral waveguides are oriented along a direction Y and mounted flat with their large side parallel to a plane XY, the transverse waveguide is oriented along a direction X perpendicular to the direction Y and mounted edgewise with its small side parallel to the plane XY, and each lateral waveguide is coupled to the transverse waveguide by a tee coupler in the E-plane with embedded junction, the two ends of the transverse waveguide being respectively embedded in each lateral waveguide, at the center of the said respective lateral waveguide.Type: GrantFiled: November 1, 2014Date of Patent: August 8, 2017Assignee: THALESInventors: Herve Legay, Adrien Cottin, Ronan Sauleau, Patrick Potier, Pierre Bosshard
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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