Patents Assigned to Universite de Rennes 1
  • Publication number: 20210159348
    Abstract: A shielding element comprises a rigid substrate and at least one electrically conductive two-dimensional structure which is placed on one of the faces of the substrate. The substrate and the electrically conductive two-dimensional structure are such that the shielding element has optical-transmission and shielding-efficiency values at least one of which varies between two zones of the shielding element. Such a shielding element enables easier assembly of a detection system comprising multiple optical sensors.
    Type: Application
    Filed: January 19, 2021
    Publication date: May 27, 2021
    Applicants: SAFRAN ELECTRONICS & DEFENSE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS -, UNIVERSITE DE RENNES 1
    Inventors: Cyril DUPEYRAT, Patrice FOUTREL, Philippe BESNIER, Xavier CASTEL, Yonathan CORREDORES
  • Publication number: 20210153799
    Abstract: A system for estimating physical parameter(s) of a medium having electrolyte(s), including at least one working electrode; one counter electrode; a current generator delivering to the electrodes electric current pulses; a computer-readable memory including a predefined analytic model of an electric potential, between the working and counter electrodes, as a function of time, receiving as inputs the current and current pulse duration and including the physical parameter to be estimated; an acquisition unit including a signal amplifier for acquiring and amplifying an electric potential recorded by the electrodes; a processor including a stimulation module controlling the current generator to deliver a biphasic charge-balanced current during a stimulation duration; an acquisition module acquiring an electric potential variation during the stimulation duration; and a calculation module receiving the acquired electric potential variation, fitting the acquired electric potential variation using the predefined analy
    Type: Application
    Filed: June 21, 2019
    Publication date: May 27, 2021
    Applicants: UNIVERSITÉ DE RENNES 1, INSERM (INSTITUT NATIONAL DE LA SANTÉ ET DE LA RECHERCHE MÉDICALE)
    Inventors: Julien MODOLO, Andres CARVALLO, Fabrice WENDLING, Pascal BENQUET
  • Patent number: 10995246
    Abstract: The present invention provides a curable adhesive composition comprising at least one curable silylated polymer and at least one curing catalyst obtained by reaction of a metal alkoxide and an oxime. The present invention also provides the use of a metal compound obtained by reaction of a metal alkoxide and an oxime as curing catalyst for silylated polymers.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: May 4, 2021
    Assignees: BOSTIK SA, Centre National de la Recherche Scientifique (CNRS), UNIVERSITE DE RENNES 1
    Inventors: Boris Colin, Guillaume Michaud, Frederic Simon, Olivier Lavastre
  • Patent number: 10910701
    Abstract: 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: Grant
    Filed: October 4, 2018
    Date of Patent: February 2, 2021
    Assignees: BODYCAP, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE RENNES 1
    Inventors: Denys Nikolayev, Maxim Zhadobov, Ronan Sauleau
  • Patent number: 10903573
    Abstract: The disclosure relates to a ferrite antenna comprising at least one main contour, comprising at least one first winding referred to as main winding, at least one first ferromagnetic rod referred to as main ferromagnetic rod and a tuning system, each main winding being wound around a main ferromagnetic rod and connected to the tuning system comprising a capacitor connected in parallel with the main winding. The ferrite antenna further comprises a non-resonant secondary contour, comprising a secondary winding separated electrically from each main winding and a secondary ferromagnetic rod around which the secondary winding is wound, and each main ferromagnetic rod and the secondary ferromagnetic rod are arranged parallel to one another so as to make it possible for a magnetic coupling of each main winding with the secondary winding.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: January 26, 2021
    Assignees: TDF, UNIVERSITE DE RENNES 1
    Inventors: Evgueni Kaverine, Sébastien Palud, Mohamed Himdi, Franck Colombel
  • Patent number: 10879577
    Abstract: 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: Grant
    Filed: October 16, 2017
    Date of Patent: December 29, 2020
    Assignees: CENTRE NATIONAL D'ETUDES SPATIALES CNES, LE CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, L'UNIVERSITE DE RENNES 1
    Inventors: Nicolas Capet, Francesco Foglia Manzillo, Karim Tekkouk, Ronan Sauleau, Mauro Ettorre
  • Publication number: 20200363307
    Abstract: A method for determining a rate of sedimentation or of creaming of a mixture in suspension, including an application of a sample of the mixture in suspension to a photonic microresonator, an application of a first optical signal at the input of the photonic microresonator carrying the sample of the mixture in suspension, an acquisition and a recording of a second optical signal, delivered at the output of the microresonator carrying the sample of the mixture in suspension, and a determination of information representing a rate of sedimentation or of creaming of the mixture from the recorded second signal, by successive iterations of spectral analysis of the second optical signal.
    Type: Application
    Filed: January 17, 2019
    Publication date: November 19, 2020
    Applicants: UNIVERSITE DE RENNES 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)
    Inventors: Bruno BECHE, Hervé LHERMITE, Véronique VIE, Lucas GARNIER
  • Publication number: 20200335641
    Abstract: A shielding element comprises a rigid substrate and at least one electrically conductive two-dimensional structure which is placed on one of the faces of the substrate. The substrate and the electrically conductive two-dimensional structure are such that the shielding element has optical-transmission and shielding-efficiency values at least one of which varies between two zones of the shielding element. Such a shielding element enables easier assembly of a detection system comprising multiple optical sensors.
    Type: Application
    Filed: May 22, 2017
    Publication date: October 22, 2020
    Applicants: SAFRAN ELECTRONICS & DEFENSE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS -, UNIVERSITE DE RENNES 1
    Inventors: Cyril DUPEYRAT, Patrice FOUTREL, Philippe BESNIER, Xavier CASTEL, Yonathan CORREDORES
  • Patent number: 10772930
    Abstract: The present invention relates to an isolated bacterium from the genus Pseudoalteromonas for its use as a probiotic, the use of said strain as a preservative, cyclolipopeptides which may be obtained from this bacterium, a composition comprising at least such a cyclolipopeptide, as well as to their uses.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: September 15, 2020
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), UNIVERSITE DE RENNES 1, UNIVERSITE DE BRETAGNE OCCIDENTALE
    Inventors: Florie Desriac, Yannick Fleury, Patrick Le Chevalier, Delphine Destoumieux, Matthieu Simon
  • Publication number: 20200255571
    Abstract: 1) Hydrocarbon-based copolymer comprising two end groups preceded by an ether function and chosen from a 2-oxo-1,3-dioxolan-4-yl (or cyclocarbonate), a dithiocyclocarbonate, and a 2-oxo-1,3-dioxolen-4-yl, the main chain of which comprises units (I) and (II) in which R0 is notably a methyl radical; and the number-average molecular mass Mn of which is between 400 and 100 000 g/mol. 2) Process for preparing said copolymer, comprising: (i) a step of heating a statistical bipolymer A chosen from a poly(butadiene-isoprene), a poly(butadiene-myrcene) and a poly(butadiene-farnesene); and then (ii) a step of heating the product formed, in the presence of a chain-transfer agent. 3) Use as adhesive, as a mixture with an amine compound comprising at least two amine groups.
    Type: Application
    Filed: September 27, 2018
    Publication date: August 13, 2020
    Applicants: BOSTIK SA, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE RENNES 1
    Inventors: Guillaume MICHAUD, Stephane FOUQUAY, Frederic SIMON, Sophie GUILLAUME, Jean-Francois CARPENTIER, Cyril CHAUVEAU
  • Publication number: 20200255587
    Abstract: 1) Hydrocarbon-based copolymer comprising two end groups preceded by an ester function and chosen from a 2-oxo-1,3-dioxolan-4-yl (or cyclocarbonate), a dithiocyclocarbonate, an exo-vinylene cyclocarbonate and a 2-oxo-1,3-dioxolen-4-yl, the main chain of which comprises units (I) and (II) in which R0 is notably a methyl radical; and the number-average molecular mass Mn of which is between 400 and 100 000 g/mol. 2) Process for preparing said copolymer, comprising: (i) a step of heating a statistical bipolymer A chosen from a poly(butadiene-isoprene), a poly(butadiene-myrcene) and a poly(butadiene-farnesene); and then (ii) a step of heating the product formed, in the presence of a chain-transfer agent. 3) Use as adhesive, as a mixture with an amine compound comprising at least two amine groups.
    Type: Application
    Filed: September 27, 2018
    Publication date: August 13, 2020
    Applicants: BOSTIK SA, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE RENNES 1
    Inventors: Guillaume MICHAUD, Stephane FOUQUAY, Frederic SIMON, Sophie GUILLAUME, Jean-Francois CARPENTIER, Cyril CHAUVEAU
  • Patent number: 10739392
    Abstract: Some embodiments relate to a device for simulating characteristics of human tissues in electromagnetic dosimetry. The device includes a substrate bearing a metallised shielding, a layer of a dielectric material arranged on or preferentially beneath the substrate and the device including a plurality of openings made in the shielding and at least one array of sensors in the layer of dielectric material.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: August 11, 2020
    Assignees: UNIVERSITÉ DE RENNES 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRS
    Inventors: Maxim Zhadobov, Artem Boriskin
  • Patent number: 10735111
    Abstract: A method for determining a distance to a passive intermodulation source in a device under test, the method comprising transmitting at least two signals with respective different frequencies to the device under test, receiving a complex response signal from the device under test, the complex response signal comprising a passive intermodulation of the at least two signals, generating an autocorrelation matrix using the complex response signal, the autocorrelation matrix representing power information of the complex response signal, decomposing the complex response signal, using the autocorrelation matrix, into a signal component part and a noise component part and determining a distance to the passive intermodulation source in the device under test using the noise and/or signal component part.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: August 4, 2020
    Assignees: NOKIA SHANGHAI BELL CO., LTD., UNIVERSITÉ DE RENNES 1
    Inventors: Jean-Pierre Harel, Gilles Duteil, Patrick Lecam, Franck Colombel, Stéphane Avrillon
  • Publication number: 20200235473
    Abstract: The invention concerns an antenna, comprising at least two non-ferrous metal plates, at least one first plate forming a radiating portion and a second plate forming a mass plane, at least one substrate, arranged between the mass plane and the radiating portion, and an excitor of length at least equal to the thickness of the substrate, extending between the mass plane and the radiating portion and connected to the radiating portion, and adapted to supply the antenna, characterised in that the substrate is a dispersive ferromagnetic substrate, called dispersive ferrite presenting, as magnetic features, a high relative magnetic permeability comprised between 10 and 10,000 and a high magnetic loss tangent greater than 0.1, said antenna comprising means for gradually and locally reducing magnetic features of the dispersive ferrite.
    Type: Application
    Filed: October 4, 2018
    Publication date: July 23, 2020
    Applicants: TDF, UNIVERSITE DE RENNES 1
    Inventors: Evgueni KAVERINE, Sébastien PALUD, Franck COLOMBEL, Mohamed HIMDI
  • Publication number: 20200208030
    Abstract: Hydrocarbon copolymer P comprising 2 alkoxysilane end groups F1 and F2 of formulae: —F1 : (R?O)3-tRtSi—R?—NH—C(O)O—(CH2)g1— and F2: —(CH2)d1—OC(O)—NH—R?—SiRtOR?)3-t; or —F1: (R?O)3-tRtSi—R?—NR??—C(O)—NH—(CH2)g1— and F2: —(CH2)d1—NH—C(O)—NR??—R?—SiRt(OR?)3-t; or —F1: (R?O)3-tRtSi—R?—NR??—C(O)—(CH2)g2— and F2: —(CH2)d2C(O)—NR??—R?—SiRt(OR?)3-t; wherein t is 0, 1 or 2; g1 and d1 are 1, 2 or 3; g2 and d2 are 0, 1, 2 or 3; R and R? represent a C1-C4 alkyl; R? is a C1-C4 alkylene radical; R?? is method for producing the copolymer, by heating a statistical bipolymer A: poly(butadiene-isoprene), poly(butadiene-myrcene) or poly(butadiene-farnesene); and heating the formed product, in the presence of a chain transfer agent of formula (C) and adhesive composition of the copolymer and a crosslinking catalyst.
    Type: Application
    Filed: May 22, 2018
    Publication date: July 2, 2020
    Applicants: BOSTIK SA, Centre National De La Recherche Scientifique, Universite De Rennes 1
    Inventors: Guillaume MICHAUD, Frederic SIMON, Stephane FOUQUAY, Xiaolu MICHEL, Jean-Francois CARPENTIER, Sophie GUILLAUME
  • Publication number: 20200172660
    Abstract: 1) Hydrocarbon copolymer P comprising 2 alkoxysilane end groups F1 and F2 of formulae: —F1: (R?O)3-tRtSi—(CH2)g1- and F2: —(CH2)d1—SiRt(OR?)3-t; or F1: (R?O)3-tRtSi—R?—O(O)C—(CH2)g2— and F2: —(CH2)d2—C(O)O—R?—SiRt(OR?)3-t; wherein t is 0, 1 or 2; g1 and d1 are 1, 2 or 3; g2 and d2 are 0, 1, 2 or 3; R et R? represent a C1-C4 alkyl; R? is a C1-C4 alkylene radical; the main chain comprising motifs (I) and (II) in which R0 is in particular the methyl radical; and the number average molecular mass Mn thereof being between 400 and 100,000 g/mol. 2) Method for producing said copolymer, comprising: (i) a step of heating a statistical bipolymer A selected from a poly(butadiene-isoprene), a poly(butadiene-myrcene) and a poly(butadiene-farnesene); and subsequently (ii) a step of heating the formed product, in the presence of a chain transfer agent of formula (C). 3) Adhesive composition comprising said copolymer.
    Type: Application
    Filed: May 22, 2018
    Publication date: June 4, 2020
    Applicants: BOSTIK SA, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE RENNES 1
    Inventors: Guillaume MICHAUD, Xiaolu MICHEL, Frederic SIMON, Stephane FOUQUAY, Sophie GUILLAUME, Jean-Francois CARPENTIER
  • Publication number: 20200173859
    Abstract: An optically transparent electromagnetic shield assembly comprising an electrical connection device with variable electrical resistance. The electrical connection device electrically connects a conductive two-dimensional structure, which covers a transparent substrate, to a shell portion which is electrically conductive. The resistance of the connection device can be adjusted, either initially for a detection system for which the shield assembly is intended or in real time while the shield assembly is in use, according to an RF radiation intensity.
    Type: Application
    Filed: May 15, 2018
    Publication date: June 4, 2020
    Applicants: SAFRAN ELECTRONICS & DEFENSE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS, UNIVERSITE DE RENNES 1
    Inventors: Cyril Dupeyrat, Patrice Foutrel, Philippe Besnier, Xavier Castel, Yonathan Corredores
  • Patent number: 10663554
    Abstract: The invention relates to a module (6) for producing an MRI and/or MRS reference signal (S0), characterized in that the module comprises: a first receiving input (621) for receiving of an MRI and/or MRS synchronization signal (S3), a second receiving input (612) for receiving of a time signal (S8) of external stimulation, supply means (62) for supplying of a prescribed signal (RV) representing an MRI and/or MRS virtual object (RVV), generating means for generating of the MRI and/or MRS reference signal (S0), for temporally varying the MRI and/or MRS reference signal (S0) in the same way as a time characteristic determined from the time signal (S8) of external stimulation and in synchronization with the MRI and/or MRS synchronization signal (S3), a supply output (632) for supplying of the MRI and/or MRS reference signal (S0).
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: May 26, 2020
    Assignees: Universite De Rennes 1, Institut National de la Sante et de la Recherche Medicale (INSERM), Fondat Region Ouest Ligue Cancer
    Inventors: Hervé Saint-Jalmes, Giulio Gambarota
  • Patent number: 10652295
    Abstract: A method is proposed for optimizing the bit rate of multimedia contents accessible by a plurality of user terminals connected to a radiocommunications network cell. The multimedia contents are stored in the form of a plurality of independent chunks on at least one multimedia contents server associated with at least one contents provider. The method includes the following steps, implemented in a device for optimizing the bit rate: receiving one request to obtain a multimedia description file, sent by a user terminal; obtaining a multimedia description file; modifying the multimedia description file on the basis of a piece of information representing a quality of delivery, delivering a modified multimedia description file; and transmitting the modified multimedia description file to the user terminal.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: May 12, 2020
    Assignees: ORANGE, UNIVERSITE DE RENNES 1
    Inventors: Yue Li, Philippe Bertin, Yassine Hadjadjaoul
  • Patent number: 10631382
    Abstract: The invention relates to a lighting device (LIGHT) of a graphic and/or textual content represented on any support and in particular of the paper type, characterized in that a light beam generated in a visible light spectrum is activated and periodically deactivated from the lighting device (LIGHT) according to successive cycles operated at a predetermined frequency (Fd) and in that the successive illumination periods each have a duration (T1) within a range of values from 15 to 30% of the duration (T) of the operated cycles.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: April 21, 2020
    Assignee: UNIVERSITÉ DE RENNES 1
    Inventors: Albert Le Floch, Guy Ropars