Patents Assigned to Ecole Centrale de Marseille
  • Publication number: 20210093881
    Abstract: This magnetic emission device includes an antenna and further includes means designed to select one of a plurality of predefined portions of the antenna and to connect the selected portion to a current-generating device in order both to cause the current to pass through the selected portion of the antenna so as to radiate a magnetic field, and to prevent the current from passing outside of the selected portion of the antenna.
    Type: Application
    Filed: April 16, 2019
    Publication date: April 1, 2021
    Applicants: Université d'Aix Marseille, Centre National de la Recherche Scientifique, Ecole Centrale de Marseille, Assistance Publique - Hôpitaux de Marseille, Multiwave Technologies AG
    Inventors: Stefan ENOCH, Redha ABDEDDAIM, Éric, Émile, David GUEDJ, Raphaëlle Richieri LE ROUZIC, Megdouda BENAMARA, Marie Coralie BULTOT, Michael KEFEDER, Tryfon ANTONAKAKIS, Elodie GEORGET-PARIS, Fouad FEZARI
  • Publication number: 20210063511
    Abstract: The invention relates to a material for use as a pad in high field and/or very high field magnetic resonance imaging instrument, comprising at least one polar solvent having a melting point of 14° C. to 50° C., a dispersant and a dielectric charge. The invention relates also to a pad used in field of high field and/or very high field magnetic resonance imaging made of at least such a material.
    Type: Application
    Filed: March 27, 2019
    Publication date: March 4, 2021
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, ECOLE CENTRALE DE MARSEILLE, UNIVERSITE D'AIX-MARSEILLE (AMU)
    Inventors: Abdeddaim Redha, Anne-Lise Adenot-Engelvin, Marc Dubois, Stefan Enoch, Nicolas Mallejac, Zo Raolison, Pierre Sabouroux, Alexandre Vignaud
  • Publication number: 20210018744
    Abstract: According to one aspect, the invention relates to a device for transporting and controlling light beams for endo-microscopic imaging without a lens on the distal side comprising a single-mode optical fibre bundle (40) on the distal side, wherein each single-mode optical fibre is intended to receive an elementary light source and to emit a light beam at a distal end; a single-mode optical fibre section (50) arranged at the distal end of the optical fibre bundle and intended to receive the light beams emitted by the single-mode optical fibres of the optical fibre bundle; an optical phase control device arranged on the side of the proximal end of the single-mode optical fibres.
    Type: Application
    Filed: April 4, 2017
    Publication date: January 21, 2021
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS, Universite d'Aix-Marseille (AMU), Ecole Centrale de Marseille (ECM)
    Inventors: Hervé Rigneault, Esben Ravn Andresen, Siddarth Sivankutty
  • Patent number: 10816620
    Abstract: A method for controlling the distribution of the RF magnetic field in a magnetic resonance imaging system, having steps of: placing a cage coil in a permanent magnet supplying a permanent magnetic field along a first axis, and supplying an RF signal to the cage coil in order for the coil to generate an RF magnetic field rotating in a plane that runs perpendicular to the first axis; and putting in place an electromagnetic resonator, the resonance mode of which is excited by the rotating magnetic field, the resonator being placed in a position inside or outside the cage coil and at a distance from a region to be analyzed of an object to be placed in the cage coil, the resonance mode and the position of the resonator in relation to the volumetric antenna being suitable for adjusting the intensity of the rotating magnetic field in an area of the region to be analyzed.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: October 27, 2020
    Assignees: UNIVERSITE D'AIX-MARSEILLE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, ECOLE CENTRALE DE MARSEILLE, COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Redha Abdeddaim, Stefan Enoch, Pierre Sabouroux, Gérard Henri Jacques Tayeb, Nicolas Bonod, Alexandre Christian Vignaud, Benoit Larrat, Elodie Virginia Emilia Georget, Lisa Marie Anna Leroi
  • Publication number: 20200224022
    Abstract: A solid organic material comprising at least one amphiphilic block copolymer of the methacrylic type, the block copolymer being dispersed in a polymer matrix, the block copolymer having a number-average molar mass (Mn) greater than or equal to 20 000 g/mol; a method for preparing said solid organic material; use of said solid organic material for antibacterial, antimicrobial, antiviral, anti-inflammatory and/or antifungal applications; a medical device comprising said solid organic material.
    Type: Application
    Filed: July 6, 2018
    Publication date: July 16, 2020
    Applicants: Centre National de la Recherche Scientifique, UNIVERSITÉ D'AIX MARSEILLE, Ecole Centrale de Marseille
    Inventors: Didier Gigmes, Yohann Guillaneuf, Catherine Guillaneuf, Marc René Sauveur Maresca, Cédric Ysacco
  • Patent number: 10571449
    Abstract: The invention relates to a method suitable for detecting, capturing and/or selectively releasing chemical elements selected from poor metals, alkalines, alkaline earths, actinides and rare earths. Said method involves a molecular assembly formed by at least one amine, and at least one aldehyde and/or an imine and/or CO2, or an adduct formed by the contact between an amine and CO2, and at least one of said chemical elements. The invention also relates to a kit for implementing said method for detection, capture and/or release.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: February 25, 2020
    Assignees: UNIVERSITE D'AIX-MARSEILLE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, ECOLE CENTRALE DE MARSEILLE, UNIVERSITE CLAUDE BERNARD LYON 1 (UCBL)
    Inventors: Julien Leclaire, Gabriel Canard, Frédéric Fotiadu, Guillaume Poisson
  • Patent number: 10545109
    Abstract: A portable device includes first and second connectors capable of guiding an electromagnetic wave, a sample carrier installed between the first premier and second connectors and including a cavity housing a sample, an electronic module including an electromagnetic wave generator, and a processing system capable of analysing the electromagnetic wave exiting the second connector in order to deliver a first dielectric permittivity measurement and/or a second magnetic permeability measurement, a computer device including a control system capable of controlling the operation of the electronic module and of recovering each first or second measurement, and a portable container housing the first and second connectors, the sample carrier, the electronic module and the computer device.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: January 28, 2020
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITE D'AIX MARSEILLE, ECOLE CENTRALE DE MARSEILLE
    Inventor: Pierre Sabouroux
  • Patent number: 10538848
    Abstract: The invention concerns a method for controlling at least one gas bubble produced in a localised manner in a medium (3?) allowing the movement of said at least one gas bubble, characterised in that it comprises a step consisting of generating at least one ultrasound burst towards said at least one gas bubble, said at least one burst being emitted for a burst duration at least partially covering a duration during which said gas is effectively being produced.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: January 21, 2020
    Assignees: Centre National de la Recherche Scientifique, Ecole Centrale de Marseille, Universite d'Aix Marseille
    Inventors: Younes Achaoui, Serge Mensah, Zoubida Hammadi, Roger Claude Marcel Morin, Eric Debieu, Cédric Alain François Marie Payan
  • Patent number: 10522128
    Abstract: An attenuation device for attenuating sound waves, and a corresponding system and method, generated by a source emitting sound waves having frequencies between f1 and f2 and wherein the pressure levels are between n1 and n2. The attenuation device comprising at least one acoustic absorber comprising at least one non-linear membrane; the attenuation device being configured in such a way that the first face of the absorber is in acoustic communication with the source. The attenuation device also comprises at least one coupling element for coupling the second face with the source, the coupling element being configured to transmit to the second face sound waves according to the sound waves emitted by the source, and of which the phase and/or the amplitude leads to a pressure differential of the sound waves arriving respectively on the first and second face at the same time.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: December 31, 2019
    Assignees: UNIVERSITE D'AIX-MARSEILLE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIF, ECOLE CENTRALE DE MARSEILLE
    Inventors: Sergio Bellizzi, Bruno Cochelin, Renaud Cote, Philippe Martin Herzog, Pierre-Olivier Mattei, Marc Pachebat, Cedric Pinhede
  • Patent number: 10494587
    Abstract: The invention relates to a continuous process for fractionating a suspension chosen from a microalgal biomass or milk.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: December 3, 2019
    Assignees: Centre National de la Recherche Scientifique, Universite d'Aix Marseille, Ecole Centrale de Marseille
    Inventors: Elisabeth Badens, Christelle Crampon
  • Patent number: 10481420
    Abstract: In the field of photonic and opto-electronic components, an optical filter comprises a plurality of semi-conducting nano-/microparticles, exhibiting properties of electromagnetic resonance in the optical and near-infrared domain, arranged on a plane, characterized in that it furthermore comprises a layer with electrically adjustable optical index disposed on the surface formed by said nano-/microparticles and said plane; a first electrically insulating layer disposed on said layer with electrically adjustable optical index and an electrode disposed on said first electrically insulating layer.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: November 19, 2019
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITÉ D'AIX-MARSEILLE, ECOLE CENTRALE DE MARSEILLE
    Inventors: Nicolas Bonod, Marco Abbarchi, Thomas Michael Wood
  • Publication number: 20190270949
    Abstract: The invention relates to a continuous process for fractionating a suspension chosen from a microalgal biomass or milk.
    Type: Application
    Filed: June 28, 2017
    Publication date: September 5, 2019
    Applicants: Universite d'Aix-Marseille, Centre National de la Recherche Scientifique, Ecole Centrale de Marseille
    Inventors: Elisabeth Badens, Christelle Crampon
  • Patent number: 10307064
    Abstract: A method for locating at least one target, in an electromagnetically absorbent environment, includes: emitting at least one electromagnetic excitation signal from a source; receiving, by an acoustic sensor, an acoustic signal from emission of the excitation signal; detecting, in the received acoustic signal, a first time of receipt of a first response to the excitation signal from an acoustic disturbance caused by electromagnetic heterogeneity of the target in the environment; estimating a first distance between the target and the acoustic sensor using the first time of receipt; detecting, in the same received acoustic signal, a second time of receipt of a second response to the excitation signal from an acoustic disturbance caused by acoustic heterogeneity of the target in the environment; estimating a second distance between the source and target using the second time of receipt; obtaining a location of the target from the first and second estimated distances.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: June 4, 2019
    Assignees: Centre National de la Recherche Scientifique, Ecole Centrale de Marseille, Universite d'Aix Marseille
    Inventors: Anabela Da Silva, Serge Mensah
  • Publication number: 20190120917
    Abstract: A method for controlling the distribution of the RF magnetic field in a magnetic resonance imaging system, having steps of: placing a cage coil in a permanent magnet supplying a permanent magnetic field along a first axis, and supplying an RF signal to the cage coil in order for the coil to generate an RF magnetic field rotating in a plane that runs perpendicular to the first axis; and putting in place an electromagnetic resonator, the resonance mode of which is excited by the rotating magnetic field, the resonator being placed in a position inside or outside the cage coil and at a distance from a region to be analyzed of an object to be placed in the cage coil, the resonance mode and the position of the resonator in relation to the volumetric antenna being suitable for adjusting the intensity of the rotating magnetic field in an area of the region to be analyzed.
    Type: Application
    Filed: March 29, 2017
    Publication date: April 25, 2019
    Applicants: UNIVERSITÉ D'AIX-MARSEILLE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, ECOLE CENTRALE DE MARSEILLE, COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Redha ABDEDDAIM, Stefan ENOCH, Pierre SABOUROUX, Gérard Henri Jacques TAYEB, Nicolas BONOD, Alexandre Christian VIGNAUD, Benoit LARRAT, Elodie Virginia Emilia GEORGET, Lisa Marie Anna LEROI
  • Publication number: 20190028641
    Abstract: According to one aspect, the present description relates to a system for high resolution imaging of an object comprising a fiber bundle (1) comprising an array of optical fiber cores (A), said fiber bundle being adapted to receive a plurality of light beams issued from spatially incoherent point sources of an object; the system further comprises a two-dimensional detector (240) with a detection plane, located at a proximal end of the fiber bundle, adapted to receive speckle patterns, each speckle pattern resulting from the transmission of one of said light beams through at least a plurality of the fiber bundle cores, the ensemble of speckle patterns detected by the two-dimensional detector forming a multiple speckles image; and a processing unit (250) adapted to determine an image of the object from said multiple speckles image.
    Type: Application
    Filed: December 17, 2015
    Publication date: January 24, 2019
    Applicants: Université d'Aix-Marseille, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNR S, Ecole Centrale de Marseille (ECM), Weizmann Institute of Science (WIS)
    Inventors: Hervé Rigneault, Esben Andresen, Amir Porat, Dan Oron, Ori Katz, Sylvain Gigan
  • Patent number: 10144192
    Abstract: A tape having a fully wound stable state and a fully unwound stable state, configured for space applications, the intermediate states between the fully wound state and the fully unwound state comprises a single continuous portion of wound tape with a first radius of curvature greater than a threshold value and a single continuous portion of unwound tape with a second radius of curvature less than the threshold value, the value of the second radius of curvature being continuous over the unwound portio; the tape comprises a stack comprising fibrous layers extending in a longitudinal direction, the resulting stack having symmetry with respect to a longitudinal plane of its fibres to compensate for torsional deformations generated by variations in temperature.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: December 4, 2018
    Assignees: THALES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, L'ECOLE CENTRALE DE MARSEILLE
    Inventors: François Guinot, Stéphane Vezain, Didier Stanek, Yannick Baudasse, Stéphane Bourgeois, Pernelle Marone-Hitz
  • Publication number: 20170249933
    Abstract: An attenuation device for attenuating sound waves, and a corresponding system and method, generated by a source emitting sound waves having frequencies between f1 and f2 and wherein the pressure levels are between n1 and n2. The attenuation device comprising at least one acoustic absorber comprising at least one non-linear membrane; the attenuation device being configured in such a way that the first face of the absorber is in acoustic communication with the source. The attenuation device also comprises at least one coupling element for coupling the second face with the source, the coupling element being configured to transmit to the second face sound waves according to the sound waves emitted by the source, and of which the phase and/or the amplitude leads to a pressure differential of the sound waves arriving respectively on the first and second face at the same time.
    Type: Application
    Filed: July 9, 2015
    Publication date: August 31, 2017
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE D'AIX-MARSEILLE, ECOLE CENTRALE DE MARSEILLE
    Inventors: Sergio BELLIZZI, Bruno COCHELIN, Renaud COTE, Philippe Martin HERZOG, Pierre-Olivier MATTEI, Marc PACHEBAT, Cedric PINHEDE
  • Publication number: 20160058296
    Abstract: A method for locating at least one target, in an electromagnetically absorbent environment, includes: emitting at least one electromagnetic excitation signal from a source; receiving, by an acoustic sensor, an acoustic signal from emission of the excitation signal; detecting, in the received acoustic signal, a first time of receipt of a first response to the excitation signal from an acoustic disturbance caused by electromagnetic heterogeneity of the target in the environment; estimating a first distance between the target and the acoustic sensor using the first time of receipt; detecting, in the same received acoustic signal, a second time of receipt of a second response to the excitation signal from an acoustic disturbance caused by acoustic heterogeneity of the target in the environment; estimating a second distance between the source and target using the second time of receipt; obtaining a location of the target from the first and second estimated distances.
    Type: Application
    Filed: March 24, 2014
    Publication date: March 3, 2016
    Applicants: Centre National de la Recherche Scientifique, Ecole Centrale de Marseille, Universite d'Aix Marseille
    Inventors: Anabela DA SILVA, Serge MENSAH