Patents Assigned to Ecole Centrale de Marseille
  • Patent number: 11428924
    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: Grant
    Filed: April 4, 2017
    Date of Patent: August 30, 2022
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRS, Ecole Centrale de Marseille (ECM), Université d'Aix-Marseille (AMU)
    Inventors: Hervé Rigneault, Esben Ravn Andresen, Siddarth Sivankutty
  • Publication number: 20220266505
    Abstract: The method for manufacturing a three-dimensional object or for modifying the surface state of a preformed object by local polymerisation of monomers or oligomers, the polymerisation being initiated by mono-photon or multi-photon absorption in an area to be polymerised, includes: —introducing into a vessel with light-transparent walls a reaction medium comprising polymerisable monomers or oligomers, a polymerisation inhibitor, an indicator of the amount of the inhibitor and a photochemical polymerisation initiator; —initiating the polymerisation of the monomers or oligomers; —indicating the amount of inhibitor present in the reaction medium; —controlling the amount of light emitted by the irradiation system relative to the amount of inhibitor indicated by the indicator; and —switching to a following zone to be polymerised by moving the object and/or the focused light beam.
    Type: Application
    Filed: July 22, 2020
    Publication date: August 25, 2022
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITE D'AIX-MARSEILLE (AMU), ECOLE CENTRALE DE MARSEILLE
    Inventors: Claude Amra, Jean-Claude André, Laurent Gallais-During, Myriam Zerrad
  • Publication number: 20220146710
    Abstract: A method for manufacturing an optical metasurface is configured to operate in a given working spectral band. The method comprises: obtaining a 2D array of patterns, each comprising one or more nanostructures forming dielectric elements that are resonant in said working spectral band, said nanostructures being formed in at least one photosensitive dielectric medium; exposing said 2D array to a writing electromagnetic wave having at least one wavelength in said photosensitivity spectral band, said writing wave having a spatial energy distribution in a plane of the 2D array that is a function of an intended phase profile, so that each pattern of the 2D array produces on an incident electromagnetic wave having a wavelength in the working spectral band, a phase variation corresponding to a refractive index variation experienced by said pattern during said exposure.
    Type: Application
    Filed: February 14, 2020
    Publication date: May 12, 2022
    Applicants: Université D'Aix-Marseille, Centre National de la Recherche Scientifique, Ecole Centrale de Marseille, Multiwave Innovation
    Inventors: Elena Mikheeva, Redha Abdeddaim, Stefan Enoch, Julien Lumeau, Ivan Voznyuk, Tryfon Antonakakis
  • Patent number: 11311848
    Abstract: A bladeless mixer for mixing a liquid, includes a cylindrical or truncated cone-shaped receptacle having an axis A and a radius R, the radius R being the shortest distance between the axis A and a side wall of the receptacle, the liquid to be mixed being placed in the receptacle and having an exposed surface at a height H measured along axis A; a member for tilting the receptacle such that axis A forms a non-zero-degree angle of up to 30° relative to the vertical direction; a member for imparting a rotational movement to the receptacle along axis A at an angular speed of rotation ?; wherein the aspect ratio H/R of the height H to the radius R and the angular speed of rotation ? are selected such that an inherent mode of inertia of the liquid has an unstable resonance when the receptacle is tilted and rotates.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: April 26, 2022
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITE DAIX MARSEILLE, ECOLE CENTRALE DE MARSEILLE
    Inventors: Patrice Meunier, Richard Manasseh
  • Patent number: 11278733
    Abstract: This magnetic emission device includes an antenna and further includes a device configured 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: Grant
    Filed: April 16, 2019
    Date of Patent: March 22, 2022
    Assignees: 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
  • Patent number: 11283304
    Abstract: A rectenna device (400) for converting incident light to electrical energy is disclosed. The rectenna device comprises a substrate (402), a first metallic layer (404) having a predefined thickness deposited on top of the substrate, a rectifying element (405) deposited on top of the first metallic layer, a second metallic layer (408) deposited on top of said rectifying element and configured to collect electromagnetic waves of the incident light and to couple it into plasmonic waves within the rectenna device, the second metallic layer comprising an array of a plurality of metallic patches (410) spaced from each other according to a predefined spacing, each metallic patch having predefined dimensions.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: March 22, 2022
    Assignees: UNIVERSITE D'AIX-MARSEILLE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, ECOLE CENTRALE DE MARSEILLE, UNIVERSITE DE TOULON
    Inventors: David Duche, Ludovic Escoubas, Ujwol Palanchoke, Jean-Jacques Simon, Teodor Silvius Balaban
  • Publication number: 20220009269
    Abstract: The present invention particularly relates to a method for physical vacuum deposition of a coating (R) comprising at least one material (M) on at least a portion of a front face (10) of a support (1), said at least one material (M) originating from an evaporation source or an atomisation source (2), wherein:—use is made of a support (1), at least a portion of the front face (10) of which is smooth, that is to say, does not have any roughness and/or reliefs and/or recesses;—said vacuum deposition is carried out while varying the thickness distribution of the material (M) on said front face (10), that is, while progressively varying the thickness deposited, from a central region (11) in the direction of at least one lateral region (12) contiguous to the central region (11), without modifying the position of the evaporation source or atomisation source (2) of the material particles (M).
    Type: Application
    Filed: November 28, 2019
    Publication date: January 13, 2022
    Applicants: OBERTHUR FIDUCIAIRE SAS, Centre National de la Recherche Scientifique (CNRS), ECOLE CENTRALE DE MARSEILLE, Universite D'Aix Marseille
    Inventors: Julien Lumeau, Fabien Lemarchand, Antonin Moreau, Thomas Begou, Julien Gillot, Xavier Borde
  • Publication number: 20210381985
    Abstract: According to one aspect, the present description relates to a device for detecting an SRS resonant non-linear optical signal induced in a sample. The device comprises a light source configured for emitting a first train of pump pulses at a first angular frequency and a second train of Stokes pulses at a Stokes second angular frequency, and first and second amplitude modulators configured to amplitude modulate the train of pump pulses at a first modulation frequency and the train of Stokes pulses at a second modulation frequency different from the first modulation frequency, respectively.
    Type: Application
    Filed: June 4, 2021
    Publication date: December 9, 2021
    Applicants: LIGHTCORE TECHNOLOGIES, Centre National de la Recherche Scientifique, UNIVERSITÉ D'AIX MARSEILLE, Ecole Centrale de Marseille
    Inventors: Hervé Rigneault, Sandro Heuke
  • Publication number: 20210382290
    Abstract: According to one aspect, the invention relates to a device (200) for transporting and controlling light beams comprising a light guide (40) comprising a bundle (50) of uncoupled single-mode optical fibers (Fi), each single-mode optical fiber (Fi) being intended to receive an elementary light beam (B1i) at a proximal end and to emit a light beam (B2i) at a distal end, said bundle of single-mode optical fibers comprising, in operation, a minimum radius of curvature corresponding to a maximum curvature of the bundle of fibers.
    Type: Application
    Filed: September 10, 2019
    Publication date: December 9, 2021
    Applicants: Centre National de la Recherche Scientifique, Université d'Aix-Marseille, Université de Lille, Ecole Centrale de Marseille
    Inventors: Hervé Rigneault, Géraud Bouwmans, Esben Andresen, Siddarth Sivankutty, Viktor Tsvirkun, Olivier Vanvincq
  • 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