Patents by Inventor Mathias Fink
Mathias Fink 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: 20240032889Abstract: Method for non-invasively characterizing a heterogeneous medium using ultrasound, comprising a step of generating a series of incident ultrasonic waves, a step of recording an experimental reflection matrix Rui(t) defined between the input emission basis (i) and an output reception basis (u), a step of determining a response REP(r, ?r) of the medium between an input virtual transducer (TVin) calculated based on an input focusing of the experimental reflection matrix that creates an input focal spot around a first point (P1), and an output virtual transducer (TVout) calculated based on an output focusing of the experimental reflection matrix that creates an output focal spot around a second point (P2), said response being expressed as a function of a central point (PC) of spatial position (r) in the medium located midway between the first and second points (P1, P2).Type: ApplicationFiled: July 31, 2020Publication date: February 1, 2024Applicants: SUPERSONIC IMAGINE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS, Ecole Supérieure de Physique et de Chimie Industrielles de la Ville de ParisInventors: William LAMBERT, Alexandre AUBRY, Mathias FINK, Laura COBUS
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Publication number: 20240036004Abstract: Method for ultrasonic characterization of a medium, comprising a step of generating a series of incident ultrasonic waves, a step of generating an experimental reflection matrix Rui(t) defined between the emission basis (i) as input and a reception basis (u) as output, a step of determining a focused reflection matrix RFoc(rin, rout, ?t) of the medium between an input virtual transducer (TVin) calculated based on a focusing as input to the experimental reflection matrix and an output virtual transducer (TVout) calculated based on a focusing as output from the experimental reflection matrix, the responses of the output virtual transducer (TVout) being obtained at a time instant that is shifted by an additional delay ?t relative to a time instant of the responses of the input virtual transducer (TVin).Type: ApplicationFiled: September 14, 2021Publication date: February 1, 2024Inventors: William LAMBERT, Alexandre AUBRY, Mathias FINK, Thomas FRAPPART
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Patent number: 11784732Abstract: A wave shaping device which comprises a tunable impedance surface and a controller connected to the surface in order to control its impedance. The shaping device further comprises a transmission module for receiving a pilot signal used to control the impedance of the surface.Type: GrantFiled: January 10, 2022Date of Patent: October 10, 2023Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRS, UNIVERSITÉ PARIS CITÉInventors: Mathias Fink, Geoffroy Lerosey, Matthieu Dupre, Nadége Kaina
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Patent number: 11776526Abstract: Method and system for ultrasonic characterization of a medium Method for ultrasonic characterization of a medium, comprising generating a series of incident ultrasonic waves, generating an experimental reflection matrix Rui(t) defined between the emission basis (i) as input and a reception basis (u) as output, determining a focused reflection matrix RFoc(rin, rout, at) of the medium between an input virtual transducer (Win) calculated based on a focusing as input to the experimental reflection matrix and an output virtual transducer (TVout) calculated based on a focusing as output from the experimental reflection matrix, the responses of the output virtual transducer (TVout) being obtained at a time instant that is shifted by an additional delay 6t relative to a time instant of the responses of the input virtual transducer (TVin).Type: GrantFiled: September 13, 2021Date of Patent: October 3, 2023Assignees: SUPERSONIC IMAGINE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRS, Ecole Supérieure de Physique et de Chimie Industrielles de la Ville de ParisInventors: William Lambert, Thomas Frappart, Alexandre Aubry, Mathias Fink
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Patent number: 11768181Abstract: Method for ultrasonic characterization of a medium, comprising generating a series of incident ultrasonic waves, generating an experimental reflection matrix Rui(t) defined between the emission basis (i) as input and a reception basis (u) as output, and determining a focused reflection matrix RFoc(rin, rout, ?t) of the medium between an input virtual transducer (TVin) calculated based on a focusing as input to the experimental reflection matrix and an output virtual transducer (TVout) calculated based on a focusing as output from the experimental reflection matrix, the responses of the output virtual transducer (TVout) being obtained at a time instant that is shifted by an additional delay ?t relative to a time instant of the responses of the input virtual transducer (TVin).Type: GrantFiled: September 13, 2021Date of Patent: September 26, 2023Assignees: SUPERSONIC IMAGINE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRS, Ecole Supérieure de Physique et de Chimie Industrielles de la Ville de ParisInventors: William Lambert, Alexandre Aubry, Mathias Fink, Thomas Frappart
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Patent number: 11766242Abstract: A method for mapping fibrous media by propagation of ultrasound from a set transducers, wherein: a number of unfocused incident ultrasonic waves having different wavefronts are emitted; the signals reverberated by the medium toward each transducer are captured; coherent signals respectively corresponding, for each transducer, to contributions coming from different fictitious focal points in the medium are determined; and then the orientation of the fibers is determined by comparing a spatial coherence between said coherent signals, in a plurality of directions.Type: GrantFiled: July 16, 2014Date of Patent: September 26, 2023Assignee: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)Inventors: Mickaël Tanter, Mathias Fink, Mathieu Pernot, Clément Papadacci
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Patent number: 11761928Abstract: Method for ultrasonic characterization of a medium, comprising generating a series of incident ultrasonic waves, generating an experimental reflection matrix Rui(t) defined between the emission basis (i) as input and a reception basis (u) as output, and determining a focused reflection matrix RFoc(rin, rout, ?t) of the medium between an input virtual transducer (TVin) calculated based on a focusing as input to the experimental reflection matrix and an output virtual transducer (TVout) calculated based on a focusing as output from the experimental reflection matrix, the responses of the output virtual transducer (TVout) being obtained at a time instant that is shifted by an additional delay ?t relative to a time instant of the responses of the input virtual transducer (TVin).Type: GrantFiled: September 13, 2021Date of Patent: September 19, 2023Assignees: Supersonic Imagine, Centre National de la Recherche Scientifique—CNRS, Ecole Supérieure de Physique et de Chimie Industrielles de la Ville de ParisInventors: William Lambert, Alexandre Aubry, Thomas Frappart, Flavien Bureau, Mathias Fink
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Publication number: 20230118674Abstract: Masking film stacks, kits composed of said film stacks, adhesive tapes, and covering tapes, and methods for producing said stacks and kits are provided. The masking film stacks comprise masking films having widths and lengths, wherein the masking films are foldable along folding lines, running along the lengths, to form double-ply-folded masking films such that two free longitudinal edges of the double-ply-folded masking films run adjacent to each another and the double-ply masking films are foldable to form stacks and the two longitudinal edges lie on the masking film stacks.Type: ApplicationFiled: March 26, 2021Publication date: April 20, 2023Applicant: TESA SEInventors: Mathias FINK, Tim SIMON, Jennifer BÖHM
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Patent number: 11509045Abstract: A body part for a motorized land vehicle is provided. The body part includes at least one wall made of a plastic material and including at least one housing forming a cavity for electromagnetic waves, said housing includes: at least one transceiver for transmitting and/or receiving an electromagnetic wave in said housing; at least one adaptable surface capable of reflecting the electromagnetic wave transmitted by the transceiver in a given direction (in a controlled manner) and, conversely, capable of reflecting the electromagnetic wave coming from the exterior of the housing toward the transceiver.Type: GrantFiled: August 23, 2019Date of Patent: November 22, 2022Assignees: ECOLE SUPÉRIEURE DE PHYSIQUE ET DE CHIMIE INDUSTRIELLES DE LA VILLE DE PARIS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, COMPAGNIE PLASTIC OMNIUM, GREENERWAVE SASInventors: Ronan Stephan, Mathieu Bancelin, Mathias Fink, Geoffroy Lerosey, Nicolas Etaix
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Publication number: 20220329377Abstract: A communication network includes an access point, a control unit in communication with the access point, a wave shaping device in communication with the control unit, and a wireless communication device. The control unit determines parameters of the wave shaping device, the parameters being search parameters if the control unit does not receive a pilot signal, and optimization parameters if the control unit receives a pilot signal.Type: ApplicationFiled: March 3, 2022Publication date: October 13, 2022Inventors: Geoffroy LEROSEY, Mathias FINK, Fabrice LEMOULT, Alexandre AUBRY, Timmy FLOUME
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Patent number: 11408723Abstract: The present invention relates to a method for the non-invasive optical characterization of a heterogeneous medium, comprising: a step of illuminating, by means of a series of incident light waves, a given field of view of the heterogeneous medium, positioned in a focal plane of a microscope objective (30); a step of determining a first distortion matrix (Dur, Drr) in an observation basis defined between a conjugate plane of the focal plane (FP) and an observation plane, said first distortion matrix corresponding, in a correction basis defined between a conjugate plane of the focal plane and an aberration correction plane, to the term-by-term matrix product of a first reflection matrix (Rur) of the field of view, determined in the correction basis, with the phase conjugate matrix of a reference reflection matrix, defined for a model medium, in said correction basis; and a step of determining, from the first distortion matrix, at least one mapping of a physical parameter of the heterogeneous medium.Type: GrantFiled: July 16, 2019Date of Patent: August 9, 2022Assignees: Centre National de la Recherche Scientifique, ECOLE SUPÉRIEURE DE PHYSIQUE ET DE CHIMIE INDUSTRIELLES DE LA VILLE DE PARISInventors: Alexandre Aubry, Amaury Badon, Victor Barolle, Claude Boccara, Laura Cobus, Mathias Fink, William Lambert
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Patent number: 11399804Abstract: A method for characterizing an anisotropic soft medium (C) including fibers and having an outer surface (1), by observing in different propagation directions, the propagation of a divergent shear wave from a central area (10) in the anisotropic soft medium. A propagation parameter of the shear wave is inferred therefrom in each of the propagation directions, and then a direction of the fibers of the anisotropic soft medium, a rheological elasticity parameter are determined in a direction perpendicular to the fibers and a rheological elasticity parameter in the direction of the fibers.Type: GrantFiled: January 12, 2015Date of Patent: August 2, 2022Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE (INSERM), ECOLE SUPRERIEURE DE PHYSIQUE ET DE CHIMIE INDUSTRIELLES DE LA VILLE DE PARIS, UNIVERSITÉ PARIS DIDEROT—PARIS 7Inventors: Mickaël Tanter, Mathieu Pernot, Mathias Fink, Jean-Luc Gennisson
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Patent number: 11405117Abstract: Method for determining a characteristic of detection and/or identity information and/or location information of a receiver, wherein: a) a primary wave is emitted by an antenna, b) adjustable elements are controlled with a plurality of sets of parameters, to modify the propagation of a primary wave and/or of a secondary wave coming from the receiver, and c) signals received by the antenna are saved, and d) the characteristic of the receiver in the medium is determined based on the signals received for each set of parameters.Type: GrantFiled: May 24, 2019Date of Patent: August 2, 2022Assignees: GREENERWAVE, CENTRE NATIONAL DE LE RECHERCHE SCIENTIFIQUE—CNRS, ECOLE SUPERIEURE DE PHYSIQUE ET DE CHIMIE INDUSTRIELLES DE LA VILLE DE PARISInventors: Geoffroy Lerosey, Philipp Del Hougne, Mathias Fink, Alexandre Aubry
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Patent number: 11346819Abstract: In a first aspect, the present description relates to a system for non-invasively characterizing a heterogeneous medium using ultrasound, comprising at least one first array (10) of transducers configured to generate a series of incident ultrasound waves in a region of said heterogeneous medium and record the ultrasound waves which are backscattered by said region as a function of time, as well as a computing unit (42) which is coupled to said at least one first array of transducers and configured to: record an experimental reflection matrix defined between an emission basis at the input and the basis of the transducers at the output; determine, from said experimental reflection matrix, at least one first wideband reflection matrix defined in a focused base at the input and output; determine a first distortion matrix defined between said focused basis and an observation basis, said first distortion matrix resulting, directly or after a change of basis, from the term-by-term matrix product of said first widebaType: GrantFiled: July 16, 2019Date of Patent: May 31, 2022Assignees: Centre National de la Recherche Scientifique, ECOLE SUPÉRIEURE DE PHYSIQUE ET DE CHIMIE INDUSTRIELLES DE LA VILLE DE PARISInventors: Alexandre Aubry, Amaury Badon, Victor Barolle, Claude Boccara, Laura Cobus, Mathias Fink, William Lambert
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Patent number: 11329388Abstract: Antenna for transmitting and/or receiving an electromagnetic wave, including a radiating element, a tunable surface of variable impedance, and a controller connected to the tunable surface and which controls it based on a desired direction of the electromagnetic wave. The radiating element and the tunable surface are integrated inside a housing, the housing forming a cavity for the waves and including an opening for the electromagnetic wave to be transmitted to the outside.Type: GrantFiled: August 23, 2019Date of Patent: May 10, 2022Assignees: GREENERWAVE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRS, ECOLE SUPÉRIEURE DE PHYSIQUE ET DE CHIMIE INDUSTRIELLES DE LA VILLE DE PARISInventors: Geoffroy Lerosey, Mathias Fink, Philipp Del Hougne, Jean-Baptiste Gros
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Publication number: 20220131624Abstract: A wave shaping device which comprises a tunable impedance surface and a controller connected to the surface in order to control its impedance. The shaping device further comprises a transmission module for receiving a pilot signal used to control the impedance of the surface.Type: ApplicationFiled: January 10, 2022Publication date: April 28, 2022Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS, UNIVERSITE PARIS DIDEROT - PARIS 7Inventors: Mathias Fink, Geoffroy Lerosey, Matthieu Dupre, Nadége Kaina
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Patent number: 11290231Abstract: A communication network includes an access point, a control unit in communication with the access point, a wave shaping device in communication with the control unit, and a wireless communication device. The control unit determines parameters of the wave shaping device, the parameters being search parameters if the control unit does not receive a pilot signal, and optimization parameters if the control unit receives a pilot signal.Type: GrantFiled: July 12, 2018Date of Patent: March 29, 2022Assignees: GREENERWAVE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRS, ECOLE SUPRÉRIEURE DE PHYSIQUE ET DE CHIMIE INDUSTRIELLES DE LA VILLE DE PARISInventors: Geoffroy Lerosey, Mathias Fink, Fabrice Lemoult, Alexandre Aubry, Timmy Floume
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Publication number: 20220082693Abstract: Method for ultrasonic characterization of a medium, including generating a series of incident ultrasonic waves, generating an experimental reflection matrix Rui(t) defined between the emission basis (i) as input and a reception basis (u) as output, and determining a focused reflection matrix RFoc(rin, rout, ?t) of the medium between an input virtual transducer (TVin) calculated based on a focusing as input to the experimental reflection matrix and an output virtual transducer (TVout) calculated based on a focusing as output from the experimental reflection matrix, the responses of the output virtual transducer (TVout) being obtained at a time instant that is shifted by an additional delay Ot relative to a time instant of the responses of the input virtual transducer (TVin).Type: ApplicationFiled: September 13, 2021Publication date: March 17, 2022Inventors: William LAMBERT, Alexandre AUBRY, Mathias FINK, Thomas FRAPPART
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Publication number: 20220082529Abstract: Method for ultrasonic characterization of a medium, comprising generating a series of incident ultrasonic waves, generating an experimental reflection matrix Rui(t) defined between the emission basis (i) as input and a reception basis (u) as output, and determining a focused reflection matrix RFoc(rin, rout, ?t) of the medium between an input virtual transducer (TVin) calculated based on a focusing as input to the experimental reflection matrix and an output virtual transducer (TVout) calculated based on a focusing as output from the experimental reflection matrix, the responses of the output virtual transducer (TVout) being obtained at a time instant that is shifted by an additional delay ?t relative to a time instant of the responses of the input virtual transducer (TVin).Type: ApplicationFiled: September 13, 2021Publication date: March 17, 2022Inventors: William LAMBERT, Alexandre AUBRY, Mathias FINK, Thomas FRAPPART
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Publication number: 20220082527Abstract: Method for ultrasonic characterization of a medium, comprising generating a series of incident ultrasonic waves, generating an experimental reflection matrix Rui(t) defined between the emission basis (i) as input and a reception basis (u) as output, and determining a focused reflection matrix RFoc(rin, rout, ?t) of the medium between an input virtual transducer (TVin) calculated based on a focusing as input to the experimental reflection matrix and an output virtual transducer (TVout) calculated based on a focusing as output from the experimental reflection matrix, the responses of the output virtual transducer (TVout) being obtained at a time instant that is shifted by an additional delay ?t relative to a time instant of the responses of the input virtual transducer (TVin).Type: ApplicationFiled: September 13, 2021Publication date: March 17, 2022Inventors: William LAMBERT, Alexandre AUBRY, Thomas FRAPPART, Flavien BUREAU, Mathias FINK