Patents Assigned to Commissariat à l'Energie Atomique et aux Energies Alternatives
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Publication number: 20240151825Abstract: The invention relates to a device for converting a photonic signal to be analyzed, comprising two output branches, one input for receiving a photonic signal to be analyzed and splitting off a part of the photonic signal to each output branch, the device imposing a phase shift of approximately 180 degrees between the two parts, each output branch including a photodiode generating a respective first electrical current, each output branch generating a second current according to a value of the first current of the branch considered, the device comprising an amplifier generating an output signal according to a difference between the values of the second currents, a gain being defined for each output branch, the device including at least one electronically controlled adjustment element apt to modify one of the gains.Type: ApplicationFiled: March 11, 2022Publication date: May 9, 2024Applicant: Commissariat à l'énergie atomique et aux énergies alternativesInventor: Bertrand DUPONT
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Publication number: 20240138739Abstract: A system for measuring the neural activity of a living being, including an implantable measuring device equipped with a housing to be accommodated, at least partially, in a cavity formed in the cranium (C) of a living being, and including a system of electrodes for measuring the neural activity, arranged on one face of the housing, and electronic signal-processing device, which are accommodated in the housing and to which the electrode system is connected, a device for fixing the housing in the cavity, the fixing device including at least one device for mechanically holding the housing in the cavity, a device for fixing the mechanical holding device, which are arranged to fix the holding device in the cranium (C) on the periphery of the cavity, a device for adjusting the depth position of the housing in the cavity.Type: ApplicationFiled: October 25, 2023Publication date: May 2, 2024Applicant: Commissariat à l'Energie Atomique et aux Energies AlternativesInventors: Fabien SAUTER-STARACE, Guillaume CHARVET
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Publication number: 20240135991Abstract: The electronic circuit performs binary computation operations and comprises word, bit and source lines, and memory cells organized in rows and columns. Each cell includes one pair of memristors and one pair of switches, each memristor being connected to a switch and linked to the same source line during each computation operation, each pair of memristors storing a binary value; the switches being linked to a word line and to a pair of complementary bit lines. The circuit comprises a reading module including: a logic unit for each column, each comprising an input terminal connected to a source line to receive a column value, the logic unit toggling between values, depending on a comparison of the column value with a toggle threshold value; a modification unit for modifying, for at least one logic unit and depending on the computation operation, a difference between the column and threshold values.Type: ApplicationFiled: October 10, 2023Publication date: April 25, 2024Applicants: Commissariat à l'énergie atomique et aux énergies alternatives, Centre national de la recherche scientifique, Université d'Aix-MarseilleInventors: Mona EZZADEEN, Bastien GIRAUD, Jean-Philippe NOEL, Jean-Michel PORTAL
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Publication number: 20240136520Abstract: A solid-state microbattery, including a substrate; a lithium-cobalt-oxide layer forming a cathode having first and second opposite surfaces; a lithium-based solid-state electrolyte formed on the first surface of the cathode; the second surface of the cathode is oriented towards the substrate; an anode formed on the solid-state electrolyte; noteworthy in that the lithium-cobalt-oxide layer possesses a grain size that increases from the first surface to the second surface.Type: ApplicationFiled: October 18, 2023Publication date: April 25, 2024Applicant: Commissariat à l'Energie Atomique et aux Energies AlternativesInventors: Jean-Philippe COLONNA, Sami OUKASSI, Maude BERT, Jérôme DECHAMP
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Patent number: 11965075Abstract: This invention relates to a treatment process for a material chosen from among a polyamide, a polyester and a poly(meth)acrylate. According to the invention, this process comprises a step in which contact is made between this material and a polar organic solvent in a supercritical fluid. This invention also relates to a process for manufacturing a part from a material chosen from among a polyamide, a polyester and a poly(meth)acrylate in a divided form. Finally, the invention relates to use of the material treated by the treatment process and to use of the part manufactured by the manufacturing process in the low voltage, medium voltage or high voltage electrical industry.Type: GrantFiled: December 17, 2020Date of Patent: April 23, 2024Assignees: Commissariat à l'énergie atomique et aux énergies alternatives, Schneider Electric Industries SASInventors: Olivier Poncelet, Daniel Getto, Olivier Renard, Mehrdad Hassanzadeh, Romain Maladen, Karim Helal
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Patent number: 11962094Abstract: The present description concerns a polarization cell (109) comprising a rectangular conductive plane having an off-centered opening, a terminal of application of an input signal located inside of the opening, a first switching element coupling the terminal to a first region of the conductive plane located in the vicinity of a first corner of the conductive plane and a second switching element coupling the terminal to a second region of the conductive plane located in the vicinity of a second corner of the conductive plane, the first and second corners being coupled by a same side of the conductive plane.Type: GrantFiled: June 27, 2022Date of Patent: April 16, 2024Assignee: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventor: Antonio Clemente
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Patent number: 11961940Abstract: The present description concerns an optoelectronic device (300) including: a vertical stack of first (101) and second (105) semiconductor layers forming a PN junction, and of a third conductive layer (107) arranged on top of and in contact with the surface of the second layer opposite to the first layer; a peripheral trench (110) crossing the third (107) and second (105) layers, said trench laterally delimiting a portion of the third layer (107) and a portion of the second layer (105); in said trench (110), a conductive spacer (301) in contact with a lateral side of said portion of the third layer (107); and in said trench (110), an insulated conductive gate (113, 111) extending against a lateral side of the conductive spacer (301) and against a lateral side of said portion of the second layer.Type: GrantFiled: December 18, 2019Date of Patent: April 16, 2024Assignee: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Jean Rottner, Helge Haas
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Patent number: 11955375Abstract: A composite structure, intended for a planar co-integration of electronic components of different functions, the composite structure including from its base towards its surface: a support substrate made of a first material, the support substrate including cavities each opening into an upper face of the support substrate, the cavities being filled with at least one composite material consisting of a matrix of a crosslinked preceramic polymer, the matrix being charged with inorganic particles; and a thin film made of a second material, the thin film being bonded to the upper face of the support substrate and to the composite material.Type: GrantFiled: April 18, 2022Date of Patent: April 9, 2024Assignee: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Marilyne Roumanie, Christelle Navone, Lamine Benaissa
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Patent number: 11954829Abstract: The invention relates to a videoconferencing system 1, comprising: a display screen 10, for displaying an image Ie(ti) containing N images Iint(k)(ti); a camera 20, for acquiring an image Ic(tj); a single-pixel-imager-employing optical device suitable for determining N images Ico(k)(tj) on the basis of sub-matrices SMimp(k)(tj) comprising: an optical source 31, suitable for irradiating an ocular portion Po(tj) of the face of the user; a matrix of single-pixel imagers that are suitable for reconstructing a correction image Ico(k)(tj) on the basis of the light beam reflected by the ocular portion Po(tj); a processing unit 40, suitable for: determining, in each image Iint(k)(ti) of the image Ie(ti), a target point Pc(k)(tj), then selecting N sub-matrices SMimp(k)(tj) each centred on a target point Pc(k)(tj); correcting the image Ic(tj), by replacing a region of the image Pc(tj) representing the ocular portion Po(tj) with the N images Ico(k)(tj).Type: GrantFiled: May 12, 2022Date of Patent: April 9, 2024Assignee: Commissariat à l'Energie Atomique et aux Energies AlternativesInventors: Christophe Martinez, François Templier
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Publication number: 20240110828Abstract: A method for determining the operating state of a light-emitting implant implanted in the brain of a living being, the light-emitting implant including a light source responsible for emitting light into the brain of the living being, the method using a diagnosing device that includes a receiver of a light signal transmitted through a first eye of the living being and a device for determining the operating state of the light-emitting implant based on the received transmitted light signal.Type: ApplicationFiled: September 28, 2023Publication date: April 4, 2024Applicants: Commissariat à l'Energie Atomique et aux Energies Alternatives, CENTRE HOSPITALIER UNIVERSITAIRE GRENOBLE ALPES, UNIVERSITE GRENOBLE ALPESInventors: Pierre BLEUET, Claude CHABROL, Cécile MORO, Stephan CHABARDES, Alim Louis BENABID
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Publication number: 20240113054Abstract: An electronic chip including a substrate and, on the side of one face of the substrate, a metal pad intended to receive a soldering material, the pad including, in order from said face of the substrate, a first metal layer, an electrically conductive barrier layer, and a second metal layer, wherein an electrically insulating barrier layer is arranged on, and in contact with, the sidewall of the first metal layer over the entire periphery of the metal pad.Type: ApplicationFiled: September 28, 2023Publication date: April 4, 2024Applicant: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Clément Lobre, Eva Serres, Ludovic Dupre
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Patent number: 11947021Abstract: Constructing an estimated orientation of the vehicle from a previous position and a previous orientation of the vehicle, then correcting this estimated orientation to obtain a first corrected orientation containing a corrected yaw angle of the vehicle, obtaining a measurement of the yaw angle of the vehicle, then replacing, in the first corrected orientation, the corrected yaw angle with the measured yaw angle, to obtain a second corrected orientation, then delivering the corrected second orientation by way of orientation determined for the vehicle and using, in the next execution of the constructing step, the corrected second orientation by way of previous orientation.Type: GrantFiled: February 10, 2021Date of Patent: April 2, 2024Assignee: Commissariat à l'Energie Atomique et aux Energies AlternativesInventor: Christophe Villien
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Patent number: 11942450Abstract: A cell of fluidic assembly of microchips on a substrate, including: a base having its upper surface intended to receive the substrate; a body laterally delimiting a fluidic chamber above the substrate; and a cover closing the fluidic chamber from its upper surface, wherein the body comprises first and second nozzles respectively emerging onto opposite first and second lateral edges of the fluidic chamber, each of the first and second nozzles being adapted to injecting and/or sucking in a liquid suspension of microchips into and/or from the fluidic chamber, in a direction parallel to the mean plane of the substrate.Type: GrantFiled: November 18, 2021Date of Patent: March 26, 2024Assignees: Commissariat à l'Énergie Atomique et aux Énergies Alternatives, Centre National de la Recherche ScientifiqueInventor: Melina Haupt
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Patent number: 11933403Abstract: A metallic sealing assembly between a rotating shaft and a fixed frame comprises: a flexible metallic seal having two tori, inner and outer, that are concentric and of different average diameters, comprising a metal envelope which encases and holds the inner and outer tori; a shaft rotating about an axis of rotation, comprising an annular shoulder against which the seal comes to press; a counter-face, comprising a contact face against which the seal comes to press; a wedge block positioned around the rotating shaft such that the seal is held between the wedge block and the contact face, the wedge block mounted to slide on the rotating shaft; a metal part which forms a cap through which the rotating shaft passes and which is secured to the frame and/or to the counter-face, the rotating shaft being free to rotate with respect to the cap and axially secured to the cap.Type: GrantFiled: April 1, 2019Date of Patent: March 19, 2024Assignees: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES, TECHNETICS GROUP FRANCE SASInventors: Laurent Guimet, Jean-François Juliaa, Michel Lefrancois, Christophe Darles, Olivier Constant
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Patent number: 11934870Abstract: A method for scheduling computing tasks on a supercomputer including offline reinforcement learning (OFRL) of a scheduler on a database (LDB). The database includes at least one execution history (HIST) that includes the state (LHPCS) of a learning supercomputer at several moments (T, T?1); the actions (LACT) related to the scheduling of learning tasks on the learning supercomputer at those moments (T); and a reward (REW) related to each task. The method also includes the use of the scheduler trained on the computing tasks to be scheduled.Type: GrantFiled: September 13, 2022Date of Patent: March 19, 2024Assignees: BULL SAS, LE COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVESInventor: Pierre Seroul
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Patent number: 11931152Abstract: The present description concerns a support helmet (130) for a medical imaging or treatment device, comprising a head cap (131) provided with a plurality of through openings (133), each opening being adapted to receiving an elementary imaging or treatment module (110) assembled in the opening so as to slide along an axis substantially orthogonal to the head cap.Type: GrantFiled: August 13, 2020Date of Patent: March 19, 2024Assignee: Commissariat à l'Energie Atomique et aux Energies AlternativesInventors: Matthieu Le Prado, Etienne Labyt
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Publication number: 20240081695Abstract: Measuring device (1) intended to be disposed against a medium, the device extending between a contact face (10) intended to be applied facing the medium and a distal end (4), the device including a lateral wall (5) extending between the contact face and the distal end, the device including: at the level of the contact face (10), at least one admission opening (12) configured to collect a transcutaneous gas of interest emitted through the medium, the admission opening being through the contact face; a measuring chamber (20) including a gas sensor (23), the gas sensor being configured to measure a concentration of the gas of interest flowing through the measuring chamber; a collecting chamber (30) connected to the measuring chamber and delimited by an opening on the lateral wall, the collecting chamber including at least one lateral opening (34) through the lateral face or on the top wall of the collecting chamber so as to admit a vector gas into the collecting chamber; the device being characterized in thaType: ApplicationFiled: August 28, 2023Publication date: March 14, 2024Applicants: Commissariat à l'Energie Atomique et aux Energies Alternatives, L3 MEDICALInventors: Pierre GRANGEAT, Myrna Violeta JAILLET-CASILLAS, Fabien STOCARD
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Publication number: 20240089624Abstract: A pixel circuit comprising: a light-sensing element; a first transistor having its control node coupled to a sense node and its source coupled to a readout path of the pixel circuit; and a reset voltage correction circuit comprising: a first switch configured to selectively couple an input node of the reset voltage correction circuit to a correction node, the input node being connected to the sense node or to the source of the first transistor, the correction node being coupled by a capacitance to the sense node; and a second switch configured to selectively couple the correction node to a reset voltage.Type: ApplicationFiled: November 15, 2023Publication date: March 14, 2024Applicant: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventor: Gaelle Palmigiani
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Patent number: 11923477Abstract: A method of manufacturing an electronic device, including the successive steps of: a) performing an ion implantation of indium or of aluminum into an upper portion of a first single-crystal gallium nitride layer, to make the upper portion of the first layer amorphous and to preserve the crystal structure of a lower portion of the first layer; and b) performing a solid phase recrystallization anneal of the upper portion of the first layer, resulting in transforming the upper portion of the first layer into a crystalline indium gallium nitride or aluminum gallium nitride layer.Type: GrantFiled: September 17, 2019Date of Patent: March 5, 2024Assignee: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventor: Hubert Bono
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Publication number: 20240069282Abstract: A process for fabricating an optoelectronic device having a germanium-on-silicon photodiode coupled to an Si3N4 waveguide includes producing a semiconductor substrate having a semiconductor stack of thin layers configured to form segments of a semiconductor structure of the photodiode, producing a photonic substrate having the Si3N4 waveguide, and transferring and bonding the semiconductor substrate to the photonic substrate. The photodiode is produced by photolithography and etching of the semiconductor stack to form the semiconductor structure which is then located above the waveguide.Type: ApplicationFiled: July 26, 2023Publication date: February 29, 2024Applicant: Commissariat à l'Energie Atomique et aux Energies AlternativesInventor: Bertrand SZELAG