Patents Assigned to COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
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Publication number: 20240328439Abstract: A hydraulic cylinder, in particular for a hydrogen tank pressurization installation, including a cylindrical body of longitudinal axis having a first low-pressure cylindrical body portion and a second high-pressure cylindrical body portion, a piston being mounted in the first cylindrical body portion and being mounted at a first end of a piston rod slidably extending in the second cylindrical body portion. A second end of the rod opposite the first end carries a removable cartridge slidably sealed in the second part of the cylindrical body, the second part of the cylindrical body being sealed by a removable shutter member arranged longitudinally opposite the removable cartridge.Type: ApplicationFiled: April 3, 2024Publication date: October 3, 2024Applicant: Commissariat à l'Energie Atomique et aux Energies AlternativesInventors: Stéphane CARRIERE, Stéphane VILLALONGA
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Publication number: 20240333327Abstract: The invention relates to such an access point (10) comprising: a determination module (12) for determining a signal distortion caused by the own hardware impairments thereof, a transmission module (14), via a fronthaul link comprising a plurality of access points in series, ordered along a predetermined direction of travel to the central unit of a base station, of said distortion to another access point, or to the central unit, following it within said fronthaul bond; and/or a reception module (16) for receiving and taking into account said distortion of an access point preceding it within said fronthaul link, so as to determine the local precoding filters of said access point configured to cancel said distortion of said access point preceding it.Type: ApplicationFiled: April 1, 2024Publication date: October 3, 2024Applicant: Commissariat à l'énergie atomique et aux énergies alternativesInventor: Rafik ZAYANI
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Publication number: 20240326087Abstract: A method for rectifying a polymer film including the steps of: a) providing a first substrate including a front surface, the front surface having a surface energy less than approximately 22 mJ/m2, b) spreading a thermoplastic polymer on the front surface leading to the formation of a polymer film and at least one dewetted zone of the front surface, c) providing a second substrate including a non-stick surface, d) bonding the polymer film and the non-stick surface leading to the formation of a bonding interface having an adhesion energy lower than the adhesion energy between the polymer film and the front surface, e) applying a creep treatment so that the at least one dewetted zone of the front surface is covered by creep of the polymer film, and f) disassembly at the bonding interface so as to obtain the front surface completely covered by the rectified polymer film.Type: ApplicationFiled: March 28, 2024Publication date: October 3, 2024Applicant: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Pierre MONTMEAT, Franck FOURNEL, Thierry ENOT
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Publication number: 20240328916Abstract: An installation for cyclic testing of a hydrogen tank, including a first, low-pressure circuit for circulating a first fluid having a first viscosity and in which a pressure-generating hydraulic power unit is arranged, a second, high-pressure circuit for circulating a second fluid having a second viscosity lower than the viscosity of the first fluid, a third high-pressure circuit for circulating a third fluid with a melting point lower than that of the first fluid and preferably at most ?40° C., and at least one multiplier arranged at the junction of the first circuit and the second circuit.Type: ApplicationFiled: April 3, 2024Publication date: October 3, 2024Applicant: Commissariat à l'Energie Atomique et aux Energies AlternativesInventors: Stéphane CARRIERE, Stéphane VILLALONGA
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Patent number: 12106558Abstract: The present disclosure relates to a method of performing, by an image processing circuit, an inference operation comprising: capturing first and second images using first and second values respectively of an image capture parameter; generating, for a first region of the first and second images, first and second estimates respectively of an image quality metric, wherein the image quality metric is dependent on the value of the image capture parameter; calculating first and second distances between the first and second estimates respectively and first and second target levels respectively; and supplying a result of the inference operation performed on the first region of either the first or second image selected based on the first and second distances.Type: GrantFiled: April 19, 2022Date of Patent: October 1, 2024Assignee: Commissariat à l'Energie Atomique et aux Energies AlternativesInventors: William Guicquero, Arnaud Verdant
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Patent number: 12107099Abstract: A light sensor (4) in which each of its pixels comprises: first and second MOS transistors (T1, T2) series-connected through their sources (S), a gate of the second transistor (T2) receiving a comparative voltage (Vcmp); a first current source (104) series-connected with said transistors (T1, T2) between a first supply voltage (GND) and a second supply voltage (VDD2); a third MOS transistor (T3) and a second current source (108) series-connected between a third supply voltage (GND) and a fourth supply voltage (VDD1), wherein the third transistor (T3) has a gate connected to a connection node (106) of the first current source (104) to the first and second transistors (T1, T2); a photodiode (PD) coupled to a gate of the first transistor (T1); and a switch (RST) connected to the gate of the first transistor (T1).Type: GrantFiled: July 5, 2023Date of Patent: October 1, 2024Assignee: Commissariat à l'Energie Atomique et aux Energies AlternativesInventor: François Ayel
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Patent number: 12099097Abstract: The present description concerns a circuit (5) for monitoring the operation of a component (1) associated with equipment (3), comprising: at least one device (100) for measuring one or a plurality of physical quantities associated with the operation of the component; and a circuit for calculating a value representative of a remaining lifetime of a component, said monitoring circuit (5) being linked to the equipment.Type: GrantFiled: December 11, 2020Date of Patent: September 24, 2024Assignees: Commissariat à l'Energie Atomique et aux Energies Alternatives, CEFEM INDUSTRIESInventors: Dominique Bergogne, Jérôme Willemin, Jérôme Fangier, Redouane Hammal, Lionel Fangier
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Patent number: 12085706Abstract: A viewfinder with which an observing or image-recording device, such as a spotting scope or image-recording apparatus, is intended to be equipped, the observing device being configured to produce an image of an observed scene. The viewfinder allows a first image, representative of the observed scene, and a second image, different from the first image, to be displayed, the first image and the second image being juxtaposed with respect to each other. The observing device includes a first optical system and a second optical system configured to propagate the first image and the second image towards the eye of a user, along two distinct axes of propagation, respectively. The optical systems are such that passage from observing one image to observing the other image is achieved through simple natural rotation of the eye.Type: GrantFiled: December 20, 2022Date of Patent: September 10, 2024Assignee: Commissariat à l'Energie Atomique et aux Energies AlternativesInventors: Simon Charriere, Pierre Joly
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Patent number: 12088722Abstract: A method for executing a computer program includes incorporating, into metadata of a block containing a line of code to be accessed using a pointer, a first pointer identifier associated with the line of code to be accessed, then obtaining a pointer including a first range of bits containing the address of the line of code to be accessed, and a different second range of bits containing a second pointer identifier, then verifying that the second pointer identifier contained in the obtained pointer corresponds to the first pointer identifier associated with the line of code to be accessed and contained in the metadata of the loaded block, and when the first and second pointer identifiers do not correspond, then the security module triggers signaling of an execution fault.Type: GrantFiled: February 14, 2022Date of Patent: September 10, 2024Assignee: Commissariat à l'Energie Atomique et aux Energies AlternativesInventors: Olivier Savry, Thomas Hiscock
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Patent number: 12085683Abstract: A method for determining a spatial-sensitivity function of a gamma camera, the gamma camera observing a field of observation (?) liable to contain radiation sources, the gamma camera including a detector material; pixels, distributed over a detecting area, each pixel being configured to form a detection signal under the effect of detection of an interaction of an ionising photon in the detector material; a unit for achieving sub-pixel resolution, the unit being programmed to assign a position (x,y) to each detected interaction on the basis of detection signals formed by a plurality of pixels, the position being determined on a mesh dividing each pixel into a plurality of virtual pixels. The method includes steps allowing weights assigned to each virtual pixel to be determined, each weight corresponding to a sensitivity of each virtual pixel.Type: GrantFiled: July 14, 2022Date of Patent: September 10, 2024Assignee: Commissariat à l'énergie atomique et aux énergies alternativesInventor: Guillaume Montemont
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Publication number: 20240298554Abstract: A switch including: first, second, and third electrodes; a region of phase-change material coupling the first, second, and third electrodes; and first, second, and third heater elements connected between a first surface of the region of phase-change material and the first, second, and third electrodes, respectively, the second and third heater elements being intended to modify the state of the phase-change material in first and second areas within said region.Type: ApplicationFiled: February 29, 2024Publication date: September 5, 2024Applicant: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Denis Mercier, Bruno Reig
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Patent number: 12077451Abstract: A method for producing a lithium-containing oxide comprising one or more metal elements, which can be used as an active material for an electrode, for example a positive electrode for a lithium battery, the method comprising the following successive steps: a) a step of bringing at least one coordination polymer into contact with a lithium source, the coordination polymer comprising the other metal element(s) interconnected by organic ligands; b) a step of calcining the mixture resulting from step a).Type: GrantFiled: June 18, 2019Date of Patent: September 3, 2024Assignee: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVESInventor: David Peralta
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Patent number: 12072441Abstract: A device for measuring a physical quantity, including at least a transceiver unit for electromagnetic waves, an antenna-sensor including a sensor integrated into a target antenna having at least one excitation port, the antenna-sensor having a variable impedance with electromagnetic transduction, the measuring device being configured, per predetermined frequency band and independently of the angular difference between the transmission and reception of waves, for measuring the electromagnetic response of the antenna-sensor at least from an ellipticity rate of an electromagnetic field backscattered by the antenna-sensor, the ellipticity rate characterizing the polarization of the electromagnetic field configured to be measured by the transceiver unit, the electromagnetic response being representative, by electromagnetic transduction, of the at least one physical quantity to be measured.Type: GrantFiled: November 21, 2022Date of Patent: August 27, 2024Assignees: Commissariat à l'énergie atomique et aux énergies alternatives, Centre national de la recherche scientifiqueInventors: Luis-Felipe Fonseca-Dias, Camille Jouvaud, Christophe Delaveaud, Hervé Aubert
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Publication number: 20240280673Abstract: A sensor of a reflected light signal for acquiring a depth map of the scene. Each depth pixel of the sensor includes at least one pair of photosites. Each pair of photosites incudes a first photosite of a first semiconductor substrate and a second photosite of a second substrate having the first substrate stacked thereon. Each pixel is configured to acquire, for each pair of photosites of the pixel, at least one sample of charges simultaneously photogenerated in photosensitive elements of the photosites of said pair.Type: ApplicationFiled: June 16, 2022Publication date: August 22, 2024Applicant: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Gaelle Palmigiani, Yvon Cazaux, Alexis Rochas, Francois Ayel
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Patent number: 12066332Abstract: A process for producing a microbolometer including a vanadium-oxide-based sensitive material containing an additional chemical element chosen from arsenic, germanium, silicon and phosphorus, the process including: determining an effective amount of the additional chemical element from which the modified compound, having undergone a step of exposure to a temperature Tr for a time ?tr, exhibits an electrical resistivity ?a|r at room temperature that is higher than 10% of its native value; producing the sensitive material in a thin layer, this material being formed from the modified compound having an amount of the additional chemical element that is greater than or equal to the effective amount; and exposing the sensitive material to the temperature Tr for the time ?tr.Type: GrantFiled: July 27, 2020Date of Patent: August 20, 2024Assignees: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, LYNREDInventors: Denis Pelenc, Giacomo Badano, Alexi Cardoso, Marc Guillaumont
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Patent number: 12055638Abstract: A device of acquisition of a depth image of a scene by detection of a reflected light signal. The device includes a stack of a first sensor and of a second sensor. The first sensor includes first depth photosites configured to acquire at least one first sample of charges photogenerated during first time periods. The second sensor includes second depth photosites arranged opposite the first photosites, the second photosites being configured to acquire at least one second sample of charges photogenerated during second time periods offset with respect to the first time periods by a first constant phase shift. The first sensor or the second sensor further includes third photosites configured to acquire at least one third sample during third time periods offset with respect to the first time periods by a second constant phase shift.Type: GrantFiled: October 6, 2021Date of Patent: August 6, 2024Assignee: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Alexis Rochas, François Ayel, Yvon Cazaux, Gaelle Palmigiani
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Publication number: 20240260478Abstract: A method for fabricating an asymmetric SOT-MRAM memory cell unit, the memory cell unit including a conductor track and a pad, arranged on the conductor track and including at least one first magnetic region with free magnetization. The method further includes producing a stack of a plurality of extended layers, including at least one first extended magnetic layer; depositing a mask on an upper surface of the stack; and defining the first magnetic region in the first extended magnetic layer though ion irradiation of the upper surface of the stack carrying the mask, the parameters of the ion irradiation being adapted so as to modify magnetic properties of the material forming the first magnetic layer.Type: ApplicationFiled: May 17, 2022Publication date: August 1, 2024Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE PARIS-SACLAY, COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVESInventors: Gilles GAUDIN, Ioan Mihai MIRON, Olivier BOULLE, Dafine RAVELOSONA
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Patent number: 12051678Abstract: A light-emitting diode manufacturing method including the forming of three-dimensional semiconductor elements, extending along parallel axes, made of a III-V compound, each having a lower portion and a flared upper portion inscribed within a frustum of half apical angle ?. The method further comprises, for each semiconductor element, the forming of an active area covering the top of the upper portion and the forming of at least one semiconductor layer of the III-V compound covering the active area by vapor deposition at a pressure lower than 10 mPa, by using a flux of the group-III element along a direction inclined by an angle ?III and a flux of the group-V element along a direction inclined by an angle ?V with respect to the vertical axis, angles ?III and ?V being smaller than angle ?.Type: GrantFiled: June 25, 2020Date of Patent: July 30, 2024Assignees: Commissariat à l'Énergie Atomique et aux Énergies Alternatives, Aledia, Universite Grenoble AlpesInventors: Bruno-Jules Daudin, Walf Chikhaoui, Marion Gruart
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Patent number: 12047484Abstract: A method for executing a function, secured by temporal desynchronization, includes when a first legitimate instruction is loaded, noting the opcode of this first legitimate instruction, then constructing a dummy instruction on the basis of this noted opcode, the dummy instruction thus constructed being identical to the first legitimate instruction except that its operands are different, then incorporating the dummy instruction thus constructed into a sequence of dummy instructions used to delay the time at which a second legitimate instruction is executed.Type: GrantFiled: March 11, 2022Date of Patent: July 23, 2024Assignee: Commissariat à l'Energie Atomique et aux Energies AlternativesInventors: Gaëtan Leplus, Olivier Savry
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Patent number: 12042890Abstract: Method for manufacturing a heat sink for liquid cooling system of a compute blade of a supercomputer, comprising in particular a friction-stir welding step of a base plate at a machined central rib and at a machined rim.Type: GrantFiled: September 18, 2023Date of Patent: July 23, 2024Assignees: BULL SAS, Le Commissariat à l'énergie atomique et aux énergies alternatives (CEA)Inventors: Pierre Lamy, Fabien Demange