Patents by Inventor Tristan Caroff
Tristan Caroff 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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Patent number: 11693481Abstract: A multimodal haptic device includes a matrix incorporating at least one cell, each cell comprising: at least one thermal element capable of generating a cooling and a heating; at least one vibratory element capable of generating a vibration; and at least one encapsulation layer made of an electrically insulating material; the at least one vibratory element and the at least one thermal element being anchored in at least one part in the at least one encapsulation layer; each cell being adapted to be in contact directly or indirectly with the skin of a person so as to transmit thermal and/or vibratory sensations to that person, the cell having a thickness less than or equal to ten millimetres.Type: GrantFiled: November 30, 2021Date of Patent: July 4, 2023Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Emmanuel Ollier, Tristan Caroff, Fabrice Casset
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Publication number: 20230194354Abstract: A method for determining the state of at least one sensor, the method using a first electromechanical transducer and a second electromechanical transducer that are coupled to a substrate, and a non-linear electrical circuit connected between the second electromechanical transducer and the sensor, the method comprising the steps of: applying an electrical signal at a first amplitude to the terminals of the first electromechanical transducer, and determining a first set of values of a parameter characteristic of the electrical impedance of the first electromechanical transducer in response to the application of the electrical signal; applying the electrical signal at a second amplitude to the terminals of the first electromechanical transducer, and determining a second set of values of the parameter characteristic of the impedance; measuring a difference between the first set of values and the second set of values; determining a state of the sensor on the basis of the difference between the first set of valuesType: ApplicationFiled: December 14, 2022Publication date: June 22, 2023Inventors: Ghislain DESPESSE, Olivier FREYCHET, Nicolas GARRAUD, Julien MARIANNE, Sébastien BOISSEAU, Tristan CAROFF
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Publication number: 20220171464Abstract: A multimodal haptic device includes a matrix incorporating at least one cell, each cell comprising: at least one thermal element capable of generating a cooling and a heating; at least one vibratory element capable of generating a vibration; and at least one encapsulation layer made of an electrically insulating material; the at least one vibratory element and the at least one thermal element being anchored in at least one part in the at least one encapsulation layer; each cell being adapted to be in contact directly or indirectly with the skin of a person so as to transmit thermal and/or vibratory sensations to that person, the cell having a thickness less than or equal to ten millimetres.Type: ApplicationFiled: November 30, 2021Publication date: June 2, 2022Inventors: Emmanuel OLLIER, Tristan CAROFF, Fabrice CASSET
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Publication number: 20220073860Abstract: A kit, for analyzing and monitoring a parameter of a reaction in a reaction chamber, includes: a hollow tube fastened by its ends to the reaction chamber; and a capsule provided with a sensor and guided along the hollow tube via a magnetized magnetic piston disposed in the hollow tube and controlled by a guide device. The hollow tube imposes a predetermined trajectory on the capsule to maintain the capsule at a distance from any mobile member to prevent the capsule from damage. The hollow tube can extend over the entire depth of the reaction medium to allow measurements over the entire depth of the medium.Type: ApplicationFiled: September 9, 2021Publication date: March 10, 2022Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Tristan CAROFF, Sébastien BRULAIS, Martin GAUROY, Nadège NIEF
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Patent number: 9761780Abstract: The thermoelectric device includes a first set of identical unitary thereto-electric systems, each system including at least one thermocouple and the first set has at least one faulty unitary thermoelectric system. It further has devices for detecting functional unitary thermoelectric systems of the first set of unitary thermoelectric systems, and devices designed to electrically connect a second set of functional unitary thermoelectric systems chosen from the first set of unitary thermoelectric systems, in the form of an electric circuit, so that all the unitary thermoelectric systems of the electric circuit have the same current flowing through them.Type: GrantFiled: December 23, 2011Date of Patent: September 12, 2017Assignees: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, ST-ERICSSON SAInventors: Christelle Navone, Tristan Caroff, Denis Cottin
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Patent number: 9754856Abstract: The invention relates to an apparatus comprising a functional component likely to be thermally overloaded during the operation thereof, and a system for cooling the component, comprising: a thermoelectric module comprising a cold surface and a hot surface, the cold surface being thermally coupled with the component; a heat sink thermally coupled with the hot surface of the module, the heat sink including an exchange surface with the surrounding environment and at least one cell containing a phase-change material (PCM), the PCM material contained in the cell or cells being suitable for melting when the heat released from the cold surface of the module is that of the thermally overloaded component, the exchange surface being suitable for bringing the PCM material from the molten phase to the solid phase thereof when the heat released from the cold surface of the module is that of the operational component which is not thermally overloaded.Type: GrantFiled: August 22, 2014Date of Patent: September 5, 2017Assignees: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES, SCHNEIDER ELECTRIC INDUSTRIES SASInventors: Tristan Caroff, Mitova Radoslava, Julia Simon
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Patent number: 9599522Abstract: Disclosed is a method for forecasting the energy consumption of a building, taking into account the heat exchanges from received solar radiation and/or heat convection and/or conduction between the building and the outside environment based on a physical model. The method includes a learning step to deduce the value of the parameters of the physical model based on previous measurements performed on the building.Type: GrantFiled: January 20, 2012Date of Patent: March 21, 2017Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Tristan Caroff, Natalio Mingo Bisquert, Vincent Remondiere
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Patent number: 9541455Abstract: The electronic device comprises a substrate provided with a surface comprising a region of interest, the thermal behavior of which is to be monitored, and a system for detecting hot spots located in the region of interest. The system for detecting hot spots comprises at least three separate heat flow meters arranged on the surface of the substrate outside of the region of interest.Type: GrantFiled: July 27, 2012Date of Patent: January 10, 2017Assignee: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Tristan Caroff, Vincent Remondière
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Publication number: 20160233145Abstract: The invention relates to an apparatus comprising a functional component likely to be thermally overloaded during the operation thereof, and a system for cooling the component, comprising: a thermoelectric module comprising a cold surface and a hot surface, the cold surface being thermally coupled with the component; a heat sink thermally coupled with the hot surface of the module, the heat sink including an exchange surface with the surrounding environment and at least one cell containing a phase-change material (PCM), the PCM material contained in the cell or cells being suitable for melting when the heat released from the cold surface of the module is that of the thermally overloaded component, the exchange surface being suitable for bringing the PCM material from the molten phase to the solid phase thereof when the heat released from the cold surface of the module is that of the operational component which is not thermally overloaded.Type: ApplicationFiled: August 22, 2014Publication date: August 11, 2016Inventors: Tristan Caroff, Mitova Radoslava, Julia Simon
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Patent number: 9099942Abstract: The device for generating current and/or voltage includes means for making a fluid flow between an inlet and an outlet of the device, and a thermoelectric module having a first active surface exposed to the fluid. The thermoelectric module includes apertures, and is placed in the path of the fluid between the inlet and the outlet of the device, the first active surface being substantially perpendicular to the direction of flow of the fluid.Type: GrantFiled: July 4, 2011Date of Patent: August 4, 2015Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Julia Simon, Tristan Caroff
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Patent number: 8962970Abstract: A method for making a thermoelectric microstructure includes: forming an insulating substrate; forming, on the substrate, a first assembly of conductor or semiconductor elements extending in parallel and in a first direction from first to second connection areas, and having a first Seebeck coefficient; forming, on the substrate, a second assembly of conductor or semiconductor elements electrically insulated from the first assembly and extending in parallel and in a second direction other than the first one, from the first to second connection areas, and having a second Seebeck coefficient other than the first one; providing, in the first and second connection areas, electric connection elements, each of which electrically connects at least one element of first and second assemblies; two conductor or semiconductor elements of a single assembly are separated in a predetermined direction by a predetermined average distance in the connection areas.Type: GrantFiled: November 16, 2011Date of Patent: February 24, 2015Assignee: Commissariat a l'Energie Atomique et aux Energies AlternativesInventors: Natalio Mingo Bisquert, Tristan Caroff, Marc Plissonnier, Vincent Remondiere, Shidong Wang
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Publication number: 20140192835Abstract: The electronic device comprises a substrate provided with a surface comprising a region of interest, the thermal behavior of which is to be monitored, and a system for detecting hot spots located in the region of interest. The system for detecting hot spots comprises at least three separate heat flow meters arranged on the surface of the substrate outside of the region of interest.Type: ApplicationFiled: July 27, 2012Publication date: July 10, 2014Applicant: COMMSSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Tristan Caroff, Vincent Remondiere
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Publication number: 20140036951Abstract: Device (30) for measuring or evaluating a characteristic of a heat flux (?) exchanged between a first medium and a second medium, the device comprising a first thermoelectric means (31) and a second thermoelectric means (32), the first and second thermoelectric means being electrically connected in series and thermally connected in series, the first thermoelectric means being of a first nature (n-type) and the second thermoelectric means being of a second nature (p-type), the first and second natures being such that the first thermoelectric means and the second thermoelectric means polarize with opposite polarities under the effect of a heat flux having a given direction and a given sign.Type: ApplicationFiled: January 20, 2012Publication date: February 6, 2014Applicant: Commissariat a L'energie Atomique et aux Energies AlternativesInventors: Tristan Caroff, Natalio Mingo Bisquert, Vincent Remondiere
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Patent number: 8642511Abstract: Method of depositing a layer of oxide of at least one metal element on a curved surface of a textured metal substrate, said method comprising the following steps: (1) a layer of a precursor of at least one oxide of a metal is deposited using an organic solution of at least one precursor of said metal, this solution preferably having a viscosity, measured at the temperature of the method, of between 1 mPa s and 20 mPa s, and even more preferentially between 2 mPa s and 10 mPa s. (2) said layer of oxide precursor is left to dry, (3) heat treatment is carried out in order to pyrolyse said oxide precursor and to form the oxide, at least part of said heat treatment being carried out under a flow of reducing gas, said reducing gas preferably having a flow rate greater than 0.005 cm/s, preferentially between 0.012 cm/s and 0.1 cm/s, and even more preferentially between 0.04 cm/s and 0.08 cm/s.Type: GrantFiled: December 18, 2009Date of Patent: February 4, 2014Assignee: Centre National de la Recherche ScientifiqueInventors: Philippe Odier, Stéphanie Morlens, Cyril Millon, Sarah Petit, Tristan Caroff, Carmen Jimenez, Jean-Louis Soubeyroux, Arnaud Allais, Mark Rikel
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Patent number: 8633138Abstract: Method of depositing a buffer layer of epitaxial metal oxide on a functionalised surface of a textured metal substrate, said method comprising the following steps: (1) a layer is deposited of a precursor of an oxide of the type A2?xB2+xO7 where A represents a metal of valency 3 or a mixture of several of these metals, and B a metal of valency 4, and x is a number between ?0.1 and +0.1, from a solution of carboxylates of said metals A and B, (2) said layer of oxide precursor is left to dry, (3) heat treatment is carried out in order to pyrolyse said oxide precursor and to form the oxide, at least part of said heat treatment being carried out under a flow of reducing gas.Type: GrantFiled: December 18, 2009Date of Patent: January 21, 2014Assignee: Centre National de la Recherche ScientifiqueInventors: Philippe Odier, Stéphanie Morlens, Cyril Millon, Tristan Caroff, Carmen Jimenez, Jean-Louis Soubeyroux, Arnaud Allais, Mark Rikel
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Publication number: 20130291920Abstract: The thermoelectric device includes a first set of identical unitary thereto-electric systems, each system including at least one thermocouple and the first set has at least one faulty unitary thermoelectric system. It further has devices for detecting functional unitary thermoelectric systems of the first set of unitary thermoelectric systems, and devices designed to electrically connect a second set of functional unitary thermoelectric systems chosen from the first set of unitary thermoelectric systems, in the form of an electric circuit, so that all the unitary thermoelectric systems of the electric circuit have the same current flowing through them.Type: ApplicationFiled: December 23, 2011Publication date: November 7, 2013Applicants: ST-ERICSSON SA, COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Christelle Navone, Tristan Caroff, Denis Cottin
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Publication number: 20130082466Abstract: The device for generating current and/or voltage includes means for making a fluid flow between an inlet and an outlet of the device, and a thermoelectric module having a first active surface exposed to the fluid. The thermoelectric module includes apertures, and is placed in the path of the fluid between the inlet and the outlet of the device, the first active surface being substantially perpendicular to the direction of flow of the fluid.Type: ApplicationFiled: July 4, 2011Publication date: April 4, 2013Applicant: Commissariat A L'Energie Atomique Et Aux Energies AlternativesInventors: Julia Simon, Tristan Caroff
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Publication number: 20120260962Abstract: An electric generator based on a thermoelectric effect includes at least a heat source, a heat dissipator and a thermoelectric converter provided with at least two areas respectively in contact with the heat source and the heat dissipator. The heat source is the center of an exothermic chemical reaction, such as the catalytic combustion of hydrogen. The heat dissipator is the center of an endothermic chemical reaction, at least one product of which forms one of the reagents of the exothermic chemical reaction. Once it is formed by the heat dissipator, said product is then directed towards the input of the heat source in order to react there. The endothermic chemical reaction is more particularly a steam reforming reaction for methanol.Type: ApplicationFiled: November 16, 2010Publication date: October 18, 2012Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Tristan Caroff, Philippe Coronel, Jean-Antoine Gruss, Marc Plissonnier
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Publication number: 20120060888Abstract: A method for making a thermoelectric microstructure includes: forming an insulating substrate; forming, on the substrate, a first assembly of conductor or semiconductor elements extending in parallel and in a first direction from first to second connection areas, and having a first Seebeck coefficient; forming, on the substrate, a second assembly of conductor or semiconductor elements electrically insulated from the first assembly and extending in parallel and in a second direction other than the first one, from the first to second connection areas, and having a second Seebeck coefficient other than the first one; providing, in the first and second connection areas, electric connection elements, each of which electrically connects at least one element of first and second assemblies; two conductor or semiconductor elements of a single assembly are separated in a predetermined direction by a predetermined average distance in the connection areas.Type: ApplicationFiled: November 16, 2011Publication date: March 15, 2012Applicant: Commissariat A L'Energie Atomique Et Aux Energie AlternativesInventors: Natalio MINGO BISQUERT, Tristan Caroff, Marc Plissonnier, Vincent Remondiere, Shidong Wang
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Publication number: 20120028810Abstract: Method of depositing a layer of oxide of at least one metal element on a curved surface of a textured metal substrate, said method comprising the following steps: (1) a layer of a precursor of at least one oxide of a metal is deposited using an organic solution of at least one precursor of said metal, this solution preferably having a viscosity, measured at the temperature of the method, of between 1 mPa s and 20 mPa s, and even more preferentially between 2 mPa s and 10 mPa s. (2) said layer of oxide precursor is left to dry, (3) heat treatment is carried out in order to pyrolyse said oxide precursor and to form the oxide, at least part of said heat treatment being carried out under a flow of reducing gas, said reducing gas preferably having a flow rate greater than 0.005 cm/s, preferentially between 0.012 cm/s and 0.1 cm/s, and even more preferentially between 0.04 cm/s and 0.08 cm/s.Type: ApplicationFiled: December 18, 2009Publication date: February 2, 2012Inventors: Philippe Odier, Stéphanie Morlens, Cyril Millon, Sarah Petil, Tristan Caroff, Carmen Jimenez, Jean-Louis Soubeyroux, Arnaud Allais, Mark Rikel