Patents by Inventor Fabrice Michel
Fabrice Michel 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: 20240088885Abstract: A control circuit for controlling a first transistor includes a diode for suppressing transient voltages. A cathode of the diode is coupled to a first conduction terminal of the first transistor, and an anode of the diode is coupled to a first node. A first resistor is coupled between the first node and a control terminal of the first transistor. A second transistor has a control terminal coupled to the first node, a first conduction terminal configured to receive a first supply voltage, and a second conduction terminal coupled to the control terminal of the first transistor.Type: ApplicationFiled: September 20, 2023Publication date: March 14, 2024Applicant: STMicroelectronics (Tours) SASInventors: Jean-Michel SIMONNET, Fabrice GUITTON
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Patent number: 11922133Abstract: A method includes processing, by an arithmetic and logic unit of a processor, masked data, and keeping, by the arithmetic and logic unit of the processor, the masked data masked throughout their processing by the arithmetic and logic unit. A processor includes an arithmetic and logic unit configured to keep masked data masked throughout processing of the masked data in the arithmetic and logic unit.Type: GrantFiled: September 30, 2020Date of Patent: March 5, 2024Assignees: STMicroelectronics (Rousset) SAS, STMicroelectronics (Grenoble 2) SASInventors: Rene Peyrard, Fabrice Romain, Jean-Michel Derien, Christophe Eichwald
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Publication number: 20220055252Abstract: A preform has a fibrous reinforcement woven in one piece by three-dimensional weaving to create a fan inter-blade platform The platform includes an aerodynamic base and a fixing structure having stiffening elements that extend from the aerodynamic base. The preform includes a first fibrous part configured to form the aerodynamic base, second fibrous part configured to at least partially form the stiffening elements of the inter-blade platform, a first connection zone in which the first and second parts are woven together, and a first disconnection zone delimited by a first disconnection line extending in a transverse direction and in which the first and second parts are separated from one another. The first disconnection zone is adjacent to the first connection zone in a longitudinal direction L.Type: ApplicationFiled: December 20, 2019Publication date: February 24, 2022Applicant: SAFRANInventors: Enrico Giovanni Obert, Dominique Marie Christian Coupe, Marc-Antoine Colot, Fabrice Michel François René Aubert, Pierre Martin Michelsen
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Publication number: 20210388762Abstract: The invention relates to a de-icing device designed to supply de-icing air to a turbomachine separation nozzle extending along a longitudinal axis, the turbomachine comprising:—the separation nozzle which is designed to be positioned downstream from a turbomachine fan and comprises an internal casing and an external casing which form a separation between a primary flow vein for a primary stream and a secondary flow vein for a secondary stream, said streams issuing from the fan, the internal casing and the external casing defining an inter-vein space;—turbomachine guide vanes designed to be secured by screws to the internal casing such that the screws extend into the inter-vein space, the de-icing device being intended to be positioned in the inter-vein space and comprising—an air inlet;—an air outlet;—a plurality of channels extending from the air inlet toward the air outlet; the channels being arranged in relation to one another such that they are designed to extend from the air inlet toward the air outlets,Type: ApplicationFiled: October 22, 2019Publication date: December 16, 2021Applicant: SAFRAN AIRCRAFT ENGINESInventors: Rémi Roland Robert MERCIER, Fabrice Michel François René AUBERT, Arnaud LANGLOIS
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Patent number: 11162418Abstract: A turbine engine fan having an axis of revolution wherein a fan disk having an upstream face and a radial face is configured to receive a series of fan blades. An inter-blade platform wherein an upstream end, a blocking ferrule, are applied and attached on the one hand to the upstream end of the platform and on the other hand to the upstream face of the fan disk, and an inlet cone. The blocking ferrule includes a radial ring and a lug, extending axially from the radial ring and configured to form a radial abutment for the inlet cone.Type: GrantFiled: December 6, 2019Date of Patent: November 2, 2021Assignee: SAFRAN AIRCRAFT ENGINESInventors: Fabrice Michel Francois Rene Aubert, Suzanne Madeleine Coustillas, Paul Antoine Foresto, Didier Pierre Mozer
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Patent number: 11143047Abstract: A fan includes: a fan disc; an inter-blade platform including a base and a radial tab, a second orifice being formed in the tab of the platform; and a lock having a downstream edge configured to bear against the tab of the platform. The one among the downstream edge and the yoke of the fan disc includes a pin, the other includes a first orifice, the pin being configured to enter the first orifice and the second orifice so as to block the platform relative to the fan disc.Type: GrantFiled: June 20, 2019Date of Patent: October 12, 2021Assignee: SAFRAN AIRCRAFT ENGINESInventors: Jeremy Guivarc'h, Fabrice Michel Francois Rene Aubert, Pierre Martin Michelsen
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Patent number: 10711643Abstract: A turbine engine is provided with a longitudinal rotation axis having at least one shaft with a radial axis, in particular a pitch change system for the blades of a propeller, said shaft traversing a radial passage of a substantially cylindrical case around the longitudinal axis. The turbine engine includes an annular oil guiding device around the radial shaft. The device has first and second annular parts nested in one another and secured to one another by hooping. The first part is secured by hooping to the radial shaft, and the second part is configured so as to be separated from the first part under the action of a force oriented along the radial axis and exerted on the second part by a member of the turbine engine forming a stop during a radial movement of the radial shaft.Type: GrantFiled: August 25, 2017Date of Patent: July 14, 2020Assignee: SAFRAN AIRCRAFT ENGINESInventors: Clément Cottet, Fabrice Michel François René Cretin, Christophe Paul Jacquemard, Christophe Marcel Lucien Perdrigeon, Leny Toribio
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Publication number: 20200182149Abstract: A turbine engine fan having an axis of revolution wherein a fan disk having an upstream face and a radial face is configured to receive a series of fan blades. An inter-blade platform wherein an upstream end, a blocking ferrule, are applied and attached on the one hand to the upstream end of the platform and on the other hand to the upstream face of the fan disk, and an inlet cone. The blocking ferrule includes a radial ring and a lug, extending axially from the radial ring and configured to form a radial abutment for the inlet cone.Type: ApplicationFiled: December 6, 2019Publication date: June 11, 2020Inventors: Fabrice Michel Francois Rene AUBERT, Suzanne Madeleine COUSTILLAS, Paul Antoine FORESTO, Didier Pierre MOZER
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Publication number: 20190390559Abstract: A fan includes: a fan disc; an inter-blade platform including a base and a radial tab, a second orifice being formed in the tab of the platform; and a lock having a downstream edge configured to bear against the tab of the platform. The one among the downstream edge and the yoke of the fan disc includes a pin, the other includes a first orifice, the pin being configured to enter the first orifice and the second orifice so as to block the platform relative to the fan disc.Type: ApplicationFiled: June 20, 2019Publication date: December 26, 2019Applicant: SAFRAN AIRCRAFT ENGINESInventors: Jeremy GUIVARC'H, Fabrice Michel Francois Rene AUBERT, Pierre Martin MICHELSEN
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Patent number: 10176404Abstract: The invention notably relates to a computer-implemented method for recognizing a three-dimensional modeled object from a two-dimensional image. The method comprises providing a first set of two-dimensional images rendered from three-dimensional modeled objects, each two-dimensional image of the first set being associated to a label; providing a second set of two-dimensional images not rendered from three-dimensional objects, each two-dimensional image of the second set being associated to a label; training a model on both first and second sets; providing a similarity metric; submitting a two-dimensional image depicting at least one object; and retrieving a three-dimensional object similar to the said at least one object of the two-dimensional image submitted by using the trained model and the similarity metric.Type: GrantFiled: December 6, 2016Date of Patent: January 8, 2019Assignee: DASSAULT SYSTEMESInventors: Malika Boulkenafed, Fabrice Michel, Asma Rejeb Sfar
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Publication number: 20180135462Abstract: Device for uncoupling first and second parts of a turbine engine, the parts extending around an axis A, wherein the first part comprises an annular row of axial through-openings that extend around the axis A, and in that the second part comprises an annular row of axial fusible lugs that pass axially through the openings and include threaded portions onto which a nut having the axis A and intended for axially clamping the parts is screwed.Type: ApplicationFiled: November 9, 2017Publication date: May 17, 2018Applicant: SAFRAN AIRCRAFT ENGINESInventor: Fabrice Michel François René Cretin
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Patent number: 9972129Abstract: The invention notably relates to a computer-implemented method for compressing a three-dimensional modeled object. The method comprises providing a mesh of a three-dimensional modeled object, parameterizing (u,v) the mesh on a two-dimensional plane, converting the parameterized mesh into an image I, defining a grid of cells from the image I, each cell being defined by a set of control points, computing a relevance of each cell of the grid, determining at least one cell having a relevance lower than a pre-determined threshold, resizing the at least one determined cell and computing a resulting grid, computing a transformation for each pixel of the image from the resulting grid, and applying the computed transformation to the image I.Type: GrantFiled: October 31, 2016Date of Patent: May 15, 2018Assignee: DASSAULT SYSTEMESInventors: Fabrice Michel, Malika Boulkenafed
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Publication number: 20180058260Abstract: A turbine engine is provided with a longitudinal rotation axis having at least one shaft with a radial axis, in particular a pitch change system for the blades of a propeller, said shaft traversing a radial passage of a substantially cylindrical case around the longitudinal axis. The turbine engine includes an annular oil guiding device around the radial shaft. The device has first and second annular parts nested in one another and secured to one another by hooping. The first part is secured by hooping to the radial shaft, and the second part is configured so as to be separated from the first part under the action of a force oriented along the radial axis and exerted on the second part by a member of the turbine engine forming a stop during a radial movement of the radial shaft.Type: ApplicationFiled: August 25, 2017Publication date: March 1, 2018Applicant: SAFRAN AIRCRAFT ENGINESInventors: Clément Cottet, Fabrice Michel François René Cretin, Christophe Paul Jacquemard, Christophe Marcel Lucien Perdrigeon, Leny Toribio
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Publication number: 20170161590Abstract: The invention notably relates to a computer-implemented method for recognizing a three-dimensional modeled object from a two-dimensional image. The method comprises providing a first set of two-dimensional images rendered from three-dimensional modeled objects, each two-dimensional image of the first set being associated to a label; providing a second set of two-dimensional images not rendered from three-dimensional objects, each two-dimensional image of the second set being associated to a label; training a model on both first and second sets; providing a similarity metric; submitting a two-dimensional image depicting at least one object; and retrieving a three-dimensional object similar to the said at least one object of the two-dimensional image submitted by using the trained model and the similarity metric.Type: ApplicationFiled: December 6, 2016Publication date: June 8, 2017Applicant: DASSAULT SYSTEMESInventors: MALIKA BOULKENAFED, FABRICE MICHEL, ASMA REJEB SFAR
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Publication number: 20170124761Abstract: The invention notably relates to a computer-implemented method for compressing a three-dimensional modeled object. The method comprises providing a mesh of a three-dimensional modeled object, parameterizing (u,v) the mesh on a two-dimensional plane, converting the parameterized mesh into an image I, defining a grid of cells from the image I, each cell being defined by a set of control points, computing a relevance of each cell of the grid, determining at least one cell having a relevance lower than a pre-determined threshold, resizing the at least one determined cell and computing a resulting grid, computing a transformation for each pixel of the image from the resulting grid, and applying the computed transformation to the image I.Type: ApplicationFiled: October 31, 2016Publication date: May 4, 2017Applicant: DASSAULT SYSTEMESInventors: Fabrice MICHEL, Malika Boulkenafed
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Patent number: 8218909Abstract: A method for deformable registration of 2 digital images includes providing a pair of digital images, including a fixed image and a moving image, extracting a set of edge images from each image of the pair of images, each edge set being extracted at a different resolution, selecting a pair of edge images with a lowest resolution, determining a mapping from edge points of the fixed image to edge points of moving image using a geodesic thin plate spline interpolation, applying the mapping to a next higher resolution edge point image of the moving image, selecting a pair of edge images at a next higher resolution, where a moving edge image is the moving edge image to which the mapping has been applied, repeating the steps at a next higher resolution for all edge images in the set of edge images, and applying the mapping to an entire moving image.Type: GrantFiled: August 26, 2008Date of Patent: July 10, 2012Assignee: Siemens AktiengesellschaftInventors: Ali Khamene, Fabrice Michel
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Publication number: 20090067755Abstract: A method for deformable registration of 2 digital images includes providing a pair of digital images, including a fixed image and a moving image, extracting a set of edge images from each image of the pair of images, each edge set being extracted at a different resolution, selecting a pair of edge images with a lowest resolution, determining a mapping from edge points of the fixed image to edge points of moving image using a geodesic thin plate spline interpolation, applying the mapping to a next higher resolution edge point image of the moving image, selecting a pair of edge images at a next higher resolution, where a moving edge image is the moving edge image to which the mapping has been applied, repeating the steps at a next higher resolution for all edge images in the set of edge images, and applying the mapping to an entire moving image.Type: ApplicationFiled: August 26, 2008Publication date: March 12, 2009Applicant: Siemens Corporate Research, Inc.Inventors: Ali Khamene, Fabrice Michel
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Patent number: 7089577Abstract: A system for providing video-on-demand service, broadband internet access and other broadband services over T-carrier systems including a pull multiplexer cherrypicker at the head end is disclosed. The pull multiplexer receives upstream requests and cull out MPEG or other compressed video packets, IP packets and other data packet types to satisfy the requests or to send pushed programming downstream. The downstream can be DSL or HFC. Each customer has a cable modem, DSL modem or a gateway which interfaces multiple signal sources to a LAN to which settop decoders, digital phones, personal computers, digital FAX machines, video cameras, digital VCRs etc. can be attached. Each gateway can coupled the LAN to a DSL line or HFC through a cable modem or a satellite dish through a satellite transceiver. A PSTN and conventional TV antenna interface is also provided.Type: GrantFiled: June 23, 2000Date of Patent: August 8, 2006Assignee: Terayon Communication Systems, Inc.Inventors: Selim Shlomo Rakib, Fabrice Michel Raymond Quinard, Peter Albert Monta
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Patent number: 6889385Abstract: A system for providing video-on-demand service, broadband internet access and other broadband services over T-carrier systems including a pull multiplexer cherrypicker at the head end is disclosed. The pull multiplexer receives upstream requests and cull out MPEG or other compressed video packets, IP packets and other data packet types to satisfy the requests or to send pushed programming downstream. The downstream can be DSL or HFC. Each customer has a cable modem, DSL modem or a gateway which interfaces multiple signal sources to a LAN to which settop decoders, digital phones, personal computers, digital FAX machines, video cameras, digital VCRs etc. can be attached. Each gateway can coupled the LAN to a DSL line or HFC through a cable modem or a satellite dish through a satellite transceiver. A PSTN and conventional TV antenna interface is also provided.Type: GrantFiled: June 23, 2000Date of Patent: May 3, 2005Assignee: Terayon Communication Systems, INCInventors: Selim Shlomo Rakib, Fabrice Michel Raymond Quinard, Peter Albert Monta
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Patent number: 6857132Abstract: A system for providing video-on-demand service, broadband internet access and other broadband services over T-carrier systems including a pull multiplexer cherrypicker at the head end is disclosed. The pull multiplexer receives upstream requests and cull out MPEG or other compressed video packets, IP packets and other data packet types to satisfy the requests or to send pushed programming downstream. The downstream can be DSL or HFC. Each customer has a cable modem, DSL modem or a gateway which interfaces multiple signal sources to a LAN to which settop decoders, digital phones, personal computers, digital FAX machines, video cameras, digital VCRs etc. can be attached. Each gateway can coupled the LAN to a DSL line or HFC through a cable modem or a satellite dish through a satellite transceiver. A PSTN and conventional TV antenna interface is also provided.Type: GrantFiled: June 23, 2000Date of Patent: February 15, 2005Assignee: Terayon Communication Systems, Inc.Inventors: Selim Shlomo Rakib, Fabrice Michel Raymond Quinard, Peter Albert Monta