Gwenael
Gwenael Cabouro, Coourbevoie FR
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20130284550 | FLEXIBLE FRICTION PAD AND BRAKE LINING PROVIDED WITH SUCH A PAD - Friction pad ( | 10-31-2013 |
Gwenael Changeon, Paris FR
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20120299905 | FLUIDIC ACTUATOR AND DISPLAY DEVICE HAVING FLUIDIC ACTUATORS - A fluidic actuator includes a chamber filled with a fluid, an element movable in relation to the chamber and in contact with the fluid, as well as a passage for circulating the fluid between the inside and the outside of the chamber in order to vary the amount of fluid in the chamber, thus causing movement of the movable element. The fluid is magnetorheological and the fluidic actuator includes a magnetic field generator arranged so as to generate, in the passage, a controlled magnetic field. | 11-29-2012 |
Gwenael Doerr, Cesson Sevigne FR
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20120063634 | Method for watermarking free view video with blind watermark detection - The invention relates to a method for watermark embedding in multi views video comprising a plurality of views captured with a plurality of cameras comprising for each view a step of projecting the view onto a domain invariant to the plurality of views and to intermediate synthesized view, which depends on the locations, orientations, and intrinsic parameters of the cameras, resulting into an invariant vector ; a step of applying a watermarking algorithm to the invariant vector resulting into a watermarked invariant vector ; and a step of modifying the view to obtain a watermarked view, wherein said watermarked view when projected onto the invariant domain results into the watermarked invariant vector. | 03-15-2012 |
20130148843 | DEVICE FOR GENERATING WATERMARK METADATA, ASSOCIATED DEVICE FOR EMBEDDING WATERMARK - A device for generating metadata associated with a content intended to be watermarked with an identifier stored in a device for embedding a watermark is disclosed. The device for generating metadata comprises a processor configured to generate metadata. The metadata comprises (i) an instruction for deriving a current payload bit from the identifier wherein the current payload bit is determined from a lookup index wherein the instruction for deriving a current payload bit indicates to which position in the identifier corresponds the current payload bit, or from a XOR function applied to a plurality of bits of the identifier, wherein the instruction for deriving a current payload bit comprises a binary mask indicating which bits in the identifier corresponds to XORed bits. | 06-13-2013 |
Gwenael Doerr, Rennes FR
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20120120062 | METHOD AND DEVICE FOR 3D OBJECT PROTECTION BY PERMUTATION OF COORDINATES OF ITS POINTS - A 3D object is protected by a first device that receives the 3D object, permutes the coordinates of at least one dimension of at least some of the points of the 3D object to obtain a protected 3D object, and outputs the protected 3D object. The coordinates of the dimensions are preferably permuted independently of the permutations of the other dimensions. The protected 3D object is unprotected by a second device ( | 05-17-2012 |
20130315438 | METHOD FOR GUARANTEEING WATERMARK EMBEDDING BY USING BIT STREAM CORRUPTION - A method for preventing the bypassing of watermark embedding in a bit-stream representative of audio/video data is disclosed. The method is remarkable in that it comprises a step of corrupting the bit-stream wherein original blocks in the bit-stream are replaced by corrupted blocks producing a non-compliant bit-stream; and a step of repairing the corrupted bit-stream by replacing each corrupted blocks, wherein at least one corrupted block is replaced by a watermarked block and at least one corrupted block is replaced by an original block, producing a compliant repaired and watermarked bit-stream. A device for watermarking and repairing a corrupted bit-stream and to a device for preparing a corrupted bit-stream, wherein the original bit-stream is representative of audio/video data are further disclosed. | 11-28-2013 |
20130318624 | METHOD AND DEVICE FOR CONTROLLING DISTRIBUTION OF LICENSES - A method for controlling distribution of licenses, a license being for an excerpt of a content item, the content item comprising a set of continuous units, each excerpt comprising a subset of the set of continuous units, A device receives an identifier of a receiver of a license, and the license or a request to generate the license, the license or the request to generate the license comprising a content identifier and at least one indicator of the units covered by the license; retrieves stored information regarding licenses previously delivered to the receiver; compares a limit value for the content item with the stored information combined with information from the license or the request to generate the license; and allows the receiver access to the license only if the limit value is not exceeded by the stored information combined with information from the license or the request to generate the license Also provided is the device. | 11-28-2013 |
20140119538 | METHOD AND DEVICE FOR 3D OBJECT ENCRYPTION BY APPLICATION OF A FUNCTION MODIFIED USING A SECRET KEY - A method for encrypting a 3D object. In a preferred embodiment, the encryption shapes the 3D object by generating a set of secret functions using a secret K, applying the generated functions to the 3D object, determining the function that gives an output that is closest to predetermined characteristics, encrypting the 3D object using the determined function, and outputting the encrypted 3D object and an indication of the determined function. Also provided is a corresponding decryption method, an encryption device and a decryption device. | 05-01-2014 |
20150063567 | METHOD FOR WATERMARKING A CONTENT - A method for preparing a content for watermarking is disclosed, wherein the content is available in different versions on a server for at least a client and wherein the different versions of the content are subdivided into temporally aligned chunks. The method comprises obtaining, for each version of the content, candidate locations for watermarking; determining a watermark payload bit insertion rate according to a minimum path, wherein the minimum path comprises, for all sets of temporally aligned chunks, the chunks with the smallest number of candidate locations; and generating watermark embedding metadata for each version of the content such that the watermark payload bit insertion rate is the same. A device for implementing the method and a non-transitory program storage device are also disclosed. | 03-05-2015 |
Gwenael Doerr, Cesson Sevigne Cedex FR
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20130016911 | METHOD FOR CLASSIFYING PROJECTION RECAPTURESAANM Rolland-Neviere; XavierAACI Cesson SevigneAACO FRAAGP Rolland-Neviere; Xavier Cesson Sevigne FRAANM Chupeau; BertrandAACI Cesson Sevigne CedexAACO FRAAGP Chupeau; Bertrand Cesson Sevigne Cedex FRAANM Doerr; GwenaelAACI Cesson Sevigne CedexAACO FRAAGP Doerr; Gwenael Cesson Sevigne Cedex FRAANM Blonde; LaurentAACI Cesson Sevigne CedexAACO FRAAGP Blonde; Laurent Cesson Sevigne Cedex FR - A method for classifying projection recaptures is disclosed. A copy of a video content is classified as recorded from the digital projection of the video content, or as recorded from the projection of the celluloid film print of the video content by an automated method comprising classifying as a function of at least one feature extracted from a digital representation of the copy, among (i) spatial illumination uniformity; (ii) on-screen vertical stability; and (iii) temporal illumination pulse. | 01-17-2013 |
Gwenael Doulin, Chartres FR
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20090266823 | METHOD FOR MANUFACTURING A SEALING BLADDER MADE OF THERMOSETTING POLYMER FOR A TANK CONTAINING A PRESSURIZED FLUID, SUCH AS A COMPOSITE TANK, AND A TANK - A method for manufacturing a polymer bladder assuring the internal sealing of a tank vis-à-vis a pressurized fluid which is contained therein, wherein said polymer is a thermosetting polymer, and said method comprises at least one step of polymerizing at least two precursor compounds of said thermosetting polymer carried out in a mould in rotation. | 10-29-2009 |
Gwenael Doulin, Beynost FR
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20120024904 | DEVICE FOR DISPENSING A LIQUID-TO-PASTY PRODUCT USING A METERING PUMP HAVING A LOW DEAD VOLUME - A device for dispensing a liquid-to-pasty product to be placed at the open end of a rigid container and consisting of a manual metering pump for dispensing a predetermined amount of the product to be dispensed, includes a base member to be placed on the container, a push button provided with a dispensing spout capable of acting, when pumped, against an intermediate bellows comprising an opening/closing device provided at the upper end of the bellows, characterized in that the push button is combined with a cylindrical chamber directed towards the inside of the bellows and extending inside the bellows so as to form a dead volume with a predetermined value inside same and to accordingly reduce the available air volume, thereby improving the compression rate when pumped. | 02-02-2012 |
Gwenael Hingouet, Saint Cyr Sur Loire FR
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20080230341 | Disengageable pulley device - Disengageable pulley device comprising a pulley mounted on a shaft by means of a rolling bearing and of a freewheel, the pulley comprising a rim mounted on the periphery of a one-piece outer race of substantially tubular shape comprising, on an inner surface, at least one raceway for rolling elements and at least one contact seat of cylindrical revolution for lock-up elements of the freewheel, a one-piece inner race forming a torque transmission shaft and including, on an outer surface coming opposite the outer race, at least one raceway for the rolling elements and at least one contact seat of cylindrical revolution for the lock-up elements of the freewheel. | 09-25-2008 |
20120125277 | CAM FOLLOWER ROLLER DEVICE, NOTABLY FOR A FUEL INJECTION PUMP - Cam follower roller device, notably for an internal combustion engine fuel injection pump, comprising a tappet ( | 05-24-2012 |
20150176690 | CAM FOLLOWER ROLLER DEVICE - The cam follower roller device comprises a body, a shaft mounted on the body, and a roller mounted on the said shaft in a rotationally movable manner and comprising two end faces. Each of the said faces is arranged at least in part axially facing an inner wall of the body. At least one of the end faces of the roller and/or at least one of the said inner walls of the body comprise an antifriction and wear-resistant coating. | 06-25-2015 |
Gwenael Housin, Nantes FR
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20150260864 | METHOD FOR PROVIDING SYNCHRONIZATION IN A DATA ACQUISITION SYSTEM - It is proposed a method for providing synchronization in a data acquisition system including a plurality of acquisition units. A given acquisition unit of the plurality carries out the following steps: receiving a packet from another device of the data acquisition system; extracting a synchronization accuracy information and a reference clock information from the received packet; obtaining a first reference clock as a function of the extracted reference clock information; if the extracted synchronization accuracy information indicates a better synchronization accuracy than a current synchronization accuracy information associated to the given acquisition unit: taking the obtained first reference clock as a selected reference clock and updating the current synchronization accuracy information to indicate a lower synchronization accuracy than the extracted synchronization accuracy information. | 09-17-2015 |
Gwenael Kervizic, Meudon FR
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20140156247 | Computer-Implemented Method For Simulating, In A Three-Dimensional Scene, The Evolution Of Biological Data - A computer-implemented method for simulating, in a three-dimensional scene, the evolution of biological data comprising the steps of: | 06-05-2014 |
Gwenael Marquezin, Villeurbanne FR
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20090166333 | CIRCUIT BREAKER HAVING A PLURALITY OF BREAKER CHAMBERS ARRANGED IN PARALLEL, WITH A COMMON TRANSMISSION AND REDUCED LENGTH - A high or very high voltage circuit breaker comprising, for each phase: | 07-02-2009 |
20100270266 | CIRCUIT BREAKER WITH TWO ALIGNED BREAKER CHAMBERS, A COMMON TRANSMISSION, AND REDUCED SIZE - A very high voltage circuit breaker comprising, for each phase, at least two breaker chambers aligned with each other, each chamber including a pair of main contacts, a pair of arcing contacts that are stationary relative to the main contacts, and a nozzle for blowing out hot gases resulting from the breaking operations, the pairs of contacts being partly of complementary male and female forms, each comprising at least one movable contact, the nozzle being stationary relative to the movable main contact and arcing contact. | 10-28-2010 |
20130119022 | MEDIUM AND HIGH-VOLTAGE ELECTRIC SWITCH WITH RETURN ON CLOSURE AND AN INSERTION DEVICE FOR INSERTING A RESISTANCE - An electric switch for application to high- and very high-voltage circuit breakers and switches comprising a flexible toroidal helical spring ( | 05-16-2013 |
20130233831 | HYBRID CIRCUIT BREAKER HAVING A SWITCH WITH RETURN ON CLOSURE - A hybrid circuit breaker for use in the field of medium- and high-voltage hybrid circuit breakers comprising an arc-control device ( | 09-12-2013 |
Gwenael Morichaud, Lyon FR
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20110211262 | MULTIPLE LIQUID LENS DRIVER - The invention concerns drive circuitry for generating a plurality of independent drive voltage signals for a plurality of electrodes of at least one liquid lens, the liquid lens comprising first and second miscible liquids, an interface between the first and second liquids being movable by electro wetting by application of a drive voltage signal to at least one electrode of the liquid lens, the drive circuitry including generating circuitry ( | 09-01-2011 |
Gwenael Poitau, Montreal CA
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20100142635 | METHOD AND APPARATUS FOR CORRECTING LINEAR ERROR PHASE OF AN OFDM SIGNAL - The present invention relates to a method and an apparatus for correcting linear error phase of an OFDM signal. The method includes a step of offsetting a rotation corresponding to a back-off value of the signal. The apparatus of the present invention includes a correction module for offsetting the rotation of the signal corresponding to the back-off value. | 06-10-2010 |
20110176592 | SYSTEM AND METHOD FOR OPTIMIZING USE OF CHANNEL STATE INFORMATION - The present invention relates to a combiner, channel identifier, OFDM receiver and method for optimizing use of channel state information of a received signal. The method comprises analyzing a received signal in a time domain and extracting from the received signal characteristics of a communication channel. The method furthermore comprises determining a dynamic indicator of channel station information accuracy based on the characteristics of the received signal. Additionally, the method comprises applying a weight to the channel state information according to the dynamic indicator. | 07-21-2011 |
20130322413 | METHODS TO ENABLE SCHEDULING AND CONTROL OF DIRECT LINK COMMUNICATION IN CELLULAR COMMUNICATION SYSTEMS - A method and apparatus for enabling scheduling and control of direct link communication in a cellular communication system may be disclosed. A method for use in a first wireless transmit/receive unit (WTRU) may include transmitting a request for device-to-device (D2D) communication resources to an enhanced Node B (eNB). The first WTRU may receive an allocation of resources for multiple transmission time intervals (TTI) to be used for D2D communications from the eNB. The first WTRU may schedule D2D communications with a second WTRU to be performed during the allocated resources. The first WTRU may perform D2D communications with the second WTRU using half duplex communications during the allocated resources. | 12-05-2013 |
20130324114 | METHOD AND APPARATUS FOR DEVICE-TO-DEVICE (D2D) MOBILITY IN WIRELESS SYSTEMS - A method and apparatus for mobility for device-to-device (D2D) communications is disclosed. A WTRU may store a proximity detection configuration that includes a measurement object corresponding to at least one discovery signal property, perform a proximity detection measurement to detect a discovery signal property, and then establish D2D communication. A radio resource control (RRC) Measurement Report may be received from a WTRU. Methods for D2D mobility procedures are also disclosed including mobility to or from a direct path, to or from a local path, to or from an infrastructure path, changing serving cell, and cell reselection. Other embodiments include: behavior upon mobility failure, radio link failure, and direct link failure. Security configuration and activation methods and apparatuses are also disclosed. Network methods for inter-eNB management are also disclosed. Finally, direct path proximity detection measurements and methods and apparatuses for triggering and establishing D2D sessions are disclosed. | 12-05-2013 |
20130324182 | DEVICE-TO-DEVICE (D2D) CROSS LINK POWER CONTROL - Device-to-device (D2D) cross link power control systems and methods may be disclosed. For example, a device such as a UE or WTRU may determine whether it may have simultaneous transmissions where at least one of the transmissions may include a cross link transmission. The device may further determine whether a total transmit power of the simultaneous transmissions may exceed a maximum transmit power of the device. If the device may have simultaneous transmissions and such transmissions may exceed the maximum transmit power, the device may reallocate power based on a priority or priority setting. The device may further determine a maximum cross link power, a maximum device power, and a cross link transmit power level such that the device may further control the power for transmissions based thereon. | 12-05-2013 |
20140056220 | METHOD AND APPARATUS FOR PERFORMING DEVICE-TO-DEVICE DISCOVERY - Methods and apparatus for performing device-to-device (D2D) discovery are described. A service discovery process may include a discoverable device (e.g., a wireless transmit/receive unit (WTRU)) sending a discovery request, over a wireless connection, for a radio resource for the purpose of performing a transmission for radio frequency (RF) proximity detection for a given service. The WTRU may receive a discovery response including a configuration for RF proximity detection from a network, which configuration may be associated to the service. The configuration for RF proximity may be received by dedicated signaling, (e.g., physical downlink shared channel (PDSCH)), in particular for a discoverable WTRU. The configuration for RF proximity may be received on a broadcast channel, (e.g., a discovery shared channel (DISCH)), in particular for a monitoring WTRU, and may include one or more service identities, each associated with an RF proximity detection configuration, or a validity information and a measurement configuration. | 02-27-2014 |
20140185722 | System and Method for Optimizing Use of Channel State Information - The present invention relates to a combiner, channel identifier, Orthogonal Frequency Division Multiplexing OFDM receiver and method for optimizing use of channel state information of a received signal. The method comprises analyzing a received signal in a time domain and extracting from the received signal characteristics of a communication channel. The method furthermore comprises determining a dynamic indicator of channel station information accuracy based on the characteristics of the received signal. Additionally, the method comprises applying a weight to the channel state information according to the dynamic indicator. | 07-03-2014 |
Gwenaël Hingouet, Saint-Cyr-Sure-Loire FR
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20110048358 | Disengageable Module for a System for Transmitting a Starting Torque to an Internal Combustion Engine - The disengageable module for a system for transmitting a starting torque to an internal combustion engine, of the type comprising a ring gear connected to the crankshaft of the combustion engine, comprises an inner ring ( | 03-03-2011 |
Gwenaël Hingouet, Saint-Cyr-Sure-Loire FR
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20110048358 | Disengageable Module for a System for Transmitting a Starting Torque to an Internal Combustion Engine - The disengageable module for a system for transmitting a starting torque to an internal combustion engine, of the type comprising a ring gear connected to the crankshaft of the combustion engine, comprises an inner ring ( | 03-03-2011 |
Gwenaël Le Rhun, Renage FR
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20120056299 | Integrated Capacitor Comprising an Electrically Insulating Layer Made of an Amorphous Perovskite-Type Material and Manufacturing Process - An integrated capacitor comprises a layer of dielectric material known as functional dielectric material based on crystallized material of perovskite type, between at least one first electrode known as a bottom electrode at the surface of a substrate and at least one second electrode known as a top electrode, said electrodes being electrically insulated by a layer of electrically insulating material in order to allow at least one contact on the top electrode. The electrically insulating material is made of an amorphous dielectric material of perovskite type having a dielectric constant lower than that of the crystallized material of perovskite type. The contact is formed from an etched contacting layer in contact with the electrically insulating dielectric layer level with its surface parallel to the plane of the layers. A process for manufacturing such an integrated capacitor is also provided. | 03-08-2012 |
20120306322 | Electrical Component Comprising a Material with a Perovskite Structure and Optimized Electrodes and Fabrication Process - An electrical component comprises a lead-based perovskite crystal material layer between a lower electrode on the surface of a substrate and an upper electrode, characterized in that the lower electrode comprises a stabilizing first layer made of a first material and a seeding second layer made of a second material, the first and second materials having the same chemical composition but different structural parameters and/or densities. A process for fabricating a component is also provided, in which the material with a perovskite structure may be PZT with a (100) or (111) orientation. | 12-06-2012 |
Gwenaël Le Rhun, Grenoble FR
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20110061215 | PROCESS FOR FABRICATING AN OPTIMALLY-ACTUATING PIEZOELECTRIC MEMBRANE - In a process for fabricating a membrane, including, on a substrate, a thin-film multilayer including a film of piezoelectric material placed between a top electrode film and a bottom electrode film and an elastic film supporting said piezoelectric film, the process includes: determining at least one concavity/convexity curvature of said membrane along an axis parallel to the plane of the films so that at least one inflection point is defined, said point allowing a first region and a second region, corresponding to a concave part and a convex part or vice versa, to be isolated; depositing, on the surface of the substrate, a thin-film multilayer including at least one film of piezoelectric material, one bottom electrode film and one top electrode film; and structuring at least one of the electrode films to define at least said first membrane region, in which an electric field perpendicular to the plane of the films may be applied, and at least said second region, in which an electric field parallel to the plane of the films may be applied. | 03-17-2011 |
Gwenaël Le Rhun, Grenoble FR
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20110061215 | PROCESS FOR FABRICATING AN OPTIMALLY-ACTUATING PIEZOELECTRIC MEMBRANE - In a process for fabricating a membrane, including, on a substrate, a thin-film multilayer including a film of piezoelectric material placed between a top electrode film and a bottom electrode film and an elastic film supporting said piezoelectric film, the process includes: determining at least one concavity/convexity curvature of said membrane along an axis parallel to the plane of the films so that at least one inflection point is defined, said point allowing a first region and a second region, corresponding to a concave part and a convex part or vice versa, to be isolated; depositing, on the surface of the substrate, a thin-film multilayer including at least one film of piezoelectric material, one bottom electrode film and one top electrode film; and structuring at least one of the electrode films to define at least said first membrane region, in which an electric field perpendicular to the plane of the films may be applied, and at least said second region, in which an electric field parallel to the plane of the films may be applied. | 03-17-2011 |
Gwenaël Le Rhun, Renage FR
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20120306322 | Electrical Component Comprising a Material with a Perovskite Structure and Optimized Electrodes and Fabrication Process - An electrical component comprises a lead-based perovskite crystal material layer between a lower electrode on the surface of a substrate and an upper electrode, characterized in that the lower electrode comprises a stabilizing first layer made of a first material and a seeding second layer made of a second material, the first and second materials having the same chemical composition but different structural parameters and/or densities. A process for fabricating a component is also provided, in which the material with a perovskite structure may be PZT with a (100) or (111) orientation. | 12-06-2012 |
Gwenaël Marquezin, Villeurbanne FR
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20130119022 | MEDIUM AND HIGH-VOLTAGE ELECTRIC SWITCH WITH RETURN ON CLOSURE AND AN INSERTION DEVICE FOR INSERTING A RESISTANCE - An electric switch for application to high- and very high-voltage circuit breakers and switches comprising a flexible toroidal helical spring ( | 05-16-2013 |
20130233831 | HYBRID CIRCUIT BREAKER HAVING A SWITCH WITH RETURN ON CLOSURE - A hybrid circuit breaker for use in the field of medium- and high-voltage hybrid circuit breakers comprising an arc-control device ( | 09-12-2013 |