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Gwenael
Gwenael Doerr, Rennes FR
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Gwenael Doerr, Cesson Sevigne FR
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Gwenael Doulin, Beynost FR
| Patent application number | Description | Published |
|---|---|---|
| 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 Doulin, Chartres FR
| Patent application number | Description | Published |
|---|---|---|
| 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 Hingouet, Saint Cyr Sur Loire FR
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Gwenael Marquezin, Villeurbanne FR
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Gwenael Morichaud, Lyon FR
| Patent application number | Description | Published |
|---|---|---|
| 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
| Patent application number | Description | Published |
|---|---|---|
| 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 |