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Ecole Polytechnique Federale De Lausanne epfl
Ecole Polytechnique Federale De Lausanne
Ecole Polytechnique Federale De Lausanne Epfl
Ecole Polytechnique Federale De Lausanne epfl Epfl tto
Ecole Polytechnique Federale De Lausanne epel
Ecole Polytechnique Federale De Lausanne Service Des Relations Industrielles sri
Ecole Polytechnique Federale De Lausanne Epfl_20100114
Ecole Polytechnique Federale De Lausanne epfl_20100128
Ecole Polytechnique Federale De Lausanne_20100121
Ecole Polytechnique Federale De Lausanne_20100114
Ecole Polytechnique Federale De Lausanne epflp
Ecole Polytechnique Federale De Lausanne epfl_20131212
Ecole Polytechnique Federale De Lausanne epfl_20100107

Ecole Polytechnique Federale De Lausanne patents


Recent patent applications related to Ecole Polytechnique Federale De Lausanne. Ecole Polytechnique Federale De Lausanne is listed as an Agent/Assignee. Note: Ecole Polytechnique Federale De Lausanne may have other listings under different names/spellings. We're not affiliated with Ecole Polytechnique Federale De Lausanne, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "E" | Ecole Polytechnique Federale De Lausanne-related inventors


 new patent  Multilayer mems cantilevers

The present invention relates to a cantilever or membrane comprising a body and an elongated beam attached to the body. The elongated beam includes a first layer comprising a first material, a second layer comprising a second material having an elastic modulus different to that of the first material, a third layer comprising a third material having an elastic modulus different to that of the first material, where the first layer is sandwiched between the second layer and the third layer.. ... Ecole Polytechnique Federale De Lausanne

 new patent  Device and method for injection, photoactivation and solidifaction of liquid embolic material in the vascular system or other organic cavities

The present invention concerns an organic cavity injection device including an injection cannula for injecting a photo-activatable substance inside an organic cavity; at least one element or a plurality of elements configured to control the removal of a resident substance from the organic cavity and simultaneously prevent removal of the non-activated photo-activatable substance from the organic cavity; and an optical waveguide for providing electromagnetic radiation inside the organic cavity to the photo-activatable substance to photoactive the photo-activatable substance inside the organic cavity.. . ... Ecole Polytechnique Federale De Lausanne

Magnetic-photoconductive material, magneto-optical data storage device, magneto-optical data storage system, and light-tunable microwave components comprising a photoconductive-ferromagnetic device

The present invention concerns a magnetic-photoconductive material including orientable magnetic moments or spins, the material being configured to generate photo-carriers permitting to orientate or re-orientate the magnetic moments or spins at a material temperature less than the curie temperature (tc) or curie point.. . ... Ecole Polytechnique Federale De Lausanne

Novel lnhibitors of the enzyme activated factor xii (fxiia)

The present invention relates to a bicyclic inhibitor of the coagulation enzyme activated factor xii (fxiia) comprising or consisting of the peptide) (x1)(x2)(x3)n(x4)rl(x5)(x6)m(x7)(x9)l(x10)(x11)(x12)(x13)(x14)k(x15)(x16), wherein (x1) is present or absent and, if present, is an amino acid; (x2) is an amino acid with a side chain; (x3) is an amino acid and n is between 0 and 3, preferably 0 or 1 and most preferably 0; (x4) is an aliphatic l-amino acid or a cyclic l-amino acid, preferably l, p or an aromatic l-amino acid, and most preferably an aromatic l-amino acid; (x5) is an amino acid; (x6) is an amino acid and m is between 0 and 3, preferably 0 or 1 and most preferably 0; (x7) is an amino acid with a side chain; (x9) is an amino acid and l is between 0 and 3, preferably 0 or 1 and most preferably 0; (x10) is an amino acid; (x11) is an amino acid, preferably q; (x12) is a hydrophobic l-amino acid, preferably an aliphatic l-amino acid, and is most preferably l; (x13) is an amino acid; (x14) is an amino acid and k is between 0 and 3, preferably 0 or 1 and most preferably 0, (x15) is an amino acid with a side chain; and (x16) is present or absent and, if present, is an amino acid; and wherein the side chains of (x2), (x7) and (x15) are connected via a connecting molecule, said connecting molecule having at least three functional groups, each functional group forming a covalent bond with one of the side chains of (x2), (x7) and (x15).. . ... Ecole Polytechnique Federale De Lausanne

Two-phase calibration of a neuroprosthetic system

Methods and systems are provided for triggering electrical stimulation of a spinal cord during execution of a motor event. In one example, a method comprises monitoring motor cortex activity while execution of a desired motor movement is attempted during a first mode where one or more nerve fibers are not stimulated, and during a second mode where the one or more nerve fibers are stimulated. ... Ecole Polytechnique Federale De Lausanne

Method and device of using a scanning probe microscope

A scanning probe microscope for high-speed imaging and/or nanomechanical mapping. The microscope comprises a scanning probe comprising a cantilever with a tip at the distal end; and means for modulating a tip-sample distance separating the tip from an intended sample to be viewed with the microscope, the means for modulating being adapted to provide a direct cantilever actuation.. ... Ecole Polytechnique Federale De Lausanne

Theta laser

An unidirectional short-wave infrared fiber laser, comprising a theta cavity, with a gain unit based on rare-earth cations-doped fiber, the theta cavity having a ring cavity with two additional 2 input ports×2 output ports directional couplers dc1 and dc2 inserted therein, one port of the directional coupler dc1 connected to another port of the directional coupler dc2, forming an s-shaped feedback; a band-pass filter to select at a laser wavelength by filtering through transmission inside the theta cavity, the band-pass filter is one of the list comprising a grating-based filter, a fabry-perot etalon, and a phase shifted fiber-bragg grating; and a reflective fiber bragg grating (fbg) to select the laser wavelength by filtering through reflection inside the theta cavity, the bragg grating is a notch filter, and the fiber bragg grating (fbg) is attached to an unused port of the directional coupler dc1 or dc2.. . ... Ecole Polytechnique Federale De Lausanne

Reconstruction and simulation of neocortical microcircuitry

Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for reconstructing and simulating neocortical microcircuitry. In one aspect, a method includes providing a model of neural tissue, the model including different types of neural cells and dynamic synaptic interconnections between the neural cells, changing a parameter in the model; and identifying a change in a computational state of the model of the neural tissue responsive to the change in the parameter. ... Ecole Polytechnique Federale De Lausanne

Functional optical coherent imaging

A functional optical coherent imaging (foci) platform includes at least one active camera unit (acu) having a coherent and/or a partially coherent light source, and means for spectral filtering and imaging a selected body area of interest; an image processing unit (ipu) for pre-processing data received from an acu; at least one stimulation unit (stu) transmitting a stimulation to a subject; at least one body function reference measurement unit (bfmu); a central clock and processing unit (ccu), with interconnections to the acu, the ipu, the stu, for collecting pre-processed data from the ipu, stimuli from the stu body function reference data from the bfmu in a synchronized manner; a post-processing unit (statistical analysis unit. Sau); and an operator interface (hod. ... Ecole Polytechnique Federale De Lausanne

Method, system, and device for learned invariant feature transform for computer images

A method for training a feature detector of an image processing device, including the steps of detecting features in the image to generate a score map, computing a center of mass on the score map to generate a location, extracting a patch from the image at the location by a first spatial transformer, estimating an orientation of the patch, rotating the patch in accordance with the patch orientation with a second spatial transformer, and describing the rotated patch to create a description vector.. . ... Ecole Polytechnique Federale De Lausanne

Devices, systems, and methods for dispensing and analyzing particles

The present invention relates to a pipette tip comprising a thin holed membrane at its distal end, which is designed to be adapted with a system comprising at least an impedance analyser and a fluidic actuator to perform the dispensing and analysis of particles comprised within a conductive medium by exploiting the coulter counter principle. The pipette tip can comprise attached or floating electrodes at its internal or external side for creating an electrical circuit. ... Ecole Polytechnique Federale De Lausanne

System to deliver adaptive epidural and/or subdural electrical spinal cord stimulation to facilitate and restore locomotion after a neuromotor impairment

The present disclosure provides a closed-loop system for real-time control of epidural and/or subdural electrical stimulation comprising means for applying to a subject neuromodulation with adjustable stimulation parameters, said means being operatively connected with a real-time monitoring component comprising sensors continuously acquiring feedback signals from said subject, said signals being neural signals and/or signals providing features of motion of said subject, said system being operatively connected with a signal processing device receiving said feedback signals and operating real-time automatic control algorithms, said signal processing device being operatively connected with said means and providing said means with new stimulation parameters, with minimum delay. The system of the disclosure improves consistency of walking in a subject with a neuromotor impairment. ... Ecole Polytechnique Federale De Lausanne

Signal processing apparatus and method for transmitting and receiving coherent parallel optical signals

A signal processing apparatus, being configured for transmitting and receiving coherent parallel optical signals, comprises a transmitter apparatus including a first single soliton micro-resonator device and a modulator device, wherein the first single soliton micro-resonator device is adapted for creating a single soliton providing a first frequency comb, wherein the first frequency comb provides a plurality of equidistant optical carriers with a frequency spacing corresponding to a free spectral range of the first single soliton micro-resonator device, and the modulator device is adapted for modulating the optical carriers according to data to be transmitted, and a receiver apparatus including a coherent receiver device with a plurality of coherent receivers and a local oscillator device providing a plurality of reference optical signals, wherein the coherent receiver device and the local oscillator device are arranged for coherently detecting the transmitted modulated optical carriers, wherein the signal processing apparatus further includes at least one second single soliton micro-resonator device having a free spectral range being equal or approximated to the free spectral range of the first single soliton micro-resonator device and being adapted for creating at least one single soliton providing at least one second frequency comb, wherein the at least one second frequency comb provides at least one of additional optical carriers and the reference optical signals. Furthermore, a signal processing method, including transmitting and receiving coherent parallel optical signals via a communication channel is described.. ... Ecole Polytechnique Federale De Lausanne

Radiography appliance comprising a movable arm

The invention relates to a radiography appliance comprising a column and a movable arm mounted such that it slides along the column and rotates about an axis oriented perpendicularly to the main direction of the column, one end of the arm comprising a detector and the other end a radiation source. The appliance is characterised in that it comprises means for locking the arm against rotation and/or against translation.. ... Ecole Polytechnique Federale De Lausanne

03/15/18 / #20180070869

Bio-fluid collection and sensing device, system and method

An on-body wearable bio-fluid collection and sensing device including an interface or interface surface comprising at least one biocompatible material for contacting a bodily part; at least one inlet for receiving the bio-fluid, at least one outlet for evacuating the bio-fluid, a plurality of semiconductor sensors configured to analyze the received bio-fluid, at least one reference electrode for biasing a bio-fluid gate of at least one of the semiconductor sensors, and at least one micro-fluidic or nano-fluidic channel in fluid communication with the at least one inlet, the at least one outlet and the at least one reference electrode; the at least one micro-fluidic or nano-fluidic channel includes the plurality of semiconductor sensors.. . ... Ecole Polytechnique Federale De Lausanne

02/22/18 / #20180051016

2-homopiperazine-1-yl-4h-1,3-benzothiazine-4-one derivatives and process for the preparation of 2- (homo)piperazine 1,3-benzothiazine-4-one hydrochlorides

2-homopiperazine-1-yl-4h-1, 3-bensothiazine-4-one derivatives of formula (i) are provided. They are useful in the treatment of bacterial infections, in particular tuberculosis, buruli ulcer and leprosy. ... Ecole Polytechnique Federale De Lausanne

02/15/18 / #20180045542

A method for reducing noise in measurements taken by a distributed sensor

A method of sensing including the steps of, (a) acquiring measurement values using a distributed optical fibre sensor; (b) arranging the measurement values in a matrix having at least two dimensions; (c) transforming each measurement value in the matrix to a corresponding pixel value on a predefined scale of pixel values and forming an image with pixels having the corresponding pixel values, wherein each pixel in the image is positioned at a position in the image corresponding to the position of the measurement value in the matrix; (d) processing the image using an image processing algorithm so as to reduce noise in the image to provide processed image; (e) transforming each pixel value of pixels in the processed image to values to provide measurement values with reduced noise.. . ... Ecole Polytechnique Federale De Lausanne

02/15/18 / #20180043164

Systems and methods for treating sexual disorders using electro-stimulation

Systems and methods are provided for treating a sexual disorder such as erectile dysfunction (ed) or female sexual arousal disorder (fsad). An electrical stimulation system may include an implantable stimulation unit, an external patient controller, and an external physician controller. ... Ecole Polytechnique Federale De Lausanne

02/08/18 / #20180038461

Planar pop-up actuator device with embedded electro-magnetic actuation

A planar actuator device, including a base plate including a first, second, and third pair of planar coils, each pair of planar coils having an inner coil and an outer coil, each pair of planar coils arranged along a first, second, and third linear motion axis, respectively, the first, second, and third linear motion axis arranged in a star configuration, and an actuation mechanism including a first, second, and third planar legs and a centerpiece, the first, second and third planar legs pivotably connected to the centerpiece, the planar legs including a first, second, and third sliding element and a first, second, and third middle section, respectively, a sliding element and middle section of a respective leg pivotably connected to each other, each sliding element including a permanent magnet.. . ... Ecole Polytechnique Federale De Lausanne

02/01/18 / #20180031376

Systems and methods for computing and displaying navigation indicators based on historic and real-time vessel data

System and methods for computing true wind and true current are described. True wind estimation occurs through automatic calibration of data obtained from data acquisition devices (102, 114, 116, 118, 120). ... Ecole Polytechnique Federale De Lausanne

01/11/18 / #20180012659

Tunnel fet based non-volatile memory boosted by vertical band-to-band tunneling

A tunnel field effect transistor (tfet), including a source region, a gate region, a channel region, and a drain region, the gate region including a gate stack, wherein an area of the source region that is facing the channel region is overlapped by the gate stack.. . ... Ecole Polytechnique Federale De Lausanne

01/11/18 / #20180011949

Method of identifying technical design solutions

The present invention concerns a method for generating technical design solutions satisfying a given performance target for a building. The method comprises: selecting a design model for the building; selecting a first set of design parameters from a first database; qualifying and/or quantifying the design parameters in the first set; generating a first set of design parameter combinations from the first set of design parameters; attributing the first set of design parameter combinations to the design model to obtain a first set of design alternatives; accessing a second database to determine the impact of the first set of design alternatives on a performance of the building; and ranking the first set of design parameters according to their contribution to the performance of the building.. ... Ecole Polytechnique Federale De Lausanne

01/11/18 / #20180009692

Apparatus for salt separation under supercritical water conditions

Apparatus for salt separation (2) under supercritical water conditions, comprising a heat exchanger (4) and a fluidized bed reactor (6). The fluidized bed reactor comprising a supercritical water pressure containing wall (8) defining therein a fluidized bed chamber (10) connected to an inlet system (16) at one end thereof and an outlet system (18) configured to separate solids from supercritical fluid at another end thereof. ... Ecole Polytechnique Federale De Lausanne

01/04/18 / #20180003319

Device having a plurality of latching micro-actuators and method of operating the same

An actuator device including a plurality of transducer actuators, and a common pneumatic actuation mechanism for shaping the plurality of transducer actuators, wherein each actuator of the plurality of transducer actuators includes a shape memory polymer membrane, an integrated stretchable heater, and a pressure interface to the common pneumatic actuation mechanism.. . ... Ecole Polytechnique Federale De Lausanne

01/04/18 / #20180001081

Synthetic skin for recording and modulating physiological activities

A method produces a device adapted to be implanted into the human body for purposes such as neural stimulation, sensing or the like. The method includes: providing a stretchable layer or membrane of an insulating material; forming on the layer or membrane at least one stretchable conductive path; depositing at least one small bolus of a soft and conductive paste or material onto pre-defined areas or portions of the at least one conductive path, and inserting a first end portion of a conductive element 71 into the at least one bolus of soft conductive paste or material. ... Ecole Polytechnique Federale De Lausanne

12/28/17 / #a compound having the following formula:

Ecole Polytechnique Federale De Lausanne (epfl)

. . ... Ecole Polytechnique Federale De Lausanne

12/28/17 / #20170371306

System and method for dispatching an operation of a distribution feeder with heterogeneous prosumers

A method for dispatching an operation of a distribution feeder of electrical power into a grid with heterogeneous prosumers, the method comprising the steps of establishing a dispatch plan on a computer by using forecast data of an aggregated consumption and local distributed generation at the grid for a predetermined period, and operating the distribution feeder according to the established dispatch plan during the predetermined period.. . ... Ecole Polytechnique Federale De Lausanne

12/28/17 / #20170368330

System for active skull replacement for brain interface and method of using the same

An active skull replacement system including an implant having an area a, an upper surface, and a bottom surface, adapted to be implanted at least in part into a skull of a subject so to substitute a portion of the skull, the bottom surface arranged to face at least in part a cranial cavity, and having a first wireless bidirectional data communication device, a device operably connected to the bottom surface of the implant, the device adapted to at least one of stimulate a physiological response and record a physiological parameter of the subject, and an external reader adapted to be placed on the scalp of the subject and including a second wireless bidirectional data communication device configured to communicate with the first wireless bidirectional data communication device of the implant to operate the device, wherein the external reader and the implant are fixed and aligned among each other through a magnetic device.. . ... Ecole Polytechnique Federale De Lausanne

12/21/17 / #20170360853

Gastro-intestinal biomarkers for diagnosis and therapies of proteinopathies

Pharmaceutical composition for the treatment of proteinopathies comprising products which are able to stimulate growth or inhibition of at least one of odoribacter, oscillospira, dehalobacterium, alistipes, parabacteroides, lactobacillus and sutterella, firmicutes, bacteroidetes, allobaculum and akkermansia bacteria population in the gut of individuals.. . ... Ecole Polytechnique Federale De Lausanne

12/14/17 / #20170357736

System and method for defining watertight and locally refinable surfaces with interpolatory control points

A method for creating a watertight boundary between two graphical elements including the steps of displaying a first surface having a first shape and a second surface having a second shape on the display, an open space existing between the first surface and the second surface, defining a first region of the first surface, and defining a second region of the second surface, and modifying the first surface to a modified first surface such that the first region matches with the second region and the modified first surface and the second surface form a watertight connection at a modified first region and the second region, the step of modifying including geometrically matching the first region of the first surface with the second region of the second surface to establish the modified first region.. . ... Ecole Polytechnique Federale De Lausanne

12/14/17 / #20170354819

System for selective spatiotemporal stimulation of the spinal cord

The present disclosure refers to systems for electrical neurostimulation of a spinal cord of a subject in need of nervous system function support. In one example, a system comprises a signal processing device configured to receive signals from the subject and operate signal-processing algorithms to elaborate stimulation parameter settings; one or more multi-electrode arrays suitable to cover a portion of the spinal cord of the subject; and an implantable pulse generator (ipg) configured to receive the stimulation parameter settings from the signal processing device and simultaneously deliver independent current or voltage pulses to the one or more multiple electrode arrays, wherein the independent current or voltage pulses provide multipolar spatiotemporal stimulation of spinal circuits and/or dorsal roots. ... Ecole Polytechnique Federale De Lausanne

12/07/17 / #20170348181

System for adjusting pressure locally on the skin and subcutaneous tissue

The invention relates to a system for adjusting pressure locally acting on the skin. Said system includes a set of adjacent modules distributed so as to form a layer. ... Ecole Polytechnique Federale De Lausanne

11/30/17 / #20170347377

Csma/ca in time and frequency domains

The present invention concerns a method for a communication device to transmit a data packet in a wireless communication system. The method comprises: determining (21) a first set of transmission parameters comprising a first central transmission frequency and a first spectral bandwidth; transmitting (33) a first data packet by applying the first set of transmission parameters; determining (35) whether or not the first data packet collided with a second data packet from a second communication device; determining (37) a second set of transmission parameters, which in case of collision comprises a second central transmission frequency, different from the first central transmission frequency, and a second spectral bandwidth, which is different from the first spectral bandwidth with a first, non-zero probability and the same as the first spectral bandwidth with a second probability; and transmitting (33) a second data packet by applying the second set of transmission parameters.. ... Ecole Polytechnique Federale De Lausanne

11/30/17 / #20170345858

One transistor active pixel sensor with tunnel fet

A tunneling field effect transistor for light detection, including a p-type region connected to a source terminal, a n-type region connected to a drain terminal, an intrinsic region located between the p-type region and the n-type region to form a p-i junction or an n-i junction with the n-type region or the p-type region, respectively, a first insulating layer and a first gate electrode, the first gate electrode covering a portion of the intrinsic region on one side, and a second insulating layer and a second gate electrode, the second insulating layer and the second gate electrode covering an entire other side of the intrinsic region opposite to the one side, wherein an area of the intrinsic region that is not covered by the first gate electrode forms a non-gated intrinsic area configured for light absorption.. . ... Ecole Polytechnique Federale De Lausanne

11/16/17 / #20170326018

Apparatus and method for restoring voluntary control of locomotion in neuromotor impairments

It is disclosed an apparatus for restoring voluntary control of locomotion in a subject suffering from a neuromotor impairment comprising a multidirectional trunk support system and a device for epidural electrical stimulation. The robotic interface is capable of evaluating, enabling and training motor pattern generation and balance across a variety of natural walking behaviors in subjects with neuromotor impairments. ... Ecole Polytechnique Federale De Lausanne

11/16/17 / #20170325719

Apparatus and method for restoring voluntary control of locomotion in neuromotor impairments

It is disclosed an apparatus for restoring voluntary control of locomotion in a subject suffering from a neuromotor impairment comprising a multidirectional trunk support system and a device for epidural electrical stimulation. The robotic interface is capable of evaluating, enabling and training motor pattern generation and balance across a variety of natural walking behaviors in subjects with neuromotor impairments. ... Ecole Polytechnique Federale De Lausanne

11/09/17 / #20170319746

A method for building a structure containing living cells

A composition comprising a first material and a second material, wherein said first material is cross-linkable by a first cross-linking reaction and said second material is cross-linkable by a second cross-linking reaction, wherein said first cross-linking reaction and said second cross-linking reaction are inducible by a common activator.. . ... Ecole Polytechnique Federale De Lausanne

10/26/17 / #20170308667

Mechanical teleoperated device for remote manipulation

A mechanical teleoperated device for remote manipulation includes a slave unit having a number of slave links interconnected by a plurality of slave joints; an end-effector connected to the slave unit; a master unit having a corresponding number of master links interconnected by a plurality of master joints; and a handle connected to a distal end of the master unit. The device further includes first device arranged to kinematically connect the slave unit with the master unit, second device arranged to kinematically connect the end-effector with the handle, and a mechanical constraint device configured to ensure that one master link of the master unit is guided along its longitudinal axis so that the corresponding slave link of the slave unit always translates along a virtual axis parallel to the longitudinal axis of the guided master link in the vicinity of the remote manipulation when the mechanical teleoperated device is operated.. ... Ecole Polytechnique Federale De Lausanne

10/26/17 / #20170307474

Method and apparatus for measuring the local birefringence along an optical waveguide

This invention relates to a system and method to determine the distributed birefringence profile along an optical fibre. Birefringence manifests as different refractive indices for two orthogonal states of polarization of the light propagating in the optical fibre. ... Ecole Polytechnique Federale De Lausanne

10/12/17 / #20170291697

Foldable aircraft with protective cage for transportation and transportability

An aerial vehicle, configured to transport cargo, and including a propulsion system and a foldable cage is described. The foldable cage is substantially linear while in a folded configuration, and substantially circular while in a deployed configuration. ... Ecole Polytechnique Federale De Lausanne

10/05/17 / #20170284919

Gas sensor

Gas sensor (2) for measuring properties of a gas (1), including a gas viscosity sensor (4) comprising a gas interface portion (20) in contact with the gas (1) to be measured, and a measuring chamber system (15) comprising a measuring chamber (16), a first resistive passage (18) fluidically connecting the measuring chamber (16) to the gas interface portion (20), a pressure generator (25) configured to generate a change in pressure in the measuring chamber, and a pressure sensor (28) configured to measure a time dependent variation in pressure of gas in the measuring chamber, the time dependent variation of pressure in the measuring chamber due to flow of gas through the resistive passage being correlated to a viscosity of the gas. The gas viscosity sensor further comprises a reference chamber system (21) comprising a reference chamber and a second resistive passage (24) fluidically interconnecting the reference chamber (22) to the gas interface portion (20), the reference chamber (22) being coupled to the pressure sensor (28) of the measuring chamber such that the pressure sensor is configured to measure a differential pressure between a pressure in the measuring chamber and a pressure in the reference chamber.. ... Ecole Polytechnique Federale De Lausanne

09/28/17 / #20170274218

Device for photoactivation and reaction monitoring

The present invention relates to a device to photocure and/or photoactivate a photosensitive material. The device comprises several subsystems to transmit light towards an area of interest where a photosensitive material is applied as well as to collect light reflected by the applied photosensitive material. ... Ecole Polytechnique Federale De Lausanne

09/28/17 / #20170273590

Non-invasive drawable electrode for neuromuscular electric stimulation and biological signal sensing

Non-invasive “drawable”, or “paintable”, electrode for electrical stimulation or biological signal sensing comprising a pervious and electrically conductive layer (1), at least one electrically insulating element (2) for maintaining the electrically conductive layer (1) separated from the skin (11), and a conductive material (3) that is deposed using a delivery system (4) on desired areas (5) of the electrically conductive layer (1). The conductive material (3) can penetrate the electrically conductive layer (1) and any other part of the electrode underlying the desired areas (5), thus reaching the skin. ... Ecole Polytechnique Federale De Lausanne

09/21/17 / #20170265978

Capacitive sensor array for dental occlusion monitoring

The invention relates to devices, systems and methods exploiting capacitive means for monitoring and analysing teeth-related parameters in a subject, such as the dental occlusion profile and/or the load/force applied upon clenching. The device comprises a body such as a bite fork or bite splint, capacitive sensor(s) incorporated within a soft substrate reversibly deformable once bitten by a subject and a micro-controller unit. ... Ecole Polytechnique Federale De Lausanne

09/07/17 / #20170256208

Media item relighting technique

The present invention concerns a method of method of relighting a media item comprising media elements. The method comprises, for at least some of the media elements: determining, in a first signal domain, a light transport function describing the appearance of a particular media element under different illumination conditions at least partly defined by positions of a light source used to illuminate the particular media element; sampling, in the first signal domain, the light transport function of the particular media element to obtain discrete data samples of the light transport function; projecting the data samples in the first signal domain into a sampling grid to obtain spatially sparsely and non-uniformly sampled light transport function; interpolating, in a second signal domain, the sparsely and non-uniformly sampled light transport function to obtain an approximate light transport matrix in the second signal domain; converting the approximate light transport matrix into the first signal domain to obtain an approximate substantially uniformly sampled light transport function in the first signal domain; and using, in the first signal domain, the approximate substantially uniformly light transport function to relight the media item.. ... Ecole Polytechnique Federale De Lausanne

09/07/17 / #20170252362

Methods & compounds useful in hematopoietic stem cell medicine

The present invention relates to a specific marker for stem cells having long-term multi-lineage blood reconstitution capability and uses thereof for the preparation of cell composition in view of hematopoietic stem cell medicine and in particular regenerative therapies and bone marrow transplantation. Further, the invention relates to methods and compositions useful in the prevention and/or treatment of decreased blood cell levels and the associated risk of infection.. ... Ecole Polytechnique Federale De Lausanne

08/31/17 / #a microwave to optical conversion device comprising:

Ecole Polytechnique Federale De Lausanne (epfl)

. . ... Ecole Polytechnique Federale De Lausanne

08/24/17 / #20170243728

Method and apparatus for the analysis of molecules using mass spectrometry and optical spectroscopy

A method of analyzing molecules, comprising: generating ions from a sample of molecules; cooling the generated ions below ambient temperature; fragmenting at least some of the cooled ions by irradiating the ions with light at a plurality of different wavelengths (λ) within one or more predetermined spectral intervals; recording a fragment mass spectrum of the fragmented ions comprising a detected signal (i) versus m/z over a predetermined range of m/z values for each of the plurality of different wavelengths (λ), thereby recording a two dimensional dependency of the detected signal (i) on m/z and irradiation wavelength (λ); and determining from the recorded two dimensional dependency an identity of at least one of the generated ions and/or relative abundances of different generated ions and thereby determining an identity of at least of one of the molecules and/or relative abundances of different molecules in the sample.. . ... Ecole Polytechnique Federale De Lausanne

08/17/17 / #20170236289

Scale-adaptive media item segmentation technique

The present invention concerns a method of segmenting a media item comprising media elements. The method comprises: selecting a first seed media element for a first cluster of media elements, referred to hereinafter as a first adaptel; selecting a second seed media element, different from the first seed media element, for a second cluster of media elements, different from the media elements of the first adaptel, the second cluster being referred to hereinafter as a second adaptel; successively forming the first and second adaptels, starting from the first and second seed media elements, respectively, by allocating a first plurality of the media elements to the first adaptel, and then allocating a second plurality of the media elements to the second adaptel; and reallocating at least one media element of the first adaptel to the second adaptel if a dissimilarity measure between the at least one media element and the second adaptel is smaller than the dissimilarity measure between the at least one media element and the first adaptel. ... Ecole Polytechnique Federale De Lausanne

08/17/17 / #20170234891

Agents useful in diagnostic and therapy of beta-amyloid aggregation related disorders and screening methods

The present invention relates to novel fragments of beta-amyloid peptide and molecules binding thereto, as well as the use of said fragments and molecules in a method for prognosing/diagnosing and/or preventing/treating beta-amyloid aggregation related disorders.. . ... Ecole Polytechnique Federale De Lausanne

07/20/17 / #20170205337

Compact multifunctional system for imaging spectroscopy

A method for obtaining spectral imaging data comprises at least the steps of receiving a sample set of data generated by sampling a spectral property of an image of an object in a spatial basis, wherein the sampling of the spectral property of the image of the object comprises providing a spectral filter array (sfa) by arranging a plurality of sfa elements together to form a surface; configuring each sfa element of the plurality of sfa elements to filter one or more spectral bandwidths centered each at specific wavelengths corresponding to that sfa element, whereby all of the plurality of sfa elements taken together cover a determined spectral range; and setting the specific wavelengths of each sfa element of the plurality of sfa elements on the surface such to obtain a uniform and aperiodic spatial distribution of all of the plurality of sfa elements across the surface. The sampling of the spectral property of the image of the object further comprises providing an image sensor configured to record at each pixel the light filtered by one of the plurality of sfa elements or a subset of the plurality of sfa elements thereby producing one intensity value of light filtered by the one of the plurality of elements or the subset of the plurality of sfa elements per pixel; forming the image of the object on the sfa through a lens or group of lenses; and recording for all of the pixels of the image sensor the spectrally filtered intensity values thereby obtaining a 2-dimensional array of the intensity values corresponding to the image of the object. ... Ecole Polytechnique Federale De Lausanne

06/29/17 / #a method for presenting to a user of a wearable audio device a modified audio scene together with additional information related to the audio scene, comprising:

Ecole Polytechnique Federale De Lausanne (epfl)

. . ... Ecole Polytechnique Federale De Lausanne

06/29/17 / #20170182076

Methods of treating mitochondrial dysfunction

The present invention provides methods of treating various disorders associated with mitochondrial dysfunction, including but not limited to metabolic disorders, neurodegenerative diseases, chronic inflammatory diseases, and diseases of aging.. . ... Ecole Polytechnique Federale De Lausanne

06/22/17 / #20170177750

Majority logic synthesis

A method for optimizing an implementation of a logic circuit, comprising steps of providing an interpretation of the logic circuit in terms of 3 boolean variable majority operators m, with each of the majority operators being a function of a plurality of variables that returns a logic value assumed by more than half of the plurality of variables, and a single boolean variable complementation operator ′. The method further comprises providing a commutativity, a majority (Ω.m), an associativity (Ω.a), a distributivity (Ω.d), an inverter propagation (Ω.i), a relevance (Ψ.r), a complementary associativity (Ψ.c), and a substitution (Ψ.s) transformation; and combining the Ω.m, Ω.c, Ω.a, Ω.d, Ω.i, Ψ.r, Ψ.c and Ψ.s transformations to reduce an area of the logic circuit via (i) a reshaping procedure consisting of the Ω.a, Ω.c, Ω.d, Ω.i, Ψ.r, Ψ.s and Ψ.c transformations, applied either left-to-right or right-to-left moving identical or complemented variables in neighbor locations of the logic circuit, (ii) an elimination procedure consisting of the Ω.m transformation, applied left-to-right, and the Ω.d transformation, applied right-to-left, that simplify redundant operators, or (iii) an iteration of steps (i) and (ii) till a reduction in area is achieved.. ... Ecole Polytechnique Federale De Lausanne

06/22/17 / #20170173326

System for selective spatiotemporal stimulation of the spinal cord

The present disclosure refers to systems for electrical neurostimulation of a spinal cord of a subject in need of nervous system function support. In one example, a system comprises a signal processing device configured to receive signals from the subject and operate signal-processing algorithms to elaborate stimulation parameter settings; one or more multi-electrode arrays suitable to cover a portion of the spinal cord of the subject; and an implantable pulse generator (ipg) configured to receive the stimulation parameter settings from the signal processing device and simultaneously deliver independent current or voltage pulses to the one or more multiple electrode arrays, wherein the independent current or voltage pulses provide multipolar spatiotemporal stimulation of spinal circuits and/or dorsal roots. ... Ecole Polytechnique Federale De Lausanne

06/08/17 / #20170162811

Template enhanced organic inorganic perovskite heterojunction photovoltaic device

The present invention relates to a solid state photovoltaic device including an absorbing layer containing a light harvester and at least one templating agent, with the absorbing layer being prepared in a single step.. . ... Ecole Polytechnique Federale De Lausanne

06/08/17 / #20170158714

Preparation and medical use of triazenes

The present invention relates to a novel method for preparing triazenes. Further, the invention relates to novel triazenes and the use of n2o for preparing a compound comprising a triazene group. ... Ecole Polytechnique Federale De Lausanne

06/01/17 / #20170150872

Reflective optical objective

The present invention relates to a reflective optical objective (1) comprising: —a first reflecting element (3) including a front surface (3a) and a hack surface (3b), the front surface (3a) including a convex reflecting surface (11); and —a second reflecting element (5) including a concave reflecting surface (13) facing the convex reflecting surface (11) of the first reflecting element (3), the second reflecting element (5) including a transmissive section (7) permitting electromagnetic radiation to pass through the concave reflecting surface (13) of the second reflecting element (5) to the first reflecting element (3). The reflective optical objective (1) is characterised in that the reflective optical objective (1) includes a carrier material (9) embedding at least the front surface (3a) of the first reflecting element (3) and defining the distance (d) between the first (3) and second (5) reflecting elements.. ... Ecole Polytechnique Federale De Lausanne

04/20/17 / #20170109650

Learning-based subsampling

The present invention concerns a method of sampling a test signal. The method comprises: acquiring (21) training signals sampled at a plurality of sampling locations; running (23) an optimization procedure for determining an index set of n indices, representing a subset of the sampling locations, that maximize a function, over the training signals, of a quality parameter representing how well a given training signal is represented by the n indices; and sampling (25) the test signal at the sampling locations represented by the n indices.. ... Ecole Polytechnique Federale De Lausanne

04/06/17 / #20170098513

Nanowires of organic-inorganic perovskites

An organic-inorganic perovskite ch3nh3pbi3 nanowire showing a length-width aspect ratio from 5-400 up to 109 and a width-height ratio of 1-100 up to 1-10000. Further, the invention is embodied as a process for making the nanowire wherein at least a polar aprotic solvents is used, the polar aprotic solvent being at least one from the list comprising dmf, dmso, and dmac solvents.. ... Ecole Polytechnique Federale De Lausanne

04/06/17 / #20170096435

Sepiapterin reductase inhibitors

Inhibitors of sepiapterin reductase and uses of sepiapterin reductase inhibitors in analgesia, treatment of acute and chronic pain, anti-inflammation, and immune cell regulation are disclosed.. . ... Ecole Polytechnique Federale De Lausanne

03/30/17 / #20170091945

Point and sensor estimation from images

System comprising at least one sensor configured to take a set of images from different viewpoints of a scene; a processor configured to identifying a point source represented in the images of a set of images; computing for each image of the set of images the subspace of potential locations of the point source in the scene on the basis of the viewpoint or a viewpoint region of the image and on the basis of the subregion of the image representing the point source; and computing a point intersection region of the subspaces of potential locations of the point source of the images of the set of images.. . ... Ecole Polytechnique Federale De Lausanne

03/30/17 / #20170090935

Unified prefetching into instruction cache and branch target buffer

A system and method of coupling a branch target buffer (btb) content of a btb with an instruction cache content of an instruction cache. The method includes: tagging a plurality of target buffer entries that belong to branches within a same instruction block with a corresponding instruction block address and a branch bitmap to indicate individual branches in the block; coupling an overflow buffer with the btb to accommodate further target buffer entries of instruction blocks, distinct from the plurality of target buffer entries, which have more branches than the bundle is configured to accommodate in the corresponding instruction's bundle in the btb; and predicting the instructions or the instruction blocks that are likely to be fetched by the core in the future and fetch those instructions from the lower levels of the memory hierarchy proactively by means of a prefetcher.. ... Ecole Polytechnique Federale De Lausanne

03/30/17 / #20170087670

Method and device for implementing laser shock peening or warm laser shock peening during selective laser melting

A method for manufacturing an object including the steps of forming layers by adding successive layers of material to form the object by selective laser melting (slm), and inducing plastic deformation and residual stress into solidified material of at least one of the successive layers of material to improve mechanical properties and a fatigue resistance of the object, wherein the plastic deformation and the residual stress are induced by a laser.. . ... Ecole Polytechnique Federale De Lausanne

03/23/17 / #20170086301

Method for the electrical passivation of electrode arrays and/or conductive paths in general, and a method for producing stretchable electrode arrays and/or stretchable conductive paths in general

A method produces a conductive paste comprising 15-20% by weight of pdms and 80-85% by weight of metallic micro-nano particles, wherein the conductive paste is obtained by repeated addition of singular doses of pdms to a heptane diluted pdms low viscosity liquid containing the metallic micro-nano particles, wherein the heptane fraction is allowed to evaporate after addition of each of the singular doses of pdms. A method forms a conductive path on a support layer, wherein the conductive path is encapsulated by an encapsulation layer comprising at least one via through which at least one portion of the conductive path is exposed, the method comprising filling the at least one via with the conductive paste.. ... Ecole Polytechnique Federale De Lausanne

03/23/17 / #20170080210

Device for interacting with neurological tissue and methods of making and using the same

Described herein are microelectrode array devices, and methods of fabrication, assembly and use of the same, to provide highly localized neural recording and/or neural stimulation to a neurological target. The device includes multiple microelectrode elements arranged protruding shafts. ... Ecole Polytechnique Federale De Lausanne

03/09/17 / #20170070048

Real-time control of microgrids with explicit power setpoints: unintentional islanding

The invention provides a method for coping with an unintentional islanding of an electrical distribution grid within a commelec-type framework for the real-time control of micro-grids, of resource agents (ra) controlled by grid agents (ga), comprising at least maintain at any time before the unintentional islanding occurs a rating of all resource agents controlled by a same grid agent in view of their ability to be a slack resource, by computing the rating based on a power availability and on a state-of-energy of each resource, the state-of-energy quantifying an amount of energy that may be withdrawn from a potential slack irrespectively of a pq profile, whereby the pq profile describes bounds for active and reactive power that a resource can inject or absorb; and a shedding list of all the resources that have to be shed if a current best candidate slack resource is selected, the current best candidate slack resource being the slack resource having the best rating of all resources as determined in the step of rating all resource agents, the shedding list being obtained by computing from an uncertainty of the resources and a predetermined order of shedding priority. The method further comprises continuously monitor islanding conditions via an available real-time state estimation process, and when an islanding condition is detected, causing the grid agent to shed all resources in the shedding list and choose an initial slack based on the rating obtained before the islanding occurrence from the step of rating of all resource agents.. ... Ecole Polytechnique Federale De Lausanne

03/02/17 / #20170059547

Molecular sensing device

Molecular sensing system including: a sensing device (5) comprising at least one support layer (10), and an active layer (6) mounted on said support layer and having at least one nano-pore (12) configured for translocation of a molecular analyte (18) therethrough; an electrically conducting liquid (4) in contact with the active layer in a region around said nano-pore; and a signal processing circuit (7) comprising an ionic current circuit (8) configured to generate and measure an ionic current (ii) in the electrically conducting liquid influenced by the translocation of the molecular analyte through the nano-pore. The molecular sensing device of the invention allows for single-nucleotide discrimination and detection of the specific sequence within ssdna.. ... Ecole Polytechnique Federale De Lausanne

03/02/17 / #20170056559

Active agent-particle combination supporting bone regeneration

The invention provides for a bioactive composition comprising solid particles, such as e.g. Calcium phosphate particles, loaded with an active agent, preferably an osteoconductive/osteoinductive agent or an anti-resorptive agent like a bisphosphonate. ... Ecole Polytechnique Federale De Lausanne

02/16/17 / #20170042434

Method and device for non-invasive blood pressure measurement

A system for measuring blood pressure of a user that comprises an electrocardiogram (ecg) circuit with at least two ecg electrodes configured to obtain an electrical activity of a heart of the user by measuring the electrical signals detected at the at least two ecg electrodes as an electrocardiogram waveform, and a pulse oximeter circuit configured to obtain a pulse waveform corresponding to a blood flow on user's vessels. The system further comprises a processor that is in electrical contact with the electrocardiogram circuit and the pulse oximeter circuit. ... Ecole Polytechnique Federale De Lausanne

02/02/17 / #20170034523

Media content processing method

The present invention concerns a method of encoding a media bitstream of a media content. The media bitstream comprises a payload portion for the media content, and an overhead portion, different from the payload portion. ... Ecole Polytechnique Federale De Lausanne

02/02/17 / #20170032950

Device and method for ion cyclotron resonance mass spectrometry

The present invention relates to a method and device for measuring m/z ratios of ions in ion cyclotron resonance (icr) mass spectrometry. The described ion traps for icr mass spectrometry are distinct from the previous configurations by having one or many narrow aperture (flat) detection electrodes that could be moved radially inward the icr trap, for example on the plane where radiofrequency excitation potential is minimal, closer to the post-excitation ion trajectories.. ... Ecole Polytechnique Federale De Lausanne

02/02/17 / #20170031144

Compact side and multi angle illumination lensless imager and method of operating the same

A system for subpixel resolution imaging of an amplitude and quantitative phase image, the system including a waveguide having a top plane, a bottom plane, and two sides, an array of light sources emitting first befit beams from one side of the two sides of a waveguide, a holographic photopolymer film positioned on the top plane or the bottom plane of the waveguide and arranged to be illuminated by the first light beams from the array of light sources via the waveguide and to produce second light beams by diffraction, and an imaging device for capturing interference pattern light beams that passed through a sample, the sample arranged to be illuminated by the second light beams.. . ... Ecole Polytechnique Federale De Lausanne

02/02/17 / #20170028626

Compact drop-on-demand apparatus using light actuation through optical fibers

A drop delivery system comprising a light source; an optical waveguide bringing light from the light source; and a liquid supplying means configured to bring a liquid at a tip of the optical waveguide, wherein the light source and the optical waveguide are configured to enable the light to eject a drop of the liquid.. . ... Ecole Polytechnique Federale De Lausanne

01/26/17 / #20170023476

Plasmonic nanohole arrays on hybrid substrate for highly sensitive label-free biosensing

A biosensor device including a metal layer, a transparent substrate layer, and a dielectric layer, wherein the metal layer includes a plurality of sub-wavelength apertures, and wherein the dielectric layer is located between the metal layer and the transparent substrate layer to form a spectrally isolated and well-defined optical transmission resonance through the extraordinary optical transmission (eot) phenomenon.. . ... Ecole Polytechnique Federale De Lausanne

01/26/17 / #20170023472

Apparatus and method for quantitive phase tomography through linear scanning with coherent and non-coherent detection

The disclosed invention describes a new apparatus performing a new data acquisition for quantitative refractive index tomography. It is based on a linear scanning of the specimen, opposed to the classical approaches based on rotations of either the sample or the illumination beam, which are based on the illumination with plane waves, which orientation is successively modified in order to acquire angular information. ... Ecole Polytechnique Federale De Lausanne

01/19/17 / #the present invention relates to an apparatus for imaging a page of a book or other similar document comprising:

Ecole Polytechnique Federale De Lausanne (epfl)

. . ... Ecole Polytechnique Federale De Lausanne

01/19/17 / #20170015168

Vehicle having a high clearing capability

The invention relates to a vehicle which includes at least four wheels and a base. Said wheels are attached in pairs at the base via connections and form a bogie consisting of a pair of wheels. ... Ecole Polytechnique Federale De Lausanne

01/19/17 / #20170014372

Drug combination for treatment of proliferative diseases

Angiogenesis inhibitory drug combination obtained according to a specific algorithm, preferably a fsc, in which an initial combination of drugs is iteratively adjusted. The drug combination according to the invention may advantageously comprise a rapta-c compound. ... Ecole Polytechnique Federale De Lausanne

01/12/17 / #20170013193

Large field of view multi-camera endoscopic apparatus with omni-directional illumination

A multi-camera hemispherical very wide field of view imaging apparatus with omnidirectional illumination capability comprises a cylindrical body (4, 4.a, 4.b), a hemispherical mechanical frame (2) arranged on one end of the cylindrical body (4, 4.a, 4.b), a plurality of imaging channels (3), each imaging channel (3) comprising at least an image sensor and related optics with a fixed focus appropriate for endoscopic imaging, the plurality of imaging channels (3) being distributed over the hemispherical mechanical frame (2), a light source arranged centre-down at a back part of the plurality of imaging channels (3) and inside or at the end of the cylindrical body (4, 4.a, 4.b). Each imaging channel (3) comprises a plurality of lightning channels (1) around their centre, each of the plurality of lightning channels (1) comprising at least one microfiber light guide having a determined angle of curvature arranged to transmit the light from the light source. ... Ecole Polytechnique Federale De Lausanne

01/05/17 / #20170006379

A sound diffusion system for directional sound enhancement

A loudspeaker array is described including several circular sound emitters that are bunked. One circular sound emitter can be either a circular array of loudspeakers (kind 1) or a toroidal loudspeaker (kind 2) the loudspeaker array can be composed of circular sound emitters of kind 1, kind 2 or both. ... Ecole Polytechnique Federale De Lausanne








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