Patents Assigned to Ecole polytechnique fédérale de Lausanne (EPFL)
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Patent number: 10332689Abstract: The present invention relates to photoanodes, solar cells and methods and processes for producing the same. In some embodiments, the solar cells of the invention can do without a sintered nanoporous scaffold layer, making it possible to produce the solar cells in low-temperature procedures. In some embodiments, the invention encompasses organic-inorganic perovskite sensitizers, deposited on a smooth metal oxide layer. In some embodiments, the organic-inorganic perovskite sensitizers are deposited in a two-step sequential process.Type: GrantFiled: June 27, 2014Date of Patent: June 25, 2019Assignee: Ecole Polytechnique Federale de Lausanne (EPFL)Inventors: Yella Aswani, Mohammad Khaja Nazeeruddin, Michael Graetzel
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Patent number: 10334163Abstract: 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 center-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 center, 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.Type: GrantFiled: February 24, 2015Date of Patent: June 25, 2019Assignee: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)Inventors: Ömer Cogal, Yusuf Leblebici
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Patent number: 10325072Abstract: 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.Type: GrantFiled: June 26, 2017Date of Patent: June 18, 2019Assignee: Ecole Polytechnique Federale De Lausanne (EPFL)Inventors: Ricardo Daniel Rita Beira, Lionel Flaction
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Patent number: 10321488Abstract: The present invention concerns a method for a communication device to transmit a data packet in a wireless communication system. The method comprises: determining a first set of transmission parameters comprising a first central transmission frequency and a first spectral bandwidth; transmitting a first data packet by applying the first set of transmission parameters; determining whether or not the first data packet collided with a second data packet from a second communication device; determining 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 a second data packet by applying the second set of transmission parameters.Type: GrantFiled: May 24, 2017Date of Patent: June 11, 2019Assignee: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)Inventors: Julien Herzen, Patrick Thiran, Albert Banchs, Vsevolod Shneer
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Patent number: 10308500Abstract: 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.Type: GrantFiled: May 23, 2016Date of Patent: June 4, 2019Assignee: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)Inventors: Georg Ernest Fantner, Jonathan David Adams, Nahid Hosseini
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Patent number: 10300279Abstract: 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. The implantable stimulation unit has an array of electrodes disposed on one or more flexible substrates configured to conform to a patient's anatomy at the pelvic plexus. Post-implantation, the physician controller may direct the stimulation unit to stimulate with select electrode(s) of the array to determine which electrode configuration provides optimal sexual arousal. The patient controller may be used to cause the stimulation unit to stimulate using the optimal electrode configuration at desired times.Type: GrantFiled: October 25, 2017Date of Patent: May 28, 2019Assignee: Ecole Polytechnique Federale De Lausanne (EPFL)Inventors: Rodrigo Araujo Fraga {grave over (d)}a Silva, Nikolaos Stergiopulos
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Patent number: 10297436Abstract: 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.Type: GrantFiled: April 14, 2015Date of Patent: May 21, 2019Assignee: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)Inventors: Yury Tsybin, Anton Kozhinov, Konstantin Nagornov
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Patent number: 10288667Abstract: A method for a faulted line identification in a power network, including, at a generic time-instant, solving a plurality of parallel phasor measurement units based real-time state estimators, the state estimators having among each other different and augmented network topologies, each of the augmented network topologies comprises an original network topology, which includes a plurality of real buses and real lines forming a connected graph mapping the real network topology, and a single additional virtual bus located along one of the real lines, the line in which the virtual bus is located has to be different for each of the augmented network topologies.Type: GrantFiled: May 19, 2016Date of Patent: May 14, 2019Assignee: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)Inventors: Marco Pignati, Lorenzo Zanni, Paolo Romano, Mario Paolone
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Patent number: 10286555Abstract: A method for inducing the feeling of a presence (FoP) in a subject by using a master-slave robotic system, the method including the steps of altering a visual perception of a surrounding environment of the subject, connecting the subject with a robotic master device so that the subject can move, move on or manipulate the robotic master device, connecting the subject with a robotic slave device, making the subject move, move on or manipulate the robotic master device so that the subject is directly or indirectly touched by the robotic slave device according to a movement of the robotic master device, wherein the robotic master device and the robotic slave device are operatively connected so that the subject receives at least one of spatially and temporally conflicting sensorimotor stimulation.Type: GrantFiled: December 18, 2015Date of Patent: May 14, 2019Assignee: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)Inventors: Giulio Rognini, Olaf Blanke, Masayuki Hara
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Publication number: 20190133698Abstract: A novel mechanical system, based on a new cable driven mechanical transmission, able to provide sufficient dexterity, stiffness, speed, precision and payload capacity to actuate multi-DOF micro-manipulators. Besides the possibility of being used in several articulated surgical instruments and robotic systems for surgery or other applications involving remote manipulation, it enables the design of a novel fully mechanical surgical instrument, which offer the advantages of conventional laparoscopy (low cost, tactile feedback, high payload capacity) combined with the advantages of single port surgery (single incision, scarless surgery, navigation through several quadrants of the abdominal cavity) and robotic surgery (greater degrees of freedom, short learning curve, high stiffness, high precision, increased intuition).Type: ApplicationFiled: October 5, 2018Publication date: May 9, 2019Applicant: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)Inventors: Ricardo Daniel Rita BEIRA, Reymond CLAVEL, Hannes BLEULER
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Patent number: 10279177Abstract: 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. Such system advantageously enables effective control of nervous system functions in the subject by stimulating the spinal cord, such as the dorsal roots of the spinal cord, with spatiotemporal selectivity.Type: GrantFiled: August 4, 2017Date of Patent: May 7, 2019Assignee: Ecole Polytechnique Federale De Lausanne (EPFL)Inventors: Jocelyne Bloch, Grégoire Courtine, Nikolaus Wenger, Silvestro Micera, Marco Capogrosso
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Patent number: 10279167Abstract: The present disclosure provides a closed-loop system for real-time control of epidural and/or subdural electrical stimulation comprising electrodes for applying to a subject neuromodulation with adjustable stimulation parameters, the electrodes 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 the electrodes said and providing the electrodes with new stimulation parameters, with minimum delay. The system of the disclosure improves consistency of walking in a subject with a neuromotor impairment.Type: GrantFiled: September 27, 2017Date of Patent: May 7, 2019Assignee: Ecole Polytechnique Federale De Lausanne (EPFL)Inventors: Grégoire Courtine, Nikolaus Wenger, Eduardo Martin Moraud, Silvestro Micera, Marco Bonizzato
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Patent number: 10283336Abstract: 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 (?) 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 (?), thereby recording a two dimensional dependency of the detected signal (I) on m/z and irradiation wavelength (?); 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.Type: GrantFiled: October 13, 2015Date of Patent: May 7, 2019Assignees: Thermo Fisher Scientific (Bremen) GmbH, Ecole Polytechnique Federale De Lausanne (EPFL)Inventors: Alexander Makarov, Oleg Boyarkine, Vladimir Kopysov
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Patent number: 10274420Abstract: 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.Type: GrantFiled: July 24, 2015Date of Patent: April 30, 2019Assignee: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)Inventors: Yosef Akhtman, Dragos Constantin
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Patent number: 10274481Abstract: The present invention relates to use of inhibitors of Notch signalling pathway selected from the group consisting of 6-(4-Tert-Butylphenoxy)Pyridin-3-Amine (I3), its derivatives, in treating and/or preventing cancers.Type: GrantFiled: February 8, 2016Date of Patent: April 30, 2019Assignee: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)Inventors: Freddy Radtke, Rajwinder Lehal, Viktoria Reinmüller, Jieping Zhu
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Patent number: 10265525Abstract: The present invention 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 invention improves consistency of walking in a subject with a neuromotor impairment.Type: GrantFiled: October 29, 2014Date of Patent: April 23, 2019Assignee: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)Inventors: Gregoire Courtine, Nikolaus Wenger, Eduardo Martin Moraud, Silvestro Micera, Marco Bonizzato
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Patent number: 10270529Abstract: A soliton generation apparatus comprising: an optical resonator; a pumping laser for providing light at a pumping wavelength into the optical resonator; a generator for generating multiple solitons in the optical resonator; a detuning device for changing the wavelength detuning between the pumping laser wavelength and an optical resonance wavelength of the optical resonator to remove at least one soliton of the generated multiple solitons to provide (i) a plurality of solitons that comprises at least one less soliton than that of the generated multiple solitons or (ii) a single soliton in the optical resonator.Type: GrantFiled: January 16, 2017Date of Patent: April 23, 2019Assignee: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)Inventors: Maxim Karpov, Victor Brasch, Tobias Kippenberg
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Patent number: 10265415Abstract: Peptides that specifically bind erythrocytes are described. These are provided as peptidic ligands having sequences that specifically bind, or as antibodies or fragments thereof that provide specific binding, to erythrocytes. The peptides may be prepared as molecular fusions with therapeutic agents, tolerizing antigens, or targeting peptides. Immunotolerance may be created by use of the fusions and choice of an antigen on a substance for which tolerance is desired.Type: GrantFiled: February 23, 2018Date of Patent: April 23, 2019Assignee: École Polytechnique Fédérale de Lausanne (EPFL)Inventors: Jeffrey A. Hubbell, Stephan Kontos, Karen Y. Dane
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Patent number: 10252795Abstract: 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. Moreover, the foldable cage includes a rods that form isosceles triangles. The rods are coupled together by flexible joints.Type: GrantFiled: April 8, 2016Date of Patent: April 9, 2019Assignee: Ecole Polytechnique Federale de Lausanne (EPFL)Inventors: Przemyslaw Mariusz Kornatowski, Stefano Mintchev, Dario Floreano
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Patent number: 10240688Abstract: 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.Type: GrantFiled: June 28, 2017Date of Patent: March 26, 2019Assignee: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)Inventors: Nadine Besse, Juan Josë Zarate, Samuel Rosset, Herbert Shea