Patents Assigned to Universitat Politècnica De Catalunya
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Patent number: 10022048Abstract: Method, system and computer program for measuring light diffusion in the eyeball or in the ocular region. The method comprises: projecting a punctiform light beam onto the retina; correcting low-order ocular aberrations of the eye; capturing and recording an image of the retinal plane formed after reflection of the punctiform light beam on the retina and a double passage through the ocular media of the eye; and at the same time as capturing the image of the retinal plane, performing a high- and low-order ocular aberration measurement in the plane of the pupil and performing a light diffusion measurement, combining ocular aberration measurement information with information on the image of the retinal plane. The system and the computer program are adapted for implementing the method.Type: GrantFiled: July 29, 2015Date of Patent: July 17, 2018Assignee: UNIVERSITAT POLITECNICA DE CATALUNYAInventors: Jaume Pujol Ramo, Montserrat Arjona Carbonell, Carlos Enrique Garcia Guerra, Mikel Aldaba Arévalo, Meritxell Vilaseca Ricart, Fernando Díaz Doutón
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Patent number: 10018724Abstract: A system and method for scanning a surface and a computer program implementing the method. The method is suitable for performing the functions carried out by the system of the invention. The computer program implements the method of the invention. The system means for illuminating illuminates different sub-areas (Si) of a surface (S) with a light beam (Be) in an alternating manner, and receives and detects the portions of reflected light (Br) reflected on same, including: one or more light detectors (D); and light redirection means including a determined spatial distribution model (Qr) of the light redirection elements (GM), which receive the portions of reflected light (Br) and sequentially redirect them towards the light detector or detectors (D).Type: GrantFiled: August 21, 2014Date of Patent: July 10, 2018Assignee: UNIVERSITAT POLITECNICA DE CATALUNYAInventors: Santiago Royo Royo, Jordi Rius Gras
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Publication number: 20180034227Abstract: The optical system comprises: means for introducing a controlled negative or positive chirp to an incoming ultrashort laser pulse to be characterized; a nonlinear optical medium through which said chirped ultrashort laser pulse is propagated, wherein as a result of said propagation: different chirp values are introduced in the ultrashort laser pulse at different propagation distances along the nonlinear optical medium, and a transverse nonlinear signal is generated in a direction perpendicular to the propagation axis; analyzing means configured for recording a single-shot spectral image of said generated transverse nonlinear signal; and a processing module comprising one or more processors configured to execute a numerical iterative algorithm to said single-shot spectral image to retrieve the electric field, amplitude and phase, of the ultrashort laser pulse.Type: ApplicationFiled: February 5, 2016Publication date: February 1, 2018Applicants: UNIVERSITAT POLITECNICA DE CATALUNYA, Universidad de Salamanca, Sphere Ultrafast Photonics, SAInventors: Jose Francisco Trull-Silvestre, Crina Maria Cojocaru, Inigo Juan Sola-Larranaga, Rosa Maria Romero-Muniz, Francisco Jose Maia Da Silva, Helder Manuel Paiva Rebelo Cerejo Crespo
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Patent number: 9841243Abstract: The invention relates to a system for the storage and recovery of thermal energy, using, as its medium, at least one phase change material (solid-liquid) and a sensible heat solid material for storing/recovering the heat obtained from an external source in the form of phase change latent heat and sensible heat. The aforementioned materials are duly housed inside a single tank containing at least two zones which are differentiated by the range of temperatures to which they are subjected, each zone containing a different material. The most common configuration consists of three different zones located inside the tank, namely: a hot zone in the upper part of the tank, enclosing an encapsulated phase change material characterized by a high melting temperature; a cold zone housed in the lower part of the tank, containing a phase change material with a low melting temperature; and a middle zone containing a sensible heat solid material.Type: GrantFiled: December 18, 2013Date of Patent: December 12, 2017Assignee: Universitat Politècnica de CatalunyaInventors: Asensi Oliva Llena, Carlos David Pérez Segarra, Joaquim Rigola Serrano, Jesús Castro González, Carles Oliet Casasayas, Ivette Rodríguez Pérez, Oriol Lehmkuhl Barba, Xavi Trias Miquel, Roser Capdevila Paramio, Ramiro Alba Queipo, Manuel Miguel Ordoño Martínez, Pedro Andrés Galione Klot
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Patent number: 9842947Abstract: A photovoltaic device cell comprising a first light transmissive electrical contact, an active region, a second light transmissive electrical contact, and a layered structure enclosing the active region, the layered structure being formed of two parts, a first part underlying the first light transmissive electrical contact and a second part overlying the second electrical contact and wherein the constants of the layers in these layered structures are interdependent such that light is localized within the active region.Type: GrantFiled: January 26, 2012Date of Patent: December 12, 2017Assignees: FUNDACIO INSTITUT DE CIENCIES FOTONIQUES, UNIVERSITAT POLITECNICA DE CATALUNYAInventors: Jordi Martorell Pena, Rafael Andrés Betancur Lopera, Pablo Romero Gómez, Luat Vuong
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Publication number: 20170335825Abstract: The invention relates to the embodiment, by means of a pre-stressed concrete layer, on floating structures for supporting wind turbines, of the transition zone between the tower, of a lesser diameter, and the concrete float, of a greater diameter, whether the tower is made of metal or concrete. Said layer of revolution has the optimum geometry for the correct transmission of forces between the two parts, the tower and the float, with a reduced thickness and without the need for external rigidifying and reinforcing elements on the surfaces thereof, which would increase the weight and the cost of the structure.Type: ApplicationFiled: November 4, 2015Publication date: November 23, 2017Applicant: UNIVERSITAT POLITECNICA DE CATALUNYAInventors: Climent MOLINS BORRELL, Alexis CAMPOS HORTIGÜELA
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Patent number: 9782764Abstract: Method for producing a substrate with Au (gold) nanoclusters affixed to the surface thereof and substrate and catalyst obtained by means of said method. The method consists in preparing a solution containing, in disperse form, Au nanoclusters and, also in disperse form, a substrate with a surface functionalized with a polyelectrolyte that confers a net electric charge thereon, and in intensely agitating said solution to affix Au nanoclusters to the substrate surface. This results in a substrate that has a surface with Au nanoclusters affixed in disperse form, significantly without clusters. The invention also relates to a catalyst that comprises said substrate with Au nanoclusters affixed to the surface thereof. Said catalyst is particularly suitable for use in oxidation reactions.Type: GrantFiled: October 17, 2012Date of Patent: October 10, 2017Assignee: UNIVERSITAT POLITÈCNICA DE CATALUNYAInventors: Ernest Mendoza Gómez, Jordi Llorca Piqué
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Patent number: 9784568Abstract: A slit m is projected onto an object surface in which reference point X1 is in a horizontal axis x closest to in focus point P. One image of a field of view area F is acquired after reflection of light comprising said reference point X1. Position Z1 of the object in a vertical axis z is determined. Images of respective field of view areas F are acquired after reflection of light having reference points X2, X3 . . . Xn by simultaneously moving the object along axis z to maintain reference points X2, X3 . . . Xn closest to in focus point P. Positions Z2, Z3 . . . Zn in which images were acquired are determined. The in focus point P along horizontal axis x is determined for each image. A correction differential ?1, ?2 . . . ?n between in focus point P and reference points X1, X2 . . . Xn is calculated.Type: GrantFiled: May 20, 2011Date of Patent: October 10, 2017Assignee: UNIVERSITAT POLITÈCNICA DE CATALUNYAInventors: Ferran Laguarta Bertran, Agustí Pintó Vila, Roger Artigas Pursals, Cristina Cadevall Artigues
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Patent number: 9750406Abstract: The invention relates to a method for the detection of visual function losses. The method comprises analysing the optical quality of a patient's eye based on one or more retinal images thereof or based on information relating to retinal images corresponding to an eye having an anterior segment and intraocular means that are healthy. The method comprises: detecting a visual function loss of the visual system of functional or pathological etiology, based on the result of the aforementioned analysis; and determining if this loss is due to a reduced and/or limited neural response, which induces alterations in the innervation of the intrinsic ocular muscles of the eye.Type: GrantFiled: May 3, 2013Date of Patent: September 5, 2017Assignee: UNIVERSITAT POLITECNICA DE CATALUNYAInventors: Jaume Pujol Ramo, Juan Carlos Ondategui Parra, Maritxell Vilaseca Ricart, Montserrat Arjona Carbonell, Rosa Borrás Garcia
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Patent number: 9748423Abstract: Disclosed is a photovoltaic device that includes a solar cell on a light transmissive substrate in the form of an array of equal diameter optical fibers laid adjacent to each other in the transversal direction of the fibers. With such an arrangement, light harvesting at high angles is improved by 30%.Type: GrantFiled: January 16, 2014Date of Patent: August 29, 2017Assignees: Fundacio Institut De Ciencies Fotoniques, Universitat Politecnica De CatalunyaInventors: Jordi Martorell Pena, Pablo Romero Gómez, Marina Mariano Juste, Francisco J. Rodriguez Martinez
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Patent number: 9726474Abstract: A method and system to implement the method of measuring a change in an optical path length using differential laser self-mixing interferometry. The method includes obtaining a reference SMI signal (Sr) and a main measurement SMI signal (Sm) of a laser (LD) and determining the relative change in the optical path length between the (LD) and a target (T) in a range between 0 and ?/2, by comparing the relative positions along time of fringes or transitions of the (Sm) and (Sr). The (Sr) and the (Sm) are obtained at different moments once backscattered laser light (br) is generated from the reflection on said target (T) of a reference and a main measurement laser light beam emitted by the laser (LD) and while being modulated according to a specific modulation pattern that maintained while both the (Sr) and the (Sm) are acquired and has re-entered its laser cavity.Type: GrantFiled: October 15, 2014Date of Patent: August 8, 2017Assignee: UNIVERSITAT POLITECNICA DE CATALUNYAInventors: Santiago Royo Royo, Francisco Javier Azcona Guerro, Ajit Jha
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Publication number: 20170209615Abstract: It relates to a nonwoven fabric membrane for topical use on the skin, which comprises polymeric nanofibres and an active agent in an amount from 25 to 80% by weight with respect to the total weight of the nonwoven fabric membrane, wherein the active agent is soluble in a suitable biocompatible solvent system, and wherein the membrane is capable of releasing the active agent immediately when the membrane is contacted with an appropriate amount of the suitable solvent biocompatible system in which the active agent is completely solubilised. It also relates to a process for the preparation of the nonwoven fabric membrane, to a cosmetic or sanitary product and a kit comprising them and to their therapeutic and cosmetic uses.Type: ApplicationFiled: August 3, 2015Publication date: July 27, 2017Applicants: HOSPITAL SANT JOAN DE DEU, UNIVERSITAT POLITÉCNICA DE CATALUNYAInventors: Jose Antonio TORNERO GARCIA, Angel MONTERO CARCABOSO, Francesc CANO CASAS, Joan BERTRAN I LLAVINA
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Patent number: 9702087Abstract: In a first aspect, the present invention relates to an isolated aqueous enzymatic preparation obtained from the reaction of at least one oxidoreductase enzyme, preferably a laccase, and at least one natural or synthetic product, preferably a natural compound, said natural or synthetic product comprising, in the structure thereof, at least one phenol or alcohol group, which optionally has one or more hydrophobic chains, or at least one sterol group. In a second aspect, the present invention relates to the use of said isolated aqueous enzymatic preparation in the functionalization of the surface of paper or cellulosic substrates.Type: GrantFiled: June 3, 2013Date of Patent: July 11, 2017Assignees: Universitat Politecnica de Catalunya, Nopco Paper Technology Holding ASInventors: Oriol Cusola Aumedes, M. Blanca Roncero Vivero, Cristina Valls Vidal, Teresa Vidal Llucia
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Patent number: 9700381Abstract: Laparoscopic surgical pliers include jaws mounted on a rotating body and first and second transmissions each including at least one tendon including several cables, and each transmission adapted to transmit movement of the jaws and the rotating body, respectively. The tendons of the first and second transmissions are each respectively formed of several cables arranged so that a cross-section of at least one tendon associated with the first transmission has a variable geometry therealong formed by a first arrangement in which the cables are arranged, in cross-section, with their longitudinal axes in a radial distribution, a second arrangement in which said axes are arranged in a first orientation, and a third arrangement in which said axes are arranged in a second orientation, perpendicular to the first orientation.Type: GrantFiled: October 26, 2010Date of Patent: July 11, 2017Assignee: UNIVERSITAT POLITECNICA DE CATALUNYAInventor: Josep Amat Girbau
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Patent number: 9689667Abstract: The invention relates to a system (21) for receiving a light beam, comprising an array of light sensors (26). The system also comprises a pixelated light switch array (24), in which each switch is adapted to receive at least one portion of the light beam and direct it to the array of light sensors (26), and the pixelated light switch array (24) comprises a higher number of switches than the number of light sensors comprised in the array of light sensors (26).Type: GrantFiled: March 15, 2012Date of Patent: June 27, 2017Assignee: UNIVERSITAT POLITECNICA DE CATALUNYAInventors: Santiago Royo Royo, Jordi Riu Gras
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Patent number: 9623344Abstract: A tent or covering with a pyramid-shaped structure, with an inner dark-colored sheet and an outer transparent sheet, installed on a supporting base anchored to the ground or on floats on the surface of the sea, wherein in the apex of the pyramid there are included vaporizers with micronebulizers for nebulizing the water to be treated, a device for capturing humid air through a continuous or sectioned condensation column and for subsoil distillation and heat dissipation in the smaller, water-collecting tank and recirculation of the air devoid of humidity into the enclosure. In addition, it includes a computerized control system of the processes includes controls of the air and nebulized water flow rates and of the working regime of the facility.Type: GrantFiled: March 22, 2012Date of Patent: April 18, 2017Assignee: UNIVERSITAT POLITECNICA DE CATALUNYAInventor: Angel Bosch I Bosch
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Patent number: 9596610Abstract: The present invention relates in general to communications and navigation systems and methods. In particular, the invention relates to a method and a system for detecting and eliminating radio frequency interferences in real time and more explicitly those related to satellite navigation systems. The invention is based on the application of a combination of techniques based on time domain, frequency domain, scale domain and statistical methods.Type: GrantFiled: July 28, 2016Date of Patent: March 14, 2017Assignee: Universitat Politécnica de CatalunyaInventors: Jorge Querol Borràs, Adriano José Camps Carmona
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Patent number: 9581798Abstract: Light sheet microscope for recording 3D images of a specimen, comprising a light sheet generator, an objective lens, an image detector and a wavefront encoder element or system positioned between the objective lens and the image detector for extending the depth of field of the objective lens. By doing so, the restriction on the distance between the collecting objective and the light sheet is relaxed, allowing the use of a light sheet scanning unit. The resulting light sheet microscope allows for a robust, aberration insensitive, fast 3D imaging without the need to move or perturb the specimen.Type: GrantFiled: July 22, 2013Date of Patent: February 28, 2017Assignees: Fundacio Institut de Ciencies Fotoniques, Universitat Politecnica De CatalunyaInventors: Pablo Loza Alvarez, Omar Eduardo Olarte Pataquiva, David Artigas Garcias
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Publication number: 20170035307Abstract: An apparatus for obtaining information on a cardiovascular system based exclusively on measurements between two limbs and effected with a pair of distal electrodes on each limb. The measurement is made by causing an alternating current to flow between one electrode of each limb and measuring the potential difference between the other two electrodes, one also on each limb. This potential difference has a low frequency component which is an electrocardiogram (ECG) and another component having a frequency of the injected alternating current and from which an impedance plethysmogram (IPG) is extracted. The cardiovascular information is determined by measuring the time interval between any predefined characteristic element of the ECG and IPG.Type: ApplicationFiled: October 24, 2016Publication date: February 9, 2017Applicant: UNIVERSITAT POLITÈCNICA DE CATALUNYAInventors: Ramon PALLÀS ARENY, Ramon CASANELLA ALONSO, Joan GÓMEZ CLAPERS
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Patent number: 9561190Abstract: The invention defines a nonwoven membrane for the controlled and sustained release of a therapeutic or cosmetic active agent in the area of the body to be treated. This nonwoven membrane comprises one single type of biocompatible electrospun nanofibers and microparticles of at least one therapeutic or cosmetic active agent which are entangled between the nanofibers, the active agent having a low water solubility.Type: GrantFiled: March 27, 2013Date of Patent: February 7, 2017Assignees: UNIVERSITAT POLITECNICA DE CATALUNYA, HOSPITAL SANT JOAN DE DEUInventors: José Antonio Tornero Garcia, Angel Montero Carcaboso, Joan Bertran I Llavina