Patents Assigned to Fraunhofer-Gesellschaft zur Foerderung der Angewandten
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Patent number: 11521625Abstract: An audio signal coding apparatus includes a time-frequency transformer that outputs sub-band spectra from an input signal; a sub-band energy quantizer; a tonality calculator that analyzes tonality of the sub-band spectra; a bit allocator that selects a second sub-band on which quantization is performed by a second quantizer on the basis of the analysis result of the tonality and quantized sub-band energy, and determines a first number of bits to be allocated to a first sub-band on which quantization is performed by a first quantizer; the first quantizer that performs first coding using the first number of bits; the second quantizer that performs coding using a second coding method; and a multiplexer.Type: GrantFiled: March 17, 2020Date of Patent: December 6, 2022Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Takuya Kawashima, Hiroyuki Ehara
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Patent number: 11518157Abstract: A method of preparing a multi-layer assembly, or of protecting a surface of a multi-layer substrate from damage and/or contamination and/or debris, said method comprising the steps of: (i) providing a composite film comprising a polymeric base layer having a first and second surface and disposed on the first surface thereof a polymeric protective layer having a first surface and a second surface such that the first surface of the said base layer is in contact with the first surface of the polymeric protective layer, wherein said polymeric protective layer comprises an ethylene-based copolymer, and preferably wherein the polymeric base layer comprises a polyester derived from one or more diol(s) and one or more dicarboxylic acid(s); (ii) removing said polymeric protective layer from the first surface of said base layer; (iii) disposing on the exposed first surface of said base layer one or more functional layers to provide a multi-layer substrate, wherein the, or at least the uppermost, functional layer compriType: GrantFiled: June 26, 2018Date of Patent: December 6, 2022Assignees: DuPont Teijin Films U.S. Limited Partnership, Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung E.V.Inventors: John Fahlteich, Nicole Prager, Matthias Fahland, Olaf Zywitzki, Valentijn Von Morgen, Robert Eveson
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Patent number: 11521628Abstract: An apparatus for encoding an audio signal includes: a core encoder for core encoding first audio data in a first spectral band; a parametric coder for parametrically coding second audio data in a second spectral band being different from the first spectral band, wherein the parametric coder includes: an analyzer for analyzing first audio data in the first spectral band to obtain a first analysis result and for analyzing second audio data in the second spectral band to obtain a second analysis result; a compensator for calculating a compensation value using the first analysis result and the second analysis result; and a parameter calculated for calculating a parameter from the second audio data in the second spectral band using the compensation value.Type: GrantFiled: February 22, 2019Date of Patent: December 6, 2022Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Sascha Disch, Franz Reutelhuber, Jan Buethe, Markus Multrus, Bernd Edler
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Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm
Patent number: 11521631Abstract: An apparatus for selecting one of a first encoding algorithm having a first characteristic and a second encoding algorithm having a second characteristic for encoding a portion of an audio signal to obtain an encoded version of the portion of the audio signal has a first estimator for estimating a first quality measure for the portion of the audio signal, which is associated with the first encoding algorithm, without actually encoding and decoding the portion of the audio signal using the first encoding algorithm. A second estimator is provided for estimating a second quality measure for the portion of the audio signal, which is associated with the second encoding algorithm, without actually encoding and decoding the portion of the audio signal using the second encoding algorithm. The apparatus has a controller for selecting the first or second encoding algorithms based on a comparison between the first and second quality measures.Type: GrantFiled: March 31, 2020Date of Patent: December 6, 2022Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Emmanuel Ravelli, Stefan Doehla, Guillaume Fuchs, Eleni Fotopoulou, Christian Helmrich -
Method for increasing the electrical functionality, and/or service life, of power electronic modules
Patent number: 11521899Abstract: In a method for increasing the electrical functionality, and/or service life, of power electronic modules, the power electronic circuit carrier, and/or the metallisation applied onto the power electronic circuit carrier, and/or a base plate connected, or to be connected, to a rear face of the power electronic circuit carrier, is finely structured by means of local material removal with at least one laser beam, so as to reduce thermomechanical stresses occurring during the production or operation of the module. In an alternative form of embodiment, the metallisation applied onto the front face of the power electronic circuit carrier is structured, or an already created structure is refined or supplemented, by means of local material removal with laser radiation, so as to achieve a prescribed electrical functionality of the metallisation.Type: GrantFiled: March 30, 2021Date of Patent: December 6, 2022Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.Inventors: Christoph Friedrich Bayer, Andreas Schletz -
Patent number: 11521919Abstract: The invention relates to a foil-based package with at least one foil substrate having an electrically conductive layer arranged thereon which is patterned to provide a first electrically conducting portion and a second electrically conducting portion, which is coplanar to the first electrically conducting portion, and a third electrically conducting portion, which is coplanar to the first electrically conducting portion, the first electrically conducting portion being arranged between the second and third electrically conducting portions. In accordance with the invention, the first electrically conducting portion is implemented to be a signal-guiding waveguide for high-frequency signals and the second electrically conducting portion, which is coplanar to the first electrically conducting portion, and the third electrically conducting portion, which is coplanar to the first electrically conducting portion, form an equipotential surface.Type: GrantFiled: February 27, 2020Date of Patent: December 6, 2022Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventor: Robert Faul
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Patent number: 11518112Abstract: A joining method for connecting at least two thermoplastic workpieces is provided to permit the joining even of non-transparent carbon fiber reinforced plastics parts by means of laser welding, in which a splice is produced at the edge regions of the workpieces and the workpieces are subsequently positioned relative to one another in such a manner that the opposite splice regions bound a seam region. Connecting bodies are then inserted into the seam region and heated by means of local heat input by laser beam such that a fixed integrally bonded connection forms between the workpieces and the connecting bodies.Type: GrantFiled: December 23, 2019Date of Patent: December 6, 2022Assignees: AIRBUS OPERATIONS GMBH, FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.Inventors: Norbert Heltsch, Jens Standfuss, Annett Klotzbach
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Patent number: 11520296Abstract: Time-to-digital converter arrangement having a first and a second time-to-digital converters. The first one is configured to determine the existence or nonexistence of an event in a recurring first measurement window. The second one is configured to determine the existence or nonexistence of the event in a recurring second measurement window. A temporal relation of the second measurement window with respect to detecting the event is time-shifted by a first offset compared to a temporal relation of the first measurement window with respect to detecting the event.Type: GrantFiled: April 14, 2020Date of Patent: December 6, 2022Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.Inventors: Jan Haase, Olaf Schrey, Maik Beer
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Patent number: 11516703Abstract: Embodiments provide a transfer method for transferring data of variable length using a fixedly specified number of sub-data packets to which the data of variable length is distributed.Type: GrantFiled: April 17, 2019Date of Patent: November 29, 2022Assignees: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Friedrich-Alexander-Universitaet Erlangen-NuernbergInventors: Gerd Kilian, Josef Bernhard, Joerg Robert, Jakob Kneissl, Johannes Wechsler, Stefan Ereth
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Patent number: 11516273Abstract: Various concepts for media content streaming are described. Some allow for streaming spatial scene content in a spatially unequal manner so that the visible quality for the user is increased, or the processing complexity or used bandwidth at the streaming retrieval site is decreased. Others allow for streaming spatial scene content in a manner enlarging the applicability to further application scenarios.Type: GrantFiled: February 10, 2022Date of Patent: November 29, 2022Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Robert Skupin, Cornelius Hellge, Thomas Schierl, Yago Sánchez De La Fuente, Thomas Wiegand, Dimitri Podborski
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Patent number: 11515942Abstract: An optical transmission/reception unit includes a carrier rotatable around an axis of rotation, an optical receiver arranged at the carrier on the axis of rotation so as to receive an optical reception signal from a first direction, an optical transmitter arranged at the carrier adjacent to the optical receiver so as to emit an optical transmission signal in a second direction, and a transmission/reception optic arranged at the carrier on the axis of rotation above the optical receiver, wherein the transmission/reception optic includes a reception optic and a transmission optic arranged in the reception optic, wherein the reception optic is configured to guide the optical reception signal striking the transmission/reception optic towards the optical receiver on the axis of rotation, and wherein the transmission optic is configured to displace onto the axis of rotation the optical transmission signal emitted by the optical transmitter.Type: GrantFiled: August 26, 2021Date of Patent: November 29, 2022Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.Inventor: Tobias Schneider
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Publication number: 20220372653Abstract: The present invention relates to a method for reducing structural damage to the surface of monocrystalline aluminium-nitride substrates, according to which the substrate undergoes thermal treatment in a crucible in an autoclave, during which treatment the aluminum-nitride substrate is sublimated in the damaged regions of the surface of the substrate and is removed. The method is used to prepare the surface of monocrystalline aluminium-nitride (AlN), in particular the aim of the invention is to eliminate, or at least significantly reduce near-surface structural damage to the monocrystalline material caused by mechanical processing. The invention also relates to aluminium-nitride substrates that are treated in this way.Type: ApplicationFiled: September 30, 2020Publication date: November 24, 2022Applicant: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.Inventors: Boris EPELBAUM, Stephan MÜLLER, Elke MEISSNER
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Patent number: 11504286Abstract: A personal mobility device includes a frame, a plurality of wheels attached to the frame and one or more pneumatic motors. Each of the one or more pneumatic motors has a drive shaft in operative connection with at least one of the plurality of wheels. The personal mobility device further includes at least one tank (that is, a storage container) for storage of a pressurized gas in operative connection with the one or more pneumatic motors to supply pressurized gas to the one or more pneumatic motors and a control system in operative connection with the at least one tank and with the one or more pneumatic motors.Type: GrantFiled: January 4, 2017Date of Patent: November 22, 2022Assignees: University of Pittsburgh—Of the Commonwealth System of Higher Education, The United States Government as represented by the Department of Veterans Affairs, FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.Inventors: Rory Alan Cooper, Hongwu Wang, Brandon Joseph Daveler, Benjamin Todd Gebrosky, Garrett G. Grindle, Jonathan L. Pearlman, Urs Schneider, David Minzenmay
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Patent number: 11508384Abstract: An apparatus for encoding a multi-channel signal having at least three channels includes an iteration processor, a channel encoder and an output interface. The iteration processor is configured to calculate inter-channel correlation values between each pair of the at least three channels, for selecting a pair including a highest value or including a value above a threshold, and for processing the selected pair using a multi-channel processing operation to derive first multi-channel parameters for the selected pair and to derive first processed channels. The iteration processor is configured to perform the calculating, the selecting and the processing using at least one of the processed channels to derive second multi-channel parameters and second processed channels. The channel encoder is configured to encode channels resulting from an iteration processing to obtain encoded channels.Type: GrantFiled: August 17, 2020Date of Patent: November 22, 2022Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Sascha Dick, Florian Schuh, Nikolaus Rettelbach, Tobias Schwegler, Richard Fueg, Johannes Hilpert, Matthias Neusinger
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Patent number: 11504225Abstract: A structured artificial construct that allows corneal endothelium to be regenerated from isolated cells outside the human or animal body is provided. The structured artificial construct is formed from a dome-shaped base body with a honeycomb structure formed in a concave side of the base body. Methods for generating the structured artificial construct are also provided.Type: GrantFiled: February 26, 2016Date of Patent: November 22, 2022Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.Inventor: Angela Gutermuth
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Patent number: 11508863Abstract: A a semiconductor component (1a, 1b) having a front side and an opposite rear side and also side surfaces, and also at least one emitter (2a, 2b) and at least one base (3a, 3b), wherein a pn junction (4a, 4b) is formed between emitter (2a, 2b) and base (3a, 3b) and the emitter (2a, 2b) extends parallel to the front and/or rear side. At least one side surface is a passivated separating surface (T), at which a separating surface passivation layer (6a, 6b) is arranged, which has stationary charges having a surface charge density at the separating surface (T) with a magnitude of greater than or equal to 1012 cm-2. A method for singulating a semiconductor component (1a, 1b) having a pn junction is also provided.Type: GrantFiled: September 24, 2019Date of Patent: November 22, 2022Assignee: Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V.Inventors: Elmar Lohmüller, Ralf Preu, Puzant Baliozian, Tobias Fellmeth, Nico Wöhrle, Pierre Saint-Cast, Florian Clement, Andreas Brand
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Patent number: 11500137Abstract: A multilayer mirror for reflecting Extreme Ultraviolet (EUV) radiation and a method for producing the same are disclosed. In an embodiment a multilayer mirror includes a layer sequence having a plurality of alternating first layers and second layers, the first layers including lanthanum or a lanthanum compound and the second layers including boron, wherein the second layers are doped with carbon, and wherein a molar fraction of carbon in the second layers is 10% or less.Type: GrantFiled: September 25, 2017Date of Patent: November 15, 2022Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.Inventors: Philipp Naujok, Sergiy Yulin, Norbert Kaiser
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Patent number: 11503339Abstract: Techniques for encoding/decoding of video signals are described, e.g. implemented in decoders, encoder, methods and non-transitory storage units storing instructions to perform the methods. A decoder or encoder may be configured to predict a predetermined block of the picture using a plurality of neighbouring samples by reducing the plurality of neighbouring samples to obtain a reduced set of samples values lower, in number of samples, than compared to the plurality of neighbouring samples, subjecting the reduced set of sample values to a linear or affine linear transformation to obtain predicted values for predetermined samples of the predetermined block.Type: GrantFiled: June 17, 2021Date of Patent: November 15, 2022Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Jonathan Pfaff, Philipp Helle, Michael Schaefer, Roman Rischke, Tobias Hinz, Philipp Merkle, Bjoern Stallenberger, Martin Winken, Mischa Siekmann, Heiko Schwarz, Detlev Marpe, Thomas Wiegand
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Apparatus and method realizing a fading of an MDCT spectrum to white noise prior to FDNS application
Patent number: 11501783Abstract: An apparatus for decoding an encoded audio signal to obtain a reconstructed audio signal includes a receiving interface for receiving one or more frames comprising information on a plurality of audio signal samples of an audio signal spectrum of the encoded audio signal, and a processor for generating the reconstructed audio signal. The processor is configured to generate the reconstructed audio signal by fading a modified spectrum to a target spectrum, if a current frame is not received by the receiving interface or if the current frame is received by the receiving interface but is corrupted, wherein the modified spectrum includes a plurality of modified signal samples, wherein, for each of the modified signal samples of the modified spectrum, an absolute value of the modified signal sample is equal to an absolute value of one of the audio signal samples of the audio signal spectrum.Type: GrantFiled: February 19, 2020Date of Patent: November 15, 2022Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Michael Schnabel, Goran Markovic, Ralph Sperschneider, Jérémie Lecomte, Christian Helmrich -
Patent number: 11502456Abstract: The invention relates to a charging contact unit (100, 1100) for a vehicle, for integrating beneath a road surface, with a charging contact element carrier head (113, 1113) designed to interact with a contact device on the lower side of a vehicle, the contact making and the contact separation being carried out by a relative movement of the charging contact element carrier head and the contact device in a contacting direction (6), the charging contact element carrier head (113, 1113) being movable inside the charging contact unit and/or rotatable or pivotable about the contacting direction (6) in order to compare incorrect positioning in either one or a plurality of directions extending transversely to the contacting direction (6). The invention also relates to a contact system and a road covering.Type: GrantFiled: March 19, 2018Date of Patent: November 15, 2022Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Sven Klausner, Tim Vorwerk, Christian Seiler