Patents Assigned to Fraunhofer
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Publication number: 20240171229Abstract: Methods and apparatuses for the generation and transmission/reception of a CSI report. A method performed by a UE includes: receiving a CSI report configuration from a network node; determining a number of precoder coefficients for RI transmission layers of a precoder vector or matrix; grouping the precoder coefficients of the RI transmission layers into at least two coefficient subsets, assigning a certain ordering to said at least two coefficient subsets and to the precoder coefficients within each coefficient subset; dividing said at least two coefficient subsets into two or more CSI groups having associated priority levels; generating a CSI report comprising a CSI part 1 and a CSI part 2; and transmitting a UCI including the CSI report over a UL channel to the network node.Type: ApplicationFiled: March 15, 2022Publication date: May 23, 2024Applicant: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Venkatesh Ramireddy, Marcus Grossmann, Markus Landmann
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Publication number: 20240172246Abstract: A transceiver configured for communicating in a wireless communication network being operated by at least one base station comprises an antenna unit configured for transceiving wireless signals in the wireless communications network. The transceiver is to monitor a physical downlink control channel, PDCCH to obtain downlink information; and to provide a feature such as a radio measurement in the wireless communication network. The transceiver is to skip monitoring PDCCH by performing no monitoring or by switching a search space of the PDCCH, for a duration of a skipping interval and for aligning the feature with the skipping interval in time.Type: ApplicationFiled: January 28, 2024Publication date: May 23, 2024Applicant: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Dariush MOHAMMAD SOLEYMANI, Gustavo Wagner OLIVEIRA DA COSTA, Elke ROTH-MANDUTZ, Martin LEYH, Dietmar LIPKA, Mehdi HAROUNABADI, Shubhangi BHADAURIA
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Patent number: 11990146Abstract: An apparatus for providing a processed audio signal representation on the basis of input audio signal representation configured to apply an un-windowing, in order to provide the processed audio signal representation on the basis of the input audio signal representation. The apparatus is configured to adapt the un-windowing in dependence on one or more signal characteristics and/or in dependence on one or more processing parameters used for a provision of the input audio signal representation.Type: GrantFiled: May 4, 2021Date of Patent: May 21, 2024Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Stefan Bayer, Pallavi Maben, Emmanuel Ravelli, Guillaume Fuchs, Eleni Fotopoulou, Markus Multrus
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Patent number: 11989346Abstract: A fiber-optic sensor (1) is configured to detect curvature of an article (6). The sensor includes at least one light source (2), at least one optical fiber (4) and at least one receiver (3). The optical fiber (4) has at least one longitudinal portion (41, 42, 43) in which the refractive index for light at a predetermined wavelength is reduced with respect to the remaining longitudinal portions. A method for detecting curvature of an article such as a data glove (6) or an endoscope may utilize such a fiber-optic sensor.Type: GrantFiled: March 22, 2021Date of Patent: May 21, 2024Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Martin Angelmahr, Wolfgang Schade
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Patent number: 11990142Abstract: There are disclosed several examples of encoding and decoding technique. In particular, an audio synthesizer for generating a synthesis signal from a downmix signal includes: an input interface for receiving the downmix signal, the downmix signal having a number of downmix channels and side information, the side information including channel level and correlation information of an original signal, the original signal having a number of original channels; and a synthesis processor for generating, according to at least one mixing rule, the synthesis signal using: channel level and correlation information of the original signal; and covariance information associated with the downmix signal.Type: GrantFiled: December 14, 2021Date of Patent: May 21, 2024Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Alexandre Bouthéon, Guillaume Fuchs, Markus Multrus, Fabian Küch, Oliver Thiergart, Stefan Bayer, Sascha Disch, Jürgen Herre
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Patent number: 11987893Abstract: A system for extracting oxygen from powdered metal oxides, the system comprising a container comprising an electrolyte in the form of meltable or molten salt, at least one cathode, at least one anode, a power supply, and a conducting structure, wherein the cathode is shaped as a receptacle having a porous shell, which has an upper opening, the cathode being arranged in the electrolyte with the opening protruding over the electrolyte, wherein the conducting structure comprises a plurality of conducting elements and gaps between the conducting elements, wherein the power supply is connectable to the at least one cathode and the at least one anode to selectively apply an electric potential across the cathode and the anode, wherein the conducting structure is insertable into the cathode, such that the conducting elements reach into an inner space of the cathode, wherein the conducting structure is electrically connectable to the cathode, and wherein the system is adapted for reducing at least one respective metalType: GrantFiled: October 25, 2021Date of Patent: May 21, 2024Assignees: Airbus Defence and Space GmbH, Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Uday B. Pal, Achim O. Seidel, Peter Quadbeck, Astrid Adrian
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Patent number: 11984131Abstract: Audio encoder for encoding audio input data to obtain audio output data includes an input interface for receiving a plurality of audio channels, a plurality of audio objects and metadata related to one or more of the plurality of audio objects; a mixer for mixing the plurality of objects and the plurality of channels to obtain a plurality of pre-mixed channels, each pre-mixed channel including audio data of a channel and audio data of at least one object; a core encoder for core encoding core encoder input data; and a metadata compressor for compressing the metadata related to the one or more of the plurality of audio objects, wherein the audio encoder is configured to operate in at least one mode of the group of two modes.Type: GrantFiled: December 13, 2021Date of Patent: May 14, 2024Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Alexander Adami, Christian Borss, Sascha Dick, Christian Ertel, Simone Neukam, Juergen Herre, Johannes Hilpert, Andreas Hoelzer, Michael Kratschmer, Fabian Kuech, Achim Kuntz, Adrian Murtaza, Jan Plogsties, Andreas Silzle, Hanne Stenzel
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Patent number: 11982413Abstract: The invention relates to a lighting device for at least one plant, comprising an artificial lighting unit for providing artificial light for lighting the plant; a sunlight unit for providing sunlight for lighting the plant; a mixing unit for generating a mixed light consisting of the artificial light and the sunlight; a distributing unit for distributing the mixed light and lighting the plant with the distributed mixed light; and an adjustment unit for adjusting a property of the mixed light. The invention provides a lighting device for at least one plant, i.e., one or more plants, wherein the device can be used in an energy-saving manner for indoor farming.Type: GrantFiled: July 3, 2020Date of Patent: May 14, 2024Assignee: Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V.Inventors: Thomas Längle, Dirk Seiffer, Andreas Reimann, Simon Vogel
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Patent number: 11982840Abstract: The invention relates to a method for laser-based splicing of a glass fiber (1) onto an optical component (3), comprising the following steps: arranging both surfaces to be spliced substantially parallel to each other and at a predefined distance from each other; and aiming a laser beam (4) at the optical component (3). In order to specify an improved method in which the properties of the joining partners are maintained to the greatest extent during splicing, which exhibits high reproducibility and in particular is suitable for splicing joining partners of different cross-sections, the invention proposes that the angle of incidence of the laser beam (4) on the surface of the optical component be between 15° and 45°.Type: GrantFiled: July 1, 2021Date of Patent: May 14, 2024Assignee: Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.Inventors: Steffen Bohme, Thomas Schreiber, Simone Fabian
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Patent number: 11985101Abstract: Examples relate to a method, an apparatus and a computer program for processing a plurality of electronic messages, and to an electronic message server. The method comprises obtaining (110) the plurality of electronic messages. The method further comprises selecting (120) at least a subset of electronic messages of the plurality of electronic messages based on information related to a plurality of suspicious electronic message sender identifiers. The method further comprises determining (130), whether a number of electronic messages of the subset of electronic messages obtained within a pre-defined time interval exceeds a threshold. The method further comprises discarding (140) the electronic messages of the subset of electronic messages if the number of electronic messages of the subset of electronic messages obtained within the pre-defined time interval exceeds the threshold.Type: GrantFiled: January 18, 2019Date of Patent: May 14, 2024Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Haya Shulman, Kevin Freeman, Markus Schneider
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Patent number: 11979856Abstract: Embodiments provide a transceiver for a wireless communication system, wherein the transceiver is configured to communicate with at least one other transceiver of the wireless communication system using sidelink resource pools [e.g., mode 3 resource pool, mode 4 resource pool, shared resource pool, unshared resource pool or exceptional resource pool] of the wireless communication system, wherein the transceiver is configured to transmit a data packet on one of the sidelink resource pools of the wireless communication system to the other transceiver of the wireless communication system, wherein the transceiver is configured to, if a PPPR value associated with the data packet or with data contained in the data packet indicates a high reliability [of the data packet], to re-transmit the data packet at least on once on another sidelink resource pool of the sidelink resource pools of the wireless communication system.Type: GrantFiled: September 1, 2020Date of Patent: May 7, 2024Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Elke Roth-Mandutz, Khaled Shawky Hassan Hussein, Shubhangi Bhadauria, Martin Leyh
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Patent number: 11978459Abstract: In multichannel audio coding, improved computational efficiency is achieved by computing comparison parameters for ITD compensation between any two channels in the frequency domain for a parametric audio encoder. This may mitigate negative effects on encoder parameter estimates.Type: GrantFiled: December 15, 2020Date of Patent: May 7, 2024Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Jan Büthe, Eleni Fotopoulou, Srikanth Korse, Pallavi Maben, Markus Multrus, Franz Reutelhuber
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Patent number: 11979238Abstract: A user device, UE, for a wireless communication system is described. The wireless communication system includes a plurality of user devices, UEs. The UE communicates with one or more transmitting UEs using a sidelink, supports a certain number of HARQ processes, and buffers one or more transmissions for each HARQ process. During a unicast communication with a transmitting UE using the sidelink, the UE receives from the transmitting UE a transmission during a transmission time interval, the transmission associated to control data, e.g. SCI, including a HARQ process ID, buffers the received transmission for the HARQ process, and combines the buffered transmissions prior to decoding. In case a successfully identified transmission is not buffered, the UE indicates to the transmitting UE that the transmission is not buffered at the UE.Type: GrantFiled: August 13, 2021Date of Patent: May 7, 2024Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.Inventors: Robin Thomas, Thomas Fehrenbach, Baris Göktepe, Cornelius Hellge, Thomas Wirth, Thomas Schierl, Sarun Selvanesan, Roya Ebrahim Rezagah
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Patent number: 11977248Abstract: The present invention relates to an optical filter with nanostructured layers and spectral sensors with layers of such kind. The optical filter has at least two nanostructured layers, each of which forms a transmission grating from grating wires extending parallel to each other. The grating wires of the two transmission gratings intersect each other and are positioned one on top of the other in the optical filter. An optical polarise which polarises incident optical radiation linearly parallel to the grating wires of one of the two transmission gratings is arranged over the transmission gratings. The optical filter can be produced as a bandpass filter with standard semiconductor processes without additional layers or modification of said processes.Type: GrantFiled: July 14, 2021Date of Patent: May 7, 2024Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Wladimir Tschekalinskij, Stephan Junger
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Patent number: 11979519Abstract: The invention provides an interrogator for obtaining information associated with a caller identification, such as a telephone number, transmitted within an incoming telephone call including: a receiving device configured to receive the incoming telephone call and to extract the caller identification from the incoming telephone call; an interrogating device configured to receive the extracted caller identification from the receiving device and to interrogate information associated with the caller identification from an external data base, which is configured to operate independently from the user voice communication device for which the incoming telephone call is intended for; and a forwarding device configured to receive and to forward the interrogated information.Type: GrantFiled: August 2, 2022Date of Patent: May 7, 2024Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Thomas Wiegand, Thomas Haustein
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Patent number: 11979584Abstract: Arithmetic encoder for encoding a plurality of symbols is configured to derive an interval size information for an arithmetic encoding of one or more symbol values to be encoded on the basis of one or more state variable value, in a first mode of operation, and to update the one or more state variable values and/or the interval size information for an encoding of one or more subsequent symbol values to be encoded in the first mode; in a second mode, the arithmetic encoder is configured to disable an update of the one or more state variable values and/or of the interval size information. Additionally, further embodiments of arithmetic encoders and decoders and video encoders and decoders are described.Type: GrantFiled: March 24, 2022Date of Patent: May 7, 2024Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Heiner Kirchhoffer, Detlev Marpe, Benjamin Bross, Phan Hoang Tung Nguyen, Christian Rudat, Heiko Schwarz, Thomas Wiegand
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Patent number: 11977132Abstract: Magnetic-field sensor arrangement comprises a magnetic-field sensor for providing a sensor output signal based on a magnetic field acting on the sensor; an excitation-conductor array including selectively driveable excitation conductors spaced from the magnetic-field sensor; a driver for selectively driving the excitation conductors to generate different magnetic test fields in different drive states by driving a different excitation conductor, and to generate a set of detected output signal values of the magnetic-field sensor according to the different drive states; and evaluator configured to provide different parameter sets including comparison output signal values for the different drive states and representing variations of the architecture of the magnetic-field sensor including the excitation-conductor array, and further configured to determine, based on the set of detected output signal values of the magnetic-field sensor, that parameter set whose comparison output signal values exhibit a best match wiType: GrantFiled: July 30, 2021Date of Patent: May 7, 2024Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Markus Stahl-Offergeld, Dennis Krause
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Publication number: 20240146013Abstract: A method and arrangement for compensation of thermally induced depolarising effects in an optical resonator employ a retroreflective prism effecting multiple instances of total internal reflection as one end mirror of the resonator. The retroreflective prism has a first roof edge face pair made of two perpendicular roof edge faces and at least one second face with total internal reflection or a second roof edge face pair. Laser radiation entering parallel to the optical axis of the resonator undergoes total internal reflection through an angle ? at the second face or the second roof edge face pair before it undergoes total internal reflection at the first roof edge face pair and emerges again from the retroreflective prism in a manner parallel to the optical axis of the resonator following another instance of total internal reflection at the second face or the second roof edge face pair.Type: ApplicationFiled: March 3, 2022Publication date: May 2, 2024Applicants: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., Karlsruher Institut für TechnologieInventors: Marc EICHHORN, Christelle KIELECK
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Patent number: 11973988Abstract: Decoder for decoding a picture from a data stream, configured to check whether a plurality of coding parameters, which are contained in the data stream, relate to a predetermined portion of the picture and control a prediction residual transform mode and a quantization accuracy with respect to the predetermined portion, are indicative of a coding parameter setting corresponding to a lossless prediction residual coding. Responsive to the plurality of coding parameters being indicative of the coding parameter setting corresponding to the lossless prediction residual coding, the decoder is configured to set one or more predetermined coding options relating to one or more tools of the decoder for processing a prediction residual corrected predictive reconstruction with respect to the predetermined portion so that the one or more tools are disabled with respect to the predetermined portion.Type: GrantFiled: January 4, 2022Date of Patent: April 30, 2024Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Christian Helmrich, Benjamin Bross, Tung Hoang Nguyen, Heiko Schwarz, Detlev Marpe, Thomas Wiegand
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Patent number: 11974307Abstract: In the field of wireless communication systems or networks, the design of resource pools as they may be used in sidelink communications among users of the wireless communication system, for example in V2X applications, is described. In particular, an improved resource pool design, for example for resource pools to be used in sidelink communications in V2X services in view of the advantages defined by the NR 5G standard, is presented.Type: GrantFiled: February 5, 2021Date of Patent: April 30, 2024Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Sarun Selvanesan, Thomas Fehrenbach, Cornelius Hellge, Roya Ebrahim Rezagah, Robin Thomas, Thomas Wirth, Thomas Schierl, Eiko Seidel