Patents Assigned to Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
  • Publication number: 20230417492
    Abstract: A heat pipe having a working chamber having an evaporator region operatively connected to a heat source, and a condenser region operatively connected to a heat sink. A working fluid is provided in the working chamber, and heat is transferred from the heat source to the heat sink by the working fluid in a first state of operation. The heat pipe is a switchable and/or programmable thermal diode or a switchable and/or programmable heat switch, at least one activatable functional material is provided, which is arranged and configured to keep the evaporator region free of the working fluid and/or to prevent the working fluid from evaporating in a second state of operation, in order to reduce and/or hinder heat transfer and/or to alter the preferential direction of heat conduction. A system and method for switching and/or programming heat transfer in a heat pipe are also provided.
    Type: Application
    Filed: June 17, 2021
    Publication date: December 28, 2023
    Applicant: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
    Inventors: Martin KLUGE, Jürgen CLADE, Christoph EBERL, Markus Winkler, Erik Wischerhoff, Kilian BARTHOLOMÉ, Olaf SCHÄFER-WELSEN, Murat TUTUS, Martin KRUS, Christian TEICHT
  • Publication number: 20230417629
    Abstract: Disclosed is a method for calibrating a light field generating device, which has a display unit with pixels for generating light and a lens field unit with optical lenses for deflecting the light generated by the display unit, and a control unit for controlling the display unit, each lens of the lens field unit being assigned a plurality of pixels of the display unit. Also disclosed are a light field generating device based on the above method and an illumination device having the disclosed light field generation device.
    Type: Application
    Filed: October 26, 2021
    Publication date: December 28, 2023
    Applicant: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Christian KLUDT, Marcos LÓPEZ MARTINEZ
  • Publication number: 20230421220
    Abstract: A method performed by a UE for generating a CSI report in a wireless communication system, including receiving from a network node, a CSI report configuration information including at least one parameter, D, for indicating a first basis set of D basis vectors used for constructing for each transmission layer a precoding vector or matrix for a rank set; identifying a precoding vector matrix for each transmission layer based on the first basis set, a second basis set comprising P basis vectors, and a number of combining coefficients for combining selected vectors from the first and second basis sets; generating a CSI report based on the CSI report configuration information for a RI, or v of the rank set; and transmitting the CSI report to the network node.
    Type: Application
    Filed: November 23, 2021
    Publication date: December 28, 2023
    Applicant: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
    Inventors: Marcus Grossmann, Venkatesh Ramireddy
  • Publication number: 20230420542
    Abstract: The invention relates to a method for producing a transistor with a high degree of electron mobility and to a transistor with a high degree of electron mobility. The method is characterized in that an epitaxial layer is first grown on a flat substrate, and the flat substrate is then completely removed from the bottom of the epitaxial layer, wherein a thermally conductive layer is applied onto the bottom of the epitaxial layer such that the thermally conductive layer contacts at least 80%, preferably at least 90%, particularly preferably at least 95%, in particular 100%, of the bottom of the epitaxial layer. The method is simple and inexpensive to carry out and provides a transistor which has a high degree of electron mobility, an improved electric output without backgating, and an improved heat dissipation. The method additionally allows a transistor to be provided with a vertical transistor structure.
    Type: Application
    Filed: November 25, 2021
    Publication date: December 28, 2023
    Applicants: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V., FERDINAND-BRAUN-INSTITUT GGMBH, LEIBNIZ-INSTITUT FÜR HÖCHSTFREQUENZTECHNIK
    Inventors: Elke MEISSNER, Hans-Joachim WÜRFL
  • Patent number: 11856389
    Abstract: An apparatus for generating a sound field description from an input signal having at least two channels has: an input signal analyzer for obtaining direction data and diffuseness data from the input signal; an estimator for estimating a first energy- or amplitude-related measure for an omnidirectional component derived from the input signal and for estimating a second energy- or amplitude-related measure for a directional component derived from the input signal, and a sound component generator for generating sound field components of the sound field, wherein the sound component generator is configured to perform an energy compensation of the directional component using the first energy- or amplitude-related measure, the second energy- or amplitude-related measure, the direction data and the diffuseness data.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: December 26, 2023
    Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Guillaume Fuchs, Oliver Thiergart, Srikanth Korse, Stefan Döhla, Markus Multrus, Fabian Küch, Alexandre Bouthéon, Andrea Eichenseer, Stefan Bayer
  • Publication number: 20230407805
    Abstract: The invention relates to a motor controller for an internal combustion engine of a vehicle, comprising a control unit for setting one or more control variables on the basis of one or more measured variables according to a stored control scheme; wherein the control unit is designed to modify the stored control scheme when the control unit is used as intended with the operational internal combustion engine, which is being controlled by the motor controller, according to a specified learning algorithm, namely using at least one feedback parameter which is associated with an optimization criterion and is provided to the control unit, in order to provide an improved control of the internal combustion engine.
    Type: Application
    Filed: November 9, 2021
    Publication date: December 21, 2023
    Applicant: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Jürgen BEYERER, Janina STOMPE, Julius PFROMMER, Johannes SAILER, Christian FREY
  • Publication number: 20230411546
    Abstract: A solar cell module, having at least four module segments and a plurality of bypass elements. Each module segment includes at least two solar cell strings connected in parallel and each string includes multiple solar cells connected in series and the four module segments are connected in series. The second and third module segments are connected in series between first and fourth module segments and the four module segments are arranged in two parallel series, having a first series which includes the first and the second module segment and a second series which includes the third and the fourth module segment. A first bypass element is connected in parallel to the first module segment, a second bypass element is connected in parallel to the second and third module segments connected in series, and a third bypass element is connected in parallel to the fourth module segment.
    Type: Application
    Filed: October 14, 2021
    Publication date: December 21, 2023
    Applicant: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
    Inventors: Li Carlos RENDLER, Max MITTAG, Holger NEUHAUS
  • Patent number: 11849458
    Abstract: Embodiments provide a transceiver of a wireless communication network, wherein the transceiver is configured to evacuate/empty/puncture/shorten a downlink transmission of a control information to accommodate an uplink transmission of another transmitter within the downlink transmission.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: December 19, 2023
    Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
    Inventors: Khaled Shawky Hassan Hussein, Rudraksh Shrivastava, Thomas Heyn
  • Patent number: 11845376
    Abstract: Provided is a radar and light emission assembly for emitting light and radar radiation and for detecting at least reflected radar radiation including: a headlight including a light-transparent headlight cover, and a light source, and a light reflector; a radar module, which is arranged behind the headlight cover, integrated in the headlight and including a radar antenna unit. The radar and light emission assembly has at least one radar radiation-forming mechanism, in particular a frequency-selective radar radiation-forming mechanism, including a radar radiation-forming mechanism, which is integrated in the headlight cover. The application of the radar technology, integrated in the headlight, can be further optimized hereby. The invention further relates to a method and a use for a radar and light emission assembly of this type.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: December 19, 2023
    Assignees: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V., Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen
    Inventors: Manuela Junghähnel, Thomas Preussner, Sebastian Winkler, Sofian Hamid, Korbinian Schraml, Jörg Pamp, Dirk Heberling, Christian Hördemann, Ludwig Pongratz, Patrick Gretzki, Arnold Gillner
  • Patent number: 11845124
    Abstract: A roller casting method produces a spiral structure, in particular a spiral structure for use in electric machines. Molten metal is supplied between a first roller and a second roller miming opposite thereto, wherein the first roller has first teeth, and the second roller has second teeth, said first and/or second teeth having tooth flanks with cavities for receiving the supplied molten metal. The teeth are designed and aligned such that the cavity of at least one tooth is at least temporarily delimited by the surface of a tooth of the other roller when the rollers are rotating such that the supplied molten metal is molded between the teeth while cooling and is molded into a section of the spiral structure.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: December 19, 2023
    Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
    Inventors: Franz-Josef Wöstmann, Michael Heuser, Matthias Busse
  • Publication number: 20230403108
    Abstract: The embodiments of the present disclosure relate to methods and apparatuses for signaling framework for flexible beam management in a wireless communications network.
    Type: Application
    Filed: October 21, 2021
    Publication date: December 14, 2023
    Applicant: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
    Inventors: Marcus Grossmann, Sutharshun Varatharaajan
  • Publication number: 20230399993
    Abstract: An auxiliary engine control unit for use with a main engine control unit for an internal combustion engine of a vehicle may have an input signal interface unit. The input signal interface unit may be configured to intercept at least one engine control output signal of the main engine control unit. The auxiliary engine control unit may also have a control unit which is configured to change the intercepted engine control output signal according to a control scheme stored in the control unit. The auxiliary engine control unit may also have an output signal interface unit which is configured to output the engine control output signal, changed by the control unit, to the internal combustion engine to be controlled in order to achieve an improved control of the internal combustion engine.
    Type: Application
    Filed: November 11, 2021
    Publication date: December 14, 2023
    Applicant: Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung E.V.
    Inventors: Jürgen BEYERER, Julius PFROMMER, Lars WESSELS
  • Patent number: 11843774
    Abstract: The present invention concerns an apparatus configured to partition a picture into leaf blocks using recursive multi-tree partitioning, block-based encode the picture into a data stream using the partitioning of the picture into the leaf blocks, wherein the apparatus is configured to, in partitioning the picture into the leaf blocks, for a predetermined block which extends beyond a boundary of the picture, reduce an available set of split modes depending on a position at which the boundary of the picture crosses the predetermined block in order to obtain a reduced set of one or more split modes, wherein the apparatus is configured to signal a selected split mode in the data stream.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: December 12, 2023
    Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
    Inventors: Adam Wieckowski, Valeri George, Tobias Hinz, Heiko Schwarz, Detlev Marpe, Thomas Wiegand, Jackie Ma, Jens Brandenburg
  • Publication number: 20230391894
    Abstract: The present invention relates to a process for obtaining aging-resistant natural rubber, to a rubber composition comprising the thus-obtained natural rubber and to the use of this composition for producing consumer goods.
    Type: Application
    Filed: September 14, 2021
    Publication date: December 7, 2023
    Applicants: Continental Reifen Deutschland GmbH, Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V.
    Inventors: Carla Recker, Katharina Herzog, Frank Behm, Norbert Janczak, Carsten Venz, Lowis-Gerrit-Boje Müller, Dirk Prüfer, Christian Schulze Gronover
  • Patent number: 11838059
    Abstract: An optical assembly for optical signal processing including a first input for coupling in a first light signal; a second input for coupling in a second light signal; a first beam splitter for splitting the first light signal into a first part and a second part; a second beam splitter for splitting the second light signal into a first part and a second part; a superposing unit; a detector; an electronic signal processing unit; at least one actuating unit; and a delay line for generating a delay of the running time of the first part of the first light signal and of the first part of the second light signal up to the superposing unit. The delay line is configured such that the first part of the first light signal and the first part of the second light signal pass through the delay line in opposite directions.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: December 5, 2023
    Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
    Inventors: Bernd Sartorius, Patrick Runge, Martin Schell
  • Patent number: 11838743
    Abstract: An apparatus for generating a sound field description from an input signal having one or more channels including: an input signal analyzer for obtaining diffuseness data from the input signal; a sound component generator for generating, from the input signal, one or more sound field components of a first group of sound field components having for each sound field component a direct component and a diffuse component, and for generating, from the input signal, a second group of sound field components having only a direct component, the sound component generator being configured to perform an energy compensation when generating the first group of sound field components, the energy compensation depending on the diffuseness data and a number of sound field components in the second group, a number of diffuse components in the first group, or a maximum order of sound field components.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: December 5, 2023
    Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Guillaume Fuchs, Oliver Thiergart, Srikanth Korse, Stefan Döhla, Markus Multrus, Fabian Küch, Alexandre Bouthéon, Andrea Eichenseer, Stefan Bayer
  • Patent number: 11838504
    Abstract: Sub-picture extraction is rendered less complex by providing each slice with start position information which indicates a starting position from which onwards the picture is, along a coding path, encoded into the respective slice, relative to an onset position at which the coding path starts traversing a segment the starting position is located in. Alternatively or additionally, sub-picture extraction processes are treated like choosing one layer out of a multi-layer datastream.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: December 5, 2023
    Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Robert Skupin, Cornelius Hellge, Valeri George, Thomas Schierl, Yago Sánchez De La Fuente, Karsten Sühring, Thomas Wiegand
  • Publication number: 20230384625
    Abstract: A method is proposed for generating single photons with a predetermined wavelength fV, with the following steps: i) generating a single photon, preferably in a source and a resonator, wherein the single photon has a resonator wavelength fR and a resonator bandwidth fBR, ii) measuring the resonator wavelength fR, preferably in a wavelength standard, wherein the single photon is guided from the resonator to the wavelength standard via a beam guide, iii) comparing the resonator wavelength fR with the predetermined wavelength fV and generating a control signal on the basis of the comparison, preferably in a controller, iv) adjusting the resonator using the control signal in order to change the resonator wavelength fR toward or to the predetermined wavelength fV, v) repeating steps i to iv) until the resonator wavelength fR corresponds to the predetermined wavelength fV and then coupling out.
    Type: Application
    Filed: October 14, 2021
    Publication date: November 30, 2023
    Applicants: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., Friedrich-Schiller-Universität Jena
    Inventors: Falk Eilenberger, Tobias Vogl
  • Publication number: 20230385473
    Abstract: The embodiments simulate an experience of comfort in a room. A digital model A is created of the room and indoor and/or outdoor conditions YR, XR which act on the room are defined. A first experience of comfort KR is calculated for at least one location within the room. A test environment includes at least one actuator that acts on a subject. The state XMR of the at least one actuator is changed such that a second experience of comfort KMR of the subject in the test environment substantially corresponds to the first experience of comfort KR at the one location within the room.
    Type: Application
    Filed: August 8, 2023
    Publication date: November 30, 2023
    Applicant: Fraunhofer-Gesellschaft zur Fõrderung der angewandten Forschung e.V.
    Inventors: Daniel Neves Pimenta, Jan De Boer, Simon Wössner, Konstantinos Koutsomarkos
  • Publication number: 20230387339
    Abstract: A multiple solar cell having at least two partial cells, at least being formed from a direct semiconductor, having an upper partial cell facing the light and a lower partial cell facing away from the light, an upper bandgap of the upper partial cell being greater than a lower bandgap of the lower partial cell, and an intermediate layer arranged on the lower partial cell side facing away from the light. An optical element including a lower mirror element is arranged on the intermediate layer side facing away from the light, and has a partial element having structural elements arranged in a lateral direction on the intermediate layer side facing away from the light. The structural elements have a mean spacing less than or equal to 1.3 times a spacing value that results from a ratio of a wavelength of the lower bandgap to a refractive index of the lower partial cell or the lower mirror element has a roughness having a root-mean-square value of less than 50 nm.
    Type: Application
    Filed: October 1, 2021
    Publication date: November 30, 2023
    Applicants: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., Albert-Ludwigs-Universität Freiburg
    Inventors: David LACKNER, Oliver HÖHN, Benedikt BLÄSI, Jens OHLMANN, Frank DIMROTH, Jonas SCHÖN