Abstract: Siliconized release film for the production of polymer moldings from fiber composites using a mold, which comprises a support film which is capable of vacuum deep drawing at room temperature and a coating which can be applied in liquid form and consists, optionally after removal of any solvent, of more than 90 atom % of silicon, carbon and/or oxygen, more than 45 atom % of carbon and more than 20 atom % of silicon, in each case based on the total coating and measured by XPS, characterized in that the coating has been crosslinked by means of condensation reactions, addition reactions or radiation.
Type:
Grant
Filed:
February 11, 2014
Date of Patent:
October 16, 2018
Assignee:
Fraunhofer-Gesellschaft z. Förderung der angewandten Forschung e.V.
Inventors:
Ralph Wilken, Matthias Ott, Klaus-Dieter Vissing, Gregor Grassl
Abstract: A method for transmitting a signal is described, wherein the method has transforming a signal into a frequency domain to obtain a spectrum, forming a filtered spectrum according to a filter spectrum and occupying a set of subcarriers of a frequency domain representation of an Orthogonal Frequency Division Multiplex (OFDM) signal with the filtered spectrum. A temporary signal is obtained by transforming the frequency domain representation of the OFDM signal into a time domain. The temporary signal is subjected to a phase modulation.
Type:
Grant
Filed:
October 5, 2017
Date of Patent:
October 16, 2018
Assignee:
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Abstract: Embodiments of the present invention provide an apparatus including a micromirror, an excitation structure containing or supporting the micromirror, and at least one piezoelectric sensor. The excitation structure includes at least one piezoelectric actuator, the excitation structure being configured to resonantly excite the micromirror so as to cause a deflection of the micromirror. The at least one piezoelectric sensor is configured to provide a sensor signal dependent on the deflection of the micromirror, the piezoelectric sensor being connected to the excitation structure so that during the resonant excitation of the micromirror, the sensor signal and the deflection of the micromirror exhibit a fixed mutual phase relationship.
Type:
Grant
Filed:
September 4, 2015
Date of Patent:
October 16, 2018
Assignee:
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Inventors:
Shanshan Gu-Stoppel, Hans-Joachim Quenzer, Joachim Janes, Felix Heinrich
Abstract: An illumination unit for lithographic exposure and a device for lithographic exposure are disclosed. In an embodiment the illumination unit includes a beam source, an electronically drivable beam deflection element for generating a temporally varying two-dimensional beam deflection, a collimation lens, a beam homogenizing element, a Fourier lens and a field lens.
Type:
Grant
Filed:
September 7, 2016
Date of Patent:
October 16, 2018
Assignees:
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., Friedrich-Schiller-Universität Jena
Inventors:
Uwe Detlef Zeitner, Tina Weichelt, Yannick Bourgin
Abstract: A substrate holder having a base plate where a plurality of protruding poles is arranged, said poles spaced apart from one another by intermediate spaces. Alternatively or in addition, a plasma reactor for depositing diamond from the gas phase may be provided, the plasma reactor comprising such a substrate holder. A method for depositing diamond from the gas phase may be provided.
Type:
Grant
Filed:
November 10, 2015
Date of Patent:
October 16, 2018
Assignee:
FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V
Inventors:
Christoph E. Nebel, Wolfgang Müller-Sebert, Claudia Widmann, Nicola Heidrich, Christoph Schreyvogel
Abstract: An electric circuit includes a semiconductor-based switch with a first terminal and a second terminal for conducting a power current. Further, the electric circuit includes a sensor for detecting a current change velocity of the power current flowing through the semiconductor-based switch. The sensor includes an insulating foil configured to be connected to the first or second terminal of the semiconductor-based switch and an inductance arranged on the insulating foil on a side of the same that is arranged opposite to a side facing the semiconductor-based switch during a measurement operation of the sensor in order to detect a magnetic field generated by the power current to provide a measurement voltage based on the detected magnetic field. The inductance is spaced apart from the semiconductor-based switch at least by the insulating foil, such that contactless measurement is enabled. The insulating foil includes a mounting portion.
Type:
Grant
Filed:
October 21, 2016
Date of Patent:
October 16, 2018
Assignee:
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Abstract: Provided are a voice audio encoding device, voice audio decoding device, voice audio encoding method, and voice audio decoding method that efficiently perform bit distribution and improve sound quality. Dominant frequency band identification unit identifies a dominant frequency band having a norm factor value that is the maximum value within the spectrum of an input voice audio signal. Dominant group determination units and non-dominant group determination unit group all sub-bands into a dominant group that contains the dominant frequency band and a non-dominant group that contains no dominant frequency band. Group bit distribution unit distributes bits to each group on the basis of the energy and norm variance of each group. Sub-band bit distribution unit redistributes the bits that have been distributed to each group to each sub-band in accordance with the ratio of the norm to the energy of the groups.
Type:
Grant
Filed:
August 10, 2017
Date of Patent:
October 16, 2018
Assignee:
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Abstract: An audio decoder configured to produce an audio signal from a bitstream containing audio frames includes: a core band decoding module configured to derive a directly decoded core band audio signal from the bitstream; a bandwidth extension module configured to derive a parametrically de-coded bandwidth extension audio signal from the core band audio signal and from the bitstream, wherein the bandwidth extension audio signal is based on a frequency domain signal having at least one frequency band; and a combiner configured to combine the core band audio signal and the bandwidth extension audio signal so as to produce the audio signal; wherein the bandwidth extension module includes an energy adjusting module being configured in such way that in a current audio frame in which an audio frame loss occurs, an adjusted signal energy for the cur-rent audio frame for the at least one frequency band is set.
Type:
Grant
Filed:
December 18, 2015
Date of Patent:
October 9, 2018
Assignee:
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Inventors:
Jérémie Lecomte, Fabian Bauer, Ralph Sperschneider, Arthur Tritthart
Abstract: An apparatus for generating a plurality of audio channels for a first speaker setup is characterized by an imaginary speaker determiner, an energy distribution calculator, a processor and a renderer. The imaginary speaker determiner is configured to determine a position of an imaginary speaker not contained in the first speaker setup to obtain a second speaker setup containing the imaginary speaker. The energy distribution calculator is configured to calculate an energy distribution from the imaginary speaker to the other speakers in the second speaker setup. The processor is configured to repeat the energy distribution to obtain a downmix information for a downmix from the second speaker setup to the first speaker setup. The renderer is configured to generate the plurality of audio channels using the downmix information.
Type:
Grant
Filed:
July 14, 2017
Date of Patent:
October 9, 2018
Assignee:
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Inventors:
Christian Borss, Christian Ertel, Johannes Hilpert, Achim Kuntz, Michael Fischer, Florian Schuh, Bernhard Grill
Abstract: The present invention pertains to a new compound E)-2-(5-((4-methoxy-2-(trifluoromethyl)quinolin-6-yl)methoxy)-2-((4-(trifluoromethyl) benzyl)oxy)-benzylidene) hexanoic acid (MTTB), and its derivatives. The compounds of the invention are useful as selective peroxisome proliferator-activated receptor gamma (PPAR?) antagonists and are indicated for the use in the treatment of immune related diseases such as systemic inflammation, sepsis and septic shock.
Type:
Grant
Filed:
July 14, 2015
Date of Patent:
October 9, 2018
Assignee:
FRAUNHOFER-GESELLSCHAFT ZUR FÖDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
Inventors:
Tilo Knape, Andreas Von Knethen, Michael John Parnham, Manfred Schubert-Zsilavecz, Mario Wurglics, Daniel Flesch
Abstract: A decoder for generating an audio output signal having one or more audio output channels from a downmix signal having one or more downmix channels is provided. The downmix signal encodes one or more audio object signals. The decoder has a threshold determiner for determining a threshold value depending on a signal energy and/or a noise energy of at least one of the of or more audio object signals and/or depending on a signal energy and/or a noise energy of at least one of the one or more downmix channels. Moreover, the decoder has a processing unit for generating the one or more audio output channels from the one or more downmix channels depending on the threshold value, by computing eigenvalues of a downmix channel cross correlation matrix, wherein each eigenvalue except largest eigenvalue is compared to the threshold value, and omitted if they are smaller.
Type:
Grant
Filed:
January 28, 2015
Date of Patent:
October 9, 2018
Assignee:
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Inventors:
Leon Terentiv, Oliver Hellmuth, Juergen Herre, Thorsten Kastner
Abstract: A forward error correction (FEC) data generator has an input for at least two datastreams for which FEC data shall be generated in a joint manner, each datastream having a plurality of symbols. A FEC data symbol is based on a FEC source block possibly having a subset of symbols of the at least two data streams. The FEC data generator further has a signaling information generator configured to generate signaling information for the FEC data symbol regarding which symbols within the at least two datastreams belong to the corresponding source block by determining pointers to start symbols within a first and a second datastream, respectively, of the at least two datastreams and a number of symbols within the first datastream and second datastreams, respectively, that belong to the corresponding source block.
Type:
Grant
Filed:
July 10, 2015
Date of Patent:
October 9, 2018
Assignee:
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
Inventors:
Cornelius Hellge, Thomas Schierl, Yago Sanchez, Manuel Hensel
Abstract: An RFID reader includes a transmitter, a receiver, and an evaluator. The receiver receives signals from RFID tags within a given number of slots of a time frame with a given frame size and provides a number of successful slots and a number of collided slots. The evaluator sets a modified frame size based on an estimated number of RFID tags which is determined based on the frame size, the number of successful slots, and the number of collided slots. The invention also refers to a corresponding method.
Type:
Grant
Filed:
February 10, 2017
Date of Patent:
October 9, 2018
Assignees:
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Friedrich-Alexander-Universitaet Erlangen-Nuernberg
Abstract: Apparatuses with actuators having actuator-side attachment areas disposed thereon, an optical element having mirror-side attachment areas disposed thereon and springs are described, wherein an optical element is connected to actuators via two or four springs.
Type:
Grant
Filed:
May 28, 2014
Date of Patent:
October 9, 2018
Assignee:
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Inventors:
Shanshan Gu-Stoppel, Dirk Kaden, Christian Eisermann
Abstract: An apparatus for encoding audio information is provided. The apparatus for encoding audio information includes a selector for selecting a comfort noise generation mode from two or more comfort noise generation modes depending on a background noise characteristic of an audio input signal, and an encoding unit for encoding the audio information, wherein the audio information includes mode information indicating the selected comfort noise generation mode.
Type:
Grant
Filed:
January 27, 2017
Date of Patent:
October 2, 2018
Assignee:
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Inventors:
Emmanuel Ravelli, Martin Dietz, Wolfgang Jaegers, Christian Neukam, Stefan Reuschl
Abstract: The invention relates to a cathode unit for an alkaline metal/sulphur battery, containing a cathode arrester, which comprises a carbon substrate, and an electrochemically active component, which is selected from sulphur or an alkaline metal sulphide and is in electrically conductive contact with the carbon substrate.
Type:
Grant
Filed:
June 19, 2012
Date of Patent:
October 2, 2018
Assignee:
FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
Inventors:
Markus Hagen, Holger Althues, Stefan Kaskel, Thomas Berger, Susanne Dörfler
Abstract: It is provided a vectorial network analyzer, comprising an input and output measuring device; a beat source for generating an optical beat signal; an optical transmission device which divides the optical beat signal into at least one first and one second partial signal, wherein the transmission device conducts the first partial signal to at least one terahertz transmitter and the second partial signal to at least one terahertz receiver and/or to at least one terahertz reference receiver; and a phase changing unit for varying the phase of the first and/or the second partial signal of the optical beat signal.
Type:
Grant
Filed:
June 7, 2016
Date of Patent:
October 2, 2018
Assignee:
FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
Inventors:
Karl-Otto Velthaus, Thorsten Göbel, Jung Han Choi
Abstract: An audio decoder is proposed for decoding a multi-object audio signal including a downmix signal X and side information PSI. The side information includes object-specific side information PSIi for an audio object si in a time/frequency region R(tR,fR), and object-specific time/frequency resolution information TFRIi indicative of an object-specific time/frequency resolution TFRh of the object-specific side information for the audio object si in the time/frequency region R(tR,fR). The audio decoder includes an object-specific time/frequency resolution determiner 110 configured to determine the object-specific time/frequency resolution information TFRIi from the side information PSI for the audio object si. The audio decoder further includes an object separator 120 configured to separate the audio object si from the downmix signal X using the object-specific side information in accordance with the object-specific time/frequency resolution TFRIi.
Type:
Grant
Filed:
November 12, 2015
Date of Patent:
October 2, 2018
Assignee:
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Abstract: In an embodiment, the method includes providing a blank, applying a marking to the blank in places and heating the blank with the marking to a deformation temperature. The method further includes deforming the blank to form the workpiece and cooling the workpiece, wherein deforming is a hot forming, wherein the marking remains at the workpiece at least until after deforming and cooling, and is not destroyed by deforming, and wherein the marking has a difference in the degree of reflection and/or a difference in the degree of reflectance and/or a difference in albedo of at least 15 percentage points in at least part of the near ultraviolet, visible and/or near infrared spectral range both with respect to the blank and with respect to the workpiece.
Type:
Grant
Filed:
April 28, 2016
Date of Patent:
October 2, 2018
Assignee:
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.