Patents Assigned to Friedrich-Alexander-Universitaet Erlangen-Nuernberg
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Patent number: 9502921Abstract: The invention relates to a circuit for a system for contactless, inductive power transmission, in particular for use in supplying power to mobile devices, and to an associated charging circuit. The circuit comprises a primary-side circuit, which is disposed on a primary side and can be connected to a primary-side supply voltage, and a secondary-side circuit, which is disposed on a secondary side and can be connected to a load to be supplied with power. Furthermore a transformer stage having galvanic isolation is provided for the contactless transfer of power from the primary side over an air gap to the secondary side, wherein at least two magnetically coupled coils are provided for inductive power transmission and can be spatially separated from one another by distancing the secondary side from the primary side. The transformer stage has a resonant converter and the secondary-side circuit further comprises a restabilization stage.Type: GrantFiled: May 27, 2011Date of Patent: November 22, 2016Assignee: FRIEDRICH-ALEXANDER-UNIVERSITÄT ERLANGEN-NÜRNBERGInventors: Alexander Bucher, Thomas Durbaum
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Patent number: 9440219Abstract: The invention relates to a filter material which is used, in particular in filters or as a filter for treating and/or purifying gas, in particular for clean room environments. The filter material comprises at least one activated carbon, in particular with reactive and/or catalytic finishing and the activated carbon is present in the form of discrete activated carbon particles, preferably in a spherical and/or grain form. The activated carbon comprises and/or is provided with at least one metal component which contains at least one metal-containing ionic liquid (IL), containing in particular metal ions, preferably based on a metal compound.Type: GrantFiled: May 25, 2012Date of Patent: September 13, 2016Assignees: Blücher GmbH, Friedrich-Alexander-Universität Erlangen-NürnbergInventors: Bertram Böhringer, Ilsebill Eckle, Peter Wasserscheid, Daniel Roth
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Patent number: 9298532Abstract: In a method and a device for determining a physical quantity from a number of measured values containing errors, grouping of the number of measured values containing errors into a plurality of subgroups of measured values is executed, wherein each subgroup includes a redundancy, so that more measured values than the number of measured quantities are contained in each subgroup. Hereupon, a reliability quantity for each subgroup is calculated based on the redundancy contained in the subgroup. Further, individual evidence is allocated to the measured values containing errors of each subgroup based on the reliability quantity for the respective subgroups. An evidence determiner determines one overall evidence each for each measured value containing errors based on the individual evidence quantities for a respective measured value. Hereupon, a processor calculates the physical quantity using at least some of the measured values containing errors and at least some of the overall evidences.Type: GrantFiled: October 17, 2012Date of Patent: March 29, 2016Assignees: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Friedrich-Alexander-Universitaet Erlangen-NuernbergInventors: Lucila Patino-Studencka, Joern Thielecke
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Patent number: 9269144Abstract: Images of an object, such as OCT scans of a human eye, can include distortions and data gaps due to relative motion of the object and the image acquisition device. Methods and systems for correction of such distortions and data gaps are described herein. Motion-corrected data is arrived at by applying three-dimensional transforms to input three-dimensional data sets that represent at least partially overlapping regions of the imaged object. The three dimensional transforms are computed based on an objective function that accounts for similarity between the transformed three-dimensional data sets and the estimated motion of the object relative to an imaging instrument. Methods and systems described herein advantageously eliminate the need for postulated assumptions and reliance on landmarks and are capable of filling data gaps, thereby producing high quality, undistorted images of objects subject to movement during imaging.Type: GrantFiled: April 29, 2011Date of Patent: February 23, 2016Assignees: Friedrich-Alexander-Universitaet Erlangen-Nuernberg, Massachusetts Institute of TechnologyInventors: Martin F. G. Kraus, Benjamin M. Potsaid, James G. Fujimoto, Markus Anton Mayer, Ruediger Bock, Joachim Hornegger
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Patent number: 9269774Abstract: An electronic device (1) includes a semiconductor substrate (3) having a front surface (7), a first electrode (8) and a second electrode (9) disposed on the front surface (7) of the substrate (3), wherein the first electrode (8) and the second electrode (9) each have at least one epitaxial graphene monolayer (10). The at least one epitaxial graphene monolayer (10) of the first electrode (8) forms an ohmic contact with the substrate (3) and the at least one epitaxial graphene monolayer (10) of the second electrode (9) forms a Schottky barrier with the substrate (3).Type: GrantFiled: June 18, 2012Date of Patent: February 23, 2016Assignee: Friedrich-Alexander-Universität Erlangen-NürnbergInventors: Heiko B. Weber, Michael Krieger, Stefan Hertel, Florian Krach, Johannes Jobst, Daniel Waldmann
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Patent number: 9263526Abstract: A semiconductor component (1, 20, 30) comprising a semiconductor substrate (3) composed of silicon carbide and comprising separate electrodes (4, 5) applied thereto, said electrodes each comprising at least one monolayer of epitaxial graphene (11) on silicon carbide, in such a way that a current channel is formed between the electrodes (4, 5) through the semiconductor substrate (3).Type: GrantFiled: March 29, 2012Date of Patent: February 16, 2016Assignee: Friedrich-Alexander-Universität Erlangen-NürnbergInventors: Heiko B. Weber, Michael Krieger, Stefan Hertel, Florian Krach, Johannes Jobst, Daniel Waldmann
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Patent number: 9262831Abstract: In a device and a corresponding method for joining a plurality of individual digital images to form a total image, a plurality of features is determined in a first individual image by means of a selection unit using a feature-based algorithm and then tracked in a second individual image by means of a tracking unit. A transformation matrix, with which the individual images are joined in an output unit to form the total image, is calculated from the determined feature correspondences in a transformation unit. The individual images can be joined in real time and with a high degree of accuracy by means of the feature-based algorithm in combination with a robust algorithm to calculate the transformation matrix.Type: GrantFiled: August 23, 2010Date of Patent: February 16, 2016Assignees: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG e.V., Friedrich-Alexander-Universität Erlangen-NürnbergInventors: Christian Münzenmayer, Christian Winter, Thomas Wittenberg, Stephan Rupp, Dietrich Paulus, Tobias Bergen, Steffen Ruthotto
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Patent number: 9198607Abstract: An armband comprising a detection device for detecting a blood count parameter in a blood vessel of the arm and an adjustment device for adjusting a predefined contact pressure of the armband on the arm.Type: GrantFiled: October 28, 2011Date of Patent: December 1, 2015Assignees: eesy-id GmbH, Friedrich-Alexander-Universitaet Erlangen-NuernbergInventor: Georg Fischer
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Patent number: 9186087Abstract: A method for compensating cardiac and respiratory motion in atrial fibrillation ablation procedures includes (a) simultaneously determining a position of a circumferential mapping (CFM) catheter and a coronary sinus (CS) catheter in two consecutive image frames of a series of first 2-D image frames; (b) determining a distance between a virtual electrode on the CS catheter and a center of the CFM catheter for a first image frame of the two consecutive image frames, and for a second image frame of the two consecutive image frames; and (c) if an absolute difference of the distance for the first image frame and the distance for the second image frame is greater than a predetermined threshold, compensating for motion of the CFM catheter in a second 2-D image.Type: GrantFiled: March 29, 2012Date of Patent: November 17, 2015Assignees: Siemens Aktiengesellschaft, Friedrich-Alexander-Universität Erlangen-NürnbergInventors: Rui Liao, Alexander Benjamin Brost, Wen Wu, Terrence Chen, Joachim Hornegger, Martin Willibald Koch, Norbert Strobel, Andreas Wimmer
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Patent number: 9143856Abstract: An apparatus for capturing audio information from a target location includes first and second beamformers arranged in a recording environment and having first and second recording characteristics, respectively, and a signal generator. The first and second beamformers are configured for recording first and second beamformer audio signals, respectively, when they are directed towards the target location with respect to the first and second recording characteristics. The first and second beamformers are arranged such that first and second virtual straight lines, defined to pass through the first and second beamformers, respectively, and the target location, are not mutually parallel. The signal generator is configured to generate an audio output signal based on the first and second beamformer audio signals so that the audio output signal reflects relatively more audio information from the target location compared to the audio information from the target location in the first and second beamformer audio signals.Type: GrantFiled: May 29, 2013Date of Patent: September 22, 2015Assignees: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Friedrich-Alexander-Universitaet Erlangen-NuernbergInventors: Juergen Herre, Fabian Kuech, Markus Kallinger, Giovanni Del Galdo, Bernhard Grill
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Patent number: 9119580Abstract: A detection device for detecting a blood count parameter in a blood vessel, comprising a transmitter to inject a first transmit signal of a first frequency into the blood vessel and a second transmit signal of a second frequency into the blood vessel, a receiver to receive a first receive signal at the first frequency and a second receive signal at the second frequency, a loss detector to determine a first loss value on the basis of the first transmit signal and the first receive signal at the first frequency, and to determine a second loss value on the basis of the second transmit signal and the second receive signal at the second frequency, and a processor to determine a first frequency shift of the first loss value relative to a first reference loss value, determine a second frequency shift of the second loss value relative to a second reference loss value, and determine the blood count parameter on the basis of the first frequency shift and the second frequency shift.Type: GrantFiled: October 28, 2011Date of Patent: September 1, 2015Assignees: eesy-id GmbH, Friedrich-Alexander-Universitaet Erlangen-NuernbergInventor: Georg Fischer
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Patent number: 9047701Abstract: A method of obtaining a volumetric image includes obtaining a plurality of volumetric images, the volumetric images generated using respective sets of projection images, wherein the volumetric images and the respective sets of projection images correspond with different respective bins for a physiological cycle, and determining an additional volumetric image using one or more of the projection images from each of the sets that correspond with the different respective bins for the physiological cycle, wherein the act of determining the additional volumetric image is performed using a processor.Type: GrantFiled: March 31, 2012Date of Patent: June 2, 2015Assignees: VARIAN MEDICAL SYSTEMS, INC., VARIAN MEDICAL SYSTEMS INTERNATIONAL AG, FRIEDRICH-ALEXANDER-UNIVERSITAET ERLANGEN-NUERNBERGInventors: Marcus Brehm, Timo Berkus, Markus Oelhafen, Patrik Kunz, Marc Kachelriess, Corey E. Zankowski
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Patent number: 9028408Abstract: A detection device for detecting a blood count parameter in a blood vessel, comprising a transmitter having a number of transmit antennas for transmitting at least one transmit signal, a receiver having a number of receive antennas for receiving at least one receive signal, a processor to select a detection configuration comprising one of the transmit antennas and one of the receive antennas and select a second detection configuration comprising one of the transmit antennas and one of the receive antennas, and a loss detector that is designed, when the first detection configuration is selected to transmit a transmit signal, to detect a first loss value on the basis of the transmit signal and a receive signal, and, when the second detection configuration is selected to transmit a transmit signal, detect a second loss value on the basis of the transmit signal and a receive signal. The processor is designed to select the detection configuration having the lower loss value to detect the blood count parameter.Type: GrantFiled: October 28, 2011Date of Patent: May 12, 2015Assignees: eesy-id GmbH, Friedrich-Alexander-Universitaet Erlangen-NuernbergInventor: Georg Fischer
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Publication number: 20140378827Abstract: A method and system for motion estimation modeling for cardiac and respiratory motion compensation is disclosed. Specifically, a coronary sinus catheter is tracked in a plurality of frames of a fluoroscopic image sequence; and cardiac and respiratory motion of a left atrium is estimated in each of the plurality of frames based on tracking results of the coronary sinus catheter using a trained motion estimation model.Type: ApplicationFiled: January 18, 2013Publication date: December 25, 2014Applicants: SIEMENS AKTIENGESELLSCHAFT, FRIEDRICH-ALEXANDER-UNIVERSITÄT ERLANGEN-NÜRNBERGInventors: Alexander Benjamin Brost, Sebastian Kaeppler, Martin Ostermeier, Norbert Strobel, Wen Wu, Terrence Chen
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Publication number: 20140345119Abstract: The invention relates to a method for producing substantially two-dimensional flat coils (28), wherein at least two cover plates (2, 3) that each have a cover surface (20) and a former (4) having a former surface (21) that is smaller than the cover surfaces are provided, wherein the former is releasably clamped between the two cover plates, such that at least some sections of lateral support surfaces (10) are formed by projecting sections (9) of the cover plates, wherein a coil conductor (25) for the geometry of the flat coil (28) is wound along the circumference of the former between the cover plates, and wherein the wound coil conductors (25) are fixed locally relative to one another through cut-outs (16) in at least one of the cover plates. The invention further relates to a corresponding winding device (1, 11, 22).Type: ApplicationFiled: August 7, 2012Publication date: November 27, 2014Applicant: FRIEDRICH-ALEXANDER-UNIVERSITÄT ERLANGEN-NÜRNBERGInventors: Jan Tremel, Florian Risch
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Publication number: 20140330410Abstract: The invention relates to a system for supporting an exercise movement, comprising an object, a detection device (101) for detecting an actual position of the object, a determination device (103) for determining a desired position of the object, and a display device (105) for displaying information on the desired position if the actual position and the desired position are different from each other.Type: ApplicationFiled: September 20, 2011Publication date: November 6, 2014Applicant: Friedrich-Alexander-Universität Erlangen-NürnbergInventor: Matthias Lochmann
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Publication number: 20140330411Abstract: The invention relates to a system for detecting a user-dependent state of a sports object, comprising a detection device (101) for detecting a plurality of positions of the sports object, and a determination device (103) for determining the state of the sports object based on the plurality of positions detected.Type: ApplicationFiled: September 20, 2011Publication date: November 6, 2014Applicant: Friedrich-Alexander-Universitaet Erlangen -NuernbergInventor: Matthias Lochmann
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Patent number: 8821414Abstract: A device for predicting a loss of control over a muscle of a human being has a detector for detecting a sound of the muscle, an acquirer for acquiring an acceleration of the human being and an evaluator for evaluating the sound and the acceleration to determine an imminent loss of control over the muscle from the sound and the acceleration.Type: GrantFiled: June 16, 2008Date of Patent: September 2, 2014Assignees: Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forschung E.V., Friedrich-Alexander-Universitaet Erlangen-NuernbergInventors: Hans-Joachim Moersdorf, Stefan Aschenbrenner, Joern Thielecke, Hubert Schmitt
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Publication number: 20140229187Abstract: An apparatus for providing one or more adjusted parameters for a provision of an upmix signal representation on the basis of a downmix signal representation and an object-related parametric information includes a parameter adjuster. The parameter adjuster is configured to receive one or more input parameters and to provide, on the basis thereof, one or more adjusted parameters. The parameter adjuster is configured to provide the one or more adjusted parameters in dependence on the one or more input parameters and the object-related parametric information, such that a distortion of the upmix signal representation caused by the use of non-optimal parameters is reduced at least for input parameters deviating from optimal parameters by more than a predetermined deviation.Type: ApplicationFiled: April 10, 2014Publication date: August 14, 2014Applicants: FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V., Dolby International AB, Friedrich-Alexander-Universitaet Erlangen-NuernbergInventors: Juergen HERRE, Andreas HOELZER, Leonid TERENTIEV, Thorsten KASTNER, Cornelia FALCH, Heiko PURNHAGEN, Jonas ENGDEGARD, Falko RIDDERBUSCH
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Publication number: 20140225066Abstract: An electronic device (1) includes a semiconductor substrate (3) having a front surface (7), a first electrode (8) and a second electrode (9) disposed on the front surface (7) of the substrate (3), wherein the first electrode (8) and the second electrode (9) each have at least one epitaxial graphene monolayer (10). The at least one epitaxial graphene monolayer (10) of the first electrode (8) forms an ohmic contact with the substrate (3) and the at least one epitaxial graphene monolayer (10) of the second electrode (9) forms a Schottky barrier with the substrate (3).Type: ApplicationFiled: June 18, 2012Publication date: August 14, 2014Applicant: FRIEDRICH-ALEXANDER-UNIVERSITÄT ERLANGEN-NÜRNBERGInventors: Heiko B. Weber, Michael Krieger, Stefan Hertel, Florian Krach, Johannes Jobst, Daniel Waldmann