Patents by Inventor Tobias Dräger

Tobias Dräger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11881637
    Abstract: Embodiments of the present invention provide an antenna arrangement including a magnetic antenna and a tuning element. The magnetic antenna includes a loop interrupted one or several times and a tuning element for tuning the magnetic antenna. The tuning element is configured to provide a tuning signal (e.g., control signal) for tuning the magnetic antenna, and to control the tuning element with the tuning signal to tune the magnetic antenna.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: January 23, 2024
    Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
    Inventors: Gerd Kilian, Josef Bernhard, Tobias Dräger, Christopher Laske, Ralph Oppelt, Michael Kamper, Felix Auer, Stefan Ereth, Gerald Ulbricht
  • Publication number: 20240018989
    Abstract: A connection device, in particular a screw connection device, including: an energy supply device; a communication device, and a sensor system, wherein the energy supply device is configured to supply the sensor system and/or the communication device with energy, wherein the communication device is configured to transfer a sensor value with the aid of the sensor system to the outside.
    Type: Application
    Filed: February 24, 2023
    Publication date: January 18, 2024
    Inventors: Peter SPIES, Johannes WIECZOREK, Markus POLLAK, Johannes WORM, Ferdinand KEMETH, Marcel PLOGMEYER, Saskia Nina BIEHL, Anja GEMEINHARDT, Alexej JARRESCH, Tobias DRÄGER
  • Publication number: 20220212556
    Abstract: A method is disclosed for determining a relative pose between a primary winding structure and a secondary winding structure of a system for inductive power transfer to a vehicle. The method includes obtaining first output values generated by multiple receiving devices of a first radio direction finding system. The first radio direction finding system further includes a transmitting device. The receiving devices generate the output values in response to receiving a position signal transmitted by the transmitting device. The method includes determining a motion value of the vehicle. The method includes providing the obtained first output values and the motion value as input values to a model. The method includes determining a first relative pose based on the model. The method includes determining the relative pose based on the first relative pose.
    Type: Application
    Filed: March 25, 2022
    Publication date: July 7, 2022
    Inventors: Sotirios Sotiriou, Daniel Cichon, Tobias Dräger
  • Patent number: 11268801
    Abstract: A method for determining a position of a movable object is disclosed. The method comprises generating an electromagnetic exciter field. The electromagnetic exciter field is configured to excite the movable object to develop a magnetic response field. Further, the method includes determining a plurality of measurement values for the magnetic response field by measuring the magnetic response field at a plurality of predetermined measuring positions. Further, the method includes determining the position of the movable object based on a comparison of the plurality of measurement values with reference measurement values. Here, one position of the movable object is allocated to each of the reference measurement values. Further, the reference measurement values are each determined by a simulation.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: March 8, 2022
    Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
    Inventors: Rafael Psiuk, Markus Hartmann, Tobias Draeger
  • Patent number: 11237264
    Abstract: A method for locating an RFID transponder is proposed. The method comprises generating a plurality of measurement signals based on a magnetic field measured by a plurality of sensors. The method further comprises determining a respective degree of correlation for each of the plurality of measurement signals with a reference signal. The reference signal is based on a data sequence assigned to the RFID transponder. In addition, the method comprises determining a position of the RFID transponder based on the degrees of correlation of the plurality of measurement signals.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: February 1, 2022
    Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
    Inventors: Rafael Psiuk, Tobias Draeger, Joern Thielecke, Alfred Mueller, Maximilian Singh
  • Publication number: 20220013910
    Abstract: Embodiments of the present invention provide an antenna arrangement including a magnetic antenna and a tuning element. The magnetic antenna includes a loop interrupted one or several times and a tuning element for tuning the magnetic antenna. The tuning element is configured to provide a tuning signal (e.g., control signal) for tuning the magnetic antenna, and to control the tuning element with the tuning signal to tune the magnetic antenna.
    Type: Application
    Filed: September 24, 2021
    Publication date: January 13, 2022
    Inventors: Gerd KILIAN, Josef BERNHARD, Tobias DRÄGER, Christopher LASKE, Ralph OPPELT, Michael KAMPER, Felix AUER, Stefan ERETH, Gerald ULBRICHT
  • Patent number: 11156490
    Abstract: A method for determining a filling level of a storage container is disclosed. The method comprises generating a magnetic exciter field. The magnetic exciter field is configured to excite a content of the storage container to form a magnetic response field. The method further comprises determining at least one measurement value for the magnetic response field. The method further comprises determining the filling level of the storage container based on a position of the storage container and comparing the at least one measurement value with reference measurement values. One filling level of the storage container is assigned to each of the reference measurement values.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: October 26, 2021
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Rafael Psiuk, Mathis Huther, Tobias Draeger
  • Patent number: 11044127
    Abstract: Embodiments of the present invention provide a data transmitter for transmitting a radio signal, the data transmitter being configured to modify a standard-based radio signal in order to transmit a modified radio signal, the amplitude of which, in a frequency band, additionally has a bit sequence.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: June 22, 2021
    Inventors: Heinrich Milosiu, Frank Oehler, Tobias Dräger
  • Publication number: 20210055408
    Abstract: A method for locating an RFID transponder is proposed. The method comprises generating a plurality of measurement signals based on a magnetic field measured by a plurality of sensors. The method further comprises determining a respective degree of correlation for each of the plurality of measurement signals with a reference signal. The reference signal is based on a data sequence assigned to the RFID transponder. In addition, the method comprises determining a position of the RFID transponder based on the degrees of correlation of the plurality of measurement signals.
    Type: Application
    Filed: January 10, 2019
    Publication date: February 25, 2021
    Inventors: Rafael PSIUK, Tobias DRAEGER, Joern THIELECKE, Alfred Mueller, Maximilian Singh
  • Patent number: 10900812
    Abstract: A method for determining information on a position of an object, the object emitting a magnetic field in response to an exciting electromagnetic field comprises monitoring (100) a receive signal of at least one loop antenna, the receive signal having a contribution caused by the emitted magnetic field; determining a first quadrature component (102) of the receive signal; and determining the information on the position of the object (104) based on the first quadrature component.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: January 26, 2021
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Rafael Psiuk, Markus Hartmann, Tobias Draeger, Jørn Eskildsen
  • Patent number: 10848611
    Abstract: The invention relates to an apparatus for mobile application, including a frequency spectrum generator for generating a frequency spectrum of radio waves at a current position of the apparatus and a classifier for classifying the frequency spectrum such that the frequency spectrum is assigned to one of at least two classes.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: November 24, 2020
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Hans Adel, Heinrich Milosiu, Maximilian Roth, Tobias Draeger, Matthias Kuba, Christopher Kaffenberger
  • Publication number: 20200209042
    Abstract: A method for determining a filling level of a storage container is disclosed. The method comprises generating a magnetic exciter field. The magnetic exciter field is configured to excite a content of the storage container to form a magnetic response field. The method further comprises determining at least one measurement value for the magnetic response field. The method further comprises determining the filling level of the storage container based on a position of the storage container and comparing the at least one measurement value with reference measurement values. One filling level of the storage container is assigned to each of the reference measurement values.
    Type: Application
    Filed: May 17, 2018
    Publication date: July 2, 2020
    Inventors: Rafael PSIUK, Mathis HUTHER, Tobias DRAEGER
  • Publication number: 20200049479
    Abstract: A method for determining a position of a movable object is disclosed. The method comprises generating an electromagnetic exciter field. The electromagnetic exciter field is configured to excite the movable object to develop a magnetic response field. Further, the method includes determining a plurality of measurement values for the magnetic response field by measuring the magnetic response field at a plurality of predetermined measuring positions. Further, the method includes determining the position of the movable object based on a comparison of the plurality of measurement values with reference measurement values. Here, one position of the movable object is allocated to each of the reference measurement values. Further, the reference measurement values are each determined by a simulation.
    Type: Application
    Filed: August 29, 2017
    Publication date: February 13, 2020
    Inventors: Rafael PSIUK, Markus HARTMANN, Tobias DRAEGER
  • Publication number: 20190195658
    Abstract: A method for determining information on a position of an object, the object emitting a magnetic field in response to an exciting electromagnetic field comprises monitoring (100) a receive signal of at least one loop antenna, the receive signal having a contribution caused by the emitted magnetic field; determining a first quadrature component (102) of the receive signal; and determining the information on the position of the object (104) based on the first quadrature component.
    Type: Application
    Filed: August 31, 2017
    Publication date: June 27, 2019
    Inventors: Rafael PSIUK, Markus HARTMANN, Tobias DRAEGER, Jørn ESKILDSEN
  • Publication number: 20190074973
    Abstract: A method of generating an authentication message includes receiving an initialization message; encrypting the initialization message by means of a first cryptographic method to obtain an intermediary message; and encrypting the intermediary message by means of a second cryptographic method to obtain the authentication message.
    Type: Application
    Filed: January 31, 2017
    Publication date: March 7, 2019
    Inventors: Niels HADASCHIK, Marco Breiling, Tobias DRÄGER
  • Publication number: 20190020754
    Abstract: The invention relates to an apparatus for mobile application, including a frequency spectrum generator for generating a frequency spectrum of radio waves at a current position of the apparatus and a classifier for classifying the frequency spectrum such that the frequency spectrum is assigned to one of at least two classes.
    Type: Application
    Filed: September 19, 2018
    Publication date: January 17, 2019
    Inventors: Hans ADEL, Heinrich MILOSIU, Maximilian ROTH, Tobias DRAEGER, Matthias KUBA, Christopher KAFFENBERGER
  • Patent number: 10171647
    Abstract: A first aspect of the invention relates to an apparatus for mobile application, including a frequency spectrum generator for generating a frequency spectrum of radio waves at a current position of the apparatus and a classifier for classifying the frequency spectrum such that the frequency spectrum is assigned to one of at least two classes. A second aspect of the invention relates to a frequency spectrum generator with a tunable local oscillator, with a downmixer for downmixing a received antenna signal with the local oscillator signal for obtaining a downmixed signal, with a filter for filtering out a mirror-frequency portion in the downmixed signal, with a signal level detector for detecting a signal level of the downmixed signal at an intermediate frequency and with a control for sequentially controlling the local oscillator and the signal level detector to sample a frequency spectrum of the antenna signal.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: January 1, 2019
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der andgewandten Forschung e.V.
    Inventors: Hans Adel, Heinrich Milosiu, Maximilian Roth, Tobias Draeger, Matthias Kuba, Christopher Kaffenberger
  • Patent number: 10165106
    Abstract: A first aspect of the invention relates to an apparatus for mobile application, including a frequency spectrum generator for generating a frequency spectrum of radio waves at a current position of the apparatus and a classifier for classifying the frequency spectrum such that the frequency spectrum is assigned to one of at least two classes. A second aspect of the invention relates to a frequency spectrum generator with a tunable local oscillator, with a downmixer for downmixing a received antenna signal with the local oscillator signal for obtaining a downmixed signal, with a filter for filtering out a mirror-frequency portion in the downmixed signal, with a signal level detector for detecting a signal level of the downmixed signal at an intermediate frequency and with a control for sequentially controlling the local oscillator and the signal level detector to sample a frequency spectrum of the antenna signal.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: December 25, 2018
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Hans Adel, Heinrich Milosiu, Maximilian Roth, Tobias Draeger, Matthias Kuba, Christopher Kaffenberger
  • Patent number: 10081266
    Abstract: Embodiments of the present invention provide a measuring device with a receiver coil array and evaluator. The receiver coil array is configured to detect three magnetic field components of a magnetic field of a conductor loop array generated by an electric alternating current signal and to provide a magnetic field component signal for each of the detected three magnetic field components. The evaluator is configured to evaluate the magnetic field component signals in order to determine the phase relation to the electric alternating current signal allocated for the magnetic field component signals, wherein the phase relations each include coarse position information of the conductor loop array relative to the conductor loop array and wherein the evaluator is configured to determine a resulting intersection of the coarse position information, wherein the resulting intersection includes or results in fine position information of the receiver coil array relative to the conductor loop array.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: September 25, 2018
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forschung e.V.
    Inventors: Tobias Draeger, Josef Bernhard, Martin Guettler, Markus Hartmann
  • Patent number: 10012750
    Abstract: Embodiments of the present invention provide a device for monitoring access to a storage area of a plurality of storage areas for goods, including a measurement signal generation, detection, and evaluator. The measurement signal generator includes a signal source and a conductor loop arrangement, the detector for detecting the generated magnetic field is configured to provide a measurement signal on the basis of the detected magnetic field, and the evaluator for evaluating the measurement signal is configured to determine an instance of access to one of the storage areas on the basis of the measurement signal, to compare a determined instance of access with a target access instance, and to output a display signal on the basis of the comparison.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: July 3, 2018
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Tobias Draeger, Roland Fischer, Iker Mayordomo, Christine Gundelfinger, Markus Hartmann