Patents by Inventor David Brunner
David Brunner 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).
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Publication number: 20210271072Abstract: An oscillator system includes an electrostatic oscillator structure configured to oscillate about an axis based on a deflection that varies over time; an actuator configured to drive the electrostatic oscillator structure about the axis, the actuator including a first capacitive element having a first capacitance dependent on the deflection and a second capacitive element having a second capacitance dependent on the deflection; a sensing circuit configured to receive a first displacement current from the first capacitive element and a second displacement current from the second capacitive element, to integrate the first displacement current to generate a first capacitive charge value, and to integrate the second displacement current to generate a second capacitive charge value; and a measurement circuit configured to receive the first and the second capacitive charge values and to measure the deflection of the electrostatic oscillator structure based on the first and the second capacitive charge values.Type: ApplicationFiled: February 28, 2020Publication date: September 2, 2021Applicant: Infineon Technologies AGInventors: Richard SCHROEDTER, Han Woong YOO, David BRUNNER, Georg SCHITTER, Franz Michael DARRER, Marcus Edward HENNECKE
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Publication number: 20210223536Abstract: An oscillator control system includes an non-linear oscillator structure configured to oscillate about an axis; a driver circuit configured to generate a driving signal to drive the oscillator structure; a detection circuit configured to measure an angle amplitude and a phase error of the oscillator structure; an amplitude controller configured to generate a reference oscillator period based on the measured angle amplitude; a period and phase controller configured to receive the reference oscillator period and the measured phase error from the detection circuit, generate at least one control parameter of the driving signal based on the reference oscillator period and the measured phase error, and determine a driving period of the driving signal based on the reference oscillator period and the measured phase error. The driver circuit is configured to generate the driving signal based on the at least one control parameter and the driving period.Type: ApplicationFiled: January 22, 2020Publication date: July 22, 2021Applicant: Infineon Technologies AGInventors: David BRUNNER, Franz Michael DARRER, Georg SCHITTER
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Publication number: 20210181278Abstract: A sheath wave barrier (2) for suppressing electromagnetic RF coupling phenomena of an electrical cable (4) at a predetermined suppression frequency (coo) in a magnetic resonance (MR) imaging or spectroscopy apparatus, wherein the cable is configured as a shielded cable with at least one inner conductor (6) and a peripherally surrounding electrically conducting cable sheath (8), comprises a segment of said shielded cable and a primary inductor formed from said shielded cable segment between a first cable location (12) and a second cable location (14). A secondary inductor (16) formed by a conductor is concentrically arranged within or around the primary inductor between said first and second cable locations.Type: ApplicationFiled: June 17, 2019Publication date: June 17, 2021Applicant: SKOPE MAGNETIC RESONANCE TECHNOLOGIES AGInventors: Thomas SCHMID, Otto David BRUNNER
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Patent number: 10901055Abstract: A magnetic resonance (MR) system comprises a main magnetic field and an RF power amplifier for generating an RF field in a first RF band, the arrangement further comprising at least one magnetic field probe (2), said magnetic field probe comprising a MR active probe substance, means for pulsed MR excitation of said probe substance (4) in a second RF band and means for receiving a probe MR signal in the second RF band generated by said probe substance. In order to improve performance of the system, the latter comprises means for recording the output signal of the RF power amplifier in said second RF band, and means for subtracting from said probe MR signal an interfering signal contribution contained in said recorded RF amplifier output signal.Type: GrantFiled: May 11, 2016Date of Patent: January 26, 2021Inventors: David Brunner, Benjamin Dietrich, Klaas Prussmann
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Publication number: 20210011134Abstract: A system includes a power driver, configured to generate an electric excitation; an oscillating system, configured to perform an oscillation induced by the electric excitation; a feedback detector, configured to detect a feedback measurement signal with to the oscillation; and a controller configured to operate: in a closed loop mode, to control the power driver to generate the electric excitation as a discontinuous electric excitation according to timing information obtained from the detected feedback measurement signal, to synchronize the discontinuous electric excitation with the detected feedback measurement signal; in a learning mode preceding the closed loop mode, to control the power driver to generate the electric excitation as a continuous electric excitation, to obtain timing information from the feedback measurement signal to be used, at least once, in the subsequent closed loop mode, to synchronize the discontinuous electric excitation with the detected feedback measurement signal.Type: ApplicationFiled: June 23, 2020Publication date: January 14, 2021Applicant: Infineon Technologies AGInventors: David BRUNNER, Georg SCHITTER, Han Woong YOO
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Publication number: 20200386867Abstract: There are disclosed techniques for laser scanning control. A system includes control equipment to perform a coordinated scanning control by controlling: a mirror driver, to drive a mirror along desired mirror positions through a motion mirror control signal; and a laser driver, to generate laser light pulses to be impinged onto the mirror at the desired mirror positions through a pulse trigger control signal. The control equipment includes a motion estimator to provide estimated motion information based on feedback motion measurement(s), to generate the pulse trigger control signal by adapting a desired scheduling, for triggering the laser light pulses, to the estimated motion information.Type: ApplicationFiled: June 2, 2020Publication date: December 10, 2020Applicant: Infineon Technologies AGInventors: Franz Michael DARRER, David BRUNNER, Georg SCHITTER, Han Woong YOO
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Publication number: 20200167481Abstract: A system for generating entity-specific security-related inquiries and determining a frequency for invoking the inquiries based on integration of external security-related data and internal security related data. Specifically, a security threat level is determined for an entity and the components which comprise the security threat are identified. The components signify areas of focus for generating the entity-specific security-related inquiries. In further embodiments of the invention analytics are implemented to logically analyze the external security-related data and internal security related data and the results of which further refine the generation of the entity-specific security-related inquiries and/or determination of the frequency for invoking the inquiries.Type: ApplicationFiled: January 30, 2020Publication date: May 28, 2020Applicant: BANK OF AMERICA CORPORATIONInventors: David Michael Steele, Robert James Gray, Cory David Brunner, Jason Dean Vaughn, Ryan Joseph Argomaniz
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Publication number: 20200150246Abstract: A light detection and ranging (LIDAR) sensor includes a first reflective surface configured to oscillate about a first rotation axis to deflect a light beam into an environment; and a second reflective surface configured to oscillate about a second rotation axis to guide light received from the environment onto a photodetector of the LIDAR sensor. The first rotation axis and the second rotation axis extend parallel to one another. The LIDAR sensor also includes a control circuit configured to drive the first reflective surface to oscillate with a first maximum deflection angle about the first rotation axis, and to drive the second reflective surface to oscillate with a second maximum deflection angle about the second rotation axis, the first maximum deflection angle being greater than the second maximum deflection angle, and an area of the first reflective surface is less than an area of the second reflective surface.Type: ApplicationFiled: November 11, 2019Publication date: May 14, 2020Applicant: Infineon Technologies AGInventors: Thomas THURNER, David BRUNNER, Marcus Edward HENNECKE, Georg SCHITTER, Han Woong YOO
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Patent number: 10607013Abstract: A system for generating entity-specific security-related inquiries and determining a frequency for invoking the inquiries based on integration of external security-related data and internal security related data. Specifically, a security threat level is determined for an entity and the components which comprise the security threat are identified. The components signify areas of focus for generating the entity-specific security-related inquiries. In further embodiments of the invention analytics are implemented to logically analyze the external security-related data and internal security related data and the results of which further refine the generation of the entity-specific security-related inquiries and/or determination of the frequency for invoking the inquiries.Type: GrantFiled: November 30, 2017Date of Patent: March 31, 2020Assignee: BANK OF AMERICA CORPORATIONInventors: David Michael Steele, Robert James Gray, Cory David Brunner, Jason Dean Vaughn, Ryan Joseph Argomaniz
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Publication number: 20190235036Abstract: A magnetic resonance (MR) apparatus comprises magnet means for generating a main magnetic field in a sample region, encoding means for generating encoding magnetic fields superimposed to the main magnetic field, RF transmitter means for generating MR radiofrequency fields, driver means for operating said encoding means and RF transmitter means to generate superimposed time dependent encoding fields and radiofrequency fields according to an MR sequence for forming images or spectra; and acquisition means for acquiring an MR signal from said object. The magnet means comprise a primary magnetic field source providing a static magnetic field B0 and at least one secondary magnetic field source providing an adjustable magnetic field B?.Type: ApplicationFiled: January 17, 2017Publication date: August 1, 2019Applicants: UNIVERSITAET ZUERICH, ETH ZURICH, ETH ZURICH, UNIVERSITAET ZUERICHInventors: David Brunner, Simon Gross, Klaas Pruessmann
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Publication number: 20190163914Abstract: A system for generating entity-specific security-related inquiries and determining a frequency for invoking the inquiries based on integration of external security-related data and internal security related data. Specifically, a security threat level is determined for an entity and the components which comprise the security threat are identified. The components signify areas of focus for generating the entity-specific security-related inquiries. In further embodiments of the invention analytics are implemented to logically analyze the external security-related data and internal security related data and the results of which further refine the generation of the entity-specific security-related inquiries and/or determination of the frequency for invoking the inquiries.Type: ApplicationFiled: November 30, 2017Publication date: May 30, 2019Inventors: David Michael Steele, Robert James Gray, Cory David Brunner, Jason Dean Vaughn, Ryan Joseph Argomaniz
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Publication number: 20180292480Abstract: A magnetic resonance (MR) system comprises a main magnetic field and an RF power amplifier for generating an RF field in a first RF band, the arrangement further comprising at least one magnetic field probe (2), said magnetic field probe comprising a MR active probe substance, means for pulsed MR excitation of said probe substance (4) in a second RF band and means for receiving a probe MR signal in the second RF band generated by said probe substance. In order to improve performance of the system, the latter comprises means for recording the output signal of the RF power amplifier in said second RF band, and means for subtracting from said probe MR signal an interfering signal contribution contained in said recorded RF amplifier output signal.Type: ApplicationFiled: May 11, 2016Publication date: October 11, 2018Applicants: Eidgenossische Technische Hochschule (ETH), Universitat ZurichInventors: David Brunner, Benjamin Dietrich, Klaas Prussmann
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Patent number: 9915713Abstract: A method of determining the position of at least one magnetic field probe located within a pre-defined volume of interest within a magnetic resonance (MR) imaging or spectroscopy arrangement comprises applying a spatially and temporally variable magnetic reference field having a unique time-course at every point in said volume of interest during a preselected time window. An MR signal is ac-quired from said magnetic field probe during said time window, and the position of the probe is determined from the probe MR signal.Type: GrantFiled: April 20, 2012Date of Patent: March 13, 2018Assignees: Universitat Zurich, Eidgenossische Technische Hochschule (ETH)Inventors: David Brunner, Christoph Barmet, Klaas Prussmann, Maximilian Häberlin
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Patent number: 9791526Abstract: A dynamic field camera arrangement for monitoring electromagnetic field behavior in a spatial region comprises a main magnetic field and a radiofrequency (RF) field limited to a first RF band, particularly in an MRI or NMR apparatus. The arrangement comprises a magnetic field detector set comprising a plurality of low-frequency magnetic field detectors, each one of said magnetic field detectors comprising a magnetic resonance (MR) active substance, means for pulsed MR excitation of said substance and means for receiving an MR signal generated by said substance, wherein said pulsed excitation and said MR detector signal is in a second RF band that does not overlap said first RF band. The MR signal receiving means comprise a first RF filter which suppresses RF signal from said first RF band and transmits RF signal from said second RF band.Type: GrantFiled: April 23, 2012Date of Patent: October 17, 2017Assignees: Eidgenossische Technische Hochschule (ETH), Universitat ZurichInventors: Christoph Barmet, David Brunner, Bertram Wilm, Klaas Prussmann
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Patent number: 9644536Abstract: An inlet air filter arrangement for a gas turbine or a combustion turbine includes a housing with an inlet side and an outlet side separated by a planar tubesheet including multiple tubesheet openings. Each multiple cylindrical filter cartridge includes a symmetry axis, an open end, and a closed end. A connection assembly for each of the multiple cylindrical filter cartridges seals the open end of the cylindrical filter cartridge to the tubesheet around one of the tubesheet openings. The connection assembly includes a mainly cylindrical guide sleeve including a symmetry axis, a shell with a cylindrical external surface, an inner end attached around the tubesheet opening and an outer end at the inlet side of the housing. The shell is provided with at least two slots extending mainly helically from the outer end towards the inner end. A collar attaches to the open end of the cylindrical filter cartridge.Type: GrantFiled: February 26, 2015Date of Patent: May 9, 2017Assignee: AMEC FOSTER WHEELER NORTH AMERICA CORP.Inventor: David Brunner
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Publication number: 20150240720Abstract: An inlet air filter arrangement for a gas turbine or a combustion turbine includes a housing with an inlet side and an outlet side separated by a planar tubesheet including multiple tubesheet openings. Each multiple cylindrical filter cartridge includes a symmetry axis, an open end, and a closed end. A connection assembly for each of the multiple cylindrical filter cartridges seals the open end of the cylindrical filter cartridge to the tubesheet around one of the tubesheet openings. The connection assembly includes a mainly cylindrical guide sleeve including a symmetry axis, a shell with a cylindrical external surface, an inner end attached around the tubesheet opening and an outer end at the inlet side of the housing. The shell is provided with at least two slots extending mainly helically from the outer end towards the inner end. A collar attaches to the open end of the cylindrical filter cartridge.Type: ApplicationFiled: February 26, 2015Publication date: August 27, 2015Inventor: David Brunner
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Publication number: 20140327438Abstract: A dynamic field camera arrangement for monitoring electromagnetic field behavior in a spatial region comprises a main magnetic field and a radiofrequency (RF) field limited to a first RF band, particularly in an MRI or NMR apparatus. The arrangement comprises a magnetic field detector set comprising a plurality of low-frequency magnetic field detectors, each one of said magnetic field detectors comprising a magnetic resonance (MR) active substance, means for pulsed MR excitation of said substance and means for receiving an MR signal generated by said substance, wherein said pulsed excitation and said MR detector signal is in a second RF band that does not overlap said first RF band. The MR signal receiving means comprise a first RF filter which suppresses RF signal from said first RF band and transmits RF signal from said second RF band.Type: ApplicationFiled: April 23, 2012Publication date: November 6, 2014Inventors: Christoph Barmet, David Brunner, Bertram Wilm, Klaas Prüssmann
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Publication number: 20140292329Abstract: A method of determining the position of at least one magnetic field probe located within a pre-defined volume of interest within a magnetic resonance (MR) imaging or spectroscopy arrangement comprises applying a spatially and temporally variable magnetic reference field having a unique time-course at every point in said volume of interest during a preselected time window. An MR signal is acquired from said magnetic field probe during said time window, and the position of the probe is determined from the probe MR signal.Type: ApplicationFiled: April 20, 2012Publication date: October 2, 2014Inventors: David Brunner, Christoph Barmet, Klaas Prüssmann, Maximilian Häberlin
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Patent number: 8779772Abstract: A method for acquiring an image or spectrum of a subject or object residing within the magnetic field of a magnetic resonance apparatus, comprises the steps of: executing a predetermined pulse sequence for applying gradient magnetic fields and for coupling in electromagnetic excitation pulses to induce nuclear magnetic resonance within the subject or object; detecting an electromagnetic signal resulting from said magnetic resonance; and constructing at least one image or magnetic resonance spectrum of said subject or object from said detected electromagnetic signal. According to the invention, said coupling in of the electromagnetic excitation pulse and/or said detecting of the electromagnetic signal are carried out substantially by means of travelling electromagnetic waves.Type: GrantFiled: October 18, 2010Date of Patent: July 15, 2014Assignees: Universität Zürich, Eidgenössische Technische HochschuleInventors: Jürg Froehlich, David Brunner, Klaas Prüssmann, Nicola De Zanche
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Publication number: 20110115486Abstract: A method for acquiring an image or spectrum of a subject or object residing within the magnetic field of a magnetic resonance apparatus, comprises the steps of: executing a predetermined pulse sequence for applying gradient magnetic fields and for coupling in electromagnetic excitation pulses to induce nuclear magnetic resonance within the subject or object; detecting an electromagnetic signal resulting from said magnetic resonance; and constructing at least one image or magnetic resonance spectrum of said subject or object from said detected electromagnetic signal. According to the invention, said coupling in of the electromagnetic excitation pulse and/or said detecting of the electromagnetic signal are carried out substantially by means of travelling electromagnetic waves.Type: ApplicationFiled: October 18, 2010Publication date: May 19, 2011Applicants: Universitat Zurich, Eidgenossische Technische Hochschule (ETH)Inventors: Jurg Fröhlich, Nicola De Zanche, Klaas Prüssmann, David Brunner