Patents Examined by Taqi R Nasir
  • Patent number: 10855058
    Abstract: In order to test a semiconductor spark plug, a test method comprises a step consisting of depositing water on the head of the spark plug, between the two electrodes of same, so that the water forms a water meniscus covering the semiconductor element of the head, a step consisting of applying, between the first terminal and the second terminal of the spark plug, a voltage equal to the operating voltage of the spark plug, a step consisting of identifying at least a first characteristic of electric arcs induced between the electrodes during the application of the voltage, and a step consisting of determining the operational or defective character of the spark plug according to the first characteristic of the electric arcs. This test method is particularly reliable and does not require constraining provisions in order to ensure the safety of the operators implementing the method.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: December 1, 2020
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: David Gino Stifanic, Joël Yvan Marcel Robert Berton, Denis Robert Gaston Haussaire
  • Patent number: 10838004
    Abstract: Summarizing, the present invention relates to a test arrangement in the test method for acquiring test data in the surrounding of a device under test. At least two measurement devices are arranged in the surrounding of the device under test, wherein the two measurement devices are communicatively coupled for phase locking. At least one of the measurement devices can be moved around the device under test for acquiring measurement data, wherein the measurement devices comprise a measurement antenna and the vectorial measurement receiver. Accordingly, during the measurements, the at least one vectorial measurement receiver is moved around together with the measurement antenna, wherein the spatial relationship between the measurement antenna and the vectorial measurement receiver is remained constant during the movement.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: November 17, 2020
    Assignee: ROHDE & SCHWARZ GMBH & CO. KG
    Inventors: Georg Schnattinger, Werner Perndl, Michael Katzer, Korbinian Pfaffeneder, Thomas Braunstorfinger, Marcel Thraenhardt
  • Patent number: 10838029
    Abstract: Some implementations provide a system that includes: a main magnet including a bore and configured to generate a substantially uniform magnetic field in the bore; one or more gradient coils configured to perturb the substantially uniform magnetic field in the bore, wherein perturbing the substantially uniform magnetic field results in a first varying magnetic field outside of the bore; and one or more shielding units located outside of the bore and configured to generate a second varying magnetic field configured to attenuate the first varying magnetic field outside of the bore.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: November 17, 2020
    Assignee: Synaptive Medical (Barbados) Inc.
    Inventors: Alexander Gyles Panther, Geron André Bindseil, Chad Tyler Harris, Mark Tullio Morreale
  • Patent number: 10830612
    Abstract: A system for measuring an angular position of a rotor with respect to a stator, wherein the rotor is rotatable around a rotation axis, the system comprising: a magnetic source mounted on the rotor, having at least four magnet poles and providing a periodically repetitive magnetic field pattern with respect to the rotation axis; a sensor mounted on the stator and comprising a plurality of sensor elements for measuring at least one magnetic field component of the magnetic field and for providing a measurement signal thereof; the sensor being located substantially centered around the rotation axis, in a plane substantially perpendicular to the rotation axis at a first distance from the magnetic source; the sensor elements being located substantially on a circle at a second distance from the rotation axis; a calculator that determines the angular position by calculating it from the measurement signals.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: November 10, 2020
    Assignee: MELEXIS TECHNOLOGIES NV
    Inventors: Christian Schott, Samuel Huber
  • Patent number: 10816625
    Abstract: The invention provides for a magnetic resonance imaging system (100) for acquiring magnetic resonance data (142) from a subject (118) within an imaging zone (108). The magnetic resonance imaging system comprises a memory (134, 136) for storing machine executable instructions (160), and pulse sequence commands (140, 400, 502, 600, 700), wherein the pulse sequence commands are configured to cause the magnetic imaging resonance system to acquire the magnetic resonance data according to a magnetic resonance fingerprinting technique. The pulse sequence commands are further configured to control the magnetic resonance imaging system to perform spatial encoding using a zero echo time magnetic resonance imaging protocol.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: October 27, 2020
    Assignee: Koninklijke Philips N.V.
    Inventors: Peter Bornert, Kay Nehrke, Mariya Ivanova Doneva, Thomas Erik Amthor, Peter Koken, George Randall Duensing
  • Patent number: 10816627
    Abstract: The invention relates to a system for providing at least part of a pulse sequence for acquiring imaging information using a magnetic resonance scanner, a corresponding method and a corresponding computer program. The system comprises a sequence module providing unit, wherein one or more sequence modules comprise a hierarchy description and a parameter description, a sequence hierarchy generating unit for generating a sequence hierarchy based on the sequence modules and the hierarchy description, a parameter dependency graph generating unit for generating a parameter dependency graph based on the parameter dependencies comprised in the parameter description of the sequence modules. The parameter dependencies are decoupled from the sequence hierarchy. The system, method and computer program of the invention allow for an improved determination of at least part of a pulse sequence.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: October 27, 2020
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Cristoffer Cordes, Thorsten Honroth, Saulius Archipovas, David Porter, Matthias Guenther
  • Patent number: 10816360
    Abstract: A rotation detection device includes a detected member that is mounted to a rotating member and has a plurality of magnetic poles arranged in a circumferential direction about a rotational axis of the rotating member, and a sensor section that is mounted to a stationary member not rotating with rotation of the rotating member and is arranged to face the detected member. The sensor section includes plural magnetic sensors each including a plate-shaped detection section that includes a magnetism detection element for detecting a magnetic field from the detected member, a signal processing circuit for processing a signal output from the magnetism detection element, and a cover collectively covering the magnetism detection element and the signal processing circuit, and wherein the detection sections are stacked in a direction along which the sensor section and the detected member face each other.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: October 27, 2020
    Assignee: HITACHI METALS, LTD.
    Inventors: Takashi Onimoto, Teruyoshi Shirota
  • Patent number: 10782438
    Abstract: Technology for obtaining formation parameters of a geological formation includes measuring a resistivity image of the geological formation. The measured resistivity image is compared to a modelled resistivity image where the modelled resistivity image is generated based on estimated formation parameters. A cost function is calculated based on the measure resistivity image and the modelled resistivity image. The estimated formation parameters are adjusted based on minimizing the cost function in order to generate a set of final formation parameters that represents a modelled resistivity image having a smallest cost function.
    Type: Grant
    Filed: May 3, 2016
    Date of Patent: September 22, 2020
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Baris Guner, Burkay Donderici
  • Patent number: 10775454
    Abstract: According to some aspects, a portable magnetic resonance imaging system is provided, comprising a magnetics system having a plurality of magnetics components configured to produce magnetic fields for performing magnetic resonance imaging. The magnetics system comprises a permanent B0 magnet configured to produce a B0 field for the magnetic resonance imaging system, and a plurality of gradient coils configured to, when operated, generate magnetic fields to provide spatial encoding of emitted magnetic resonance signals, a power system comprising one or more power components configured to provide power to the magnetics system to operate the magnetic resonance imaging system to perform image acquisition, and a base that supports the magnetics system and houses the power system, the base comprising at least one conveyance mechanism allowing the portable magnetic resonance imaging system to be transported to different locations.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: September 15, 2020
    Assignee: Hyperfire Research, Inc.
    Inventors: Michael Stephen Poole, Cedric Hugon, Hadrien A. Dyvorne, Laura Sacolick, William J. Mileski, Jeremy Christopher Jordan, Alan B. Katze, Jr., Jonathan M. Rothberg, Todd Rearick, Christopher Thomas McNulty
  • Patent number: 10770263
    Abstract: Systems and methods for determining a fault in a gas heater channel are described. One of the methods includes receiving measured parameters associated with a plurality of heater elements of the gas heater channel. The gas heater channel transfers one or more gases from a gas supply to a plasma chamber. The method further includes calculating a measured parallel resistance of the plurality of heater elements from the measured parameters, comparing the measured parallel resistance to an ideal parallel resistance of the heater elements of the gas heater channel, and determining based on the comparison that a portion of the gas heater channel is inoperational. The method includes selecting an identity of one of the heater elements from a correspondence between a plurality of identities of the heater elements and the measured parallel resistance.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: September 8, 2020
    Assignee: Lam Research Corporation
    Inventor: Dirk Rudolph
  • Patent number: 10768215
    Abstract: A method of measuring the AM/PM conversion of a device under test having a local oscillator is described. A device under test with an embedded local oscillator is provided. A signal source is connected to an input of the device under test. A receiver is connected to an output of the device under test. An input signal is provided by the signal source. The input signal has an initial power level. The input signal is input to the device under test. The power level of the input signal is changed. An output signal of the device under test is measured at different power levels of the input signal.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: September 8, 2020
    Assignee: Rohde & Schwarz GmbH & Co. KG
    Inventors: Martin Leibfritz, Werner Held, Thilo Bednorz, Walter Weiss, Jan-Patrick Schultheis
  • Patent number: 10768252
    Abstract: Various methods and systems are provided for acquiring k-space data for magnetic resonance imaging. In one example, after applying a phase encoding gradient, the k-space data of a phase angle is acquired while applying a frequency encoding gradient. An amplitude of the phase encoding gradient and a duration of the phase encoding gradient determined based on each and every of a phase angle of the phase encoding line and a duration of the frequency encoding gradient.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: September 8, 2020
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Lisha Nie, Yongchuan Lai, Xuan Liu
  • Patent number: 10761106
    Abstract: A speed detection device includes a comparator module, a sensor lead with a node connected to the comparator module, and a limit set module. The limit set module is connected to the sensor lead node and to the comparator by an upper limit lead and a lower limit lead to provide upper and lower limits to the comparator that vary according to amplitude variation in voltage applied to the sensor lead.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: September 1, 2020
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Gary L. Hess, Kirk A. Lillestolen
  • Patent number: 10761235
    Abstract: The present invention provides a methodology and system for resistivity tool design. By using at least one E field antenna instead of magnetic antennas, stronger signals can be captured by a smaller system. The more effective antenna design of the present invention has broad applications in various tools including geosteering, look ahead, and triaxial induction.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: September 1, 2020
    Inventor: Weishan Han
  • Patent number: 10764994
    Abstract: A printed circuit board includes a body and a belly pad seated within with the body. The belly pad is electrically separated into a first pad and a second pad. The first pad and the second pad are arranged to be electrically connected to one another by an interconnect electrically connecting the belly pad to a conductive plane of an electrical component, thereby allowing continuity testing across an interface between the first pad and the interconnect. Methods of testing continuity in electrical assemblies are also disclosed.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: September 1, 2020
    Assignee: Hamilton Sundstrand Corporation
    Inventor: Tran Lin
  • Patent number: 10753961
    Abstract: Disclosed is a differential test probe tip. The probe tip comprises a socket of electrically conductive material at a proximate end of the probe tip. The socket includes a concavity to receive a signal pin. The probe tip also comprises a reference body of conductive material surrounding the socket. The probe tip further comprises a insulating spacer element of non-conductive material surrounding the reference body at the proximate end of the probe tip. The insulating spacer element includes a signal port to receive the signal pin into the socket. The insulating spacer element further includes a reference port to receive a reference pin and maintain the reference pin in electrical communication with a proximate end of the reference body.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: August 25, 2020
    Assignee: Tektronix, Inc.
    Inventors: Michael J. Mende, David T. Engquist, Richard A. Booman
  • Patent number: 10746817
    Abstract: A structure having collocated magnetic field sensing elements can be used to simultaneously determine magnetic field and mechanical stress. A primary magnetic field sensing element generates a primary signal responsive to a magnetic field and a secondary magnetic field sensing element generates a secondary signal responsive to mechanical stress. A system includes a stress compensation module to receive the primary and signals, and to compensate for mechanical stress in the primary signal.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: August 18, 2020
    Assignee: Allegro MicroSystems, LLC
    Inventors: Steven Kosier, Gregory Delmain
  • Patent number: 10746816
    Abstract: A system for removing energy from an electrical choke is provided. The system includes one or more cores, at least one inductive coupling, and a resistor. The one or more cores are configured to form part of the electrical choke by generating magnetic energy. The at least one inductive coupling is operative to convert the magnetic energy into electrical energy. The resistor is electrically connected to the at least one inductive coupling and operative to dissipate the electrical energy as heat.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: August 18, 2020
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Douglas John Link, Scott Walterman, Randy Hladilek, Timothy Strait, Margaret Wiza, Melissa Freeman
  • Patent number: 10739429
    Abstract: The invention relates to a system for performing echo-planar spectroscopic imaging. The system comprises an acquisition unit for acquiring magnetic resonance data, wherein the acquisition unit is adapted to use a first encoding gradient in a readout direction and a second encoding gradient in a phase-encoding direction, wherein the first encoding gradient and the second encoding gradient are stepped. The system further comprises a reconstruction unit for reconstructing a magnetic resonance image based on the acquired magnetic resonance data.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: August 11, 2020
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: David Porter, Marco Vicari
  • Patent number: 10732009
    Abstract: A system may include a magnet fixed to a rotatable object. The rotatable object may be portioned to concentrically rotate about an axis. The system may also include a magnetic angle sensor configured to determine a rotation angle of the rotatable object based on a rotating magnetic field produced by the magnet and sensed by the magnetic angle sensor. The rotating magnetic field may have a radial component and a tangential component, and the magnetic angle sensor may be positioned at a sensor position having a non-zero radial distance from the axis. At the sensor position, an amplitude of the radial component may substantially match an amplitude of the tangential component, or the radial component and the tangential component may share a substantially same gradient magnitude.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: August 4, 2020
    Assignee: Infineon Technologies AG
    Inventor: Llorenç Vallmajó I Ribas