Patents Examined by Dominic E Hawkins
  • Patent number: 11569653
    Abstract: An electronic fuse for a power supply includes at least two switching elements and a regulation unit, wherein a first switching element is arranged in a main branch, where the regulation unit is switches off the first switching element when a predetermined threshold value is exceeded by a prevailing current value, and a second switching element that is also actuated by the regulation unit, which is arranged in an auxiliary branch parallel to the first switching element and assumes a substantial proportion of a resulting power loss when an overload occurs, and the second switching element, which is arranged in at least one auxiliary branch, is configured or optimized for linear operation, and where the at least two switching elements are configured such that the line resistance of the second switching element is at least twice the line resistance of the first switching element.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: January 31, 2023
    Assignee: Siemens Aktiengesellschaft
    Inventor: Markus Troyer
  • Patent number: 11561245
    Abstract: A sensor apparatus comprises an electrically conductive chip carrier comprising a busbar, a first connection and a second connection, and a differential magnetic field sensor chip which is arranged on the chip carrier and has two sensor elements. The form of the busbar is such that a measurement current path running from the first connection to the second connection through the busbar comprises a main current path and a bypass current path, wherein the main current path and the bypass current path run parallel to one another, and a bypass current flowing through the bypass current path is less than a main current flowing through the main current path. The magnetic field sensor chip is configured to capture a magnetic field induced by the bypass current.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: January 24, 2023
    Assignee: Infineon Technologies AG
    Inventors: Klaus Elian, Rainer Markus Schaller, Volker Strutz
  • Patent number: 11561148
    Abstract: Aspects of the present disclosure describe techniques for measuring collision rate with spatial filtering of scattered light. For example, a method for characterizing vacuum in a chamber is described that includes generating, inside the chamber, a potential well having a single, shallow potential region within which an ion is trapped, the shallow potential region having a lowest potential of the potential well, optically monitoring the ion within the potential well, detecting, based on the optically monitoring, a movement of the ion away from the shallow potential region in response to a collision with a background gas, and determining a pressure inside the chamber based on a rate of detected movements of the ion.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: January 24, 2023
    Assignee: IonQ, Inc.
    Inventors: Neal Pisenti, Kenneth Wright, Jason Madjdi Amini, Jwo-Sy Chen
  • Patent number: 11555834
    Abstract: A current sensor includes a magnetic detection unit capable of detecting the magnetism, a first magnetic shield and a second magnetic shield. The first magnetic shield includes a first shield section and two second shield sections respectively connected in the vicinity of the two ends thereof. The second magnetic shield includes a third shield section and two fourth shield sections respectively connected in the vicinity of the two ends thereof. Between the first shield section and the third shield section is a conductor placement region, and the magnetic detection unit is positioned between the first shield section and the conductor placement region and is provided at a magnetic field canceling position where the magnetic field in the second direction is substantially zero at non-energized times after a prescribed current has flowed in the conductor, in relationship to the length of the two fourth shield sections along the third direction.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: January 17, 2023
    Assignee: TDK Corporation
    Inventor: Makoto Takahashi
  • Patent number: 11555832
    Abstract: According to some embodiments, a device includes: a magnetic field current sensor magnetically coupled to a conductor and configured to generate a magnetic field signal having a magnitude responsive to a current flowing through the conductor; a shunt interface having first and second input terminals electrically coupled to ends of a shunt disposed along the conductor, the shunt interface configured to generate a shunt signal having a magnitude responsive to the current flowing through the conductor; and a diagnostic circuit configured to receive the magnetic field signal and the shunt signal and to generate a fault signal based on a comparison between the magnitude of the magnetic field signal and the magnitude of the shunt signal.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: January 17, 2023
    Assignee: Allegro MicroSystems, LLC
    Inventors: Andreas P. Friedrich, Loïc André Messier, Alexander Latham
  • Patent number: 11549973
    Abstract: A system for measuring voltage includes a pulse-width modulator or voltage controlled oscillator (VCO) configured to receive an input voltage waveform from a DUT, and to output a pulse-width modulated (PWM) signal or frequency modulated (FM) signal mapped to the input voltage waveform, respectively; an optical transmitter configured to be modulated by the PWM signal or the FM signal to output an optical pulse signal having pulse widths corresponding to pulse widths of the PWM signal or equal to the frequency of the FM signal, respectively; an optical receiver configured to receive the optical pulse signal over an optical link and to convert the optical pulse signal to an electrical current; a transimpedance amplifier (TIA) configured to convert the electrical current to a voltage signal; and at least one filter or detection circuit configured to recover the input voltage waveform or provide numeric values corresponding to the input voltage waveform.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: January 10, 2023
    Assignee: Keysight Technologies, Inc.
    Inventors: Paul L. Corredoura, Nathaniel Guilar, Robert M. Neff
  • Patent number: 11552460
    Abstract: An electrical panel adapter for an enclosure that is formed of at least one panel includes a main unit having a front portion and a rear portion. The rear portion is positioned inside the enclosure and includes a first plurality of electrical connections adapted to connect to electrical wires and/or equipment located inside the enclosure. The front portion extends through an aperture in the at least one panel and includes a second plurality of electrical connections adapted to connect to one or more electrical devices located outside the enclosure for measurement of both voltage and current inside the enclosure. The second plurality of electrical connections are electrically coupled to the first plurality of electrical connections. The electrical panel adapter enables electrical devices outside the enclosure to be electrically coupled to the electrical wires and/or equipment inside the enclosure without requiring the enclosure to be opened.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: January 10, 2023
    Assignee: Fluke Corporation
    Inventors: Ferdinand Y. Laurino, Carley Nicole McCutchen, Hilton G. Hammond, Alois Sommer, Stefan Hidegh, Paul Kral
  • Patent number: 11552191
    Abstract: Various embodiments of the present disclosure provide a power device including at least one first conductive element adapted to generate a magnetic field when traversed by a current, and characterised in that it further comprises a Hall sensor electrically insulated from the first conductive element. The sensor and the first conductive element are mutually arranged so as to detect said magnetic field indicative of the current that traverses the first conductive element.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: January 10, 2023
    Assignee: STMICROELECTRONICS S.r.l.
    Inventors: Alessandro Paolo Bramanti, Alberto Pagani, Antonello Santangelo
  • Patent number: 11545849
    Abstract: An electronic device according to various embodiments may include: a hall integrated circuit (IC) configured to detect magnetic flux generated by an external device enclosing at least a portion of the electronic device; a wireless charging circuit; and at least one processor configured to be connected to the hall IC and the wireless charging circuit, wherein the at least one processor is configured to: receive an output value for the detected magnetic flux from the hall IC; and control the wireless charging circuit, based on the output value.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: January 3, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Joon-Yung Park
  • Patent number: 11543438
    Abstract: A glass ring for current measurements includes a glass body, which can be disposed around an electrical conductor and has a light entry surface and a light exit surface. The glass ring allows light which enters the glass body through the light entry surface to circulate completely around the conductor in the glass body by reflection on external sides or outer faces of the glass body, the light exiting from the glass body on the light exit surface. The glass ring is formed of a monolithic glass body. A method for optical current measurement includes using a current flow in an electrical conductor to generate an electromagnetic field around the conductor, by which a polarization of a light beam in the glass ring around the conductor, in particular with a plane perpendicular to the longitudinal axis of the conductor, is changed as the light beam circulates around the conductor.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: January 3, 2023
    Assignee: Siemens Energy Global GmbH & Co. KG
    Inventor: Stefan Schuberth
  • Patent number: 11536747
    Abstract: A current transformer includes a first housing including a first handle portion and a first distal portion, a second housing including a second handle portion and a second distal portion, a first core having a first proximal core end and a first distal core end the first core mounted in rotational contact within the first distal portion, and a second core having a second proximal core end and a second distal core end, the second core mounted in rotational contact within the second distal portion, wherein the first housing is rotationally coupled to the second housing about a fulcrum point.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: December 27, 2022
    Assignee: Sense Labs, Inc.
    Inventors: Jeffrey Jay Weinstein, John Andrew Watlington, Joseph Louis Bamberg, Walter L. Xu
  • Patent number: 11536693
    Abstract: A sensor includes a flexible cable arranged to provide a plurality of independent electrical coils and a connector. Each of the plurality of independent electrical coils extend from a first end to a second end and is configured to be wrapped at least partially around a surface of a structure to be tested. The connector is electrically coupled to the first end of at least one of the plurality of independent electrical coils. The plurality of independent electrical coils is configured such that current will flow in a common direction between the first ends and the second ends within each said independent coil. Systems and methods also are disclosed.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: December 27, 2022
    Assignee: FBS, Inc.
    Inventors: Cody J. Borigo, Steven E. Owens
  • Patent number: 11525848
    Abstract: The present disclosure discloses a current detecting circuit of a power converter, which includes a transformer including: a magnetic core, a primary winding and a secondary winding, the primary winding and the secondary winding being coupled through the magnetic core, and a combination of the primary winding, the secondary winding and the magnetic core being used to transmit a main power of the power converter, the current detecting circuit includes: an auxiliary winding coupled to the secondary winding, the auxiliary winding and the secondary winding having the same number of turns and their dotted terminals being connected; and an impeder, one end thereof being coupled to the auxiliary winding to form a series branch, which is coupled in parallel to the secondary winding, and a terminal voltage of the impeder after being filtered being proportional to a magnitude of an output current of the power converter.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: December 13, 2022
    Assignee: Delta Electronics, Inc.
    Inventors: Xueliang Chang, Dong Guo
  • Patent number: 11519940
    Abstract: A current sensor that is less affected by the residual magnetization is provided. A current sensor of the present invention has a magnetic circuit that is magnetized by electric current; a first magnetic field detecting element that is positioned where a magnetic field, when the electric current is present, is directed in a same direction as a magnetic field that is caused by residual magnetization of the magnetic circuit when the electric current is not present; and a second magnetic field detecting element that is positioned where a magnetic field, when the electric current is present, is directed opposite to a direction of a magnetic field that is caused by residual magnetization of the magnetic circuit when the electric current is not present.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: December 6, 2022
    Assignee: TDK Corporation
    Inventors: Hiroyuki Hirano, Makoto Takahashi, Ryoichi Menju, Teiichiro Oka
  • Patent number: 11519954
    Abstract: An apparatus and methods to operate the same to provide fast fault-detection on power semiconductor devices such as power transistors are disclosed. In some embodiment, a desaturation based fault-detection circuit for a power transistor is provided. The fault-detection circuit has an adaptable blanking time and a disconnect switch in the blanking mechanism that allow for quick enabling of fault-detection mechanisms to achieve fast fault detection times on power semiconductor devices.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: December 6, 2022
    Assignee: Analog Devices International Unlimited Company
    Inventors: Deepak Gunasekaran, Michael John Collins, Kenneth G. Richardson, Art Zirger, Steven Tanghe, Brian Jadus
  • Patent number: 11506632
    Abstract: The invention relates to a method for the nondestructive testing of steel rope parameters, particularly for predicting a residual operating life of a steel rope. The method for predicting the residual operating life of the steel rope comprises: —continuously monitoring and diagnosing a technical condition of the rope by continuously and simultaneously taking readings of Hall sensors, inductive coils, an eddy current sensor, a temperature sensor, a rope tension sensor and an odometer; —providing the readings to a control display unit (CDU) for cooperative processing; —based on the readings, determining an operating time and a safety factor of the rope; —comparing, by the CDU, the obtained values with allowable values; —making a conclusion on the technical condition of the rope; and—predicting the residual operating life of the rope.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: November 22, 2022
    Assignee: Obshchestvo s ogranichennoi otvetstvennostiu “INTRON PLIUS”
    Inventors: Dmitry Aleksandrovich Slesarev, Vasiliy Vasilevich Sukhorukov, Aleksei Veniaminovich Semenov
  • Patent number: 11506688
    Abstract: A circuit for sensing a current comprises a substrate having a first and a second major surface, the second major surface being opposite to the first major surface. At least one magnetic field sensing element is arranged on the first major surface of the substrate and is suitable for sensing a magnetic field caused by a current flow in a current conductor coupled to the second major surface. The substrate also comprises at least one insulation layer, substantially buried between the first major surface and the second major surface of the substrate.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: November 22, 2022
    Assignee: MELEXIS TECHNOLOGIES SA
    Inventors: Bruno Boury, Robert Racz, Jian Chen, Antonio Cacciato
  • Patent number: 11493538
    Abstract: A sensor device comprises a dielectric substrate, a busbar mechanically connected to the dielectric substrate, a cavity formed in the dielectric substrate, and a sensor chip arranged in the cavity, wherein the sensor chip is designed to detect a magnetic field induced by an electric current flowing through the busbar, wherein in an orthogonal projection of the sensor chip onto the busbar, the sensor chip at least partly overlaps the busbar.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: November 8, 2022
    Assignee: Infineon Technologies AG
    Inventors: Rainer Markus Schaller, Juergen Hoegerl, Volker Strutz
  • Patent number: 11493537
    Abstract: A current sensor for magnetic field-based current determination of an alternating current through a current conductor is based on a magnetic field-sensitive sensor element. The sensor element is arranged spatially adjacent the current conductor to detect a magnetic field brought about by the alternating current I in the current conductor. It is proposed that at least one conductive compensation element be arranged separately from the current flow through the current conductor and spatially adjacent the sensor element and the current conductor to compensate frequency-dependent distortions of the magnetic field by means of an induction-generatable compensation magnetic field.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: November 8, 2022
    Assignee: SENSITEC GMBH
    Inventors: Claudia Glenske, Matthias Brusius
  • Patent number: 11493478
    Abstract: A method includes pulsating a magnetic field at a first location associated with an external surface of a wall containing magnetic material. The method also includes measuring at least one characteristic of the pulsating magnetic field at a second location associated with the external surface of the wall. The at least one characteristic changes based on corrosion on an internal surface the wall between the first and second locations. The magnetic field could be pulsated by applying an AC signal to a conductive coil or by vibrating a magnet. The method could also include analyzing the at least one measured characteristic to identify an amount of the corrosion and/or a change in the amount of the corrosion. Use of the internal surface the wall could be modified based on the amount or change of the corrosion.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: November 8, 2022
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Leonardo William Estevez, Terry Lee Sculley, Christian Link