Patents Examined by Feba Pothen
  • Patent number: 11327097
    Abstract: A circuit for measurement of a voltage comprises a passive sensing element configured to be coupled between a measurement point and a reference point. The passive sensing element has a voltage-dependent impedance. Further, the circuit comprises an impedance detector and a reference circuit. The impedance detector is configured to detect the impedance of the passive sensing element by providing a probe signal to the passive sensing element and evaluating a response to the probe signal from the passive sensing element and a reference response from the reference circuit. Further, the circuit comprises a converter circuit configured to convert a result of evaluating the response and the reference response to a voltage level information.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: May 10, 2022
    Assignee: INFINEON TECHNOLOGIES AG
    Inventor: Jens Barrenscheen
  • Patent number: 11320464
    Abstract: A chip package according to one embodiment includes a magnetic field sensor and a chip housing. The chip housing is a rectangular parallelepiped body. A solenoid coil is wound around four outer surfaces of the chip housing. The magnetic field sensor is disposed in the chip package. A plurality of first electrode pads connected to the solenoid coil and a plurality of second electrode pads connected to the magnetic field sensor are disposed on one mounting surface.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: May 3, 2022
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
    Inventor: Jia Liu
  • Patent number: 11307160
    Abstract: The present disclosure relates to a welding quality detecting field, and specifically relates to a quality detection device. The quality detection device includes an integrated probe set, a driving module and a collecting module. The integrated probe set includes a plurality of integrated probe assemblies. The integrated probe assemblies are disposed in pairs and each integrated probe assembly includes a driving end and a collecting end. The driving end of one integrated probe assembly is matched with the driving end of another integrated probe assembly disposed in pairs with the one integrated probe assembly. The collecting end of one integrated probe assembly is matched with the collecting end of another integrated probe assembly disposed in pairs with the one integrated probe assembly.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: April 19, 2022
    Assignee: HAN'S LASER TECHNOLOGY INDUSTRY GROUP CO., LTD
    Inventors: Sheng Lin Wang, Hao Liu, Da Chang Hu, Yong Hu, Peng Fei Lei, Ji Guo Liu, Zuo Bin Xu, Yun Feng Gao
  • Patent number: 11300597
    Abstract: Systems and methods for locating and/or mapping buried utilities are disclosed. In one embodiment, one or more magnetic field sensing locating devices include antenna node(s) to sense magnetic field signals emitted from a buried utility and a processing unit to receive the sensed magnetic field signals may be mounted on a vehicle. The received magnetic field signals may be processed in conjunction with sensed vehicle velocity data to determine information associated with location of the buried utility such as depth and position.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: April 12, 2022
    Assignee: SeeScan, Inc.
    Inventor: Mark S. Olsson
  • Patent number: 11300595
    Abstract: Apparatus, systems, articles of manufacture, and methods to provide an adaptive connection of a resistive element and a temperature-dependent resistive element are disclosed. An example apparatus includes a temperature-dependent resistive element. The example apparatus further includes a resistive element. The example apparatus further includes a switch coupled to the temperature-dependent resistive element and the resistive element. The example apparatus further includes a current sensor to measure a current through the temperature-dependent resistive element. The example apparatus further includes a processor to control the switch to, based on the measured current, (A) couple the temperature-dependent resistive element in parallel to the resistive element or (B) couple the temperature-dependent resistive element in series with the resistive element.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: April 12, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Duane A. Koehler, Robert Yraceburu
  • Patent number: 11293854
    Abstract: The present invention relates to a method and a system to measure the specific surface area of a conductive material through electrochemical impedance spectroscopy.
    Type: Grant
    Filed: July 4, 2019
    Date of Patent: April 5, 2022
    Assignee: LG CHEM, LTD.
    Inventor: Byunggook Lyu
  • Patent number: 11287491
    Abstract: A modulated magnetoresistive sensor consists of a substrate located on a substrate in an XY plane, magnetoresistive sensing elements, a modulator, electrical connectors, an electrical insulating layer, and bonding pads. The sensing direction of the magnetoresistive sensing elements is parallel to the X axis. The magnetoresistive sensing elements are connected in series into a magnetoresistive sensing element string. The modulator is comprised of multiple elongated modulating assemblies. The elongated modulating assemblies consist of three layers—FM1 layer, NM layer, and FM2 layer. The ends of the elongated modulating assemblies are electrically connected to form a serpentine current path. The electrical insulating layer is set between the elongated modulating assemblies and the magnetoresistive sensing elements to separate the elongated modulating assemblies from the magnetoresistive sensing elements.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: March 29, 2022
    Assignee: MultiDimension Technology Co., Ltd.
    Inventors: James Geza Deak, Zhimin Zhou
  • Patent number: 11287461
    Abstract: A method includes detecting a first time, at which a specific partial discharge pulse is detected in an energy transmission cable at a first point at one cable end; detecting a second time, at which the pulse is detected in the cable at a second point at the other cable end; determining a fault location along the in accordance with the first and the second times; determining third and fourth points located in the cable, the third and fourth points delimiting a portion of the cable, including the fault location and none of the other points; detecting a third time, at which a further specific partial discharge pulse is detected in the cable at the third point; detecting a fourth time, at which the further pulse is detected in the cable at the fourth point; correcting the determined fault location in accordance with the third and fourth times.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: March 29, 2022
    Assignee: Omicron Energy Solutions GmbH
    Inventors: Harald Emanuel, Andreas Cobet, David Kühling, Jan Möller
  • Patent number: 11287459
    Abstract: Disclosed is a magnetic photoacoustic composite non destructive testing device for a power transmission line of a photovoltaic grid based on a corona effect. The device may include a mechanical structure part and a data processing part. The mechanical structure part may include a shielding shell and mounting bases, shielding bodies are mounted on two sides of the shielding shell, a top of the shielding shell is provided with an upper cover, two sides under the upper cover are provided with the mounting base respectively, and the two mounting bases are located above the shielding bodies respectively. The data processing part may include a pair of optical sensing modules, a pair of magnetic sensing modules, an acoustic sensing module, a humidity sensing module, a micro-processor, a signal conditioning and transmission unit and an internal power supply management module.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: March 29, 2022
    Assignee: North University of China
    Inventors: Yifeng Ren, Changxin Chen, Junmei Zhao, Shuncai Yao, Wenhua Zhang, Dongxing Pei, Tiehua Ma
  • Patent number: 11268990
    Abstract: An electrical current measurement circuit is provided. The electrical current measurement circuit is configured to receive a sense current proportionally related to an electrical current of interest to continuously charge a capacitor to a sense voltage. The electrical current measurement circuit is configured to determine whether the sense voltage reaches a predefined voltage threshold and reduce the sense voltage to below the predefined voltage threshold in response to the sense voltage reaching the predefined voltage threshold. The electrical current measurement circuit counts each occurrence of the sense voltage reaching the predefined voltage threshold and quantifies the electrical current based on a total count of the sense voltage reaching the predefined voltage threshold during the predefined measurement period.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: March 8, 2022
    Assignee: QORVO US, INC.
    Inventors: Nadim Khlat, Philippe Gorisse, Christopher Truong Ngo
  • Patent number: 11262394
    Abstract: Provided is a method for inspecting a piezoelectric element in which voltage is applied to a piezoelectric element and evaluation of the electrical characteristics of the piezoelectric element is performed. The method includes a first step in which the piezoelectric element is held on a flat plate-shaped slightly adhesive sheet and a second step in which voltage is applied to the piezoelectric element held on the slightly adhesive sheet and evaluation of the electrical characteristics of the piezoelectric element is performed.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: March 1, 2022
    Assignee: NGK Insulators, Ltd.
    Inventors: Hiroki Obata, Masayuki Uetani, Ryusuke Ikeda
  • Patent number: 11255808
    Abstract: Disclosed are a chemi-capacitive sensor using a nanomaterial and a method of manufacturing the same. The chemi-capacitive sensor includes a lower electrode including a conductor, an insulation part formed on the lower electrode and including an insulator, an upper electrode disposed on the insulation part and including a first electrode and a second electrode spaced apart from the first electrode, and a detection part disposed on the first electrode, the second electrode, and the insulation part between the first electrode and the second electrode and including at least one selected from the group consisting of a carbon nanomaterial and a metal-oxide-coated carbon nanomaterial. The chemi-capacitive sensor of the present invention is effective at selectively analyzing gas analytes.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: February 22, 2022
    Assignee: GACHON UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION
    Inventors: Jae-Hong Lim, Young Soo Yoon
  • Patent number: 11243256
    Abstract: A system and a method of diagnosing a state of a low-voltage battery, in which, in order to diagnose the state of a low-voltage battery (12V aux battery) provided at a low-voltage side, a daisy chain circuit unit receives a voltage from the low-voltage battery and outputs one or more result signals, and an isolator unit, which electrically insulates a high-voltage side and the low-voltage side, converts the outputted one or more result signals and provides the converted signals to a control unit, thereby diagnosing a state of the low-voltage battery at the low-voltage side by using the control unit provided at the high-voltage side.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: February 8, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventor: In Ho Nam
  • Patent number: 11243275
    Abstract: A magnetic field sensing device includes first magnetoresistor units, second magnetoresistor units, a first testing conductive line, a second testing conductive line, and a driver. The first magnetoresistor units are arranged in a first direction. The second magnetoresistor units are arranged in the first direction, and the second magnetoresistor units are disposed on a side of the first magnetoresistor units in a second direction. The first testing conductive line is disposed on a side of the first magnetoresistor units in a third direction, and extends in the first direction. The second testing conductive line is disposed on a side of the second magnetoresistor units in the third direction, and extends in the first direction. The driver is configured to make two currents in a same direction and two currents in opposite directions pass through the first testing conductive line and the second testing conductive line at different times, respectively.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: February 8, 2022
    Assignee: iSentek Inc.
    Inventor: Fu-Te Yuan
  • Patent number: 11215568
    Abstract: A pressure cell system includes a pressure cell configured to house a sample within inner walls of the pressure cell. An injection system is configured to inject an injectable medium into the pressure cell in a gap between the sample and the inner walls. A heating element is configured to provide heat to the injectable medium in the pressure cell. A pressure gauge is configured to measure pressure inside the pressure cell. A temperature gauge is configured to measure temperature in the pressure cell. A top is configured to provide a pressure resistant lid on the pressure cell. A coaxial resonator system is configured to capture microwave measurements of the sample at different temperatures and pressures after the sample is placed inside of the pressure cell, a top of the pressure cell is closed, and after the injectable medium is injected into the pressure cell in the gap.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: January 4, 2022
    Assignee: Saudi Arabian Oil Company
    Inventor: Jose Oliverio Alvarez
  • Patent number: 11211197
    Abstract: An inductive current transformer for transforming a primary current into a secondary current, has a secondary winding with two terminals, an electronic device for transmitting information to an external measuring device, a first inductive coupling device connected to the secondary winding, and a power supply device which is coupled to the secondary winding via the first inductive coupling device and which is adapted to generate a supply voltage for the electronic device from the secondary electric current of the secondary winding.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: December 28, 2021
    Assignee: Phoenix Contact GmbH & Co. KG
    Inventor: Martin Jankowski
  • Patent number: 11209466
    Abstract: A current sensor includes a plurality of unit groups mounted in a first case and a current sensor includes a first case that is made of a resin and includes a first opposing part, a second case that is made of a resin and includes a second opposing part, a substrate mounted in at least one of the first case and second case, and a plurality of unit groups mounted in the first case and second case, each unit group measuring an induced magnetic field. second case, each unit group measuring an induced magnetic field. Each of the plurality of unit groups includes one or more measurement units arranged in a second direction. A current path and a first magnetic shield, each of which is formed integrally with a first opposing part, are positioned so as to be separated by a first distance. In all unit groups, all first distances are substantially the same.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: December 28, 2021
    Assignee: ALPS ALPINE CO., LTD.
    Inventors: Manabu Tamura, Minoru Abe, Ken Matsue, Yasuo Kotera
  • Patent number: 11204374
    Abstract: A current sensor that outputs an output signal according to a signal magnetic field that is generated by a current to be measured is provided. The current sensor includes at least one magnetic sensor, a temperature sensor, an amplifier, and an offset adjusting circuit. The magnetic sensor generates a sensor signal commensurate with the signal magnetic field. The temperature sensor detects an ambient temperature. The amplifier amplifies the sensor signal at an amplification rate commensurate with the detected temperature and generates the output signal. The offset adjusting circuit adjusts an offset of the output signal. The offset adjusting circuit adjusts an offset in accordance with a relationship (mathematical expression) that holds between an output signal under no signal magnetic field and an amplification rate corresponding to the temperature.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: December 21, 2021
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Noritaka Kishi, Yasuhiro Shimizu
  • Patent number: 11199517
    Abstract: A structural health monitoring method is provided that utilizes self-sensing printed polymer structures. The method is based on resistivity properties of conductive materials, which can be integrated to a 3D printed polymer structure during additive manufacturing. An article to be monitored has at least one 3D printed polymer structure including a circuit comprising at least one conductive pathway extending through a non-conductive material. The resistance across the circuit is measured during or after loading of the article to determine a resistance value. The measured resistance value is compared to a known resistance value, and based on the comparison, a defect can be detected in the 3D printed polymer structure. Structural health monitoring systems and articles with integrated structural health monitoring are also provided.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: December 14, 2021
    Assignee: UT-Battelle, LLC
    Inventors: Vlastimil Kunc, Ahmed A. Hassen, Pooran C. Joshi, Seokpum Kim, John M. Lindahl, Chad E. Duty, Jordan A. Failla, Tyler C. H. Smith
  • Patent number: 11199177
    Abstract: A method of detecting electrical failures in a wind turbine generator control system is described. The method comprises sending a test pulse through a signal path within the control system and detecting the test pulse once it has passed through the signal path, measuring a current through the signal path, and determining an input status and/or an output status of the signal path. Then, the nature of the electrical failure is identified based on a combination of the detected test pulse, the measured current and the determined input status and/or output status of the signal path.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: December 14, 2021
    Assignee: VESTAS WIND SYSTEMS A/S
    Inventors: Lars Rohrmann Andersen, John Bengtson, Karl Axel Pétursson