Patents Examined by Bot Ledynh
  • Patent number: 10067257
    Abstract: An electromagnetic measurement tool for making multi-frequency, full tensor, complex, electromagnetic measurements includes a triaxial transmitter and a triaxial receiver deployed on a tubular member. An electronic module is configured to obtain electromagnetic measurements at four or more distinct frequencies. The measurement tool may be used for various applications including obtaining a resistivity of sand layers in an alternating shale-sand formation; computing a dielectric permittivity, a conductivity anisotropy, and/or a permittivity anisotropy of a formation sample; and/or identifying formation mineralization including discriminating between pyrite and graphite inclusions and/or computing weight percent graphite and/or pyrite in the formation sample.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: September 4, 2018
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Dean Homan, John Rasmus, Gerald Minerbo, Siddharth Misra, Aditya Gupta
  • Patent number: 10060990
    Abstract: The present invention relates to a shield apparatus and a shield method for measuring a subtle magnetic field. More specifically, the present invention relates to a shield apparatus having a precise magnetic sensor therein, for shielding an external magnetic field in a subtle magnetic field measurement apparatus including a magnetic field generation apparatus for exciting a sample, the shield apparatus for measuring a subtle magnetic field, including: a shield wall provided with a high-conductivity metal layer of high conductivity being partitioned into a plurality of segments and having a high-frequency shield property and a closed high-permeability soft magnetic layer spaced apart from the high-conductivity metal layer by a predetermined distance, so as to seal a measurement space.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: August 28, 2018
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Ki Woong Kim, Yong Ho Lee, Kwon Kyu Yu, Seong-Joo Lee
  • Patent number: 10060987
    Abstract: Various embodiments of the present technology may comprise a method and apparatus to measure the remaining capacity of a battery. The method and apparatus may comprise utilizing various parameters, such as internal resistance, temperature, and aging characteristics to calculate the remaining capacity of the battery. According to various embodiments, the internal resistance and temperature of the battery are periodically measured. According to various embodiments, each time a new internal resistance is measured, the new the internal resistance becomes the new baseline for calculating the remaining capacity of the battery.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: August 28, 2018
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventor: Hideo Kondo
  • Patent number: 10041545
    Abstract: A bearing providing at least an inner ring and an outer ring adapted to concentrically rotate with respect to one another, equipped with at least one embedded device for the detection of a displacement in translation of the rings relative to each other, the detection device including a linear encoder element mounted on one of the rings, and a sensor element mounted on the other ring and opposite the encoder element.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: August 7, 2018
    Assignee: AKTIEBOLAGET SKF
    Inventors: Michel Nicolas, Arnaud Guerard
  • Patent number: 10036785
    Abstract: In one aspect, an integrated circuit (IC) includes a sensor that includes a first magnetoresistive (MR) element and a second MR element less active to a presence of a magnetic field than the first MR element. The second MR element includes a metal layer diffused into other layers of the second MR element.
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: July 31, 2018
    Assignee: Allegro MicroSystems, LLC
    Inventors: Paul A. David, William P. Taylor
  • Patent number: 10036796
    Abstract: Phantoms for use in magnetic resonance imaging (“MRI”) and, in particular, for use in quantifying fat concentration, iron concentration, or both, are provided. The phantoms are constructed to accurately reflect in vivo magnetic resonance signal behavior in the presence of both fat and iron. The phantoms described here can thus be used for phantom-based validation of MRI techniques for the joint quantification of fat and iron concentration, for phantom-based validation of MRI techniques for quantifying fat concentration in the presence of iron overload, and for phantom-based validation of MRI techniques for quantifying iron concentration given the confounding presence of fat.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: July 31, 2018
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Scott Brian Reeder, Diego Hernando, Samir Sharma
  • Patent number: 10031253
    Abstract: Buried object locators including an omnidirectional antenna array and a gradient array are disclosed. A locator display may include information associated with a buried object based on both omnidirectional antenna array signals and gradient antenna array signals.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: July 24, 2018
    Assignee: SEESCAN, INC.
    Inventors: Mark S. Olsson, Ray Merewether, Michael J. Martin, Ryan B. Levin
  • Patent number: 10018690
    Abstract: The present invention provides a phantom (200) for use in a magnetic resonance (MR) imaging system (110) with a set of resonating volumes (206) positioned in a base body (202), whereby the base body (202) has a spherical or ellipsoid shape in accordance with a volume of interest (203) of the MR imaging system (110), and the resonating volumes (206) are located at a circumference of the base body (202).
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: July 10, 2018
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Johannes Adrianus Overweg, Kay Nehrke
  • Patent number: 10012683
    Abstract: Disclosed are a system for testing a wireless terminal and a method for controlling the same. The system includes: a device under test being a wireless terminal; a reflecting surface, configured to totally reflect one or more wireless signals emitted by the wireless terminal; a rotation mechanism, configured to drive the device under test to rotate; a test antenna, configured to receive one or more wireless signals reflected; and an absorbing screen. The device under test, the test antenna and the reflecting surface correspond to a same ellipsoidal surface, the device under test and the test antenna are arranged at two foci of the ellipsoidal surface respectively, and the reflecting surface is arranged on the ellipsoidal surface. The system has advantages of small repetition error of test results, stable test results, high testing efficiency, and low cost.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: July 3, 2018
    Assignee: GENERAL TEST SYSTEMS INC.
    Inventors: Yihong Qi, Wei Yu
  • Patent number: 10006789
    Abstract: A correction apparatus for an angle sensor includes a correction unit for performing first correction processing on a first detection signal and performing second correction processing on a second detection signal. The first correction processing is processing for combining the first detection signal and a first correction value to generate a first corrected detection signal. The second correction processing is processing for combining the second detection signal and a second correction value to generate a second corrected detection signal. The first correction value has a first amplitude and varies with a first period. The second correction value has a second amplitude and varies with a second period. The first and second amplitudes are of the same value. The first and second periods are of the same value equal to ? or ? of the period of an ideal component of each of the first and second detection signals.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: June 26, 2018
    Assignee: TDK CORPORATION
    Inventors: Shinichirou Mochizuki, Hiraku Hirabayashi, Tsuyoshi Umehara, Hiroshi Naganuma, Kazuya Watanabe
  • Patent number: 10006884
    Abstract: Determining a Curie temperature (Tc) distribution of a sample comprising magnetic material involves subjecting the sample to an electromagnetic field, heating the sample over a range of temperatures, generating a signal representative of a parameter of the sample that changes as a function of changing sample temperature while the sample is subjected to the electromagnetic field, and determining the Tc distribution of the sample using the generated signal and a multiplicity of predetermined parameters of the sample.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: June 26, 2018
    Assignee: Seagate Technology LLC
    Inventors: Ganping Ju, Jason L Presseky, Roy W. Chantrell, Xiaowei Wu, Xi Chen, Xiaobin Zhu, Yingguo Peng
  • Patent number: 10001580
    Abstract: An electromagnetic (EM) receiver system for measuring EM signals. The EM receiver system includes a frame; a first EM receiver attached to the frame and configured to measure the EM signals within a first frequency range; and a second EM receiver attached to the frame and configured to measure the EM signals within a second frequency range. Corresponding axes of the first and second EM receivers are substantially parallel to each other.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: June 19, 2018
    Assignee: CGG SERVICES SAS
    Inventors: Philip Miles, Jason Berringer
  • Patent number: 10001531
    Abstract: The present invention relates to a compound exhibiting Giant Magneto-Impedance (GMI) properties. The general chemical formula of the compound is (FeXCo100-X)100-(?+?+?)Cr?Si?B?, characterized in that ?<? and ?<?, wherein ? is preferably in the range of 2 to 4% by weight, ? is preferably in the range of 11.5% to 13% by weight, and ? is preferably in the range of 11% to 13% by weight, and X is preferably about 6% by weight. The chemical formula more preferably is (Fe6%Co94%)72.5%Cr2% Si12.5%B13%. The present invention also relates to a giant magneto-impedance (GMI) based sensing device for non-destructive contactless detection of carburization in austenitic stainless steel samples in field.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: June 19, 2018
    Assignees: Indian Oil Corporation Limited, COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Sova Bhattacharya, Qazi Mohammad Amir, Chandrasekaran Kannan, Brijesh Kumar, Biswapriya Das, Ashish Kumar Panda, Rajat Kumar Roy, Tarun Kumar Das, Swapan Kumar Das, Amitava Mitra
  • Patent number: 9983269
    Abstract: A life estimating apparatus estimating a residual life that is of a usable accumulated residual period of an energy storage device, the life estimating apparatus includes: a relational expression acquisition unit that acquires a relational expression, in which a resistance value of a DC resistance or an AC resistance of the energy storage device at an accumulated use period elapsed time point that is of an accumulated value of a use period of the energy storage device is given by an expression including a term of a function of the accumulated use period; and a residual life estimating unit that estimates the residual life of the energy storage device using the acquired relational expression.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: May 29, 2018
    Assignee: GS Yuasa International Ltd.
    Inventors: Yohei Tao, Shigeki Yamate
  • Patent number: 9976876
    Abstract: Methods and apparatus for positioning a magnetic field sensor IC package having a first channel for a planar magnetic field sensing element and a second channel for vertical magnetic field sensing element in relation to an axis of a ring magnet to provide a desired phase relationship between the first and second channels. In embodiments, positioning the sensor includes an offset angle and a displacement with respect to a centerline of the ring magnet.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: May 22, 2018
    Assignee: ALLEGRO MICROSYSTEMS, LLC
    Inventors: Ryan J. Metivier, Yannick Vuillermet
  • Patent number: 9970784
    Abstract: A cable with a sensor includes electrically insulated wires, a sheath for covering the electrically insulated wires together, a sensor, and a housing for sealing one end of the sheath, while receiving at least a portion of the sensor. The housing includes a receiving portion for receiving the at least portion of the sensor, a lead out portion for the sheath being drawn therefrom, and a curved cylinder section having a circular cross section. The curved cylinder section is provided between the receiving portion and the lead out portion, to hold the electrically insulated wires. The curved cylinder section is made of a molded resin formed in a circular cross sectional shape at right angles to a direction of extending of the electrically insulated wires. The electrically insulated wires are held in the middle of the circular cross section of the curved cylinder section.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: May 15, 2018
    Assignee: HITACHI METALS, LTD.
    Inventors: Yukio Ikeda, Shinya Oeda
  • Patent number: 9971055
    Abstract: Various embodiments are described that relate to a loop with a constant phase. The loop can function as an antenna and be used in object detection. A current source can be used to power the loop such that the loop produces a magnetic field and electric field. The magnetic field can be powerful enough to detect a dielectric while the electric field is so small that it does not interfere with nearby communication equipment. Thus, detection can occur without disruption of other important devices.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: May 15, 2018
    Assignee: The United States of America, as represented by the Secretary of the Army
    Inventors: Daniel Charles Heinz, Adam William Melber, Thomas Albert Burst, Michael Leonard Brennan, Michael Steer
  • Patent number: 9963963
    Abstract: A series of electromagnetic field strength measurements is acquired from a sensor at multiple depths in a first well, responsive to an electromagnetic field originating at a second well, via at least one of a direct transmission and a backscatter transmission. A drilling phase associated with drilling operations conducted in the first well is determined. A sensor separation depth associated with the drilling phase is selected. An approximate range between the first well and the second well is calculated, based on the series of electromagnetic field strength measurements and the sensor separation depth.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: May 8, 2018
    Assignee: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Hsu-Hsiang Wu, Akram Ahmadi Kalateh Ahmad
  • Patent number: 9958568
    Abstract: A method and system for active cancellation of transient signals and dynamic loop configuration for geophysical exploration is disclosed. The method includes controlling a transmitter to transmit a waveform in a frequency spectrum during an on-time. The transmitter includes a plurality of turns of wire. The method also includes controlling a plurality of switches to direct an electrical signal through the plurality of turns of wire. The plurality of switches electrically coupled to the plurality of turns of wire. The method further includes controlling a switch of the plurality of switches to direct a first portion of a transient current in an opposite direction from a direction of a second portion of the transient current during an off-time.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: May 1, 2018
    Assignee: CGG SERVICES SAS
    Inventors: Philip Miles, Jason Berringer
  • Patent number: 9951599
    Abstract: Methods and apparatuses for determining surface wetting of a metallic material with changing well fluids. In general, the methods according to the invention include measuring electrical impedance spectroscopy (“EIS”) for a system simulating downhole conditions for the wetting of a surface. Methods and apparatuses for making EIS measurements model double-layer capacitance at a downhole surface in a well, from which the nature and quantification of the wetting of the surface can be inferred.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: April 24, 2018
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Sairam KS Pindiprolu, Dennis Willie Gray, Venkata Gopala Rao Palla