Patents Examined by Amy He
  • Patent number: 11143674
    Abstract: A probe head includes a linear probe which is flattened at least one of tail, body and head portions thereof and thereby defined with first and second width axes, along which each of the tail, body and head portions is defined with first and second widths, and upper and lower die units having upper and lower installation holes respectively, wherein the tail and head portions are inserted respectively, which are offset from each other along the second width axis so that the body portion is curved. The first and second widths of the body portion are respectively larger and smaller than the first and second widths of at least one of the tail and head portions. As a result, the probes of the same probe head are consistent in bending direction and moving behavior and prevented from rotation, drop and escape.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: October 12, 2021
    Inventors: Tzu Yang Chen, Chia Ju Wei
  • Patent number: 11143718
    Abstract: Thermal-mechanical fatigue assessment systems and methods include a controller operable to estimate a temperature of the conductor having a non-linear resistance based on an ambient temperature input and a current input for current flow through the conductor when connected to an energized electrical power system. A state of fatigue of the conductor may be assessed in view of an estimated first temperature differential between the conductor and an arc extinguishing medium surrounding the conductor, an estimated temperature differential between the temperature of the arc quenching medium and the ambient temperature, and the estimated temperature of the conductor.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: October 12, 2021
    Inventors: Gopinadh Sirigineedi, Pandarinath R, Ravishankar S, Robert Stephen Douglass, Harold Handcock
  • Patent number: 11143496
    Abstract: The present disclosure provides an electrostatic self-powered strain grid sensor configured to measure strain of a component to be measured. The sensor includes a slide groove and a slide sheet. The slide groove is fixed to a fixing end and a sensor array is arranged at an inside bottom of the slide groove. The slide sheet is fixedly connected with the component to be measured and a lower end part of the slide sheet is in contact with the inside bottom of the slide groove. An electric signal is output when the slide sheet sweeps over the sensor array. Based on the output current of a sensor unit of the sensor array indicated by the signal, the number of segments swept over by the slide sheet and a distance swept over the sensor units in a single sensor array by the slide sheet is obtained, thereby acquiring a structural strain.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: October 12, 2021
    Inventors: He Zhang, Liwei Quan, Jiwei Zhang, Zhicheng Zhang
  • Patent number: 11131642
    Abstract: The present disclosure relates to a measuring circuit for a conductivity sensor, wherein the measuring circuit includes a built-in reference circuit and multiple built-in measuring ranges.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: September 28, 2021
    Assignee: Endress+Hauser Conducta GmbH+Co. KG
    Inventors: Stefan Paul, Erik Münz
  • Patent number: 11073576
    Abstract: An object of the present invention is to selectively detect a detection magnetic field without separately providing a sensor for detecting an environmental magnetic field. A magnetic field detection device includes a magnetic field detection unit 10 that generates an output signal S1 according to a magnetic field, a first signal generation unit 20 that extracts a predetermined frequency component from the output signal S1 and generates a cancel signal S2 based on the predetermined frequency component, a first magnetic field generation unit 40 that applies a first cancel magnetic field to the magnetic field detection unit 10 based on the cancel signal S2, and a second signal generation unit 30 that generates a detection signal S3 based on the output signal S1 of the magnetic field detection unit 10 to which the first cancel magnetic field is applied.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: July 27, 2021
    Inventor: Kei Tanabe
  • Patent number: 11061075
    Abstract: A system configured to avoid a power shortage while a vehicle is traveling is provided. A voltage measurement device includes a relay, a first voltage measurement unit measures a first voltage applied to the power supply circuit, a second voltage measurement unit, a power supply circuit, and a control circuit. The power supply circuit is indirectly connected to a direct current bus. A first end of the relay is connected to the direct current bus, whereas a second end is connected to the power storage device. The control circuit, controls opening and closing of the relay, and closes a path between the first end and the second end when the first voltage is lower than or equal to a first threshold value. The second voltage measurement unit measures a second voltage applied to the second end at least when the relay is in an open state.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: July 13, 2021
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventor: Hiromichi Yasunori
  • Patent number: 11054466
    Abstract: A semiconductor device test system and a semiconductor device test method are provided. The system includes a device under test (DUT) which provides an output voltage to a load connected to an output terminal, automatic test equipment (ATE) which supplies power to the DUT and measures the output voltage of the DUT, and a current mirror which is connected between the ATE and the DUT. The ATE outputs a reference current to the current mirror, and the DUT provides an output current to the current mirror. The output current is obtained by mirroring the reference current from the ATE.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: July 6, 2021
    Inventor: Sung-Gu Lee
  • Patent number: 11041930
    Abstract: According to one embodiment, the MRI apparatus includes an RF coil apparatus having a coil element, a coil port to which the RF coil apparatus is connectible, receive circuitry receiving a signal detected by the RF coil apparatus via the coil port when neither an RF pulse nor a gradient magnetic field is being applied, and performing A/D conversion with an A/D converter, and processing circuitry detecting an abnormality based on the signal. With the RF coil apparatus being connected to the coil port, the receive circuitry switches at least one switch provided in a section between the coil element and the A/D converter between on and off, and receives the signal. The processing circuitry compares a signal of a path where the coil element and A/D converter are connected with a signal of a path where the coil element and A/D converter are not connected, and detects the abnormality.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: June 22, 2021
    Inventors: Shinji Mitsui, Keiji Tahira
  • Patent number: 11016137
    Abstract: A semiconductor inspection jig includes: a jig body having a recessed part provided on a top surface of the jig body; a printed circuit board provided on the top surface of the jig body; a GND block provided in the recessed part and having first and second side faces opposite to each other; first and second blocks provided in the recessed part and sandwiching the GND block; a push-up part pushing up the GND block from a bottom surface of the recessed part; a first press part pressing the first block against the first side face of the GND block; and a second press part pressing the second block against the second side face of the GND block.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: May 25, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventor: Tomohito Taniuchi
  • Patent number: 10969249
    Abstract: A method, apparatus, and system use logic circuitry arranged within an integrated circuit to: convert a self capacitance of a first sensor element arranged within the integrated circuit to a digital value, and apply a signal to an output pin of the integrated circuit based on the self capacitance.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: April 6, 2021
    Assignee: Cypress Semiconductor Coproration
    Inventors: Rajagopal Narayanasamy, Mahadevan Krishnamurthy Narayana Swamy, David G. Wright, Steve Kolokowsky
  • Patent number: 10961841
    Abstract: Systems and methods for corrosion detection of downhole tubulars.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: March 30, 2021
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Reza Khalaj Amineh, Burkay Donderici, Luis Emilio San Martin
  • Patent number: 10958101
    Abstract: An electric power system includes an energy management system configured to control a generated power output level of one or more electric generator resources, and a configuration of two or more high-voltage transmission lines, for efficient operation based, at least in part, on a topology error estimation using binary values corresponding to switch statuses. Increased accuracy of network topology estimates facilitates improved state estimation, which in turn enables production of more highly optimized control of electric generator resources and configuration of high-voltage transmission lines.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: March 23, 2021
    Inventors: James G. Frame, Lei Fan
  • Patent number: 10955488
    Abstract: A modular power supply including a voltage regulator configured to output a voltage, a first output configured to connect to a device under test and output the voltage from the regulator, a microcontroller connected to the voltage regulator, and an interface configured to connect to a test and measurement instrument. The interface includes an input configured to receive power from the test and measurement instrument and a second output configured to output a signal characteristic of the first output.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: March 23, 2021
    Assignee: Tektronix, Inc.
    Inventors: Haiping Lv, Hai Wen Yu
  • Patent number: 10935368
    Abstract: Time-of-flight measurements calculate the absolute caliper of a moving film independent of the film's index of refraction. A reflective fiber coupled terahertz gauge is mounted co-axially with a temperature stabilized Z-sensor positioned within a scanner head. The terahertz gauge monitors four reflections: (1) the reflection from a sensor window, (2, 3) the reflections from the top and bottom surfaces of the sheet product being measured, and (4) the reflection from a reflector that is placed behind the sheet. The Z-sensor monitors the distance between the reflector and the sensor window. The terahertz reflection delays together with the Z distance measurements allow extraction of the caliper. Since the time delay due to the sheet is a function of thickness and index of refraction, the basis weight of the sheet can be determined by using a calibration of the sensor relating basis weight of the product to time delay.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: March 2, 2021
    Assignee: Honeywell Limited
    Inventor: Sebastien Tixier
  • Patent number: 10921109
    Abstract: A sensor simultaneously determines a maximum rub depth and running clearance of a plurality of blade tips in a jet engine. The sensor includes an inductive component (e.g. inductor) and a resistive component comprising resistor portions each indicative of a depth into a layer of abradable material near the blade tips. When the blade tips move in proximity to the inductor, eddy currents in the blades generates a magnetic field that interact with the magnetic field generated by the inductor, which appears as an AC component in the current. When the blade tips abrade the abradable material, the resistor portions are severed and the DC current changes due to a change in resistance at the resistive component. An amplitude of the AC component indicates a running clearance as the blades move in proximity to the inductor. The frequency of the AC component indicates the rotational speed of the blades.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: February 16, 2021
    Assignees: Rolls-Royce North American Technologies Inc., Rolls Royce Corporation
    Inventors: Benjamin M. Iwrey, Kerry A. Wiegand
  • Patent number: 10895588
    Abstract: A test and measurement system including a plurality of channels and one or more processors. The one or more processors are configured to cause the test and measurement system to receive, via a first channel of the plurality of channels, a positive side of a reference differential signal pair, receive, via a second channel of the plurality of channels, a negative side of the reference differential signal pair, and produce a reference signal based the reference differential signal pair. A combined signal is received, from a combiner, that is a balanced signal produced from the reference differential signal pair. A de-embed filter is generated based on the reference signal and the combined signal and an additional signal is received from the combiner and an effect of the combiner is removed from the additional signal by applying the de-embed filter to the additional signal.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: January 19, 2021
    Assignee: Tektronix, Inc.
    Inventors: John J. Pickerd, Pirooz Hojabri, Kan Tan
  • Patent number: 10838000
    Abstract: A method and apparatus for simultaneously testing a component at multiple frequencies is disclosed. A digital processing circuit may generate a digital representation of a signal having a plurality of sine waves, each having a unique frequency. The digital representation may be converted into an analog signal, and applied to a device under test (DUT). A first analog-to-digital converter (ADC) may be coupled to measure voltages across the DUT, while a second ADC may be coupled to measure currents through the DUT. Voltage and current signals received by the first and second ADCs, respectively, may be converted into first and second digital values. Voltage and current values at each unique frequency are determined from the first and second digital values. Using the voltage and current values for each unique frequency, a frequency response of the component (e.g., an impedance) over a range of frequencies may be determined.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: November 17, 2020
    Assignee: National Instruments Corporation
    Inventors: Blake A. Lindell, Pablo E. Limon-Garcia-Viesca
  • Patent number: 10830611
    Abstract: A magnetic field detection device includes an IC package, a terminal, a resin mold member. The IC package includes a magnetism detection element, a lead frame located on a first side of the magnetism detection element, and a resin member covering the magnetism detection element and the lead frame. The resin mold member includes a base portion and a head portion. The head portion includes a thickest portion. An outer wall surface of the thickest portion located on a second side of the magnetism detection element is a detection reference surface. An element corresponding surface that is an outer wall surface of the IC package located on the second side is exposed to an outside of resin mold member or covered with a detection side thin portion thinner than a thickness from the element corresponding surface to the detection side reference surface.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: November 10, 2020
    Inventors: Seiji Nishimoto, Tomoyuki Takiguchi, Yoshiyuki Kono, Akitoshi Mizutani
  • Patent number: 10819359
    Abstract: An energy-efficient capacitance-to-digital converter (CDC) is provided that utilizes a capacitance-domain successive approximation (SAR) technique. Unlike SAR analog-to-digital converters (ADCs), analysis shows that for SAR CDCs, the comparator offset voltage will result in signal-dependent and parasitic-dependent conversion errors, which necessitates an op-amp-based implementation. The inverter-based SAR CDC contemplated herein provides robust, energy-efficient, and fast operation. The inverter-based SAR CDC may include a hybrid coarse-fine programmable capacitor array. The design of example embodiments is insensitive to analog references, and thus achieves very low temperature sensitivity without the need for calibration. Moreover, this design achieves improved energy efficiency.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: October 27, 2020
    Inventors: Hesham Omran, Abdulaziz Alhoshany, Khaled Salama
  • Patent number: 10794978
    Abstract: A method for correcting one or more artifacts within a multi-spectral magnetic resonance image is provided. The method includes acquiring a plurality of spectral bins each including a plurality of voxels and corresponding to a different frequency of MR signals emitted by an imaged object. The plurality of voxels of each spectral bin correspond to the frequency of the spectral bin so as to define a spatial coverage of the spectral bin. The method further includes expanding each spectral bin by increasing the spatial coverage of the spectral bin, and generating the multi-spectral magnetic resonance image based at least in part on the expanded spectral bins.
    Type: Grant
    Filed: April 6, 2018
    Date of Patent: October 6, 2020
    Inventors: Suryanarayanan Sivaran Kaushik, Kevin Matthew Koch