Patents Examined by Hoai-An D. Nguyen
  • Patent number: 11982711
    Abstract: Methods of testing, diagnosing, or assessing the functionality of switches of an electric motor control system and/or a phase loss of an electric motor, and electric motor systems/motor control systems employing such methods, are disclosed herein. In one example embodiment, a method of diagnosing a fault includes detecting respective phase voltage signals communicated from the first, second, and third output nodes indicative of respective phase voltages occurring at the first, second, and third output nodes, respectively, and determining whether the respective phase voltages indicate that a first fault has occurred, either with respect to one or more transistors of pairs of switching transistors or with respect to one or more of first, second, and third phase windings. The determining is based upon whether the respective phase voltage signals indicate that respective phase voltages present respectively at the output nodes are equal or substantially equal to an intermediate output voltage.
    Type: Grant
    Filed: August 4, 2022
    Date of Patent: May 14, 2024
    Assignee: NXP USA, Inc.
    Inventors: Huabiao Tang, Junjie Lai
  • Patent number: 11977111
    Abstract: A pull out-assisting linkage device for load board of semiconductor automatic test equipment. One end of the handle is rotatably connected to the test equipment by a rotating member. The middle of the handle is bolted to the linkage. The two rotating plates are fixedly connected to the linkage and are located at the two ends of the linkage. Each rotating plate is rotatably connected to the test equipment. Both the first pull out-assisting rod and the second pull out-assisting rod are fixedly connected to each rotating plate by a universal connecting rod. The first pull out-assisting rod and the second pull out-assisting rod are slidingly connected to the test equipment. The first pull out-assisting rod has a first pull out-assisting slot in the side wall, and the second pull out-assisting rod has a second pull out-assisting slot in the side wall, with the first pull out-assisting slot and the second pull out-assisting slot set in reverse.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: May 7, 2024
    Inventors: Zhijie Bao, Kunling Zhao
  • Patent number: 11977102
    Abstract: A diode voltage measurement system includes a plurality of diodes connected in series along a single line. The plurality of diodes include N diodes. The system includes a plurality of capacitors for at least N?1 of the diodes. Each capacitor is connected in parallel to the single line with a respective diode to form a respective diode-capacitor (DC) pair. Each DC pair is configured such that each DC pair reaches a steady state voltage at a different time. The system includes a current supply connected to the single line to supply a current to the line. The system includes a control module configured to sense a total voltage across the single line and to successively determine voltage of each diode from the total voltage based on the current, a known total steady state voltage, and known time-to-steady-state-voltages of each DC pair and/or diode.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: May 7, 2024
    Assignee: Simmonds Precision Products, Inc.
    Inventor: Scott R. Durkee
  • Patent number: 11965920
    Abstract: A method for achieving terminal-pair definition of four-terminal-pair (4TP) impedance and an application thereof are provided, which belongs to the field of precision measurement and metrology. A current output terminal of a two-stage follower is connected to a high current terminal of impedance through a coaxial line, and a voltage output terminal of the two-stage follower is connected to a high voltage terminal of the impedance through the coaxial line, which makes current of the high voltage terminal be 0, and core wire currents and outer wire currents of the high current terminal equal and reverse. The terminal-pair definition of the 4TP impedance can be satisfied; and the follower is added to make a bridge ratio variable and isolate effects of bridge load changes, thereby accelerating a balancing speed of the 4TP impedance bridge, and achieving accurate and fast comparative measurement having high precision of the 4TP AC impedance.
    Type: Grant
    Filed: November 6, 2023
    Date of Patent: April 23, 2024
    Assignee: NATIONAL INSTITUTE OF METROLOGY, CHINA
    Inventors: Yan Yang, Lu Huang, Dongxue Dai, Wei Wang, Xia Liu
  • Patent number: 11959975
    Abstract: A method and monitoring device for selectively determining partial insulation resistance and partial system leakage capacitance of an outgoing line in a branched ungrounded power supply system monitored using an insulation monitoring device actively superposing a measuring alternating voltage on the ungrounded power supply system. Using an equivalent circuit diagram of the branched ungrounded power supply system as a basis, the partial insulation resistance having the current/voltage ratios applicable in linear systems are derived from the known measuring voltage and the inner resistance of the insulation monitoring device and from the total insulation resistance and the stationary partial current measured in the corresponding outgoing line and in the settled state.
    Type: Grant
    Filed: March 16, 2023
    Date of Patent: April 16, 2024
    Assignee: BENDER GMBH & CO. KG
    Inventor: Carsten Hartmann
  • Patent number: 11953460
    Abstract: Monolithic humidity sensor devices, and methods of manufacture. The devices include circuitry on or over a silicon substrate. A primary passivation barrier is formed over the circuitry with conductive vias therethrough; a capacitor, comprising metal fingers with spaces therebetween, is formed above said primary passivation barrier and electrically coupled by the conductive vias to the circuitry. A secondary passivation barrier is formed over the capacitor. A hygroscopic material layer is formed over the secondary passivation barrier, wherein the capacitor is operable to exhibit a capacitance value responsive to moisture present in the hygroscopic material layer and the circuitry is operable to generate a signal responsive to said capacitance value.
    Type: Grant
    Filed: March 31, 2022
    Date of Patent: April 9, 2024
    Assignee: Texas Instruments Incorporated
    Inventors: Ricky Alan Jackson, Wai Lee
  • Patent number: 11953546
    Abstract: According to one aspect, an integrated circuit includes: an electronic module configured to generate a voltage at an output, and an electronic control circuit coupled to an output of the electronic module, the electronic control circuit comprising an emissive electronic component. The electronic control circuit is configured to cause the emissive electronic component to emit light radiation as a function of a value of the voltage at the output of the electronic module relative to a value of an operating voltage of the electronic module, and the operating voltage is specific thereto during normal operation of this electronic module. The light radiation emitted by the emissive electronic component is configured to diffuse to an outer face of the integrated circuit.
    Type: Grant
    Filed: March 9, 2023
    Date of Patent: April 9, 2024
    Assignees: STMicroelectronics (Alps) SAS, STMicroelectronics (Grenoble 2) SAS
    Inventors: Etienne Auvray, Tommaso Melis, Philippe Sirito-Olivier
  • Patent number: 11946955
    Abstract: A sensor is configured to sense the rate of change of a current in order to protect the bridge arms in a power module with power layers and measurement layers. The sensor includes at least three conductors (C1, C2, Cp) and coils. One end of each conductor is connected to a common node, while the other end of each conductor is used respectively as an electrical terminal. The at least three conductors are contained in the same plane, referred to as the primary plane, while each conductor has a plane of symmetry perpendicular to the primary plane, each plane of symmetry passing through the common node and the corresponding terminal. A first conductor and a second conductor are identical and positioned symmetrically relative to a third conductor, and at least one pair of coils is positioned symmetrically relative to a plane of symmetry.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: April 2, 2024
    Assignees: NL CONSEIL, SAFRAN ELECTRICAL & POWER
    Inventor: Norbert Lartigue
  • Patent number: 11921167
    Abstract: An earth fault detection apparatus includes a switch group configured to switch between a first measurement path including a battery and a capacitor, a second measurement path including the battery, a negative-side insulation resistance, and the capacitor, a third measurement path including the battery, a positive-side insulation resistance, and the capacitor; and a control unit configured to calculate a reference value, based on each charging voltage of the capacitor in each measurement path, and configured to calculate an insulation resistance with reference to a predetermined conversion map, in which the conversion map includes a conversion map corresponding to a capacitance of the capacitor, and the control unit estimates the capacitance of the capacitor, and refers to the conversion map corresponding to the capacitance of the capacitor that has been estimated.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: March 5, 2024
    Assignee: YAZAKI CORPORATION
    Inventors: Yasuyuki Mochizuki, Norio Sudo, Ryosuke Arigaya
  • Patent number: 11922838
    Abstract: A display panel, comprising a first insulating structural layer, a first crack detection line, a second insulating structural layer and a second crack detection line which are sequentially arranged on a substrate, wherein the first crack detection line and the second crack detection line are both located in a peripheral area and are arranged around a display area, one end of the first crack detection line is configured to receive a detection signal, and the other end of the first crack detection line is configured to output a first output signal, and one end of the second crack detection line is configured to receive a detection signal and the other end of the second crack detection line is configured to output a second output signal.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: March 5, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yu Wang, Yi Zhang, Tingliang Liu, Chang Luo, Hao Zhang, Huijuan Yang, Tinghua Shang, Yang Zhou, Pengfei Yu, Shun Zhang, Xiaofeng Jiang, Huijun Li, Linhong Han
  • Patent number: 11921224
    Abstract: A system includes at least one sensing unit, the sensing unit including a sensing element. The system includes at least one spatial Lorentz filter coupled to the sensing element. The spatial Lorentz filter (SLF) includes an input coupled to the sensing element and an analog to digital converter (ADC) providing a filtered output signal. The sensing unit is connected to a processor configured for determining velocity or position with respect to a magnetic field and/or a geographic position by processing SLF output signals.
    Type: Grant
    Filed: June 9, 2023
    Date of Patent: March 5, 2024
    Assignee: ARCHAIUS INC.
    Inventor: Frederick Vosburgh
  • Patent number: 11906560
    Abstract: A method of measuring a fuse resistance includes steps as follows. A predetermined voltage value of a force voltage on a common ground (CGND) bus electrically connected to at least one fuse element, a first current value of a measured current through the CGND bus in a first condition, and a second current value of another measured current through the CGND bus in a second condition are preloaded. The second current value is subtracted from the first current value, so as to get a subtracted current value, thereby removing a value of a leakage current through the CGND bus. The predetermined voltage value is divided by the subtracted current value to equal the fuse resistance of the at least one fuse element.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: February 20, 2024
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventor: Mei Chuan Peng
  • Patent number: 11906599
    Abstract: An earth leakage detecting device comprises following elements. A first end of coupling capacitor is connected to a current path of power storage connected to load in a state of being insulated from a ground. Voltage output unit generates a periodic voltage that changes periodically, and applies the periodic voltage to a second end of coupling capacitor via impedance element. Voltage measurer measures a voltage at a connection point between coupling capacitor and impedance element. Earth leakage determiner determines presence or absence of an earth leakage between the current path of power storage and the ground on the basis of the measured voltage. Voltage output unit has a preparation period for constantly outputting a potential between a high-side potential and a low-side potential of the periodic voltage before a measurement period for outputting the periodic voltage.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: February 20, 2024
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Masato Nakayama, Tomonori Kunimitsu, Taisuke Hamada, Jun Asakura
  • Patent number: 11906552
    Abstract: The present disclosure relates to a voltage measuring method, a computer device and a storage medium. The method includes: determining, by a voltage measuring device when the voltage measuring device is electrically coupled to a three-phase conductor through a voltage dividing capacitor in the voltage measuring device, a current measured voltage, the measured voltage being determined by measuring a voltage of the voltage dividing capacitor in the voltage measuring device; adjusting the coupling capacitances, and determining, by the voltage measuring device after the adjustment of the coupling capacitances, a current measured voltage; and determining, based on the measured voltage by the voltage measuring device before the adjustment of the coupling capacitances and the measured voltage by the voltage measuring device after the adjustment of the coupling capacitances, a voltage of a phase conductor of the three-phase conductor to be measured.
    Type: Grant
    Filed: July 31, 2023
    Date of Patent: February 20, 2024
    Assignee: DIGITAL GRID RES. INST, CHINA SOUTHERN POWER GRID
    Inventors: Peng Li, Bing Tian, Zhong Liu, Bofeng Luo, Zhiming Wang, Licheng Li, Xiaopeng Fan, Senjing Yao, Qiancheng Lv, Zhenheng Xu, Renze Chen, Yuehuan Lin, Xu Yin, Jiaming Zhang, Jie Wei, Zejie Tan
  • Patent number: 11906332
    Abstract: An integrated circuit includes a first substrate. A MOS transistor has a first polysilicon region electrically isolated from the first substrate and including a gate region. A second polysilicon region is electrically isolated from the first polysilicon region and from the first substrate. The second polysilicon region includes a source region, a substrate region and a drain region of the MOS transistor. The first polysilicon region is located between an area of the first substrate and the second polysilicon region.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: February 20, 2024
    Assignee: STMicroelectronics (Rousset) SAS
    Inventor: Pascal Fornara
  • Patent number: 11892430
    Abstract: Provided according to one embodiment is a device for sensing a gas, comprising: a lamp for outputting ultraviolet light; a first PCB including a hole for inserting the lamp; a second PCB disposed perpendicular to the first PCB and including a lamp power terminal and a lamp ground terminal used to supply power to the lamp; a third PCB disposed parallel to the first PCB, disposed perpendicular to the second PCB, and including a power reception terminal for receiving power from the outside; a first ring-shaped electrode attached to the lamp power terminal and fixing the lamp; and a second ring-shaped electrode attached to the lamp ground terminal, fixing the lamp, and disposed parallel to the first electrode.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: February 6, 2024
    Assignee: TAESUNG ENVIRONMENTAL RESEARCH INSTITUTE CO., LTD.
    Inventors: Gi Yeol Yun, Seok Man Kim, Chai Rok Lim, Kwang Bum Park, Dae Sung Lee
  • Patent number: 11892496
    Abstract: Provided is a method for determining insulation thermomechanical deterioration of a VPI wire rod of a pumped storage power generator motor. The method includes: periodically performing a cold-heat cycling test on a wire rod, and performing an insulation dielectric dissipation factor testing and a result interpretation of the insulation dielectric dissipation factor testing before and after each period to obtain corresponding data; in response to determining the interpretation result as the data being qualified, continuing to perform the cold-heat cycling test; and in response to determining the interpretation result as the data being unqualified, striking the wire rod with a copper hammer, and using an acoustic acquisition and analysis system to perform signal processing to determine spectral characteristics in a thermomechanical deterioration state as a deterioration criterion.
    Type: Grant
    Filed: October 27, 2022
    Date of Patent: February 6, 2024
    Assignee: CSG POWER GENERATION CO., LTD. MAINTENANCE AND TEST COMPANY
    Inventors: Xiangdong Liu, Liangliang Nie, Qing Li, Minghao Huang, Peng Ling, Yalin Jia, Yakang Zhao, Jun Jiang, Shidi Tao, Wenhan Huang, Xubin Chen, Chang Xiao, Xuan Xie, Haonan Chen, Pengchao Qi, Dongyang Hu, Haixia Yang, Dejiang Hu, Yanhong Liu, Na Zhang, Yifeng Huang
  • Patent number: 11892327
    Abstract: A read-out circuit includes an operational amplifier configured to receive an input voltage through a positive input terminal; a feedback capacitor connected between an output terminal of the operational amplifier and a negative input terminal of the operational amplifier; a sensor charging and discharging circuit configured to charge or discharge a sensor during a first time; a switching circuit connecting the sensor and the operational amplifier during a second time after the sensor is charged or discharged; and a duty control circuit configured to determine a duty ratio of the first time and the second time according to a capacitance of the sensor.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: February 6, 2024
    Assignee: Seoul National University R&DB Foundation
    Inventors: Minsung Kim, Hyunjoong Lee, Suhwan Kim
  • Patent number: 11879918
    Abstract: An electronic device for calibrating a nip measuring device associated with nip rollers includes a sensor selection circuit configured to receive signals from a sensor array that includes a plurality of nip sensors that are configured to detect operational parameters of the nip rollers, a plurality of sensor channel lines electrically connected between respective ones of the plurality of nip sensors and the sensor selection circuit, a calibration array including one or more calibration resistors, and a calibration channel line electrically connected between the calibration array and the sensor selection circuit. A signal on a respective one of the plurality of sensor channel lines is configured to be sampled by a respective one of a plurality of gain resistances. A nip sensor resistance of a sensor is determined based on the sampled signal on the sensor channel lines and the gain resistances. Related methods and systems are also described.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: January 23, 2024
    Assignee: STOWE WOODWARD LICENSCO LLC
    Inventor: Wesley C. Van Pelt
  • Patent number: 11879924
    Abstract: A system and method are provided to determine at least one of equivalent isotropic radiated power (EIRP) or effective isotropic sensitivity (EIS) of an antenna under test (AUT) in a test chamber, the AUT including an antenna array with an array phase center that is offset from a center of a quiet zone of the test chamber. The method includes performing a local beam peak direction scan of an antenna pattern of the AUT using a probe antenna located at laterally offset positions at a near-field distance from the AUT to determine a beam peak direction; performing EIRP and/or EIS near-field measurements of the AUT in the determined beam peak direction using the probe antenna located at near-field distances from the AUT in a radial direction; deriving a far-field equivalent of the EIRP and/or EIS near-field measurement along the determined beam peak direction; and deriving the beam peak direction of the AUT.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: January 23, 2024
    Assignee: KEYSIGHT TECHNOLOGIES, INC.
    Inventors: Zhu Wen, Ya Jing, Li Cao, Thorsten Hertel