Patents Issued in April 30, 2024
  • Patent number: 11971420
    Abstract: A method of operating a laboratory sample distribution system is presented. The system comprises container carriers, a transport plane, and drive elements. The container carriers carry sample containers. The transport plane supports the container carriers. The drive elements move the container carriers on the transport plane. The method comprises planning a movement path for a container carrier from a start to a goal on the transport plane modelled by nodes. The nodes are free for one time-window or reserved for one-time window. The planning comprises analyzing the reachability out of a free time-window of one node to free time-windows of a next node and an over-next node such that planned movement of the container carrier is nonstop. The method comprises reserving the planned movement path comprising a sequence of time-windows of nodes and moving the container carrier along the reserved movement path on the transport plane by a drive element.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: April 30, 2024
    Assignee: ROCHE DIAGNOSTICS OPERATIONS, INC.
    Inventors: Yannic Hafner, Thomas Lienert, Florian Wenzler, Dominik Schnarwiler, Philipp Heinz, Bert Taeymans
  • Patent number: 11971421
    Abstract: A sample analysis system is available that can include a remote sampling system, at least one analyzer, and a controller. The remote sampling system can include a plurality of sample sources for providing a corresponding sample therefrom; and a plurality of sample collection devices selectively coupled to any of the plurality of sample sources for receiving at least one of the samples therefrom. The at least one analyzer can be coupled to the plurality of the sample collection devices for receiving at least one of the samples therefrom. The controller can be coupled with the remote sampling system and the at least one analyzer, the controller configured to control which of the sample sources is actively coupled to a given sample collection device at a given time.
    Type: Grant
    Filed: May 23, 2023
    Date of Patent: April 30, 2024
    Assignee: Elemental Scientific, Inc.
    Inventors: Tyler Yost, Jonathan Hein, Jae Seok Lee, Dong Cherl Park
  • Patent number: 11971422
    Abstract: The invention discloses a digital slide scanner sample identification device, and relates to the digital slide scanner for solving the problem that a bar code scanner can normally read a bar code label through the light contact, and the samples cannot be read due to the shielding of the bar code since the samples are stored in the digital slide scanner or scanning samples are stacked. The device comprises a digital slide scanner, and scanning samples; a near-field communication NFC read-write module is arranged in the digital slide scanner, and a NFC label is arranged on each scanning sample. By using the NFC technology, the NFC label data in a large amount of scanning samples can be read within short time, a feedback indication can be provided, and the working efficiency is greatly improved. The invention further discloses a digital slide scanner sample identification method.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: April 30, 2024
    Assignee: MOTIC CHINA GROUP CO., LTD.
    Inventors: Jun Kang, Jianping Jiang, Muwang Chen
  • Patent number: 11971423
    Abstract: An automatic analyzer is capable of transporting a sample at an optimum timing and a method of transporting the sample. An automatic analyzer includes an analysis unit which measures a sample, a transport unit which transports the sample to the analysis unit, and a control unit which controls the analysis unit and the transport unit. A sample is transported to the analysis unit by a time of starting an aspirating operation on the sample by allowing the analysis unit to perform a pre-measurement operation for each measuring method which needs to be performed before aspirating the sample even when the sample is still in the transport unit.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: April 30, 2024
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Naoto Suzuki, Masashi Akutsu, Akihiro Yasui
  • Patent number: 11971424
    Abstract: An automatic analyzer is provided which is easier to investigate when some troubles such as data abnormality occur in a sample analysis result as compared with an automatic analyzer according to the related art. The automatic analyzer includes: analysis units that perform analysis and quality control analysis for ensuring quality of the analysis; a storage medium that stores quality control results of the quality control analysis performed by the analysis units; a monitor that displays the quality control results; and a control PC that controls an operation of the analysis units (8, 9, and 16), executes, when an arbitrary result is selected from the quality control results stored in the storage medium, based on the selected quality control result, statistical calculation of the selected result and a quality control result performed in the past, and causes the monitor to display a statistical calculation screen as a statistical calculation result.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: April 30, 2024
    Assignees: HITACHI HIGH-TECH CORPORATION, ROCHE DIAGNOSTICS OPERATIONS, INC.
    Inventors: Yuichi Hirabayashi, Dai Inagi, Satoshi Yokotsuka, Youichi Aruga, Mohamed Abouelsoud
  • Patent number: 11971425
    Abstract: An automatic analysis device has a plurality of types of photometers having different quantitative ranges, and an analysis control unit for quantifying the desired component in specimens based on measurement values of one or more photometers selected from among the plurality of types of photometers. The analysis control unit: sets a switching region in an overlap region of respective quantitative ranges of the plurality of types of photometers, said switching region having a greater width than does the variation in quantitative values of the desired component based on the measurement values of photometers having the same specimen; compares the quantitative value of a quantitative range portion that corresponds to the switching region and the quantitative values of the desired component based on the measurement values of the photometers; and selects a photometer to be used in quantitative output of the desired component from among the plurality of types of photometers.
    Type: Grant
    Filed: April 28, 2023
    Date of Patent: April 30, 2024
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Yuto Kazama, Masahiko Iijima, Sakuichiro Adachi
  • Patent number: 11971426
    Abstract: An automatic analysis device that avoids carryover and prevents deterioration of analysis performance without controlling reaction cell position is provided with: a reaction cell in which a sample and a reagent are mixed and allowed to react; a light source that radiates light onto the mixed liquid of the sample and the reagent; a detector that detects the light radiated from the light source; and a cleaning mechanism that cleans the reaction cell. The cleaning mechanism includes an intake nozzle that draws in liquid from the reaction cell and a discharge nozzle that discharges the liquid into the reaction cell; the intake nozzle and the discharge nozzle can move vertically; and the intake nozzle is cleaned by lowering the intake nozzle into the reaction cell, in which a cleaning liquid or cleaning water have been accumulated, without drawing in the cleaning liquid or the cleaning water.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: April 30, 2024
    Assignee: Hitachi High-Tech Corporation
    Inventors: Rei Konishi, Nobuhiko Sasaki, Masahiko Iijima
  • Patent number: 11971427
    Abstract: Provided is an automated analysis device capable of a more accurate determination of the sizes of bubbles included in a liquid. The automated analysis device includes a detection unit which detects bubbles included in a liquid, an internal standard solution syringe which executes a first liquid supply operation in which a liquid is supplied via the detection unit, a diluent syringe, a sipper syringe, solenoid valves, and a control device which determines whether the size of the bubbles detected during the first liquid supply operation is normal or not based on the operation speed of the liquid supply unit, and controls the operation of the liquid supply unit according to the determination.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: April 30, 2024
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Akinao Fujita, Takushi Miyakawa, Tetsuji Kawahara
  • Patent number: 11971428
    Abstract: An accelerometer arrangement and method are described for determining accelerations of an inground tool. First and second triaxial accelerometers are supported such that a normal sensing axis of the first triaxial accelerometer is at least generally orthogonal to the normal sensing axis of the second triaxial accelerometer for determining the accelerations along the three orthogonal axes based on a combination of sensing axis outputs from one or both of the triaxial accelerometers. A weaker sensing axis of one triaxial accelerometer can be supported at least approximately normal to a weaker sensing axis of another triaxial accelerometer such that the weaker axes are not used. The triaxial accelerometers can be supported such that one axis of one accelerometer can be redundant with respect to another axis of another accelerometer. One triaxial accelerometer can be mounted on a tilted plane with respect to another triaxial accelerometer.
    Type: Grant
    Filed: June 6, 2023
    Date of Patent: April 30, 2024
    Assignee: Merlin Technology, Inc.
    Inventors: Albert W. Chau, John E. Mercer, Scott Phillips
  • Patent number: 11971429
    Abstract: A posture estimation method includes calculating a posture change amount of an object based on an output of an angular velocity sensor, predicting posture information of the object by using the posture change amount, limiting a bias error in a manner of limiting a bias error component of an angular velocity around a reference vector in error information, and correcting the predicted posture information of the object based on the error information, the reference vector, and an output of a reference observation sensor.
    Type: Grant
    Filed: March 30, 2023
    Date of Patent: April 30, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Yasushi Nakaoka
  • Patent number: 11971430
    Abstract: An engaging device in a Mass-Interconnect, which provides an apparatus and method to change test adapters for testing applications. An engaging device of a Mass-Interconnect includes an interchangeable test adapter (ITA) and a locking mechanism. The locking mechanism includes a plunger having a plunger head at a first end thereof, a leaflet insert disposed over the plunger, a sleeve disposed over the leaflet insert, an over-dead-center (ODC) link connected to the plunger at a second end thereof opposite to the first end, and a rotatable handle connected to the ODC link. The plunger, the leaflet insert, and the sleeve of the locking mechanism engage or disengage the ITA when a user rotates the rotatable handle.
    Type: Grant
    Filed: May 5, 2023
    Date of Patent: April 30, 2024
    Inventors: Jeffery P. Stowers, Benjamin T. Ailinger
  • Patent number: 11971431
    Abstract: An optical probe includes a first region and a second region connected to have a continuous optical waveguide in which a transmission mode is a single mode. The first region connected to a tip-end surface opposed to an optical device includes a region in which a mode field diameter that is maximum at the tip-end surface is gradually decreased toward a boundary between the first region and the second region. The tip-end surface is a curved surface and has a radius of curvature set so that an advancing direction of an optical signal entering through the tip-end surface approximates in parallel to a central-axis direction of the optical waveguide.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: April 30, 2024
    Assignee: Kabushiki Kaisha Nihon Micronics
    Inventors: Michitaka Okuta, Yuki Saito, Jukiya Fukushi, Shou Harako
  • Patent number: 11971432
    Abstract: A current sensor is configured such that at least one magnetoelectric conversion element, a conductor, a signal processing IC, an IC supporting portion, and an element supporting portion are encapsulated with an encapsulating portion. The current sensor is comprised of a pair of first lead terminals that is partially exposed outside the encapsulating portion, is electrically connected to the conductor, inputs a measurement current to the conductor, and outputs the measurement current from the conductor; and a metal member that is partially exposed outside the encapsulating portion and is spaced apart from the conductor. The element supporting portion further supports the metal member on a surface on the same side as a first surface on which the IC supporting portion supports the signal processing IC.
    Type: Grant
    Filed: August 14, 2023
    Date of Patent: April 30, 2024
    Assignee: Asahi Kasei Microdevices Corporation
    Inventor: Masaki Tsujimoto
  • Patent number: 11971433
    Abstract: A current measuring device for switched-mode electronic power converters includes two independent sensors connected in series for the current to be measured, one of said sensors providing an admittance and the other providing a conductance. The current measuring device further includes a parallel current measuring resistor and an average value capacitor which are connected in parallel contribute to the provided admittance. The conductance is provided by a serial current measuring resistor as one of the sensors. The current to be measured has both DC and AC current components. The current measuring device further includes a filter is transferred back into the power path or merged with the current measuring sensors.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: April 30, 2024
    Assignee: Inventronics GmbH
    Inventor: Joachim Muehlschlegel
  • Patent number: 11971434
    Abstract: A voltage source device, including a first voltage source configured to output a first voltage, source pathways to connect the first voltage source to a device under test, sensing pathways electrically coupled to the device under test; and circuitry configured to sample a second voltage at the device under test, determine a voltage difference between the first voltage and the second voltage, and adjust the first voltage based on the difference between the first voltage and the second voltage.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: April 30, 2024
    Assignee: Keithley Instruments, LLC
    Inventor: William C. Weeman
  • Patent number: 11971435
    Abstract: The present disclosure relates to a system for automatically identifying product information, including a lamp information collection module, a controller, and a user terminal. The controller has a built-in comparison table setting different power information intervals for different lamp categories, and sends to-be-collected power information to the lamp information collection module. The lamp information collection module is used to collect corresponding power information according to the received to-be-collected power information and send the collected power information to the controller. The controller is further used to determine a category of a lamp according to the collected power information corresponding to the lamp and the power information interval comparison table, and send information of the lamp to the user terminal. The user terminal includes a human-machine interface and is used to display the information of the lamp on the human-machine interface.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: April 30, 2024
    Assignee: OPPLE LIGHTING CO., LTD.
    Inventors: Guoping Zhang, Jian Zhu, Wen Yang, Jiachun Cun
  • Patent number: 11971436
    Abstract: A method and a system for determining a phase shift between a phase current and a phase voltage in an AC phase line of a converter. A method and a system for determining a phase shift between a phase current and a phase voltage in an AC phase line of a converter, in particular a converter of a system for inductive power transfer, wherein a phase current change dependent quantity is determined, wherein a voltage-specific reference time point is determined depending on the phase current change dependent quantity, wherein the phase current is determined, wherein a current-specific reference time point is determined depending on the phase current, wherein the phase shift is determined depending on the time difference between the voltage-specific reference time point and the current-specific reference time point.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: April 30, 2024
    Assignee: Bombardier Primove GmbH
    Inventors: Andreas Büming, Christian Salewski, Thomas Nikles, Andreas Kappmeier, Robert Czainski
  • Patent number: 11971437
    Abstract: A grid voltage phase detector includes: a d-q transformation unit for receiving a three-phase signal and producing a signal on d axis and a signal on q axis; a phase signal producing unit for producing a signal for phase synchronization of grid voltage from the signal on d axis and the signal on q axis; and a PR filtering unit, with a first filter having no change in magnitude and phase at a rated frequency, a second filter introducing 90° phase lead at a rated frequency, a third filter introducing 90° phase lag, and a fourth filter having no change in magnitude and phase at a rated frequency, for removing unbalanced components and harmonic components from the signal on d axis and the signal on q axis produced by the d-q transformation unit and providing the signals to the phase signal producing unit.
    Type: Grant
    Filed: May 25, 2020
    Date of Patent: April 30, 2024
    Assignee: HYOSUNG HEAVY INDUSTRIES CORPORATION
    Inventors: Hyun Jun Kim, Hae Won Seo, Byung Hwan Jeong
  • Patent number: 11971438
    Abstract: Described herein is a lightning detection sensor. The lightning detection sensor comprises a sensing element that detects radio-frequency (RF) signals relating to lightning activity, a circuit that receives the detected RF signals from the sensing element and amplifies the RF signals for output to a digital signal processing device, and a reference element coupled to the circuit. The reference element is connected to an antenna ground that is isolated from a power ground, and the reference element and the antenna ground are not connected to an external ground plane.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: April 30, 2024
    Assignee: Earth Networks, Inc.
    Inventors: Michael Stock, Jeff Lapierre, Richard Sonnenfeld, Curtis Generous
  • Patent number: 11971439
    Abstract: A fault detection device executes a test signal supply process for changing a frequency of a carrier wave within a frequency range predetermined as a range of a resonance frequency of an antenna, modulating the carrier wave with a test signal as an input signal, amplifying the carrier wave that is modulated, and supplying the carrier wave that is amplified as an output target signal to the antenna. While executing the test signal supply process, the fault detection device measures an antenna current corresponding to the frequency each time the frequency of the carrier wave is changed The fault detection device detects a fault caused by a difference or a change in a characteristic of the antenna by using a value of the antenna current on a larger side among the antenna currents measured during the test signal supply process.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: April 30, 2024
    Assignee: DENSO CORPORATION
    Inventor: Bunsei Murakami
  • Patent number: 11971440
    Abstract: A method for identifying one or more faulted conductors in a power transmission system having at least two power-transmitting conductors and a method for determining fault location each include steps of monitoring current signals which are representative of currents in the conductors at a generally common location within the power transmission system; filtering the current signals; determining a maximum rate of change of each filtered current signal within a predetermined time interval after the fault event has commenced; and calculating a ratio of a pair of the maximum rates of change of the filtered current signals. For fault classification, the ratio is compared against a discrimination factor to identify the one or more faulted conductors. For fault location, the calculated ratio is compared against the calibration data to determine the distance from the connection terminal of the faulted conductor to the fault location.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: April 30, 2024
    Assignee: University of Manitoba
    Inventors: Athula Dayanarth Rajapakse, Naushath Mohamed Haleem, Jagannath Sri Wijekoon
  • Patent number: 11971441
    Abstract: Various embodiments may provide systems and methods for determining a distance to a short in a two-conductor wire. Various embodiments may include determining a distance to a short in a two-conductor wire based at least in part on a phase difference between a phase of an injected tone and a phase of a reflected tone. Various embodiments may include determining a distance to a short in a two-conductor wire based at least in part on both a phase difference and an amplitude difference between an injected tone and a reflected tone. Various embodiments may include determining a distance to a short in a two-conductor wire based at least in part on a measured peak voltage of a combined pulse.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: April 30, 2024
    Assignee: QUALCOMM Incorporated
    Inventors: Paul Dominic Hiscock, Murray Jarvis, Nicolas Graube, Mafalda Pereira Varela, Thomas Allan
  • Patent number: 11971442
    Abstract: A gas monitoring system includes a gas-insulated switchgear, wherein the gas-insulated switch gear has at least two separated chambers which are filled with an insulating gas surrounding high or medium voltage components. A first sensor is connected to the first chamber and a second sensor is connected to the second chamber, both sensors adapted to measure a physical property of the insulating gas in their respective chambers over time. A computer unit is adapted to calculate from the two sensor measurements a leakage rate of the insulating gas in one of the two chambers using an adaptive filter, in particular a Wiener filter.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: April 30, 2024
    Assignee: Siemens Energy Global GmbH & Co. KG
    Inventor: Graeme Coapes
  • Patent number: 11971443
    Abstract: An electric vehicle charging system is provided. In some embodiments, the electric vehicle charging system can comprise an electric vehicle comprising a direct current to direct current (DC-DC) booster that boosts a first voltage to a second voltage of a battery of the electric vehicle, and a first insulation monitoring device (IMD) comprising an active symmetrization circuit. In various embodiments, the electric vehicle charging system can further comprise an electric vehicle supply equipment comprising a second IMD and an output voltage comprising the first voltage, wherein the first IMD is communicatively coupled to the second IMD, and wherein the first IMD adjusts a third voltage on a negative side of insulation resistance of the electric vehicle to a fourth voltage on a negative side of insulation resistance of the electric vehicle supply equipment.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: April 30, 2024
    Assignee: VOLVO CAR CORPORATION
    Inventors: Ustun Saglam, Narendar Rao Gannamaneni
  • Patent number: 11971444
    Abstract: Micro light emitting diode inspection and repairing equipment including a carrying stage, an optical inspection module and an injection device is provided. The optical inspection module is arranged corresponding to the carrying stage to capture image information and obtain a position coordinate from the image information. The injection device is adapted to move to a target position of the carrying stage according to the position coordinate. The injection device includes a tube and a nozzle. The tube includes a first portion and a second portion connected to the first portion. The extending direction of the first portion is different from the extending direction of the second portion. A fluid blows to the target position after passing through the tube and the nozzle. An inspection and repairing method adopting the micro light emitting diode inspection and repairing equipment is also provided.
    Type: Grant
    Filed: April 17, 2023
    Date of Patent: April 30, 2024
    Assignee: PlayNitride Display Co., Ltd.
    Inventor: Cheng-Cian Lin
  • Patent number: 11971445
    Abstract: The disclosure relates to an integrated circuit and associated method and packaged integrated circuit. The integrated circuit comprises a first pad; a second pad; an active element having a node that is capacitively coupled to the first and second pads; a voltage or current source connected to the first pad; and a detection module connected to the second pad and configured to determine an electrical continuity between the second pad and the first pad.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: April 30, 2024
    Assignee: NXP B.V.
    Inventor: Anton Salfelner
  • Patent number: 11971446
    Abstract: The invention discloses an interface system for an interconnected die and an MPU and a communication method thereof. The system comprises a data interface, an interrupt interface, and a debugging interface; the data interface comprises an SPI interface, a DDR data interface, and a DMA control interface; the interrupt interface is used for receiving an interrupt data packet from the network and parsing the interrupt data packet to obtain a pulse interrupt input required by the MPU; the debugging interface comprises a JTAG-Core debugging interface, which is used for receiving a debugging data packet from the network and translating the debugging data packet into a JTAG protocol for MPU debugging. The invention realizes the expansion of the master device MPU in the high-performance information processing microsystem and the high-speed communication between the master device and the interconnected dies.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: April 30, 2024
    Inventors: Jinghe Wei, Letian Huang, Zhiqiang Xiao, Mingang Feng, Taojie Ding, Lihua Zheng
  • Patent number: 11971447
    Abstract: A self-test mechanism within an integrated circuit to automatically interleave evaluation of a clock signal by a clock monitor unit with periodic testing for faulty operation of a clock monitor unit implemented within the integrated circuit for monitoring a clock signal. The mechanism injects faults into the clock monitor unit to evaluate if the clock monitor unit is operating in accordance with its specified operating parameters. The injected faults are intended to cause the clock monitor unit to determine that the clock signal is operating outside of a specified frequency range. If the injected faults do not cause the clock monitor unit to determine that the clock signal is operating both above and below the specified frequency range, then the clock monitor unit is not functioning according to specified operating parameters.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: April 30, 2024
    Assignee: NXP USA, Inc.
    Inventors: Praveen Durga, Parul Bansal, Ritu Prasad
  • Patent number: 11971448
    Abstract: A scan chain architecture with lowered power consumption comprises a multiplexer selecting between a functional input and a test input. The output of the multiplexer is coupled to a low threshold voltage latch and, in test mode, to a standard threshold voltage latch. The low threshold voltage latch and standard threshold voltage latch are configured to store data when a clock input falls, using a master latch functional clock M_F_CLK, master latch test clock M_T_CLK, slave latch functional clock S_F_CLK, and slave latch test clock S_T_CLK. The slave latch has lower power consumption than the master latch.
    Type: Grant
    Filed: May 9, 2023
    Date of Patent: April 30, 2024
    Assignee: Ceremorphic, Inc.
    Inventors: Robert F. Wiser, Shakti Singh, Neelam Surana
  • Patent number: 11971449
    Abstract: A probe head comprises a plate-shaped support including respective pluralities of guide holes, a plurality of contact probes being slidingly housed in the respective pluralities of guide holes and including at least a first group of contact probes being apt to carry only one type of signal chosen between ground and power supply signals, a conductive portion realized on the support and including a plurality of the guide holes housing the contact probes of the first group, and at least one filtering capacitor having at least one capacitor plate being electrically connected to the conductive portion, the conductive portion electrically connecting the contact probes of the first group.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: April 30, 2024
    Assignee: TECHNOPROBE S.P.A.
    Inventor: Flavio Maggioni
  • Patent number: 11971450
    Abstract: The present disclosure provides an electronic tester comprising at least one test fixture that couples to a device under test, at least one test instrument coupled to at least one of the test fixtures that measures signals in the device under test, a test controller that controls the device under test while the test is performed, and an adapter module comprising a general control interface that is coupled to the test controller, and a DUT-specific communication interface that couples to the device under test to communicate with the device under test, wherein the test controller controls the device under test with generic control signals sent to the general control interface, and wherein the adapter module translates the general control signals into DUT-specific control signals and transmit the DUT-specific control signals to the device under test. Further, the present disclosure provides a respective method.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: April 30, 2024
    Assignee: ROHDE & SCHWARZ GMBH & CO. KG
    Inventors: Yi Jin, KokMeng Wong
  • Patent number: 11971451
    Abstract: A method includes: constructing an on-wafer calibration piece model set that includes one or more on-wafer calibration piece models, where each of the one or more on-wafer calibration piece models has a corresponding on-wafer calibration piece; selecting an on-wafer calibration piece model from the on-wafer calibration piece model set; measuring the on-wafer calibration piece utilizing an on-wafer S parameter measurement system that is calibrated using a multi-thread TRL calibration method in a Terahertz frequency band, to obtain an S parameter of the on-wafer calibration piece; and calculating a plurality of different parameters that represent crosstalk of calibration pieces in the on-wafer calibration piece model, according to an admittance calculated according to the S parameter and an admittance formula corresponding to the on-wafer calibration piece model.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: April 30, 2024
    Assignee: The 13th Research Institute of China Electronics Technology Group Corporation
    Inventors: Aihua Wu, Yibang Wang, Faguo Liang, Chen Liu, Ye Huo, Peng Luan, Jing Sun, Yanli Li
  • Patent number: 11971452
    Abstract: A device and a method for nondestructively detecting a transient characteristic of a conductive screw of a turbo-generator rotor are provided. The device includes a personal computer (PC), an extremely-steep pulse generator, an ultra-high-frequency double-isolation transformer, and a pulse emitting and coupling module, which are connected in sequence. The pulse emitting and coupling module is connected to a load. A synchronous pulse receiving non-inductive divider circuit synchronously receives a characteristic waveform from the load, and the synchronous pulse receiving non-inductive divider circuit is connected to an ultra-high-speed analog/digital (A/D) module through a nonlinear saturation amplifying circuit that amplifies a signal. The PC receives a signal from the ultra-high-speed A/D module. The load includes a positive or negative excitation lead loop that is in a 180° symmetrical and instantaneous short-circuit state and a rotor shaft.
    Type: Grant
    Filed: April 25, 2021
    Date of Patent: April 30, 2024
    Assignee: HANGZHOU HENUOVA TECHNOLOGY CO., LTD.
    Inventors: Yuewu Zhang, Jianxi Liu, Yanxing Bao, Weihua Zha, Qianyi Zhang, Dongbing Liu, Weixing Yang, Xu Han, Miaoye Li, Zirui Wang, Junliang Liu, Jie Luo, Weitao Shen, Yu Fu, Han Gao
  • Patent number: 11971453
    Abstract: A battery state detection device including a battery post terminal, a case accommodating a circuit board including a current sensing circuit that senses a current by being electrically connected to the battery post terminal, and a harness connection part provided on the case, the harness connection part being capable of having a harness connected thereto, in which the battery post terminal includes a holding part held on one of faces of the case, and an insert part provided in a region from the holding part along a face adjacent to the one of the faces of the case, the battery post terminal contacts the case via at least two faces, the two faces including the one of the faces and the face adjacent to the one of the faces, and the case includes a fitting part, the fitting part being adapted to fit around the insert part by accommodating the insert part.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: April 30, 2024
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Jun Iwasaki, Ryosuke Takahashi, Kazuya Kato, Keita Saji, Ryusuke Kakoi
  • Patent number: 11971454
    Abstract: A system and method for determining whether a battery is operating in an anomalous condition can include or be configured to measure sensor data, estimate a local property of the battery using on the sensor data, and classify whether the battery is operating in the anomalous condition based on the local property.
    Type: Grant
    Filed: December 9, 2022
    Date of Patent: April 30, 2024
    Assignee: Zitara Technologies, Inc.
    Inventors: Evan Murphy, Patrick Herring, Daniel Vickery, Elizabeth Goldberg, Jacqueline Maslyn, Matthew Bohan, Shyam Srinivasan, Dustin Summy, Zachary Gima, Brian Goodall, Mark Tobenkin
  • Patent number: 11971455
    Abstract: A mixed chemistry battery is provided. The mixed chemistry battery includes a reference module having a first chemistry and a battery module having a second chemistry that is different that the first chemistry, the battery module is connected to the reference module in series. The mixed chemistry battery also includes a battery monitoring system configured to monitor an open circuit voltage of the reference module, an open circuit voltage of the battery module, and a current flow through the reference module and the battery module. The battery monitoring system is further configured to calculate a state-of-charge (SOC) and state-of-health (SOH) of the battery module based at least in part on a SOC of the reference module.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: April 30, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Chengwu Duan, Jian Yao, Dewen Kong, Jingyuan Liu
  • Patent number: 11971456
    Abstract: Impedance testing devices, circuits, systems, and related methods are disclosed. A method may include exciting a device coupled to a load, and capturing a response of the device. The method may further include adjusting the response based on an estimated load response of the device, and estimating an impedance of the device based on the adjusted response.
    Type: Grant
    Filed: April 7, 2021
    Date of Patent: April 30, 2024
    Assignee: Battelle Energy Alliance, LLC
    Inventors: Jon P. Christophersen, John L. Morrison, William H. Morrison
  • Patent number: 11971457
    Abstract: The present invention relates to a method for measuring the AC impedance of a battery in a composite power supply power system, comprising the following steps: determining the AC disturbance signal amplitude, operating the DC/DC voltage converter to generate the AC disturbance signal, collecting the output signals of the fuel cell and the lithium battery, calculating the output power of the fuel cell and the lithium battery; calculating the demand power of the load, and when the demand power is stable, calculating the impedance of the lithium battery and the fuel cell separately, otherwise, only the impedance of the fuel cell is calculated.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: April 30, 2024
    Assignee: TONGJI UNIVERSITY
    Inventors: Tiancai Ma, Yanbo Yang, Kaihang Song, Weikang Lin, Naiyuan Yao
  • Patent number: 11971458
    Abstract: In first coupling capacitor, a first terminal is connected to a first connection point on a current path of power storage in a state of being insulated from a ground. Second coupling capacitor has a second terminal connected to a second connection point that is on a current path of power storage and is lower in potential than the first connection point, and second coupling capacitor has a first terminal connected to a second terminal of first coupling capacitor. AC output unit applies a predetermined AC voltage via impedance element to third connection point between the second terminal of first coupling capacitor and the first terminal of second coupling capacitor. Voltage measurement unit measures a voltage at third connection point. Determination unit determines the presence or absence of an electrical fault on the basis of the voltage measured by voltage measurement unit.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: April 30, 2024
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Masato Nakayama, Tomonori Kunimitsu
  • Patent number: 11971459
    Abstract: A sensor system may include a first magnet arranged such that a position of the first magnet corresponds to a position of a trigger element on a linear trajectory. The sensor system may include a second magnet arranged such that a position of the second magnet corresponds to a selected position of a selection element. The sensor system may include a magnetic sensor to detect a strength of a first magnetic field component, a strength of a second magnetic field component, and a strength of a third magnetic field component. The magnetic sensor may be further to determine the position of the trigger element based on the strength of the first magnetic field component and the strength of the second magnetic field component, and to determine the selected position of the selection element based on the strength of the third magnetic field component.
    Type: Grant
    Filed: August 17, 2022
    Date of Patent: April 30, 2024
    Assignee: Infineon Technologies AG
    Inventors: Sebastian Ladurner, Richard Heinz
  • Patent number: 11971461
    Abstract: A magnetic sensor includes an insulating layer including a protruding surface, a first MR element, and a second MR element. The protruding surface includes a first curved surface portion. The first curved surface portion includes a first portion including an upper end portion of the protruding surface, and a second portion continuous with the first portion at a position away from the upper end portion of the protruding surface. When the shape of the protruding surface is regarded as a function Z, the mean value of the absolute value of a second derivative Z? of the function Z corresponding to the first portion is smaller than the mean value of the absolute value of the second derivative Z? of the function Z corresponding to the second portion.
    Type: Grant
    Filed: September 15, 2022
    Date of Patent: April 30, 2024
    Assignee: TDK CORPORATION
    Inventors: Hiromichi Umehara, Kenzo Makino, Masachika Hashino
  • Patent number: 11971462
    Abstract: Various means for improvement in signal-to-noise ratio (SNR) for a magnetic field sensor are disclosed for low power and high resolution magnetic sensing. The improvements may be done by reducing parasitic effects, increasing sense element packing density, interleaving a Z-axis layout to reduce a subtractive effect, and optimizing an alignment between a Z-axis sense element and a flux guide, etc.
    Type: Grant
    Filed: April 11, 2023
    Date of Patent: April 30, 2024
    Assignee: Everspin Technologies, Inc
    Inventors: Phillip G. Mather, Anuraag Mohan
  • Patent number: 11971463
    Abstract: Disclosed is a MTJ sensing circuit for measuring an external magnetic field and including a plurality of MTJ sensor elements connected in a bridge configuration, the MTJ sensing circuit having an input for inputting a bias voltage and generating an output voltage proportional to the external magnetic field multiplied by the bias voltage and a gain sensitivity of the MTJ sensing circuit, wherein the gain sensitivity and the output voltage vary with temperature; the MTJ sensing circuit further including a temperature compensation circuit configured to provide a modulated bias voltage that varies as a function of temperature over a temperature range, such that the output voltage is substantially constant as a function of temperature. Also disclosed is a method for compensating the output voltage for temperature.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: April 30, 2024
    Assignee: Allegro MicroSystems, LLC
    Inventors: Anuraag Mohan, Robert Zucker
  • Patent number: 11971464
    Abstract: Magnon excitation and detection systems, apparatus, and methods are provided. The systems and apparatus may include magnon exciters and magnon detectors. The systems and apparatus are used in accordance with methods for exciting and detecting magnons.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: April 30, 2024
    Assignee: The United States of America, represented by the Secretary of the Navy
    Inventors: Chidubem A. Nwokoye, JinHyeong Yoo, Nicholas J. Jones
  • Patent number: 11971465
    Abstract: An apparatus for providing a B0 magnetic field for a magnetic resonance imaging system. The apparatus includes at least one permanent B0 magnet to contribute a magnetic field to the Bo magnetic field for the MRI system and a ferromagnetic frame configured to capture and direct at least some of the magnetic field generated by the B0 magnet. The ferromagnetic frame includes a first post having a first end and a second end, a first multi-pronged member coupled to the first end, and a second multi-pronged member coupled to the second end, wherein the first and second multi-pronged members support the at least one permanent B0 magnet.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: April 30, 2024
    Assignee: Hyperfine Operations, Inc.
    Inventors: Cedric Hugon, Hadrien A. Dyvorne, Michael Stephen Poole
  • Patent number: 11971466
    Abstract: A method for separately acquiring and outputting diagnostic nuclear magnetic resonance images based on water and fat derived signals, which method provides that the separation of the signal components corresponding to the intensity of the resulting pixels or voxels derived from the water of tissues in the body under examination from those signal components derived from the fat tissues in said body under examination of the step is performed by means of a machine learning algorithm, or with automatic learning and which algorithms are configured to classify the signal component as derived from water or fat tissues in the body under examination.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: April 30, 2024
    Assignee: ESAOTE S.P.A.
    Inventors: Rosario Varriale, Luca Balbi, Annamaria Carbone
  • Patent number: 11971467
    Abstract: A method for free-breathing abdominal magnetic resonance fingerprinting (MRF) includes applying a pilot tone (PT) RF signal in an MRI system environment using a PT RF signal source, acquiring MRF data from a region of interest in subject using free-breathing MRF pulse sequence and acquiring PT navigator signals based on the applied PT RF signal. The PT navigator signals are associated with a plurality of respiratory states and are encoded with acquired MRF data. The method further includes generating images for each of the plurality of respiratory states based on MRF data and the PT navigator signals. For each respiratory state, the generated images for the respiratory state are compared to a respiratory state MRF dictionary associated with the respiratory state to determine tissue property of the MRF data associated with the respiratory state. A quantitative parameter map may be generated for the determined tissue properties for each respiratory state.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: April 30, 2024
    Assignee: Case Western Reserve University
    Inventors: Sherry Huang, Mark Griswold
  • Patent number: 11971468
    Abstract: A method for detecting a target object implemented by a detection apparatus, where the detection apparatus transmits a radio signal on a frequency band on which mutual interference can be avoided to avoid or reduce interference caused by a transmit signal or a related signal of any detection apparatus when another detection apparatus determines a target. The detection apparatus divides a frequency band or a frequency domain raster based on a determined threshold to allow partial overlapping between frequency bands or rasters.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: April 30, 2024
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Sida Song, Sha Ma, Lutao Gao
  • Patent number: 11971469
    Abstract: A contactless switch device including a reflected signal acquisition unit that acquires a reflected signal of a Doppler radar or a distance measurement radar, an approach and recede detection unit that detects an approach and a recede of a target based on the reflected signal, a target identification unit that identifies the target as a hand waving left and right, up and down, or back and forth, or a thing other than the hand based on a repeated pattern of the approach and the recede of the target, and a switch control unit that executes on-and-off controls on a switch-controlled object based on whether the target is the hand waving left and right, up and down, or back and forth, or the thing other than the hand.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: April 30, 2024
    Assignee: NEW JAPAN RADIO CO., LTD.
    Inventors: Kazuo Oikawa, Satoshi Sasaki
  • Patent number: 11971470
    Abstract: A non-transitory computer-readable medium stores instructions executable by a processor to process data from a radar circuit having multiple antennas.
    Type: Grant
    Filed: May 24, 2023
    Date of Patent: April 30, 2024
    Assignee: Texas Instruments Incorporated
    Inventor: Jasbir Singh