Patents Examined by James I Burris
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Patent number: 12038456Abstract: A test and measurement instrument includes one or more processors to execute code to cause the processors to: access a user instance of the test and measurement instrument; receive one or more requests from the user instance of the test and measurement instrument; determine any collisions between the one or more requests and any other requests for elements of the test and measurement instrument; resolve any collisions as necessary; perform one or more operations to fulfill the request; and display information resulting from the one or more operations on an instance user interface.Type: GrantFiled: October 29, 2021Date of Patent: July 16, 2024Assignee: Tektronix, Inc.Inventor: Josiah A. Bartlett
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Patent number: 12013427Abstract: High impedance fault (HIF) detection and location accuracy is provided. An HIF has random, irregular, and unsymmetrical characteristics, making such a fault difficult to detect in distribution grids via conventional relay measurements with relatively low resolution and accuracy. Embodiments disclosed herein provide a stochastic HIF monitoring and location scheme using high-resolution time-synchronized data in micro phasor measurement units (?-PMUs) for distribution network protection. In particular, a fault detection and location process is systematically designed based on feature selections, semi-supervised learning (SSL), and probabilistic learning.Type: GrantFiled: June 3, 2021Date of Patent: June 18, 2024Assignee: Arizona Board of Regents on behalf of Arizona State UniversityInventors: Qiushi Cui, Yang Weng
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Patent number: 12007322Abstract: A sensor for use in detecting corrosion under insulation (CUI) and a method for deploying the same that does not require removal of cladding and/or insulation. The sensor includes at least a first sensor element formed of a first metal and a second sensor element formed of a second metal, the first and second metals being different. One or a plurality of sleeve members formed of an electrically-insulating material, such as plastic, maintain the first and second sensor elements at a predetermined distance from each other and define at least one sensing region that extends between the first and second sensor elements. The first and second sensor elements are configured to electrically communicate based on a conductive solution being disposed in the at least one sensing region and causing a galvanic current to be induced therebetween.Type: GrantFiled: October 6, 2021Date of Patent: June 11, 2024Assignee: SOUTHWEST RESEARCH INSTITUTEInventors: Leonardo J. Caseres, James F. Dante, Sergey A. Vinogradov
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Patent number: 12007428Abstract: Embodiments of the present invention provide systems and methods for multidimensional parts average testing for testing devices and analyzing testing results to detect outliers according to embodiments of the present invention. The testing can include calculating multivariate (e.g., bivariate) statistics using delta measurements of like devices, a ratio of measurements, or principal component analysis that identifies eigenvectors and eigenvalues to define meta parameters, for example. Raw test result data can be converted to residual space and robust regression can be performed to prevent outlier results from influencing regression, thereby reducing overkill advantageously.Type: GrantFiled: October 8, 2021Date of Patent: June 11, 2024Assignee: ADVANTEST CORPORATIONInventors: Kenneth Butler, Ira Leventhal, Constantinos Xanthopoulos, Alan Hart, Brian Buras, Keith Schaub
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Patent number: 11979122Abstract: An isolation amplifier of an embodiment includes: a primary circuit including an encoder configured to encode an input signal and output the encoded input signal and an anomaly detection circuit configured to detect anomaly having occurred to the input signal and generate a detection signal; an isolation unit configured to insulate the primary circuit from a secondary circuit; an output circuit configured to generate an output signal corresponding to the input signal; and an anomaly-input sensing-output circuit configured to generate an output signal from the secondary circuit by changing the output signal from the output circuit based on the detection signal.Type: GrantFiled: September 7, 2021Date of Patent: May 7, 2024Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATIONInventors: Makoto Arai, Masaki Nishikawa, Shoji Ootaka, Tadashi Arai, Manabu Yamada, Shigeyasu Iwata, Takeshi Murasaki
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Patent number: 11953936Abstract: In one embodiment, an apparatus includes: an oscillator to output a clock signal on a first line; a switch coupled to the first line; and a voltage divider coupled to the switch. The switch may be controlled to output the clock signal through the voltage divider via the first line to a pin in a non-reset mode and prevent the clock signal from being provided to the pin in a reset mode.Type: GrantFiled: October 28, 2021Date of Patent: April 9, 2024Assignee: Silicon Laboratories Inc.Inventor: Eugenio Carey
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Patent number: 11953533Abstract: A capacitive sensor includes a first conductive structure; a second conductive structure that is counter to the first conductive structure, wherein the second conductive structure is movable relative to the first conductive structure in response to an external force acting thereon, wherein the second conductive structure is capacitively coupled to the first conductive structure to form a first capacitor having a first capacitance that changes with a change in a distance between the first conductive structure and second conductive structure; a signal generator configured to apply a first electrical signal step at an input or at an output of the first capacitor to induce a first voltage transient response at the output of first capacitor; and a diagnostic circuit configured to detect a fault in the capacitive sensor by measuring a first time constant of the first voltage transient response and detecting the fault based on the first time constant.Type: GrantFiled: June 15, 2021Date of Patent: April 9, 2024Assignee: Capital One Services, LLCInventors: Dan-Ioan-Dumitru Stoica, Cesare Buffa, Constantin Crisu, Mihai-Liviu Tudose, Bernhard Winkler
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Patent number: 11929744Abstract: An apparatus includes a moveable electrode which moves along an interstitial pathway defined by four fixed electrodes. The first and second fixed electrodes are separated by a first distance. The third and fourth fixed electrodes are separated by a second distance and adjacent to the first and second fixed electrodes, respectively. A capacitance sensing circuit coupled to the four fixed electrodes determines a first capacitance using the first and second fixed electrodes and a second capacitance using the third and fourth fixed electrodes. In some examples, the apparatus also comprises fifth and sixth fixed electrodes separated by a third distance and orthogonal to the first and second fixed electrodes and seventh and eighth fixed electrodes separated by a fourth distance and orthogonal to the third and fourth fixed electrodes. The fifth and seventh fixed electrodes are adjacent, and the sixth and eighth fixed electrodes are adjacent.Type: GrantFiled: February 6, 2020Date of Patent: March 12, 2024Assignee: Texas Instruments IncorporatedInventor: Peter Spevak
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Patent number: 11896378Abstract: Methods of performing diagnostic tests on electroencephalography (EEG) recording devices comprising at least one stimulator coupled with a plurality of EEG electrode recording channels and corresponding recording channel connectors are performed by a test fixture comprising a plurality of resistors coupled with one or more of the EEG electrode recording channels and corresponding recording channel connectors. The methods include performing an impedance test for determining if each EEG recording channel of the EEG recording device has a predefined impedance, performing a channel uniqueness test for each EEG recording channel, performing a test for verifying the state of a switch of the stimulator of the EEG recording device, and performing a test for verifying connector IDs of the recording channel connectors connecting the EEG electrodes to respective EEG recording channels.Type: GrantFiled: September 12, 2022Date of Patent: February 13, 2024Inventors: Ethan Rhodes, Richard A. Villarreal, John A. Cadwell, Rose Rehfeldt
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Patent number: 11892487Abstract: In one aspect the invention provides a sensing apparatus comprising a set of N capacitive sensors connected over a single physical channel provided by two terminals, the apparatus comprising: a sensing array having a first capacitive sensor and N?1 parallel capacitive sensors each connected in parallel with first capacitive sensor, each capacitive sensor having electrodes separated by a dielectric to provide a capacitance which is able to vary with deformation to provide sensing, the array having a set of N?1 resistances each being in series with a respective one of the N?1 parallel capacitive sensors; a solution module operable to determine the capacitance of each capacitive sensor by finding solutions for a vector function equating reactance measured at the two terminals to an analytical model for impedance and/or reactance of the circuit seen at the two terminals, wherein the analytical model comprises N capacitances, each connected in parallel with each other, and comprises N series resistances each conneType: GrantFiled: March 23, 2018Date of Patent: February 6, 2024Assignee: SENSOR HOLDINGS LIMITEDInventors: Iain Alexander Anderson, Andreas Tairych
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Patent number: 11874317Abstract: A ground fault directionality detection method, a ground fault directionality detection device and a computer-readable storage medium for a small current grounding system are disclosed. The ground fault directionality detection method comprises sampling at least a part of a current signal to obtain a numerical matrix; providing the numerical matrix as an input to a ground fault directionality detection neural network; calculating a label vector corresponding to the numerical matrix by the ground fault directionality detection neural network, wherein the label vector indicates whether the current signal is an upstream fault current signal or a downstream fault current signal; receiving a ground fault confirmation signal by the ground fault directionality detection neural network; and outputting the label vector by the ground fault directionality detection neural network when the ground fault confirmation signal indicates that the current signal is a ground fault current signal.Type: GrantFiled: August 9, 2021Date of Patent: January 16, 2024Assignee: Schneider Electric Industries SASInventors: Rui Ren, Rong Li
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Patent number: 11867727Abstract: A device includes a plurality of resistive voltage dividers connected operationally between a supply line and an electric grounding terminal so as to form separate respective connection paths to the electrical grounding terminal, and a processing assembly connected to the outputs of the voltage dividers and designed to generate signals or data indicating the voltage of the supply line. The processing assembly includes a plurality of separate processing modules each one coupled to a respective one of the connection paths and designed to generate respective signals or data indicating the voltage of the supply line.Type: GrantFiled: January 8, 2020Date of Patent: January 9, 2024Inventors: Denis Battistella, Alessandro Chianese, Valter Lovati
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Patent number: 11868110Abstract: Disclosed is a service operation method for managing energy data for each tenant. More particularly, the service operation method monitors energy consumption consumed in a specific space that a tenant manager desires to manage using an individualized energy management service user interface (UI) according to a service development/production environment set by a manager terminal and visualizes a status of use of energy for each specific space from a monitoring result.Type: GrantFiled: December 8, 2021Date of Patent: January 9, 2024Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jihyun Lee, Il Woo Lee
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Patent number: 11855697Abstract: A system senses analytes through one or more sensors that detect or measure a physical characteristic. The one or more sensor generate a spectroscopic-data signal corresponding to the detection. An edge device communicatively couples the one or more sensors that communicatively couples a wide-area network coupling a cloud service. The edge device includes a data acquisition device that receives spectroscopic data signals from the one or more sensor and a processor that processes the spectroscopic-data signals to identify an analyte. The edge device also includes a transceiver that transmits data identifying the analytes to the cloud service.Type: GrantFiled: July 21, 2021Date of Patent: December 26, 2023Assignee: UT-Battelle, LLCInventor: Ali Passian
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Patent number: 11852553Abstract: A method for remotely measuring pressure of a fluid in a container includes determining a spatial location of first and second resonant radiofrequency antenna elements located on a radiofrequency identification (RFID) tag located in the container. The first antenna element is positioned in a fixed position on the RFID tag and the second antenna element is positioned on a deformable element configured to be deformed in at least one dimension based on pressure from the fluid. The spatial location is determined from a radar image generated based on reflected radiofrequency beams from a scan area and re-radiated radiofrequency beams from the first and second antenna elements located within the scan area. A pressure value is determined for the fluid based on the spatial location of the first and second antenna elements. Systems and methods of remotely measuring pressure using passive RFID tags are also disclosed.Type: GrantFiled: October 14, 2020Date of Patent: December 26, 2023Inventor: Yuri P. Garbuzov
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Patent number: 11855442Abstract: A grounded neutral fault detector that includes induction circuits and a controller is provided. The controller is configured to determine a frequency of a test signal by measuring load noise based on a first leakage signal corresponding to a first current imbalance between the line conductor and the neutral conductor for the load without the test signal being injected, analyzing a frequency spectrum of the load noise, and selecting the frequency of the test signal. The controller is further configured to inject the test signal at the selected frequency to the neutral conductor, measure impedance of a current loop formed by a potential grounded neutral fault based on a second leakage signal corresponding to a second current imbalance with the test signal being injected, and determine a grounded neutral fault.Type: GrantFiled: September 16, 2021Date of Patent: December 26, 2023Assignee: ABB Schweiz AGInventors: John Paul Filipetti, Cecil Rivers, Jr., Lucas James McPhee
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Patent number: 11846665Abstract: Aspects of the present disclosure are directed to systems and methods for detecting Partial Discharge (PD) associated with wide bandgap semiconductor-based electrical drive systems in real time. In one aspect, signals, including noise associated with drive switching and other background noises are detected using a sensing device. The signals are received by a real-time spectrum analyzer. The spectrum analyzer transforms the signals into the frequency domain and determines or registers the frequency domain profiles of the signals. The spectrum analyzer performs signal discrimination between at least one other signal included within the signals and switching noise based on their frequency domain profiles. Based on the discrimination analysis, the presence of a partial discharge signal may be detected. A physics-based signal discrimination approach can also be used for signal discrimination, for example utilizing pressure-dependency of characteristics of a PD signal.Type: GrantFiled: August 26, 2021Date of Patent: December 19, 2023Assignee: General Electric CompanyInventors: Lili Zhang, Karim Younsi, Christopher Michael Calebrese, John Russell Yagielski, Han Xiong
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Patent number: 11840921Abstract: Methods for fabricating a sensor module for detecting carbon dioxide leakage from a subsurface reservoir are disclosed. The methods include attaching anodic aluminum oxide porous membrane onto a first conductive electrode to form an anodic aluminum oxide template; initiating growth of a plurality of TiO2 nanotubes inside the AAO template using an atomic layer deposition process; removing the anodic aluminum oxide template from the first metal electrode leaving the plurality of TiO2 nanotubes on the first conductive electrode; attaching a second conductive electrode to the plurality of TiO2 nanotubes; connecting the first and the second conductive electrodes with an electric line to form a sensor; providing a rollable sheet of non-conductive material; and attaching a plurality of sensors to the rollable sheet of non-conductive material forming the sensor module.Type: GrantFiled: March 2, 2021Date of Patent: December 12, 2023Assignee: Saudi Arabian Oil CompanyInventors: Dong Kyu Cha, Mohammed Badri AlOtaibi, Subhash Chandrabose Ayirala, Ali Abdallah Al-Yousef
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Patent number: 11841384Abstract: An inrush current detection method, an inrush current detection device and a computer-readable storage medium for a transformer are disclosed. The inrush current detection method includes sampling at least a part of a current signal of the transformer to obtain a numerical matrix; providing the numerical matrix as an input to an inrush current detection neural network; and calculating and outputting a label vector corresponding to the numerical matrix by the inrush current detection neural network, wherein the label vector indicates whether the current signal is an inrush current.Type: GrantFiled: August 9, 2021Date of Patent: December 12, 2023Assignee: Schneider Electric Industries SASInventors: Rui Ren, Yu Cao, Rong Li
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Patent number: 11835594Abstract: A short circuit detector is included in a power converter, the power converter being configured to supply power to a load via a first arm including a first semiconductor switch and a second arm including a second semiconductor switch. The short circuit detector includes a Rogowski coil; and a detection circuit configured to detect a short circuit in one of the first arm, the second arm and the load, based on a detection signal obtained from the Rogowski coil. The Rogowski coil is inserted into both: (i) first current path through which a first current flows in common with the first arm and the load, and (ii) a second current path through which a second current flows in common with the second arm and the load.Type: GrantFiled: December 29, 2021Date of Patent: December 5, 2023Assignee: FUJI ELECTRIC CO., LTD.Inventors: Kunio Matsubara, Ryoga Kiguchi