50th week of 2021 patent applcation highlights part 34 |
Patent application number | Title | Published |
20210389313 | MAGNETIC PARTICLE-BASED IMMUNOASSAY AND METHODS OF USING THE SAME - The invention describes, in part, improved methods, assays, and kits for detecting analytes in biological samples with magnetic particles. | 2021-12-16 |
20210389314 | METHOD FOR ISOLATING EXOSOME AND EXOSOME ISOLATION KIT - The present invention provides a method for simply isolating exosomes from a sample containing exosomes. The present invention includes a complex forming step of forming a complex by binding an exosome in a sample to a particular peptide that contains lysines and is supported on a carrier and a dissociating step of dissociating the exosome from the complex by bringing the complex into contact with a dissociation buffer containing metal cations. | 2021-12-16 |
20210389315 | POINT OF CARE DEVICE FOR EARLY AND RAPID DISEASE DIAGNOSIS - Early stage, rapid, low-cost, and accurate detection of disease components in a biological fluid is critically important. A point of care device can use functionalized magnetic beads to facilitate this detection. The device can include a sample holder with a collection region. A magnet can be used to draw the functionalized nanoparticles bound to the disease component into the collection region, where the disease component is captured. A light source can shine a light beam through the collection region; and a detector can detect the light beam after traversing the collection region to determine whether the disease component is present in the sample. | 2021-12-16 |
20210389316 | SYSTEM AND APPARATUS FOR POINT-OF-CARE DIAGNOSTICS - A system comprised of an apparatus and a test device is described. The test device and the apparatus are designed to interact to determine the presence or absence of an analyte of interest in a sample placed on the test device. | 2021-12-16 |
20210389317 | APPARATUS FOR PRECONCENTRATING AND TRANSFERRING ANALYTES FROM SURFACES AND MEASUREMENT THEREOF USING SPECTROSCOPY - An apparatus for capturing a target analyte in advance of performing spectroscopic analysis to determine the existence of the target analyte from a source contacted with a collection substrate. The collection substrate is fabricated of a material selected to have an affinity for the target analyte, sufficiently transparent in a spectral region of interest and capable of immobilizing the target analyte thereon in a manner that limits scattering sufficient to obscure spectral analysis. The collection substrate may be coated with a material selected to react with, bind to, or absorb the target analyte. The target analyte may be captured to the collection substrate by one or more of wiping, dabbing or swabbing a target analyte carrier with the collection substrate. | 2021-12-16 |
20210389318 | LATERAL FLOW ASSAYS FOR DIFFERENTIAL ISOTYPE DETECTION - Disclosed are lateral flow assay methods, lateral flow assay test strips, and devices for detection of antibody classes associated with acute immune responses. The invention generally relates to assay methods, in particular, lateral flow assay methods for detection of an antibody isotype associated with acute infection, and to lateral flow assay strips for use in the methods of the invention. | 2021-12-16 |
20210389319 | ANGIOTENSIN RECEPTOR AUTOANTIBODIES AS BIOMARKER FOR EFFECTED USAGE OF ANGIOTENSIN RECEPTOR BLOCKERS - The invention described herein provides methods for treating a disease or disorder associated with angiotensin receptor signaling in a patient exhibiting elevated levels of ATIR autoantibodies. The invention also provides methods of identifying a patient suffering from a disease or disorder associated with angiotensin receptor signaling that may benefit from treatment with an angiotensin receptor blocker. Patients with elevated levels of ATIR autoantibodics are identified as candidates that particularly benefit from treatment with an angiotensin receptor blocker. | 2021-12-16 |
20210389320 | GAS-FILLED MICROVESICLES WITH LIGAND - Formulations of gas-filled microvesicles comprising a ligand, which may advantageously be used in methods for separating cells or biological materials. The formulations comprise a phospholipid and a suitable mixture of a pegylated phospholipid and of a pegylated phospholipid comprising a ligand. | 2021-12-16 |
20210389321 | SYSTEMS AND METHODS FOR ANALYTE DETECTION USING ELECTROMAGNETICALLY INDUCED RESONANCE - A system and method is provided for detecting an analyte within a sample. The method includes providing a first electromagnetic radiation to the sample in a manner that resonantly excites mechanical vibrations in the analyte. The method also includes providing a second electromagnetic radiation to the sample so as to interact with vibrating analyte, wherein a third electromagnetic radiation is produced based on the interaction. The method further includes receiving the a third electromagnetic radiation and determining the presence of the analyte based on the received a third electromagnetic radiation. | 2021-12-16 |
20210389322 | ASSAYS, SENSING PLATFORMS, AND METHODS FOR DIAGNOSIS OF CORONAVIRUS INFECTION AND RE-INFECTION - Disclosed herein are methods for diagnosing or prognosticating SARS-CoV-2 infection and/or COVID-19 in a subject. The methods set forth improved immunoassays, sensing platforms, and methods for detecting SARS-CoV-2 infection and re-infection. | 2021-12-16 |
20210389323 | Methods for the Diagnosis and Treatment of Biofilm-Related Infections - Disclosed herein are methods and systems for rapid diagnosis and treatment of biofilm-related infections in a subject having a medical implant. A reporter cocktail composition is disclosed herein and may be used to detect a microorganism of interest and determine the presence of an infection. A therapeutic cocktail composition is also disclosed herein and may be used to treat a subject diagnosed with a biofilm-related infection. | 2021-12-16 |
20210389324 | Methods and Compositions for the Detection of Host Protein Cleavage by Group IV Viral Proteases - Proteases of Group IV (+)ssRNA viruses were found to act on a human sequences in addition to the viral sequences. The identity of the cleavable human sequences is disclosed. Detection of these sequences can act as a diagnostic of infection. It is contemplated that these findings could be employed to facilitate post-translational silencing at the level of protein (e.g., removal of existing proteins), thus serving as a protein analog to CRISPR/Cas9 and RNAi/RISC, and further to enable sequence-specific silencing of host functions without the modification of the host genome. | 2021-12-16 |
20210389325 | IMAGING MASS SPECTROMETRY AND USES THEREOF - The present invention is directed to a mass spectrometry approach to identifying non-Spitzoid melanoma, and distinguishing non-Spitzoid nevi from non-Spitzoid malignant melanoma. | 2021-12-16 |
20210389326 | METHOD FOR DETECTING VIRAL LIVER CANCER - A method and a diagnostic agent kit for detecting viral liver cancer having excellent sensitivity and specificity are provided. | 2021-12-16 |
20210389327 | Extracelluar Vesicle Biomarkers for Bladder Cancer - Methods and products for the identification and detection of new bladder cancer biomarkers based on proteins and protein phosphorylation in urinary extracellular vesicles. | 2021-12-16 |
20210389328 | METHODE FOR IDENTIFYING SUBGROUPS OF CIRCULATING TUMOR CELLS (CTCS) IN THE CTC POPULATION OF A BIOLOGICAL SAMPLE - The invention generally relates to the field of individualized medicine. It is a kind of liquid biopsy for individualizing and monitoring treatment in patients with tumors and for diagnosis of tumors. The invention relates to a method for identifying and characterizing subpopulations (subgroups) of circulating tumor cells (CTCs) in a population of CTCs in a biological sample, preferably in a blood sample of the patient. The invention also relates to the quantification of the respective subgroups of CTCs in the population of CTCs in the biological sample. The invention further relates to the use of the method for diagnosis and monitoring of tumors, decisions relating to treatment, surveillance of treatment and prognosis, in particular for all kinds of solid tumors. The invention further relates to the use of the identified CTC subgroups as biomarkers for diagnosis, prognosis and therapeutic treatment. In addition, the invention relates to diagnostic devices and test kits for application of the method of the invention. | 2021-12-16 |
20210389329 | Compositions and Methods for Discriminating Infectious from Non-Infectious CNS Disorders - The present invention provides compositions and methods for discriminating infectious from non-infectious CNS disorders, and providing appropriate treatment thereof. | 2021-12-16 |
20210389330 | NON-INVASIVE APPROACH TO EARLY DIAGNOSIS AND PROGNOSIS OF ACUTE SEVERE PANCREATITIS BASED ON HEAT SHOCK PROTEINS MECHANISM OF ACTION - This invention describes a method for early diagnostics of severe pancreatitis using cell membrane damage detection mechanisms. The method involves a non-invasive testing of human urine or other body fluids samples of patients that are suspected to be affected by acute pancreatitis. The invention is based on heat shock protein HSP-70, 90, 60, and 27 role of action in disease progression. | 2021-12-16 |
20210389331 | Method for Diagnosing Intermittent Claudication and Chronic Limb-Threatening Ischemia - A method of diagnosing peripheral artery disease in a mammalian subject is provided, including a method of distinguishing advanced disease from a less advanced form, e.g. CLTI from IC, based on the level of one or more metabolic biomarkers selected from: creatine, creatinine, carnitine, propionylcarnitine, cystine, lysine, tyrosine, histidine, phenylacetylglutamine, oxoproline, arginine, monomethylarginine, a fatty acid biomarker selected from the group consisting of stearic acid, linoleic acid, heptadecanoic acid, palmitic acid, oleic acid, heptadecenoic acid, pentadecanoic acid and eicosadienoic, and a ratiometric biomarker comprising at least one of the metabolic biomarkers. | 2021-12-16 |
20210389332 | GDF15 IN GLAUCOMA AND METHODS OF USE THEREOF - The present disclosure provided methods for determining the severity of glaucoma using the expression levels of GDF15. Determining the severity of glaucoma aids in treatment decisions. | 2021-12-16 |
20210389333 | MULTIPLEXED BEAD-BASED ANALYTICAL ASSAYS - Bead-based analytical assays suitable for detecting changes in the abundance of target analytes in biological samples are disclosed. In an embodiment, an assay involves incubating a sample with one or several beads that are capable of binding several distinct analytes in an amount sufficient for detection by mass spectrometry from a single bead. | 2021-12-16 |
20210389334 | METHODS FOR AIDING IN DIAGNOSING AND EVALUATING A TRAUMATIC BRAIN INJURY IN A HUMAN SUBJECT USING A COMBINATION OF GFAP AND UCH-L1 - Disclosed herein are methods of aiding in the diagnosis and evaluation of a subject that has sustained or may have sustained an injury to the head. For example, the present disclosure provides methods for aiding in the diagnosis and evaluation of a subject to determine whether the subject has sustained a traumatic brain injury (TBI) by detecting or measuring a combination of the levels of ubiquitin carboxy-terminal hydrolase L1 (UCH-L1) and glial fibrillary acidic protein (GFAP) in samples taken at various time points within 48 hours after the subject has sustained or may have sustained an injury to the head. | 2021-12-16 |
20210389335 | COMPOSITIONS AND METHODS FOR DETECTION OF SMN PROTEIN IN A SUBJECT AND TREATMENT OF A SUBJECT - Disclosed herein are compounds, compositions and methods for modulating splicing of SMN2 mRNA in a subject. Also provided are uses of disclosed compounds and compositions in the manufacture of a medicament for treatment of diseases and disorders, including spinal muscular atrophy. Also provided are kits for detecting the amount of SMN protein in a sample of cerebrospinal fluid. | 2021-12-16 |
20210389336 | METHOD FOR SIMULTANEOUS ANALYSIS OF NEUROTRANSMITTERS AND THEIR METABOLITES BASED ON DERIVATIZATION - Disclosed is a method for simultaneous analysis of neurotransmitters and/or their metabolites. The method includes (a) separating analytes including a plurality of neurotransmitters and/or their metabolites from a sample selected from body tissues, body fluids, secretions, and excretions, (b) derivatizing the analytes with ethyl chloroformate to obtain derivatives of the plurality of neurotransmitters and/or their metabolites, (c) separating the derivatives of the plurality of neurotransmitters and/or their metabolites by liquid chromatography, and (d) subjecting the separated derivatives of the neurotransmitters or their metabolites to multiple reaction monitoring (MRM) using a mass spectrometer. According to the method, a plurality of neurotransmitters in a very small amount of sample can be simultaneously analyzed in an accurate and rapid manner based on derivatization to increase the stability and ionization efficiency of the substances. | 2021-12-16 |
20210389337 | AUTOMATIC ANALYSIS DEVICE, AUTOMATIC ANALYSIS SYSTEM, AND AUTOMATIC ANALYSIS METHOD FOR ANALYTES - The present invention comprises: an incubator disk | 2021-12-16 |
20210389338 | INTEGRATED CONSUMABLE DATA MANAGEMENT SYSTEM & PLATFORM - The present invention relates to methods, devices and systems for associating consumable data with an assay consumable used in a biological assay. Provided are assay systems and associated consumables, wherein the assay system adjusts one or more steps of an assay protocol based on consumable data specific for that consumable. Various types of consumable data are described, as well as methods of using such data in the conduct of an assay by an assay system. The present invention also relates to consumables (e.g., kits and reagent containers), software, data deployable bundles, computer-readable media, loading carts, instruments, systems, and methods, for performing automated biological assays. | 2021-12-16 |
20210389339 | AUTOMATIC ASSAYING SYSTEM AND METHODS THEREFOR - An automatic assaying system having a multiplex pipette cartridge section in which pipette cartridges are docked. At least one pipette cartridge has a different pipetting characteristic from another corresponding pipette cartridge, the different pipetting characteristic being selectable from a number of different pipetting characteristics. A multiplexing work item holder has an array of work item holder docks that dock corresponding work item holders selectable from pipette trays and pipette tip set racks that define the selectable different pipetting characteristic. One or more of the work item holder docks are indexed to selectably multiplex both the different interchangeable pipette trays and the at least one pipette set rack. A carrier moves the pipette cartridge or a work item holder carriage and a controller selects the at least one pipette tip set rack corresponding to a work item holder dock so as to effect automatic selection of the different pipetting characteristic. | 2021-12-16 |
20210389340 | APPARATUS FOR MEASURING SPEED OF VEHICLE HAVING IN-WHEEL MOTOR - An apparatus for measuring a speed of a vehicle having an in-wheel motor including a lock nut part fixed to an outer portion of a rotation shaft rotated by receiving power of the in-wheel motor, and restricting movement of a bearing part positioned outside the rotation shaft; a connection part coupled to the lock nut part; a magnet part having a magnetic force, and fixed to the connection part; and a speed sensor part installed to be separated from the magnet part, and measuring rotations of the magnet part. | 2021-12-16 |
20210389341 | SYSTEM AND METHOD FOR MONITORING ONE OR MORE PARAMETERS OF A TOP DRIVE WITH A SINGLE SENSOR - A top drive system comprising a drilling rig, and a top drive unit operatively associated with the drilling rig. The top drive includes a top drive housing, and a rotatable member having a first member portion within the top drive housing, and a second member portion extending outward from the top drive housing. There is a sensor assembly disposed within the top drive housing, the assembly comprising a sensor configured to provide an output signal associated with an at least one parameter of the top drive. The first member portion is configured with a profile sensed by the sensor assembly. | 2021-12-16 |
20210389342 | MOVEMENT ANALYSIS METHOD AND APPARATUS - A method and apparatus are for movement analysis. The apparatus and method receive acceleration data from an accelerometer (or measurements from other motion sensors) that is carried by a user. The acceleration data is divided into epochs and a determination is made as to whether the user is walking or running within each epoch. Consecutive epochs in which the user is found to be walking may be concatenated to determine periods of time during which the user is walking or running. An initial estimate of the time that the user starts to walk or run and stops walking or running are determined for each period of walking. An iterative optimization process is then performed to determine accurate start and stop times for the period of walking or running. | 2021-12-16 |
20210389343 | ATTACHABLE WIND DETECTION DEVICE - A wind detection device with a flexible enclosure, and opening, and a dispensing tube, filled with powder or liquid and designed to be attached to hunting equipment, headgear, or clothing, wherein pressing on the outside of the device causes a puff of powder or vapor to be dispensed into the air, allowing the user to determine wind direction. | 2021-12-16 |
20210389344 | Inertia Sensor Apparatus And Method For Manufacturing Inertia Sensor Apparatus - An inertia sensor apparatus includes a first sensor module including a first inertia sensor that outputs a first signal relating to a plurality of first detection axes and a first correction circuit that generates a first correction signal by correcting the first signal in such a way that the plurality of first detection axes are perpendicular to each other, a second sensor module including a second inertia sensor that outputs a second signal relating to a plurality of second detection axes and a second correction circuit that generates a second correction signal by correcting the second signal in such a way that the plurality of second detection axes are perpendicular to each other, a matching processor that generates a first matching signal by applying a first correction coefficient that causes the plurality of first detection axes to match with the plurality of second detection axes to the first correction signal, and a combining processor that combines the first matching signal with the second correction signal and outputs the combined signal. | 2021-12-16 |
20210389345 | FREQUENCY TRACKING FOR SUBSURFACE ATOMIC FORCE MICROSCOPY - A method and system for performing subsurface atomic force microscopy measurements, the system comprising: a signal source for generating an drive signal; a transducer configured to receive the drive signal for converting the drive signal into vibrational waves and coupling said vibrational waves into a stack comprising a sample for interaction with subsurface features within said sample; cantilever tip for contacting the sample for measuring surface displacement resulting from the vibrational waves to determine subsurface features; wherein the system includes a measurement device for measuring a measurement signal returning from the transducer during and/or in between the subsurface atomic force microscopy measurements. | 2021-12-16 |
20210389346 | SYSTEMS AND METHODS FOR MANUFACTURING NANO-ELECTRO-MECHANICAL-SYSTEM PROBES - Systems and methods for manufacturing multiple integrated tip probes for scanning probe microscopy. According to an embodiment is a microscope probe configured to analyze a sample, the microscope probe including: a movable probe tip including a terminal probe end; a first actuator configured to displace the movable probe tip along a first axis; and a detection component configured to detect motion of the movable probe tip in response to an applied signal; where the moveable probe tip comprises a metal layer affixed to a supporting layer, at least a portion of the metal layer at the terminal probe end extending past the supporting layer. | 2021-12-16 |
20210389347 | TEST PROBE - A test probe includes a main body extending along an axis, and a contact unit connected to the main body. The contact unit includes a plurality of structural components surrounding the axis and extending outwardly from the main body along the axis. Each structural component has a pointed tip suitable for contact with an object to be tested, and at least one ridgeline connected to the pointed tip. The at least one ridgeline is inclined with respect to a reference surface that passes through said pointed tip and that is perpendicular to the axis, and is configured to form an included angle with the reference surface. The included angle is smaller than 30 degrees. | 2021-12-16 |
20210389348 | Multi-Conductor Transmission Line Probe - Vertical transmission line probes having alternating capacitive and inductive sections are provided. These alternating sections can be designed to provide a desired transmission line impedance (e.g., between 10 and 100 Ohms, preferably 50 Ohms). Probe flexure in operation is mainly in the inductive sections, advantageously reducing flexure stresses on the dielectrics in the capacitive sections. | 2021-12-16 |
20210389349 | CYCLIC LOOP IMAGE REPRESENTATION FOR WAVEFORM DATA - A test and measurement instrument includes an input to receive a non-return-to-zero (NRZ) waveform signal from a device under test, a ramp generator to use the NRZ waveform signal to generate a ramp sweep signal, a gate to gate the ramp sweep signal and the NRZ waveform signal to produce gated X-axis and Y-axis data, and a display to display the gated X-axis and Y-axis data as a cyclic loop image. A method of generating a cyclic loop image includes receiving an input waveform, using the input waveform to generate a ramp sweep signal, gating the ramp sweep signal and the input waveform to produce gated X-axis and Y-axis data, and displaying the gated X-axis and Y-axis data as a cyclic loop image. | 2021-12-16 |
20210389350 | OPTICAL FIBER WINDING FOR MEASURING THE CURRENT CIRCULATING THROUGH A CONDUCTOR, AND OPTICAL FIBER-BASED CURRENT MEASURING EQUIPMENT - Disclosed is an optical fiber winding for measuring the current circulating through a conductor. According to one embodiment the optical fiber winding includes a central support core extending in a longitudinal direction, a first optical fiber cable arranged around the central support core, a second optical fiber cable arranged around the central support core, the first and second optical fiber cables extend in a helical manner around the central support core. According to one embodiment the first optical fiber cable is twisted about its longitudinal axis in a first twist direction, and the second optical fiber cable is twisted about its longitudinal axis in a second twist direction, the first twist direction being opposite the second twist direction. Optical fiber-based current measuring equipment is also disclosed. | 2021-12-16 |
20210389351 | CIRCUIT FOR DRIVING AN INDUCTIVE LOAD, CORRESPONDING DEVICE, VEHICLE AND METHOD - An embodiment circuit comprises high-side and low-side switches arranged between supply and reference nodes, and having an intermediate node. A switching control signal is applied with opposite polarities to the high-side and low-side switches. An inductive load is coupled between the intermediate node and one of the supply and reference nodes. Current sensing circuitry is configured to sample a first value of the load current flowing in one of the high-side and low-side switches before a commutation of the switching control signal, sample a second value of the load current flowing in the other of the high-side and low-side switches after the commutation of the switching control signal, sample a third value of the load current flowing in the other of the high-side and low-side switches after the second sampling, and generate a failure signal as a function of the first, second and third sampled values of the load current. | 2021-12-16 |
20210389352 | FAILURE DIAGNOSIS METHOD AND APPARATUS FOR POWER TUBE OF THREE-PHASE RECTIFIER BASED ON CURRENT SIGNAL - Provided are a failure diagnosis method and apparatus for open circuit failure of a power tube of a three-phase rectifier based on a current signal, relating to a failure diagnosis technique for power electronic equipment and capable of quickly and accurately diagnosing on an open circuit failure of the power tube of the three-phase rectifier without adding a hardware component. The failure diagnosis method only requires a sampled current existing in the control system of the rectifier and some intermediate computing signals and is therefore simple and requires little computing resource. A distorted current after the open circuit failure occurs in the power tube of the rectifier and a positive/negative half cycle where the current is present when the failure occurs serve as diagnostic variables. By analyzing the sampled current, a quick diagnosis on the power tube having the open circuit failure is provided. Thus, the invention is highly applicable. | 2021-12-16 |
20210389353 | FAST RESPONSE LOAD CURRENT SENSING APPARATUS AND METHOD - A fast load current sensing apparatus and scheme provides instantaneous detection of peak current excursions using low silicon area and power efficient techniques. The response time for detecting signal excursions and measuring a signal (e.g., load current) is independent of resolution or precision and can be applied to high resolution telemetry. The apparatus sends out maximum current limit (FHC_limit) code at any instant the load current is detected to be more than a digital-to-analog converter (DAC) code. If the load current is less than the FHC_limit the scheme restores to a next DAC code as per a counter's next value. In case load current is more than FHC_limit, the scheme updates the DAC code to FHC_limit code and starts the counter from the FHC_limit. | 2021-12-16 |
20210389354 | Two-element High Accuracy Impedance Sensing Circuit with Increased Signal to Noise Ratio (SNR) - An impedance sensing circuit includes first and second current sources and first and second bias current sources that are appropriately coupled to first and second resistors. The impedance sensing circuit also includes a comparator that compares a first voltage based on the first terminal of the first resistor to a second voltage based on the first terminal of the second resistor to generate a comparator output signal. Either the comparator output signal or a digital signal based on the comparator output signal operates to regulate the current signals output from the first and second current sources so that the first voltage is same as the second voltage. The comparator output signal and the digital signal is representative of a difference between the first voltage and the second voltage that is based on an impedance difference between the first resistor and the second resistor. | 2021-12-16 |
20210389355 | SIGNAL ADJUSTMENT DEVICE AND SIGNAL ADJUSTMENT METHOD - A signal adjustment device includes a frequency adjustment circuit, a filter circuit, and a power estimation circuit. The frequency adjustment circuit is configured to receive a two-tone signal from a signal generator and to generate a first signal according to the two-tone signal, wherein the signal generator generates the two-tone signal according to a first coefficient and a second coefficient. The filter circuit is configured to filter the first signal, in order to generate a second signal. The power estimation circuit is configured to detect a power of an intermodulation distortion from the third order signal component, which is associated with the two-tone signal, in the second signal, and to adjust at least one of the first coefficient and the second coefficient according to the power, in order to reduce the power. | 2021-12-16 |
20210389356 | Methods and Systems for Evaluating and Improving Distribution-Grid Observability - This document describes systems and techniques for evaluating and improving distribution-grid observability. These systems and techniques allow engineers to quantify the observability of a distribution grid, which represents an ability to combine actual measurements and various types of computations (e.g., analytics, estimators, forecasters), from a system model. Distribution engineers can also identify islands of observability where operating parameters, including voltages, currents, and power flows, can be determined from available sensor readings. By exclusion, distribution engineers can similarly identify areas of the distribution grid with observability deficiencies that may require additional instrumentation to maintain proper operation. Distribution engineers, using an iterative or automated process, can determine the observability of the system model with new or relocated sensors to generate a sensor allocation plan. The sensor allocation plan can indicate the number and location of sensors to either maximize observability for a fixed sensor cost or minimize sensor cost for predetermined observability. | 2021-12-16 |
20210389357 | METHOD AND APPARATUS FOR DIGITAL VSWR MEASUREMENT IN ADVANCED ANTENNA SYSTEMS (AAS) - A method and transmitter for determining voltage standing wave ratios, VSWR, of an antenna array having multiple subarrays, each subarray having two branches. According to one aspect, a method includes grouping the branches of the 5 antenna array to form a number of groups, each group being formed so that nearest branches in group are separated by at least one branch not in the group. For each group, the method includes combining reflected signals from the branches of the group to produce a first signal YREFL and combining forward signals from the 10 branches of the group to produce a second signal YFWD; calculating a reflected power PREFL and a forward power PFWD and calculating a VSWR for the group based on the reflected power PREFL and the forward power PFWD. | 2021-12-16 |
20210389358 | RELATIVE BUSHING PARAMETER METHOD TO AVOID TEMPERATURE INFLUENCE IN TRANSFORMER ABSOLUTE BUSHING PARAMETER MONITORING - The present invention relates to a method and monitoring device, for monitoring N number of transformer bushings operating in substantially the same environment. N being any number more than 1. The method comprises estimating an absolute value for the capacitances of each of the bushings, the absolute values for the capacitances being denoted C | 2021-12-16 |
20210389359 | OVER-THE-AIR TEST SYSTEM AND METHOD OF PERFORMING AN OVER-THE-AIR MEASUREMENT - An over-the-air test system for testing a device under test over-the-air is described. The over-the-air test system includes a reflector with a focal point, one center antenna and antenna elements. The center antenna is orientated towards the focal point of the reflector. The antenna elements are symmetrically located around the center antenna. An operational frequency range of the center antenna is different to an operational frequency range of the antenna elements. Further, a method of performing an over-the-air measurement of a device under test by using an over-the-air test system is described. | 2021-12-16 |
20210389360 | SYSTEMS FOR DETECTING ELECTRICAL FAULTS IN A VEHICLE - A system includes a location unit to direct one or more distributions of electrical signals through different conductive pathways of conductive pathways to plural components of an electric system. The location unit receives a modified version of one or more of the electric signals that is modified by passage through one or more of the conductive pathways. The location unit determines a location of an electric fault based on a position where the modified version is measured in its passage through one or more conductive pathways. A coupling unit couples the location unit to the electrical system. A method includes distributing plural electrical signals through different conductive pathways to several components of an electric system, receiving a modified version of one or more electric signals, and determining a location of an electric fault in the electric system based on a position where the modified version is measured in its passage. | 2021-12-16 |
20210389361 | FAULT DETECTING SYSTEM FOR COAXIAL TRANSMISSION LINES - A device for testing faults and non-conformities in a waveguide, such as a coaxial cable or a coaxial line such as those used in radio and television broadcast towers or in cellphone towers. The device is arranged for injecting a signal in the waveguide and for receiving a backscattered signal, characterizing a nonconformity or a fault. The injected signal may be a digital UWB signal. | 2021-12-16 |
20210389362 | SEMICONDUCTOR DEVICE, DETECTION METHOD, ELECTRONIC APPARATUS, AND ELECTRONIC APPARATUS CONTROL METHOD - An effect of PID is measured with higher accuracy by using an oscillation circuit. There is provided a semiconductor device including at least one measurement transistor a gate of which is electrically connected to an antenna unit that functions as an antenna in a plasma process, a selection transistor a source of which is electrically connected to the gate of the measurement transistor in parallel to the antenna unit; and an oscillation circuit electrically connected to a source of the measurement transistor and having an oscillation frequency that changes according to a threshold voltage of the measurement transistor. | 2021-12-16 |
20210389363 | METHOD AND DEVICE FOR AUTOMATICALLY TESTING A SWITCHING MEMBER - A method is for testing the functionality of a switching member including at least one switching element. A switching state is influenced via a control input of the switching element and via a control signal generated and output to the control input. An activation signal is output to the control unit and changes the control signal. The activation signal induces a test signal as the change to the control signal and induces a disconnection pulse as the test signal. The SiC or GaN power semiconductor is switched off via the disconnection pulse and conducts current in the reverse direction. In response to the disconnection pulse, the voltage drop is recorded. A comparison is carried out between an indicator and a reference encoding an expected response to the disconnection pulse. Depending on the result of the comparison, a status signal is generated which encodes the functionality of the switching member. | 2021-12-16 |
20210389364 | Monitoring Semiconductor Reliability and Predicting Device Failure During Device Life - A test circuit includes one or more sensors adapted to be formed on a wafer, each sensor detecting one or more reliability measurement data in a stressed condition; a stress generator controlling the one or more sensors to place the one or more sensors under stress during wafer manufacturing; memory coupled to the one or more sensors to store reliability characteristics under the stressed condition; and an interface coupled to the memory to communicate the wafer characterization data to a tester. | 2021-12-16 |
20210389365 | METROLOGY APPARATUS AND METHOD FOR DETERMINING A CHARACTERISTIC OF ONE OR MORE STRUCTURES ON A SUBSTRATE - Disclosed is a method for obtaining a computationally determined interference electric field describing scattering of radiation by a pair of structures comprising a first structure and a second structure on a substrate. The method comprises determining a first electric field relating to first radiation scattered by the first structure; determining a second electric field relating to second radiation scattered by the second structure; and computationally determining the interference of the first electric field and second electric field, to obtain a computationally determined interference electric field. | 2021-12-16 |
20210389366 | INSPECTION APPARATUS AND INSPECTION METHOD - In an inspection apparatus for inspecting an inspection target device formed on an inspection object, the inspection target device is a back-illuminated imaging device into which light is incident from a rear surface opposite to a side of a wiring layer. The inspection apparatus includes a stage having the inspection object placed such that the inspection object faces the rear surface. The stage includes a light transmitter made of a light-transmissive material. The inspection object is placed on the light transmitter below which a light illuminator is disposed. The light illuminator includes a flat light guide plate having a facing surface facing the inspection object. A light source is provided laterally outside the light guide plate configured to diffuse light emitted from the light source incident from a side end surface of the light guide plate, and to emit the light as planar light from the facing surface. | 2021-12-16 |
20210389367 | SYSTEM AND METHOD FOR PERFORMING LOOPBACK TEST ON PCIe INTERFACE - An apparatus is provided for testing a PCIe interface on a printed circuit assembly. The apparatus can include a plurality of electrical contacts to couple to a PCIe interface of the printed circuit assembly, wherein a respective electrical contact corresponds to a pin of the PCIe interface. The apparatus can also include a plurality of resistors. Each resistor is coupled between two adjacent electrical contacts. At least one electrical contact corresponds to a ground, power, or not connected (NC) pin of the PCIe interface, thereby allowing a loopback test to determine connectivity between the pins of the PCIe interface and the printed circuit assembly. | 2021-12-16 |
20210389368 | Design System For Test Adaptor Card And Method Thereof - A design system for a test adapter card is provided. The circuitry to be tested on a motherboard is divided to form multiple modules to be tested, each of which corresponds to an interface to be tested. According to specifications of preset interfaces, the preset interface corresponding to each interface to be tested is selected, wherein the specifications of the preset interfaces conform to connector specifications of commercially available cables, multiple preset pins included in the selected preset interface completely cover the pins to be tested included in the corresponding interface to be tested, and the number of the preset pins included in the selected preset interface is greater than or equal to the number of the pins to be tested included in the corresponding interface to be tested. Design information required for producing the test adapter card is output based on the selection result and the division result. | 2021-12-16 |
20210389369 | SEMICONDUCTOR DEVICE AND METHOD OF OPERATING THE SAME - Provided are a semiconductor device and a method of operating the same. A semiconductor includes a test circuit which comprises: a test transistor to be tested for time-dependent dielectric breakdown (TDDB) characteristics using a stress voltage; an input switch disposed between a voltage application node to which the stress voltage is applied and an input node which transmits the stress voltage to the test transistor; and a protection switch disposed between the input node and a ground node. | 2021-12-16 |
20210389370 | PROBE CARD WITH ANGLED PROBE AND WAFER TESTING METHOD USING THE SAME - A probe card includes a circuit board, a fixing member, and a plurality of probes. The fixing member is fixed on the circuit board and has a through opening therein. The fixing member has opposite first and second sidewalls defining the through opening. Each of the probes includes an arm portion and a tip portion. One end of the arm portion is connected to the circuit board. The tip portion extends from the arm portion. The arm portions of the probes extend in substantially a same direction inclined to a direction perpendicular to the first sidewall of the fixing member in a top view. | 2021-12-16 |
20210389371 | DEBUG DATA COMMUNICATION SYSTEM FOR MULTIPLE CHIPS - An apparatus comprises a first semiconductor chip comprising a first communication controller to receive first debug data from a second semiconductor chip; a memory to store the first debug data from the second semiconductor chip and second debug data of the first semiconductor chip; and a second communication controller to transmit the first debug data from the second semiconductor chip and the second debug data of the first semiconductor chip to an output port of the first semiconductor chip. | 2021-12-16 |
20210389372 | DUTY CYCLE DETECTOR SELF-TESTING - The disclosure relates to apparatus and methods for self-testing of a duty cycle detector. Example embodiments include a circuit ( | 2021-12-16 |
20210389373 | SYSTEM AND METHOD FOR MULTI-LEVEL SIGNAL CYCLIC LOOP IMAGE REPRESENTATIONS FOR MEASUREMENTS AND MACHINE LEARNING - A system includes an input to receive a digital waveform signal, a memory, and one or more processors configured to execute code to cause the one or more processors to: generate a horizontal ramp sweep signal based on the digital waveform signal; receive a selection input to identify a segment of the digital waveform signal; gate the horizontal ramp sweep signal and the digital waveform signal based on the selection input to produce cyclic loop image data for the segment of the digital waveform; store the cyclic loop image data in the memory; and provide the cyclic loop image data as one or more inputs into a machine learning system. A method of waveform classification using a cyclic loop image includes receiving an input waveform, receiving a selection of a segment of the input waveform, transforming the segment of the input waveform into cyclic loop image data, the transforming comprising generating a horizontal ramp sweep signal based on edge transitions in the input waveform, and storing the cyclic loop image data in a memory; and sending the cyclic loop image data to a machine learning system to determine an attribute of the input waveform. | 2021-12-16 |
20210389374 | SWITCH - A switch includes: at least one conducting line led through the switch; switching contacts arranged in the at least one conducting line; at least one measurement transformer arranged at the at least one conducting line; an electronic trip unit, a measurement-input of the electronic trip unit being electrically connected to a measurement transformer secondary winding of a measurement transformer; a power supply unit; at least one power transformer arranged at the at least one conducting line, the at least one power transformer including a power transformer secondary winding which is electrically connected to the power supply unit in order to supply the electronic trip unit; a signal generating unit for generating a test signal with at least a first predefined frequency, with an output of the signal generating unit being electrically connected to the power transformer secondary winding; and a self-test unit electrically connected to the measurement transformer secondary winding. | 2021-12-16 |
20210389375 | SYSTEM AND METHOD FOR SHARED HYBRID TRANSFER SWITCH SYSTEM WITH INTEGRATED RELAY SELF TEST - The present disclosure relates to a shared transfer switching system with built in relay testing ability, for transferring power received by a load from a preferred AC power source to an alternate AC power source, or transferring power being received by the load from the alternate AC power source to the preferred AC power source. The system selectively controls various ones of the relays used to apply power from either the preferred or alternate power sources to the load, such that the relays are switched from open to closed states at controlled times, while voltage measurements are made at select locations between the relays. The system can identify which specific ones of a plurality of relays associated with each of the preferred and alternate power sources has properly opened and closed, and thus verify that all of the relays needed to switch between the preferred and alternate power sources are operating properly. | 2021-12-16 |
20210389376 | TESTING CIRCUIT, SYSTEM AND CONTROL METHOD FOR MULTIPLE SUBMODULES OF CASCADED CONVERTER - A testing circuit for multiple SMs of a cascaded converter and a control method thereof are provided. A current generator generates a testing current flowing into a testing module group. The testing module group includes two series-connected testing arms that each contains multiple SMs, or in an alternative way, the testing module group is composed of one or multiple testing units connected in series, and each testing unit includes two testing SMs connected in series reversely. The testing circuit the control method thereof realizes a mission profile emulation of the multiple SMs of the cascaded converter in both inverting and rectifying modes simultaneously to improve a test efficiency. A reverse series connection structure of the two testing SMs offsets a DC component in a capacitor voltage to reduce a power supply voltage required for a test. Dynamic and static control methods under different modulations for the test circuit are provided. | 2021-12-16 |
20210389377 | CURRENT SENSE MULTI-CHIP MODULE - Current sensing devices that are capable of surviving harsh ambient environment of ocean worlds, such as Jupiter and Saturn moons are disclosed. The described devices can meet 300 Krad radiation requirements and can survive at cold temperatures down to −184° C. Exemplary implementations of the constituent circuits of the devices are presented. A scheduling algorithm to perform various measurement by the disclosed current sensing devices is also described. | 2021-12-16 |
20210389378 | IMPEDANCE MEASUREMENT USING A MULTIPLEXER AND ANALOG-TO-DIGITAL CONVERTERS - In some examples, a device can be used for measuring the impedance of a first battery cell. The device includes a first analog-to-digital converter (ADC) and a second ADC. The device also includes a multiplexer configured to connect the first ADC to the first battery cell in a first instance and to connect the second ADC to a current sensor in the first instance. The current sensor is configured to sense current through the first battery cell. The multiplexer is also configured to connect the first ADC to the current sensor in a second instance and to connect the second ADC to the first battery cell in the second instance or in a third instance. | 2021-12-16 |
20210389379 | ENERGY STORAGE CAPACITOR DEVICE AND STATE MONITORING CIRCUIT - A state monitoring circuit is disclosed for monitoring health states of N energy storage capacitors in an energy-storage capacitor device, the energy-storage capacitor device including N channels, and each channel comprising one energy storage capacitor, where the state monitoring circuit is configured to: disconnect first terminals of the N energy storage capacitors from the energy-storage capacitor device one by one; and determine whether each of the N energy storage capacitors is abnormal in accordance with a voltage at the first terminal of a corresponding one of the energy storage capacitors, where N is a positive integer. | 2021-12-16 |
20210389380 | VOLTAGE DETECTION APPARATUS - A voltage detection apparatus includes a capacitor and first and second differential voltage detection circuits. A reference voltage supplying unit supplies a first reference voltage from a first output terminal to the first differential voltage detection circuit, and supplies a second reference voltage from a second output terminal to the second differential voltage detection circuit. A fault determining unit determines a fault in the first or second differential voltage detection circuit based on a first voltage that is inputted from a first input terminal and a second voltage that is inputted from the second input terminal. A voltage output circuit is supplied a third reference voltage from a third output terminal between the first output terminal and the second output terminal, and outputs a third voltage to a third input terminal between the first input terminal and the second input terminal. | 2021-12-16 |
20210389381 | SOC ESTIMATING APPARATUS AND METHOD - A SOC estimating apparatus according to an embodiment of the present disclosure includes: a measuring unit configured to measure at least one of voltage, current and temperature of a battery; a noise generating unit configured to generate noise corresponding to the voltage of the battery based on a plurality of preset voltage regions; a filtering unit configured to receive the noise generated by the noise generating unit and filter the generated noise to correspond to the voltage of the battery based on the plurality of preset voltage regions; and a SOC estimating unit configured to estimate a SOC of the battery based on at least one of voltage, current and temperature of the battery and the noise filtered by the filtering unit. | 2021-12-16 |
20210389382 | BATTERY SYSTEM - A main object of the present disclosure is to provide a battery system capable of avoiding an over charge with a simple sensor element. The present disclosure achieves the object by providing a battery system comprising: a battery module including a battery pack A including a plurality of battery cells connected in series, and a battery pack B including a plurality of battery cells connected in series, connected in parallel, a monitoring unit configured to monitor a condition of the battery module, and a control unit configured to control at least a charge of the battery module, and the monitoring unit includes: a first current sensor configured to measure a total current I | 2021-12-16 |
20210389383 | CHARGEABLE BATTERY STATE DETECTION APPARATUS AND CHARGEABLE BATTERY STATE DETECTION METHOD - A chargeable battery state detection apparatus configured to detect a state of a chargeable battery is provided, comprising processor(s) and memorie(s) communicatively connected to the processor(s), wherein the processor(s) read out a group of instructions stored in the memorie(s), and execute a detection process for detecting a voltage and a current of the chargeable battery; a storage process for storing voltage values detected at different times by the detection process after charge and discharge is stopped; a fitting process for fitting, with respect to the voltage values, by adjusting coefficients of a predetermined function; a calculation process for calculating an open circuit voltage based on the function; and a discard process for discarding at least a part of the voltage values stored by the storage process when a current value or a voltage value detected by the detection process fluctuates by a predetermined threshold value or greater. | 2021-12-16 |
20210389384 | SYSTEMS AND METHODS FOR AUTOMATED TESTING OF POWER SUPPLY UNITS - An automated testing system for power supply units includes a frame, automated test equipment supported by the frame, a test jig supported by the frame and coupled with the automated test equipment, and a robotic arm coupled to the frame. The robotic arm is configured to move a power supply unit onto the test jig to interface with the automated test equipment. The automated test equipment is configured to perform one or more tests on the power supply unit when the power supply unit is interfaced with the automated test equipment, and the robotic arm is configured to move the power supply unit off of the test jig after the one or more tests are completed. Methods of performing automated testing for power supply units are also disclosed. | 2021-12-16 |
20210389385 | DETECTING DEVICE AND METHOD FOR DETECTING A FAULT IN A TRANSFORMER OF A WIND TURBINE - Provided is a detecting device and a method for detecting a fault in a transformer of a wind turbine, wherein the transformer transforms a lower voltage, which is output from a generator of the wind turbine to a low voltage side of the transformer, to a higher voltage, which is output from the transformer at a high voltage side, the detecting device including: a voltage detection device configured to detect a voltage at a first node at the low voltage side of the transformer; a current detection device configured to detect a current at a second node at the high voltage side of the transformer. The detecting device is configured to detect the fault in the transformer based on the detected voltage and the detected current. | 2021-12-16 |
20210389386 | SEMICONDUCTOR DEVICE - The semiconductor device includes a Hall element, a first differential pair, a second differential pair, an output amplifier circuit, and a voltage divider circuit. The Hall element outputs a signal that is dependent on stress to be applied to a semiconductor substrate to the first differential pair. The voltage divider circuit divides a voltage into a divided voltage having a voltage dividing ratio that is dependent on the stress. The first differential pair outputs a first current based on the signal. The second differential pair outputs a second current based on the divided voltage and a reference voltage. The output amplifier circuit outputs a voltage based on the first and second currents. A gain of the output amplifier circuit is approximated by a sum of a difference between stress dependence coefficients of transconductances of the first and second differential pairs and a stress dependence coefficient of the voltage dividing ratio. | 2021-12-16 |
20210389387 | MAGNETIC SENSOR MANUFACTURING - A magnetic sensor comprising a first shield and a second shield and a sensor stack between the first and the second shield, the sensor stack having a plurality of layers wherein at least one layer is annealed using in-situ rapid thermal annealing. In one implementation of the magnetic sensor a seed layer is annealed using in-situ rapid thermal annealing. Alternatively, one of a barrier layer, an antiferromagnetic (AFM) layer, and a cap layer is annealed using in-situ rapid thermal annealing. | 2021-12-16 |
20210389388 | SINGLE CONTROLLER FOR WEARABLE SENSOR UNIT THAT INCLUDES AN ARRAY OF MAGNETOMETERS - An exemplary magnetic field measurement system includes a wearable sensor unit and a single controller. The wearable sensor unit includes a plurality of magnetometers. The single controller is configured to generate a single clock signal and use the single clock signal to drive one or more components within the magnetometers. | 2021-12-16 |
20210389389 | SYSTEMS AND METHODS FOR MEASURING CURRENT OUTPUT BY A PHOTODETECTOR OF A WEARABLE SENSOR UNIT THAT INCLUDES ONE OR MORE MAGNETOMETERS - An exemplary controller may include a single clock source configured to generate a single clock signal used to drive one or more components within a plurality of magnetometers and a plurality of differential signal measurement circuits configured to measure current output by a photodetector of each of the plurality of magnetometers. | 2021-12-16 |
20210389390 | INTERFACE CONFIGURATIONS FOR A WEARABLE SENSOR UNIT THAT INCLUDES ONE OR MORE MAGNETOMETERS - An exemplary magnetic field measurement system includes a wearable sensor unit that includes a magnetometer and a twisted pair cable interface assembly electrically connected to the magnetometer. | 2021-12-16 |
20210389391 | System and Method for Reservoir Monitoring Using SQUID Magnetic Sensors - A vertical bipole source in a borehole generates a vertical bipole flow. The vertical bipole flow generates mutually orthogonal time-domain B-field data. Magnetic receivers at a surface location receive the time-domain B-field data and determine elements of a hydrocarbon reservoir using a 3D EM inversion technique. The vertical bipole source may extend into the borehole or be a virtual bipole source located at a surface location above a reservoir. | 2021-12-16 |
20210389392 | APPARATUS AND METHOD USING A PLURALITY OF MAGNETIC FIELD SENSITIVE DEVICES COUPLED SUCH THAT MULTIPLE CURRENTS FLOW THROUGH AT LEAST ONE OF THE MAGNETIC FIELD SENSITIVE DEVICES - An apparatus for magnetic field detection includes a power supply and a plurality of magnetic field sensitive devices including at least first, second, and third magnetic field sensitive devices. The first to third magnetic field sensitive devices are coupled to each other and to the power supply such that a first supply current path runs through the first magnetic field sensitive device and not through the second magnetic field sensitive device, a second supply current path runs through the second magnetic field sensitive device and not through the first magnetic field sensitive device, and the first and second current paths run through the third magnetic field sensitive device. An internal resistance of the third magnetic field sensitive device is smaller than both an internal resistance of the first magnetic field sensitive device and an internal resistance of the second magnetic field sensitive device. | 2021-12-16 |
20210389393 | DUAL DOUBLE-PINNED SPIN VALVE ELEMENT HAVING MAGNET BIAS WITH INCREASED LINEAR RANGE - In one aspect, a dual double-pinned spin valve element includes a first spin valve that includes a first pinned layer and a second pinned layer and a second spin valve disposed on the first spin valve and comprising a third pinned layer and a fourth pinned layer. The first, second, third and fourth pinned layers each have a magnetization in a first direction. | 2021-12-16 |
20210389394 | SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME - A method for fabricating semiconductor device includes the steps of first forming a magnetic tunneling junction (MTJ) stack on a substrate, in which the MTJ stack includes a pinned layer on the substrate, a barrier layer on the pinned layer, and a free layer on the barrier layer. Next, a top electrode is formed on the MTJ stack, the top electrode, the free layer, and the barrier layer are removed, a first cap layer is formed on the top electrode, the free layer, and the barrier layer, and the first cap layer and the pinned layer are removed to form a MTJ and a spacer adjacent to the MTJ. | 2021-12-16 |
20210389395 | MAGNETORESISTIVE ELEMENT AND SEMICONDUCTOR DEVICE - A magnetoresistive element of the present disclosure includes a multilayer structure made up of at least a fixed magnetization layer, an intermediate layer and a storage layer. A first side wall is formed on a side wall of the multilayer structure. A second side wall is formed on the first side wall. The first side wall is made of an insulating material, for instance SiN or AlOx, that prevents intrusion of hydrogen. The second side wall is made of a hydrogen storage material, for instance titanium. | 2021-12-16 |
20210389396 | OPTICALLY PUMPED MAGNETOMETER - An optically pumped magnetometer | 2021-12-16 |
20210389397 | MAGNETOENCEPHALOGRAPH - A magnetoencephalograph M | 2021-12-16 |
20210389398 | LOCAL COIL FOR A MAGNETIC RESONANCE SYSTEM, AND METHOD AND TOOL FOR THE MANUFACTURE OF SAME - A local coil of an embodiment includes a flat carrier body, at least one ventilation opening, and an antenna array for receiving RF signals in the frequency and power range of a magnetic resonance device. The flat carrier body is made of a reversibly deformable material and is moldable to the patient's shape. An embodiment of the invention further relates to a magnetic resonance system including a magnetic resonance device, a local coil and an electrical connecting cable. A method additionally relates to a method of manufacturing the local coil. A tool is further for use in a manufacturing process of a local coil. | 2021-12-16 |
20210389399 | SIMULTANEOUS EMISSION-TRANSMISSION TOMOGRAPHY IN AN MRI HARDWARE FRAMEWORK - A simultaneous emission-transmission tomography in an MRI hardware framework is described. A method of multimodality imaging includes reconstructing, by a simultaneous emission transmission (SET) circuitry, a concentration image based, at least in part, on a plurality of selected γ-rays; and reconstructing, by the SET circuitry, an attenuation image based, at least in part, on the plurality of selected γ-rays. The plurality of selected γ-rays is emitted by a polarized radio tracer included in a test object. The selected γ-rays are selected based, at least in part, on a radio frequency (RF) pulse and based, at least in part, on a gradient magnetic field. | 2021-12-16 |
20210389400 | BRAIN MEASUREMENT APPARATUS AND BRAIN MEASUREMENT METHOD - A brain measurement apparatus includes: a magnetoencephalograph including optically pumped magnetometers, magnetic sensors for measuring a static magnetic field at positions of the optically pumped magnetometers, and a nulling coil for canceling the static magnetic field; an MRI apparatus including a permanent magnet, a gradient magnetic field coil, a transmission coil, and a receive coil for detecting a nuclear magnetic resonance signal; and a control device that, when measuring the brain's magnetic field, controls a current to be supplied to the nulling coil based on measured values of the magnetic sensors and operates so as to cancel a static magnetic field at the position of each of the optically pumped magnetometers and, when measuring an MR image, controls the gradient magnetic field by controlling a current to be supplied to the gradient magnetic field coil and generates an MR image based on an output of the receive coil. | 2021-12-16 |
20210389401 | SYSTEMS AND METHODS FOR ENHANCEMENT OF RESOLUTION FOR STRATEGICALLY ACQUIRED GRADIENT ECHO (STAGE) IMAGING - Systems and methods for high-resolution STAGE imaging can include acquisition of relatively low-resolution k-space datasets with two separate multi-echo GRE sequences. The multi-echo GRE sequences can correspond to separate and distinct flip angles. Various techniques for combining the low-resolution k-space datasets to generate a relatively high-resolution k-space are described. These techniques can involve combining low-resolution k-space datasets associated with various echo types. The STAGE imaging approaches described herein allow for rapid imaging, enhanced image resolution with relatively small or no increase in MR data acquisition time. | 2021-12-16 |
20210389402 | MAGNETIC RESONANCE FINGERPRINTING METHOD FOR RECORDINGS WITH A CONTRAST AGENT - The present disclosure relates to the technical field of magnetic resonance tomography. The present disclosure relates to a method, a system and a computer program product for determining different states of a contrast agent in different types of tissue in a magnetic resonance fingerprinting method. | 2021-12-16 |
20210389403 | FAT SATURATION TECHNIQUE WITH LINEAR FLEXIBLE REORDERING AND BLOCH EQUATION CALCULATION TECHNIQUES - The data acquisition device may include a fat-suppression pulse exertion module configured to exert a fat-suppression pulse on an imaging area at set intervals, the fat-suppression pulse being able to suppress an initial fat signal to a negative value and keep the fat signal corresponding to the intermediate echo datum of the echo data collected between two fat-suppression pulses within [0, a], and a being a preset threshold close to 0, and an excitation and acquisition module, configured to exert a radio frequency pulse train and a series of phase encoding gradients after each fat-suppression pulse, collect the corresponding echo data, and fill the echo data into K-space in linear filling mode. | 2021-12-16 |
20210389404 | B0 AND B1 CORRECTION ANTI-RESPECTIVELY - The disclosure relates to techniques for perming chemical exchange saturation transfer (CEST) imaging correction. The present disclosure improves the speed of correcting CEST images. | 2021-12-16 |
20210389405 | METHOD, APPARATUS AND DEVICE FOR DETECTING ABNORMITY OF ENERGY METERING CHIP, AND MEDIUM - Provided are a method, an apparatus and a device for detecting abnormity of an energy metering chip. The method includes: inputting a target self-test signal to a to-be-tested component of a target energy metering chip in response to the target energy metering chip beginning to run under driving of a power signal; acquiring a first output signal from an output terminal of the to-be-tested component, and inputting the first output signal to a notch filter; inputting a second output signal from an output terminal of the notch filter to a signal correlator, and acquiring a third output signal from an output terminal of the signal correlator; and detecting a running state of the to-be-tested component based on the third output signal, to determine whether the target energy metering chip is abnormal. | 2021-12-16 |
20210389406 | Positioning And Self-Calibration Mechanism Using Moving AoA Locator - A system and method for determining a position or a movable device is disclosed. The present system utilizes a movable device equipped with a locator device that has an antenna array such that it may determine the angle of arrival of a plurality of incoming beacon signals. In certain embodiments, the movable device is also able to measure its distance travelled. By knowing its distance moved and the angle of arrival from each beacon, the locator device is able to calculate its position as well as the position of each beacon. This procedure may be executed at regular intervals so that the movable device accurately determines its position. | 2021-12-16 |
20210389407 | ADDITIONAL FEEDBACK FOR LOCATION DETECTION OF DEVICE-FREE OBJECTS USING WIRELESS COMMUNICATION SIGNALS - Disclosed are techniques for wireless sensing. In an aspect, a user equipment (UE) measures at least a line-of-sight (LOS) path and a non-line-of-sight (NLOS) path of a first downlink positioning reference signal (DL-PRS) from a first transmission-reception point (TRP), measures at least an LOS path and an NLOS path of a second DL-PRS from a second TRP, measures at least an LOS path and an NLOS path of a third DL-PRS from a third TRP, and enables a location of a non-participating target object to be determined based, at least in part, on reference signal time difference (RSTD) measurements between a time of arrival (ToA) of the LOS path of the first DL-PRS and the ToAs of the NLOS paths of the first, second, and third DL-PRS. In an aspect, the non-participating target object does not participate in determining its own location. | 2021-12-16 |
20210389408 | SENSOR NETWORK SYSTEM AND DEPLOYMENT FOR OBJECT DETECTION, TRACKING AND MITIGATION - Described herein are different distributed sensor network models, use cases, and details of the components of each model to achieve the goal of monitoring, detecting, tracking, and mitigating a target(s) such as a signal, an object, a phenomenon, etc. An independent sensor or a local sensor network may supply data to one or more fusion center(s) that collect(s) data and perform(s) higher logic to enhance system performance. A local sensor network allows independent sensors or other local sensor networks to merge into the local sensor network. A sensor cloud can be formed by multiple local sensor networks and independent sensors. By using different distribution models, the local sensor network can provide protection for various targets like Very Important Personnel (VIP) vehicles, lands, facilities, and cities. | 2021-12-16 |
20210389409 | LOCATION ESTIMATION - This specification relates to estimation of a location of a mobile device using one or more locator devices. This specification describes an apparatus comprising: means for receiving, from one or more locator devices, each locator device comprising an antenna array, information indicative of a bearing from the antenna array of each of the one or more locator devices to a mobile device; means for determining parameters of a Kent distribution for each of the one or more locator devices based on the received information and predetermined characteristics of the antenna array; and means for determining an estimated position of the mobile device by performing an optimisation process on an objective function that is dependent on the Kent distribution parameters for each of the one or more locator devices. | 2021-12-16 |
20210389410 | PASSIVE POSITIONING WITH ANALOG BEAMFORMING - Techniques are provide for passive positioning of user equipment (UE) with analog beamforming. An example method for positioning a user equipment includes receiving a first positioning reference signal from a first base station at a first time, receiving a first timing difference value based on two or more positioning reference signals transmitted from the first base station, receiving a second positioning reference signal from a second base station at a second time, receiving a second timing difference value based on two or more positioning reference signals transmitted from the second base station, and determining a time difference of arrival between the first positioning reference signal and the second positioning reference signal based at least in part on the first timing difference value and the second timing difference value. | 2021-12-16 |
20210389411 | LOCATING METHOD FOR LOCALIZING AT LEAST ONE OBJECT USING WAVE-BASED SIGNALS AND LOCATING SYSTEM - The invention relates to a locating method for localizing at least one object using wave-based signals, wherein a wave field emanates from the object to be localized and the wave field emanating from the object is received by a number N of receivers, at least one measurement signal is formed in every receiver, said measurement signal being dependent on the spatial and temporal distribution of the wave field and the phase progression of said measurement signal being characteristically influenced by the signal propagation time from the object to the receiver, wherein, for position locating, phase values for each of the at least two measurement signals are taken as measured phase values, and wherein the current position (P(k)) of the object to be located at the time k is determined by a comparison of at least one linear combination of the measured phase values with at least one linear combination of the associated hypothetical phase values, which result from the transmitter-receiver distance(s), and using a recursive filter/estimator. | 2021-12-16 |
20210389412 | Firearm Discharge Location Systems and Methods - Firearm discharge location systems and methods are described. According to one aspect, a firearm discharge location system includes a plurality of microphones spaced from one another, timing circuitry configured to generate a plurality of asynchronous timing references, wherein data capture operations with respect to the microphones of a first pair are synchronized with one another using a first of the timing references and data capture operations with respect to the microphones of a second pair are synchronized with one another using a second of the timing references, and processing circuitry configured to use outputs of the first and second pairs of the microphones to identify a location of a firearm discharge. | 2021-12-16 |