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WO/2022/141013A1 |
A sampling assembly and a sampling method. Said method comprises: controlling, by means of a self-calibration unit (230), a first switch (210) to be turned on, so that a first sampling signal is inputted to a sampling unit (220); process...
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WO/2022/137705A1 |
A voltage detection circuit according to the present invention comprises: a first buffer circuit and a second buffer circuit that each output a voltage corresponding to an input voltage; a voltage detection unit that detects the output v...
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WO/2022/128248A1 |
The invention relates to a method (St1 - St13; St21 - St31) for detecting a faulty voltage sensor (Si) of a group of n ≥ 3 voltage sensors (S1 - Sn) of controllers in an onboard electrical system of a vehicle, wherein (a) voltage measu...
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WO/2022/121887A1 |
A high-frequency signal-based power consumer relative position identification apparatus, method and device. A resonance/signal generation module is mounted in each consumer electric meter in a manner of injecting a signal and receiving t...
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WO/2022/111821A1 |
Electronic component handling apparatus (1) for handling a DUT (100) having a temperature detection circuit 102 and pressing the DUT (100) against a socket (20) electrically connected to a tester (10) that tests the DUT (100). The electr...
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WO/2022/110558A1 |
A smart electricity meter malfunction early warning method and device. The steps of the method comprise: S1. constructing a relational model between the electricity supply of a general meter of a station area, the actual electricity cons...
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WO/2022/093708A1 |
Systems and methods are provided for predictive volumetric and structural evaluation of petroleum product containers. The system includes a computing device in communication with data input devices and implementation tools including cali...
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WO/2022/085950A1 |
A battery device processor estimates the internal resistance of a battery at a reference temperature on the basis of a measured voltage of the battery, a measured current of the battery, the open circuit voltage of the battery and a meas...
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WO/2022/084635A1 |
The invention relates to a method for producing a set of calibration pads (2), each associated with a respective absorbed dose, the method comprising, for each absorbed dose. the steps of: choosing a paramagnetic material exhibiting a ti...
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WO/2022/061402A1 |
Embodiments generally relate to a method for allowing power supplied through a cable to be determined. The method comprises receiving magnetic field data, the magnetic field data relating to a magnetic field generated by the cable, recei...
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WO/2022/058534A1 |
The invention relates to an electrical voltage source (1) comprising - an integrated circuit (2) comprising two input terminals configured to receive an electrical control signal, two output terminals configured to deliver an output volt...
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WO/2022/057953A1 |
Disclosed are a circuit for improving clock accuracy and a clock. The circuit comprises an MCU controller, a temperature sensor, and a humidity sensor. An output end of the temperature sensor is connected to the MCU controller. An output...
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WO/2022/059232A1 |
Provided is a voltage detection device which, in detection of voltage with regard to a plurality of resistive elements connected in parallel, makes it possible to decrease error and deviations in the detected voltage which occur due to t...
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WO/2022/052696A1 |
An up-to-standard checking method and an up-to-standard checking system for an added detection tool. The method comprises: after several wafers to be detected are provided (S21), detecting some of said wafers in a new detection tool to o...
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WO/2022/052231A1 |
An efficient real-time status detection device for a test system, comprising comparators L1 and L2, buffers Q1 and Q2, AND gates U1, U2, U3, U4, U5, and U6, and triggers T1, T2, and T3. The device is used for detecting a status of the te...
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WO/2022/045872A1 |
System/method for calibrating medical devices (6), comprising server (1) communication with medical devices (6), in which the server (1) having a central processing module (2) for facilitating data communication among a connected modules...
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WO/2022/040244A1 |
Methods and systems include a universal, device-agnostic calibration process in which measured indications output by a device under test (DUT) (or corrected or converted indications derived therefrom) may be compared with calibration thr...
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WO/2022/038019A1 |
A status of one or more components of a battery monitor circuit can be evaluated, such as to validate operation of the monitor circuit. In an example, a battery monitor circuit can be evaluated by providing a first test signal to a batte...
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WO/2022/033770A1 |
A method for calibrating a reverberation chamber (210). The method comprises arranging a high-frequency mode stirrer (100) on a spatially configurable platform (220) in the reverberation chamber (210). The high- frequency mode stirrer (1...
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WO/2022/028066A1 |
A rapid current amplification system and method based on a power amplifier. The system comprises a main power module, a main control module, and rapid current amplification modules. The main power module is connected to the main control ...
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WO/2022/020872A1 |
The invention relates to a method for monitoring the measuring accuracy of a charging connection device (1) for electric vehicles, and a charging connection device designed herefor. The charging connection device comprises an input inter...
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WO/2022/022690A1 |
A calibration system for magnetometers (1), comprising: the magnetometers (1), configured to measure a magnetic field to be measured; a magnetometer holder (2), the magnetometers (1) being fixedly mounted on the magnetometer holder (2), ...
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WO/2022/023609A1 |
Disclosed is a self-calibration system for autonomous loop impedance measuring devices, comprising: a processing device (1) that is connected to the impedance sensor (2) and has a housing (4) containing a microprocessor with a memory; an...
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WO/2022/016813A1 |
A current calibration method and system based on voltage compensation of a current sensor. The method comprises: by performing ADC sampling on the voltage of a power supply of a current sensor and the ground plane to obtain a power suppl...
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WO/2022/005186A1 |
Presented is a system for testing antenna performance, in which antenna performance is tested by reflecting the loss of a cable used in the antenna performance test. The presented system for testing antenna performance comprises a tester...
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WO/2022/002196A1 |
A probe card for a high-temperature high-voltage test of a power device, relating to the technical field of semiconductor device tests. The probe card is sequentially provided with an air inlet system (1), a PCB (2), a transfer layer (3)...
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WO/2022/000756A1 |
A method for automatically calibrating superconducting quantum chip parameters. Said method comprises: after acquiring a first range of first calibration measurement signals of a parameter to be calibrated of a superconducting quantum ch...
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WO/2021/253934A1 |
An error compensation circuit (220), comprising a delay unit (221), a first error detection unit (222a), a second error detection unit (222b), a first error compensation unit (223a), a second error compensation unit (223b) and an output ...
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WO/2021/245640A1 |
Methods and systems estimate calibration errors of magnetic sensor measurements collected at mobile devices. Each measurement is associated with a location of one of the mobile devices and has a calibration error. Data from the sensor me...
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WO/2021/246405A1 |
Provided is a measuring device which facilitates equipment calibration. A measuring device 1 for measuring noise contained in equipment having a prescribed resistance value is provided with a first voltage-dividing circuit 112 connected ...
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WO/2021/241442A1 |
This power management system is provided with: a first reception unit that receives a reference measurement value of a reference power meter at a prescribed time interval; a second reception unit that receives, at an interval shorter tha...
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WO/2021/212816A1 |
A cable early-warning monitoring test platform, comprising: a heating device (2) configured to heat a cable (1) to simulate heating of the cable (1) at a fault point, the cable (1) being provided with a temperature measurement optical fi...
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WO/2021/210836A1 |
The present embodiments relate to an electric current sensor, a steering control device, and a method for detecting an electric current. An electric current sensor may comprise: a conductive part through which an electric current flows; ...
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WO/2021/196687A1 |
A multi-component-based electric field probe and magnetic field probe calibration system and method. Said calibration system comprises a microstrip line calibration assembly, a clamp, a vector network analyzer and a data processing unit;...
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WO/2021/191145A1 |
A method for calibrating an AC/DC converter (8) with power factor correction, comprising the following steps: - connecting the input connector (2) of the converter to a predetermined DC voltage power supply, such that said predetermined ...
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WO/2021/184740A1 |
A current calibration device for a power supply channel in a test system, comprising n power supply channels (DPS_1-DPS_n), n connection switches (k1-kn) having one-to-one correspondence to the n power supply channels (DPS_1-DPS_n), m re...
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WO/2021/185985A1 |
Test apparatus (1) for test cards (37), having a receiving device (3) for holding at least one test card (37) to be tested, having at least one contact device (4) for making electrical touch contact with electrically conductive contact p...
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WO/2021/180674A1 |
The invention concerns a method for calibrating a current sensor (103) arranged for measurement of current from or to a battery system (100) provided with one or more battery cells (101), the method comprising the steps of: providing inf...
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WO/2021/171162A1 |
In an electric battery assembly plant (4), comprising a battery assembly line (10-40) including a station (5) that receives battery cells or modules (2) to be assembled together, with which a measuring apparatus (7) is associated for mea...
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WO/2021/167247A1 |
In a battery apparatus: a plurality of battery packs including a first battery pack and a second battery pack are connected in parallel; and a plurality of current sensors including a first current sensor for measuring current of the fir...
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WO/2021/167738A1 |
Example circuitry includes a first circuit to provide a low signal; a second circuit to provide a high signal, where the high signal has a greater voltage magnitude than the low signal; and a differential amplifier configured to receive ...
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WO/2021/166313A1 |
Provided is a current transformer type electric current sensor which has a magnetic circuit correction means capable of putting accuracy of voltage detected by electric current measurement in a specification value, and which can be post-...
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WO/2021/152436A1 |
The present invention relates to an apparatus (1) for testing at least one circuit board (100). The apparatus (1) comprises a frame (2) defining a housing (2a), a test device (8) configured or configurable for testing at least one circui...
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WO/2021/147501A1 |
A single load jump-based method and system for performing an error analysis on a measurement domain, and a computer-readable storage medium. According to the method and system, a high-density measurement is performed on the loads of a ma...
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WO/2021/134783A1 |
Provided are a crystal calibration method, a chip and a Bluetooth earphone. The method comprises: acquiring a counting difference of at least one pulse signal, wherein the at least one pulse signal comprises a pulse signal that is genera...
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WO/2021/130706A1 |
The present invention is enclosed in the area of intelligent monitoring and control of the grid topology of a power distribution network. It is an object of the present invention method for the autonomous mapping of an energy meter which...
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WO/2021/132867A1 |
The present invention proposes an electronic power meter capable of minimizing a tolerance of a passive element used in a measurement unit and minimizing errors caused by elements of the measurement unit, other ICs, or the like. The prop...
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WO/2021/128520A1 |
A magnetic moment correction method, comprising the following steps: S1, preparing magnetic particles without magnetic moment anisotropy; S2, uniformly dispersing the magnetic particles in a non-magnetic medium to prepare a correction sa...
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WO/2021/120452A1 |
A terahertz frequency band on-chip S parameter calibration method and a terminal device. The method comprises: acquiring eight error models obtained subsequent to performing preliminary calibration on a terahertz frequency band system (S...
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WO/2021/127361A1 |
Certain aspects and features include a system and method for energy measurement in electric meter systems. In an example, an electric meter receives an Alternating Current (A/C) signal. The electric meter includes a current measurement d...
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