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WO/2023/025848A1 |
The invention relates to a large signal inductance measurement device (1) and to a method for carrying out a measurement operation to measure an inductance (QTI, LTI) on an electrical energy supply line arrangement (EL, ZL) operated with...
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WO/2023/028209A1 |
A sensor system for a grain storage device is presented. The sensor system includes sensor cable segments configured to connected together in series to form a modular multi- segment sensor cable. In one or more arrangements, each sensor ...
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WO/2023/024486A1 |
Embodiments of the present application relate to the technical field of PCBs, and disclose a loss test strip and a PCB device, the loss test strip comprising at least one signal layer (10); the at least one signal layer (10) is provided ...
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WO/2023/022572A1 |
In order to measure the entropy of an electrochemical device such as a battery, temperature information of the inside of the electrochemical device to be measured is extracted by measuring the impedance of the electrochemical device whil...
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WO/2023/023235A1 |
In some embodiments, apparatuses and methods are provided herein useful to operating uninterruptible power supplies (UPS). The embodiments may include a plurality of capacitor banks, a UPS control circuit, and a central control circuit. ...
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WO/2023/023053A1 |
A method and apparatus for calibrating an impedance measurement device (100a, 100b, 100c) are provided. The impedance measurement device outputs (502) a first AC signal to a phase-locked current generator (124). The phase-locked current ...
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WO/2023/021633A1 |
A capacitive sensor system includes a capacitive sensor including a sensing electrode and a shield electrode, a regulator circuit configured to regulate a voltage of the capacitive sensor and to generate an output signal based on an outp...
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WO/2023/013713A1 |
The present invention reduces the level of an electric current component flowing in a load connection line connected to a load, and prevents failure of the load when the level of an AC signal supplied to the load connection line is incre...
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WO/2023/015043A1 |
An ultra-low-power wireless impedance measurement system is provided having a sensor group with a piezoelectric sensor, a temperature sensor, an impedance analyzer and a wireless transceiver is to transmit associated data via wireless tr...
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WO/2023/012581A1 |
The invention relates to an electrochemical biofilm sensor comprising a first, a second and a third electrode, wherein the first electrode is a working electrode on whose surface the biofilm whose growth is to be measured develops, the s...
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WO/2023/013962A1 |
A battery management device according to an embodiment disclosed in the present document may comprise: a power source unit comprising a plurality of power sources; a measurement unit for measuring a first voltage by applying a first powe...
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WO/2023/006751A1 |
The invention relates to a vehicle electrical system (1) for a motor vehicle, comprising at least one HV battery (2) for providing a positive potential (H+) and a negative potential (H-) and at least one HV load (3, 4), wherein: an insul...
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WO/2023/006339A1 |
The invention relates to an insulation monitoring device (1) for a high-voltage onboard electrical system (2) of a motor vehicle. The onboard electrical system (2) comprises an HV battery (3) and is galvanically isolated from the vehicle...
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WO/2023/007253A1 |
The present disclosure provides a forced symmetry IMD and a method to control the forced symmetry IMD. The system comprises an electric system power source configured to deliver electrical power to a bus, the bus including a first bus ba...
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WO/2023/004623A1 |
An electrical circuit line quality detection apparatus, comprising two electrical connectors, a load resistor, a switch element, a display module and a control module, wherein the two electrical connectors are inserted into a jack and co...
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WO/2023/006443A1 |
The invention relates to the self-diagnosis of a circuit (22) for measuring the insulation resistance of a battery system, said circuit having a first switch (S1), which connects the positive terminal of the battery system (12) to earth ...
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WO/2023/284013A1 |
A method for controlling the surface gloss of a metal workpiece, and a method for preparing a metal film. The method for controlling the surface gloss of a metal workpiece comprises: providing a metal workpiece; measuring the surface glo...
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WO/2023/279168A1 |
A metal detector in a cover of a container, comprising: a first winding; an inner winding with a surface area that is less than that of the first winding; and an outer winding with a surface area that is greater than that of the first wi...
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WO/2023/280748A1 |
The invention relates to a conductivity sensor (3) for determining and/or monitoring an in particular specific electrical conductivity of a free-flowing medium (4) in a container (5), in particular in a tank or through a pipeline, compri...
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WO/2023/276546A1 |
A battery measurement device (50) that measures the state of a storage battery (42) comprises: a current control unit (54a) that causes a synthesized wave in which a plurality of AC signals of different frequencies are overlapped to be o...
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WO/2023/272478A1 |
An intelligent automatic detection device for a motor commutator, comprising: a detection platform (1), a conveying component (3), a feeding component (4), and a detecting component (5). A first cylinder (524) is started by adjusting the...
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WO/2023/277178A1 |
The present invention provides an impedance measurement system that makes it possible to improve accuracy in impedance measurement. An impedance measurement system 1 comprises: a master-side measuring instrument 10 that supplies a meas...
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WO/2023/274614A1 |
202110755 21 ABSTRACT Lightning protection system evaluation based on impedance analysis 5 It is described a lightning protection system (100), in par- ticular for a rotor blade (114), the system comprising: i) a lightning conductor (110...
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WO/2023/276547A1 |
A battery measurement device (50) that measures the state of a storage battery (42) comprises: a signal control unit (56a) that causes an AC signal to be output from the storage battery or inputs an AC signal into the storage battery; a ...
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WO/2023/276344A1 |
This invention displays variation over time of measured impedance such that the same can be easily identified. This invention comprises a processing unit that executes measurement result display processing for using measurement result ...
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WO/2023/273016A1 |
The present application provides a preparation method for a semiconductor test structure, comprising: providing a semiconductor structure, the semiconductor structure comprising a substrate, and a capacitor array structure on the front o...
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WO/2022/267961A1 |
Provided are a wireless charging control method and device, and a vehicle, relating to the technical field of wireless charging. The control method comprises: acquiring model information of a terminal device connected to a wireless charg...
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WO/2022/270104A1 |
Provided is an impedance measurement device that is capable of measuring the internal impedance of a battery under measurement that is connected in parallel to a load. This impedance measurement device comprises a current source 2 for ...
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WO/2022/268189A1 |
A method for calculating any phase of capacitor in a delta connection by using an anti-accompanying capacitor theorem. The method comprises: firstly, respectively measuring an end value of each phase of capacitor in a delta connection an...
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WO/2022/263789A1 |
A method of remotely determining an impedance of an earth connection (142) of a first electrical equipment (122) connected to a power supply network (300). The method comprises receiving (606), from a first measurement node (302) connect...
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WO/2022/258317A1 |
The invention relates to a DC high-voltage system and to a method for determining the dielectric strength of the electrical insulation of DC high-voltage components (10, 11, 12) in such a DC high-voltage system, especially for a high-vol...
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WO/2022/259800A1 |
This battery measurement device (50) comprises: a signal control unit (56d) that is provided on a first electrical path (81) and outputs an AC signal from a storage battery (42) or inputs the AC signal to the storage battery; an AC signa...
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WO/2022/254688A1 |
Provided is a non-grounded measurement possibility determination device for determining whether or not a measuring instrument needs to be grounded when the voltage to ground of electromagnetic noise is measured, comprising: a determinati...
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WO/2022/254298A1 |
A sensor device for monitoring dielectric strength of a dielectric fluid has a sensor body which supports a sensitive part (SGi), designed for contact with the dielectric fluid. The sensitive part (SGi) comprises at least one pair of ele...
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WO/2021/222202A9 |
A measurement system includes a source unit to provide a source signal to a sample and a voltage source and/or a current source and a memory. The system also includes a measurement unit configured to acquire from the sample an measuremen...
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WO/2022/248351A1 |
The present invention provides a determining method and apparatus for a work-ing voltage of an isolated neutral system. A power system includes three phase wires and three capacitor banks. One terminal of each capacitor bank is connected...
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WO/2022/251026A2 |
A system includes an electrochemical impedance measuring circuit and a controller. The electrochemical impedance measuring circuit is configured to measure an electrochemical impedance of a battery of an electric vehicle. The controller ...
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WO/2022/249709A1 |
The present invention sufficiently reduces manufacturing cost by using a signal injection unit having a low withstand voltage specification. The present invention comprises: a signal injection unit 3 that injects an AC signal S1 into a...
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WO/2022/249708A1 |
Provided is a signal injection device capable of reliably injecting an AC signal to an injection target line in which a direct current is flowing. A signal injection device 10 includes: a ring-shaped magnetic core 2 into which is inser...
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WO/2022/251086A1 |
To measure the resistance area product of a high resistivity layer using a microscopic multi point probe, the high resistivity layer is sandwiched between two conducting layers. A plurality of electrode configurations/positions is used t...
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WO/2022/243176A1 |
The invention relates to a method for determining a phase resistance (40) of an electric machine (20), wherein phase currents (i-x) of the electric machine (20) are detected at a high frequency, wherein associated phase voltages (u') are...
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WO/2022/241648A1 |
Embodiments of the present application disclose a bidirectional on-board charger insulation resistance measurement circuit and method. The circuit comprises: a first resistor, a second resistor, a third resistor, a fourth resistor, a fir...
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WO/2022/244246A1 |
A signal generation unit (10) outputs, as noise, a first AC signal and a second AC signal of different phases. A first coaxial cable (21) transmits the first AC signal. A second coaxial cable (22) transmits the second AC signal. A first ...
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WO/2022/237294A1 |
A state detection and control device for detecting the state of the handle of a freezing instrument. At least two electrodes are provided on the surface of the handle of the freezing instrument close to an area to be frozen. The device c...
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WO/2022/239963A1 |
The present invention relates to a method for predicting the lifetime characteristics of a lithium secondary battery, and more particularly, to a method for predicting the lifetime characteristics of a lithium secondary battery, whereby ...
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WO/2022/240475A1 |
A system may include an electromagnetic actuator and a processing subsystem configured to apply a low-frequency actuation signal on an actuation coil of the electromagnetic actuator to drive mechanical displacement of the electromagnetic...
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WO/2022/237433A1 |
A SAR detection assembly (10) and method, and an electronic device, the SAR detection assembly (10) comprising: a sensing branch (110), a detection branch (120), a SAR sensor (140), and a compensation branch (130), wherein the sensing br...
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WO/2022/234892A1 |
The present invention provides a semiconductor film layer inspection apparatus (10) and a semiconductor film layer inspection method using the apparatus, the purpose of which is to detect electrical characteristics of a semiconductor fil...
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WO/2022/231062A1 |
Disclosed is a battery charging method and a battery charging device. Provided according to one aspect of the present invention is a battery charging method comprising the steps of measuring impedance for each frequency by sequentially a...
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WO/2022/227945A1 |
A cable parameter determination method, apparatus and system, a storage medium, and an electronic apparatus, the method comprising: acquiring scattering parameters of a cable to be tested in a test fixture, or acquiring a reflection coef...
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