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WO/2023/088827A1 |
A method for determining an on-resistance of a field-effect transistor comprises an advance stage before use of the field-effect transistor (1) and an operation stage during operation of the field-effect transistor (1) as a switch. The a...
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WO/2023/090659A1 |
A device for measuring the insulation resistance between a ground and a battery including multiple battery cells comprises: a first voltage distribution unit that distributes voltage between a cathode of a battery and a ground; a second ...
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WO/2023/089115A1 |
The invention relates to an array apparatus (RR1, RR2, RR3) made up of individual multi-frequency passive resonators (MR1) not electrically connected to one another. These resonators are formed by interleaved, split transmission lines (M...
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WO/2023/089110A1 |
The invention relates to a method and a system for characterizing media, in particular dielectric media, using a multifrequency resonator that is placed at a distance from the region to be characterized and that is excited and interrogat...
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WO/2023/091238A1 |
A human body detecting sensor system includes a first electrode, a second electrode, a drive circuit, a detection circuit, and a comparison circuit. The second electrode is connected to the first electrode via a capacitor. The drive circ...
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WO/2023/085057A1 |
The present invention achieves a measurement device capable of highly accurate synchronous detection, while suppressing cost. A measurement device (100) is characterized by comprising: a current generation circuit (1) for generating a ...
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WO/2023/085616A1 |
The present invention relates to an insulation monitoring device characterized by comprising: a signal generation unit which generates a measurement signal having a preset voltage and applies the measurement signal to the ground through ...
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WO/2023/082712A1 |
A capacitor detection apparatus and method, and a motor control device. The detection apparatus comprises: a switch unit which is in a closed state when a motor control device needs to control a motor system to be powered on and started,...
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WO/2023/085777A1 |
The present invention provides an insulation resistance measurement device for measuring positive insulation resistance provided between a cathode of a battery pack and a ground and negative insulation resistance provided between the gro...
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WO/2023/084180A1 |
Circuitry comprising: a voltage monitoring path; a current monitoring path; a reference element of a predefined impedance; and processing circuitry, wherein in operation of the circuitry in a calibration mode of operation: the voltage mo...
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WO/2023/085686A1 |
An electronic device comprises: an antenna for transmitting and receiving an RF signal; an RF circuit for processing the RF signal; and a control circuit for controlling the RF circuit. The control circuit receives a feedback signal of a...
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WO/2023/083894A1 |
The invention relates to a method for determining at least one current capacitance value (28) of a Y-capacitance of a vehicle electrical system (12) for an at least partially electrically operated motor vehicle (10), by means of an elect...
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WO/2023/078923A1 |
The front-end circuit (1) for an impedance measurement comprises an excitation-terminal (12), intended to receive an excitation signal relative to a common ground (11), a first and a second input-terminal (13a,b), intended to be connecte...
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WO/2023/080559A1 |
The present invention relates to a battery pack voltage measurement circuit and an operation method thereof. Specifically, the present invention relates to a battery pack voltage measurement circuit which measures the voltage of a batter...
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WO/2023/077533A1 |
The present invention provides a resistance measurement method suitable for a circuit breaker or isolating switch under high electric field intensity. A first end of a circuit breaker or isolating switch to be tested is connected to a fi...
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WO/2023/078714A1 |
Disclosed is a method (1) for detecting an insulation fault of an electric battery, the method being suitable for acquiring an insulation resistance value (Ri) from a detection device, and the method (1) involving a series of steps of op...
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WO/2023/080465A1 |
A battery diagnosis method is a method for diagnosing a battery pack including a plurality of battery banks, the battery diagnosis method comprising the steps of: determining, by a battery management system (BMS), the presence of a targe...
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WO/2023/080343A1 |
A power supply system of the present invention comprises: a low-voltage battery which is electrically connected to a vehicle chassis, and supplies power to a processor for controlling an electronic component of a vehicle; a high-voltage ...
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WO/2023/078002A1 |
An insulation sampling circuit and a control method therefor, a voltage withstand test method, and an electrical device. The insulation sampling circuit comprises: a first sampling circuit (100) consisting of a first sampling module (120...
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WO/2023/077919A1 |
The present application provides an impedance detection method for a charging cable, an electronic device and a power supply device, which relate to the field of charging management, and which can more accurately check the impedance of a...
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WO/2023/080466A1 |
The battery management method for managing a plurality of battery banks comprises steps in which a battery management system (BMS): derives a plurality of bank voltages for each of a plurality of battery banks; calculates a plurality of ...
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WO/2023/075942A1 |
A switching device for controlling power flow on a power line. The device includes a current sensor for measuring primary current on the line, a first voltage sensor for measuring primary voltage on the line at one side of the switching ...
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WO/2023/075219A1 |
A battery diagnosis method comprises the steps in which a battery management system (BMS): calculates a plurality of internal resistances of, respectively, a plurality of battery cells connected in parallel, the internal resistances bein...
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WO/2023/074755A1 |
This resistivity measuring system comprises: a voltage generating unit for generating a voltage having a periodic waveform between a protective electrode (23) and a board supporting body (31); a current-voltage converting unit for conver...
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WO/2023/068693A1 |
A battery self-discharge current measurement device according to an embodiment disclosed in the present document may comprise: a first resistor which is connected to a battery; a voltage generation unit which generates a second output vo...
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WO/2023/060635A1 |
The present invention relates to the technical field of wireless charging. Disclosed is a circuit for rapidly measuring a high-precision Q value. The circuit for rapidly measuring a high-precision Q value comprises: an LC resonance modul...
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WO/2023/063709A1 |
The present disclosure provides: a method by which a wireless power transmitter transmits wireless power in a wireless power transmission system; and a device using same, the method comprising: entering a power transmission phase related...
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WO/2023/061208A1 |
Provided are a ground impedance measurement circuit and a ground impedance measurement method. The ground impedance measurement circuit detects a power supply voltage of an isolated alternating current power supply by means of disposing ...
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WO/2023/063083A1 |
This measuring device measures the condition of a plurality of welded portions formed when a welded object is welded to a welding target object at a plurality of locations. The measuring device includes: a plurality of applying circuits ...
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WO/2023/054928A1 |
A short-circuit current prediction device and method according to an embodiment of the present invention derive an internal equivalent circuit for reflecting a short-circuit state in a DC circuit, derive a first equivalent circuit by con...
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WO/2023/054607A1 |
A power supply device (1) according to the present invention includes: a power storage circuit (10) having an electric double-layer capacitor (11, 12) between a first node connected to a power supply (100) that is an in-vehicle battery a...
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WO/2023/055039A1 |
This wireless power transmission device comprises: a transistor configured to output a signal corresponding to a set operating frequency on the basis of an input signal and a driving voltage; a matching circuit connected to the transisto...
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WO/2023/054794A1 |
The present invention relates to a long-term withstand voltage and insulation resistance measurement test system that makes it possible to control the temperature of water stored in a high temperature water tank, and test and operate, fo...
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WO/2023/048401A1 |
A communication device having a monitoring function for a fastening state of a connector, and/or a control method therefor are disclosed. According to various embodiments, a communication device comprises: a RF connector unit detachably ...
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WO/2023/045538A1 |
A broadband dielectric constant measurement system and method based on pulse technology, which relate to the technical field of electronics. The measurement system comprises: a signal source generation module (001), which is configured t...
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WO/2023/045539A1 |
A differential oscillator (11)-based dielectric constant measuring apparatus (100), comprising a differential oscillator (11) for outputting two differential oscillation signals, a detection branch (12) and a reference branch (13) that a...
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WO/2023/048408A1 |
Embodiments relate to a real-time battery monitoring apparatus and method using transient response analysis. The real-time battery monitoring apparatus according to an embodiment includes a monitoring circuit connected to a battery and a...
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WO/2023/040221A1 |
An apparatus and method for testing change in resistance value of a solder joint, relating to the technical field of solder joint testing. In the apparatus, a first conductive line (111) is connected to a first node (121); a second condu...
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WO/2023/041030A1 |
A detection circuit and detection method for a piezoresistive pressure sensor, and an electronic device, wherein same belong to the technical field of power electronics. A Wheatstone bridge circuit is used for a piezoresistive pressure s...
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WO/2023/039115A1 |
The multilayer test sample includes a stack with a bottom layer, a top layer, and a tunnel layer sandwiched between the bottom and top layers. The multilayer test sample has terminals below the stack for measuring on the stack. The termi...
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WO/2023/037793A1 |
Provided are a capacitance sensor and a measurement device which make it possible to reduce the impact of stray capacitance on capacitance detection. A capacitance sensor (1) equipped with: a sensor unit (3) which has a first electrode (...
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WO/2023/039265A1 |
A method which allows for the quick and accurate detection of faulty operating conditions and bad interconnections between and within devices in an electrical system. The method allows for the detection of arcing in wiring and components...
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WO/2023/031449A1 |
A measuring and monitoring method for checking an insulation resistance of an insulation device in an unearthed supply network comprising a battery, wherein the battery is in particular a high-voltage battery (HV battery), by ascertainin...
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WO/2023/033388A1 |
An aerosol generating device may include a heater configured to heat an aerosol generating article, a sensor configured to generate a sensing signal corresponding to a change in capacitance of an accommodation space into which the aeroso...
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WO/2023/029440A1 |
A resistance value acquisition circuit, method and device, the circuit comprising: a working voltage node resistor Rb, a common ground terminal voltage node resistor Rc, a reference node resistor Ra, a first interconnect parasitic resist...
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WO/2023/033390A1 |
An aerosol generating device may include a heater configured to heat an aerosol generating article, a sensor configured to output a signal indicating a change in capacitance which occurs by insertion of the aerosol generating article, an...
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WO/2023/024034A1 |
Provided in the embodiments of the present application are an electrochemical impedance spectroscopy testing apparatus, and a battery management system. The testing apparatus comprises: a waveform generator, which is integrated in a batt...
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WO/2023/027299A1 |
The present invention relates to a lateral photocurrent method and, more specifically, to a lateral photocurrent method for directly measuring the sheet resistance of CdS in a Cu(In, Ga)Se2 element under an element operation condition. A...
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WO/2023/026840A1 |
Application units (20; 320; 420) simultaneously apply, to a monitoring conducting unit (33), signals generated by driving signal generation units (21; 421; 521) by overlapping signals of a plurality of single frequencies that are differe...
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WO/2023/026839A1 |
The present invention addresses the problem of providing an impedance measuring device that enables a coupling capacitor to be charged in a short time period, and that enables a line break to be detected. This problem can be resolved b...
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