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WO/2022/193661A1 |
A transformer reactive power disturbance calculation method based on a GIC monitoring device. The GIC monitoring device is mounted on a wire of a high-voltage incoming and outgoing line of a transformer, and comprises a power supply, a c...
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WO/2022/191736A1 |
The invention relates to a device for detecting electromagnetic radiation in the spectral range, including ultraviolet, visible, infrared and terahertz (millimeter and submillimeter), by converting the radiation energy into an electrical...
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WO/2022/191659A1 |
The present document relates to an electronic device including a battery pack and an operation method of the electronic device, the electronic device according to embodiments comprising a system module and a battery pack, wherein the bat...
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WO/2022/191396A1 |
Disclosed is a test device. The test device according to an embodiment of the present invention is operated by a power supply unit provided to be portable, and tests a sensor device using an alternating current of a high frequency. There...
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WO/2022/190678A1 |
Provided is a non-contact voltage measurement device whereby a voltage in a conductor of an electric wire can be measured in real time by a simpler computation than the prior art and in accordance with an environmental change. A non-cont...
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WO/2022/186576A1 |
Various embodiments of the present document relate to an electronic device for quickly charging a battery. The electronic device may comprise a battery, a first charger, a second charger, and a processor, wherein the processor: detects t...
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WO/2022/186373A1 |
A voltage measurement device (12) comprises a first measurement circuit (31), a second measurement circuit (32), a cell balance switch (360), and a correction circuit (33), the first measurement circuit (31) being connected to a pluralit...
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WO/2022/186544A1 |
An electronic device, according to various embodiments, may comprise: a battery cell that supplies power; at least one battery protection circuit that is coupled to the battery cell; a battery pack that includes the battery cell and the ...
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WO/2022/186375A1 |
A voltage measurement system (10) comprises: a first reference signal transmission device (communication device 30) having a first master oscillator (36) for generating a first master clock signal, and a first reference signal generating...
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WO/2022/185236A1 |
The present invention relates to a device for measuring voltage and current in power transmission lines, which comprises: a primary electrical conductor connected in series to a voltage line, wherein an electric current from the voltage ...
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WO/2022/186374A1 |
A voltage measurement device (10) measures the voltage of at least one of a plurality of battery cells (81) that are connected in series, the voltage measurement device comprising one or more voltage detection circuits (40). Each of the ...
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WO/2022/181603A1 |
A failure diagnostic method of a overcurrent detection circuit that can diagnose an overcurrent detection circuit and maintain these in a safe state, and a battery pack are provided.　This battery pack failure diagnostic method compares...
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WO/2022/182652A1 |
In one embodiment, a power supply comprises: a conversion circuit that outputs an output voltage at a first end of a cable; a remote voltage sensor measures a load delivered voltage from a second end of the cable; a control logic, wherei...
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WO/2022/180349A1 |
The present disclosure relates to circuitry for determining a temperature coefficient value of an integrated resistor or an integrated circuit. The circuitry comprises circuitry for supplying an AC current signal to the resistor, circuit...
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WO/2022/179532A1 |
The present invention provides an auxiliary winding measurement method and circuit. The measurement method and circuit are based on existing circuit elements, do not need extra cost, and enable auxiliary winding clamping topology to be m...
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WO/2022/177291A1 |
A battery management system according to the present invention may comprise: a battery monitoring device sensing respective voltages of a reference battery cell and a plurality of battery cells having a common flat interval, and sensing ...
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WO/2022/177568A1 |
A method to determine noise parameters of a scalable device, is presented in which the determination of the noise parameters of the scalable device is independent of the model adopted for the device. The scalable device is connected as p...
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WO/2022/177247A1 |
The present invention relates to a current sensing device comprising: a bus bar including a plurality of low-resistance metal portions separated from each other with a resistance portion therebetween; a printed circuit board arranged bel...
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WO/2022/177235A1 |
The present invention relates to an electronic device and a control method therefor. The electronic device comprises: a rechargeable battery for supplying power to the electronic device; a processor connected to the battery; and memory f...
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WO/2022/177582A1 |
According to an example, a method to determine a photoconductive element voltage includes engaging a developing unit with the photoconductive element. The developing unit is set at a series of voltage values. For each voltage value of th...
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WO/2022/177818A1 |
A dual active bridge (DAB) converter includes a variable inductor and a controller configured or programmed to control the DAB converter using triple-phase-shift control. The controller can include a first proportional-integral controlle...
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WO/2022/176570A1 |
[Problem] To provide a magnetic sensor with which it is possible to detect, with high sensitivity, a to-be-measured magnetic field occurring due to a weak electrical current. [Solution] This magnetic sensor 1 comprises: a sensor chip 10 ...
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WO/2022/177274A1 |
A device for diagnosing the state of a battery according to one embodiment of the present invention comprises: a profile acquisition unit configured to acquire a plurality of differential profiles indicating a correspondence relationship...
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WO/2022/173173A1 |
A device for inspecting for electrode assembly defects before electrolyte injection, in the present invention, comprises: a short circuit tester, which applies a predetermined voltage to an anode and a cathode of the electrode assembly t...
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WO/2022/173562A1 |
A signal processing system may include a signal path and a chop management circuit. The signal path may comprise a chopper configured to chop a differential input signal to the signal path at a chopping frequency and a low-pass filter do...
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WO/2022/173152A2 |
According to the present invention, in order to detect an amount of change due to a factor added by a system, the existing state is duplicated and stored in a memory, and an amount of change of the system is detected on the basis of a va...
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WO/2022/174046A1 |
A system for ground fault detection includes an alternating current (AC) excitation source configured to provide an AC test signal to a circuit under test; a current transformer configured to detect a current of the AC test signal; a cap...
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WO/2022/171908A1 |
The present invention discloses a design for a measurement device (1) with improved power measurement accuracy, involving the measurement of the temperature using a highly accurate device that can be installed coupled to the protectors, ...
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WO/2022/173120A1 |
The present invention provides an inspection apparatus having an inspection process that is carried out in the order of an alignment unit, a probe unit, and a pit unit, wherein the inspection apparatus may comprise: the alignment unit th...
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WO/2022/173051A1 |
The present invention comprises: a clamp part 2; an electrode E1 and an electrode E2 that face a cable CBL; a stabilization part 5 for connecting the electrode E1 to the ground via capacitors C1 and C2; an amplifying part A that amplifie...
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WO/2022/171269A1 |
The invention relates to a sensor unit (SE) which enables identification of fault currents (I) or interference in a conductor (L) being monitored in a power supply network, and to a corresponding method. The sensor unit (SE) has a curren...
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WO/2022/173720A1 |
An adjustable probe for plasma diagnostics is disclosed that includes a probe body extending along a probe axis, and a probe head adjustably coupled to the probe body and having a probing surface configured to contact a plasma in a plasm...
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WO/2022/171427A1 |
The invention relates to a resistor (1), in particular a low-ohm current-sensing resistor (1), having two connection parts (2, 3) made of a conductor material, and a resistor element (6) made of a resistive material. The resistor (1) fur...
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WO/2022/173148A2 |
The present invention drives a plurality of capacitances of the present invention, including a shielding capacitance (Cin_sd), to minimize the variation of the voltage detected by a CDA signal line (200), thereby improving the resolution...
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WO/2022/170158A1 |
A method of providing a user access to an enclosure with an absence of voltage testing device (AVT) includes initiating an absence of voltage test, determining whether the user has appropriate authorization, and providing access to the e...
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WO/2022/169009A1 |
A method for detecting a live wire through a smart watch, which is performed by a smart watch, according to an embodiment of the present invention may comprise the steps of: (a) collecting a geomagnetic field sensor measurement value thr...
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WO/2022/167405A1 |
The invention relates to a device (10) for detecting a voltage drop between an anode connection (6) and a cathode connection (7), comprising: a control capacitor (CK), of which the first electrode is connected to the anode connection (6)...
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WO/2022/169008A1 |
As a technical means of achieving a technical goal of the present invention, a smartphone application-based live wire detection method, performed by a terminal, comprises the steps of: (a) collecting a geomagnetic field sensor measuremen...
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WO/2022/164040A1 |
In a battery pack, a battery monitoring circuit is connected to a battery module including a plurality of battery cells to monitor the battery module. A detection sensor detects an electrolyte leaked from a battery module, and comprises:...
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WO/2022/161779A1 |
The invention describes a measurement device (110) for determining measurement information in relation to an input voltage (103). The measurement device (110) comprises a first input node (211) for coupling to a first pole of the input v...
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WO/2022/162924A1 |
A sensor circuit (3) comprises: a detection resistor connected to a wiring (23); a first terminal pair (31) constituted from terminal wirings connected respectively to both end parts of the detection resistor; a second terminal pair (32)...
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WO/2022/161476A1 |
Embodiments of the present application provide a terminal device, comprising: a housing (10) and a circuit board assembly located in the housing (10). The circuit board assembly comprises a power supply module, a detection unit (20), and...
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WO/2022/160572A1 |
An apparatus and method for measuring a conducted emission current of an ECU signal line. The apparatus comprises three parts, that is, a magnetic ring (4), a coil (10) and a spectrum analyzer (3), wherein the coil (10) is wound on the m...
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WO/2022/158757A1 |
Disclosed is a battery system diagnosis technology capable of effectively diagnosing, at an early stage, a defective battery cell among a plurality of battery cells included in a battery system. A battery system diagnosing apparatus acco...
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WO/2022/158845A1 |
The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transmission rate than a 4th generation (4G) communication system such as Long Term Evolution (LTE). According to various...
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WO/2022/154441A1 |
A battery management device, according to one embodiment of the present invention, comprises: a measurement unit for measuring, for every cycle, the voltage of a battery after discharging of the battery ends at a preset discharge end vol...
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WO/2022/152438A1 |
A method for testing one or more measuring devices n (42) for resources (43) of an energy system (4) is proposed, wherein the measuring devices n (42) are assigned to a common measuring device (41), characterized by at least the followin...
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WO/2022/150799A1 |
One aspect of the invention provides an electric heater including: a resistive heating element; a current transformer positioned around a portion of the resistive heating element or a lead thereto, the current transformer adapted and con...
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WO/2022/148959A1 |
A method of monitoring parameters of an electrical installation comprises performing plural successive iterations of a process in which a difference between a current set of one or more monitored parameters of the electrical installation...
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WO/2022/149770A1 |
A method for predicting a constant current discharge graph for a battery cell according to one aspect of the invention comprises the steps of: measuring a first time required for the voltage of the battery cell to decrease to a first dis...
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