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WO/2023/085906A1 |
The present invention relates to a battery SOH estimation system. More specifically, the present invention relates to a battery state of health (SOH) estimation system comprising: a DB for receiving and storing a voltage value and a curr...
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WO/2023/086268A1 |
A method of processing power signals is provided. The method includes: receiving an analog poly-phase signal associated with power delivered using alternating current (AC); converting the analog poly-phase signal to a digital poly-phase ...
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WO/2023/085536A1 |
The present invention relates to a direct current arc current detection sensor for installation in a large-capacity direct current circuit and a direct current arc detection device using same, which may be employed in a large-capacity di...
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WO/2023/068729A1 |
The present invention relates to an operating method for a user terminal operating by at least one processor, wherein an information registration menu screen is displayed in a bus information provision application executed according to a...
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WO/2023/068419A1 |
The present invention relates to a software noise filtering method and an apparatus for measuring a conduction current of a power cable by using same and, more particularly, to a software noise filtering method for sampling pieces of dat...
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WO/2023/060638A1 |
A multi-band resonant frequency tracking circuit applied to ultrasonic machining, comprising an output current and voltage phase difference direction detection circuit and a multi-band resonant frequency tracking circuit. A detection sig...
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WO/2023/058923A1 |
Disclosed in an embodiment of the present invention are a slot-extended PIM measurement device and an automatic PIM measurement method using same. The disclosed PIM measurement device comprises: a plurality of RF units (140-1 to 140-12) ...
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WO/2023/050288A1 |
Disclosed in the present application are a detection circuit and a related electronic apparatus. A detection circuit (102) is used for determining the amplitude of a received signal that is generated by a receiver (104) after same receiv...
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WO/2023/045469A1 |
A power grid frequency detection method, an apparatus, a power grid frequency adjustment method, and an apparatus. The power grid frequency detection method comprises: transforming a collected three phase voltage of a grid connection poi...
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WO/2023/044442A1 |
A system and method for compensating for drift in a switch gear voltage sensor. The system includes a circuit, and an electronic processor. The circuit is configured to receive a first signal from a first capacitor of the voltage sensor ...
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WO/2023/036090A1 |
A pulse width modulation signal acquisition method and apparatus, a computer device, and a storage medium. The method comprises: obtaining an initial count value within a pulse width modulation signal pulse period on the basis of an init...
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WO/2023/030387A1 |
Provided is a method for suppressing 24th-order noise of an electric motor on the basis of harmonic current injection. The method comprises: converting a three-phase current of an electric motor, which is collected by a three-phase curre...
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WO/2023/017726A1 |
This spectrum analysis program causes a computer system to execute: the generation of first frequency spectrum data obtained by taking, from a wireless signal, continuous values of frequency values by means of an AF method; the generatio...
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WO/2023/010206A1 |
A phase-frequency detector comprises first transistor branch generating a first intermediate signal based on an input frequency signal, another first transistor branch generating a second intermediate signal based on a reference frequenc...
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WO/2023/012784A1 |
A system for time-frequency separation based on image analysis of one or more spectrograms of multiple radio signals received over time from one or more emitters, the system comprising a processing circuitry configured to: determine, usi...
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WO/2023/013820A1 |
The present invention relates to a near-field measurement system for measuring the output of an antenna through a scanner, the system comprising: a signal analysis unit for generating a low-frequency signal for measurement of the output ...
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WO/2023/008790A1 |
Disclosed is an antenna performance test system for testing the performance of a UWB antenna and a BLE antenna by reflecting a loss of a cable without changing test conditions. The disclosed antenna performance test system comprises a te...
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WO/2023/006439A1 |
The invention relates to an analysis device for analysing the state of a differential current sensor sensitive to universal current, having a magnetic-field-sensitive component and at least one main winding, wherein the differential curr...
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WO/2023/003244A1 |
The present invention relates to a battery fire prevention and diagnosis system comprising: an ultra high frequency (UHF) sensor provided inside or outside a battery so as to measure radiated electromagnetic waves; a data acquisition uni...
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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/2023/282620A1 |
Disclosed are a high-voltage direct current (HVDC) cable partial discharge diagnosis system and method. The HVDC cable partial discharge diagnosis system according to one aspect of the present invention comprises: a sensor provided on an...
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WO/2023/277447A1 |
A method for correcting a scattering coefficient measurement error, which is caused by a dimensional error of a line standard and a pin gap formed at a port connection of a vector network measurer and a calibration reference object used ...
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WO/2022/271518A1 |
System and method for compensating for power loss due to a radio frequency (RF) signal probe mismatch in conductive RF signal testing of a RF data signal transceiver device under test (DUT). Sourcing the RF test signal with the RF vector...
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WO/2022/272152A1 |
A test and measurement instrument includes one or more sensors configured to measure a mechanical position of a synchronous machine driven by analog three-phase signals, a converter to determine an instantaneous electrical angle from the...
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WO/2022/267437A1 |
A harmonic measurement method and apparatus (100), a variable-frequency drive (200) and a storage medium. The harmonic measurement method comprises: acquiring a ripple component of a direct-current bus voltage (S101); acquiring a harmoni...
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WO/2022/258456A1 |
Disclosed is a power supply (1) for an LED load (2), comprising an isolating transformer (13) configured to inductively transfer power of a rectified mains supply (17) from a primary side (11) of the power supply (1) to a secondary side ...
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WO/2022/255621A1 |
According to one embodiment, an electronic device comprises a DC supply, an RF power supply, and at least one processor operatively connected to the DC supply and the RF power supply. The at least one processor may: determine a current l...
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WO/2022/253629A1 |
The invention concerns a frequency monitoring circuit for monitoring an arbitrary AC-input signal, comprising: an AC signal input (1); a resettable circuit (2) comprising a capacitor (3), a reference power supply (4, 4'), and a discharge...
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WO/2022/245004A1 |
The present invention relates to a method for diagnosing a bearing fault on the basis of a current signal, and a device for performing the method. The method for diagnosing a bearing fault on the basis of a current signal comprises the s...
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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/2022/238465A1 |
Optoelectronic device for extracting characteristics contained in the spectrum of continuous or pulsed, noisy, analog radiofrequency signals, forming an analog input signal, the device comprising: - an input module generating an optical ...
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WO/2022/223485A1 |
The invention relates to a method for manufacturing a device comprising a diamond crystal (15), said method comprising the steps of: - making available a substrate, - growing a crystalline diamond layer on the substrate, the layer having...
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WO/2022/221022A1 |
The described systems and related test methods provide significant improvement in test accuracy, as well as reduction of test time for Electromagnetic Environmental Effects (E3) system level testing. Systems may include a real time spect...
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WO/2022/220335A1 |
According to an embodiment, provided is a method for determining impedance characteristics, the method comprising the steps of: determining a test signal in the frequency domain, the test signal representing the amount of energy in a fre...
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WO/2022/215502A1 |
A signal measurement device (100) measures a periodic signal (S1) under measurement. A multitone signal generator (110) generates a multitone signal (S2) including a plurality of frequencies f1, f2, …, fn. Each of the plurality of freq...
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WO/2022/211181A1 |
The present invention relates to an electrostatic charge measurement sensor module and an electrostatic charge monitoring system using same, wherein an electrostatic charge existing in a static electricity removal device, an object to be...
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WO/2022/203107A1 |
A system for supplying power to a negative-pressure container, according to the present invention, comprises a first power supply module and a second power supply module. A power quality analysis module extracts information about power s...
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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/2022/184498A1 |
The invention relates to an apparatus having a six-port circuit, a delay device and a computing device, wherein: the delay device is designed to split an input signal into a first input signal and a second input signal, to delay the firs...
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WO/2022/183073A1 |
A test and measurement system includes a primary instrument having an input for receiving a test signal for measurement or analysis from a Device Under Test (DUT) and generating a test waveform from the test signal, and a duplicator for ...
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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/2022/174046A1 |
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/2022/167889A1 |
A method for frequency estimation in a power system. The method includes detecting a condition of the power system, applying a first estimation process to a voltage signal of the power system responsive to a normal condition being detect...
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WO/2022/169033A1 |
The present invention relates to an electromagnetic wave measurement device for estimating a near-field electric field by using a far-field electric field, and provides an electromagnetic wave measurement device for estimating a near-fie...
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WO/2022/164496A1 |
A method for improving the accuracy of a final inspection (FI) test of an acoustic wave device includes gating the feedthrough/cross-coupling (e.g., electromagnetic (EM) path) signal of the FI test data response for the tested acoustic w...
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WO/2022/160236A1 |
The present invention provides a carrier synchronization system and method of an inverter back-to-back test bench based on a virtual motor, and a computer-readable storage medium. The carrier synchronization system comprises: a current s...
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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/2022/148261A1 |
A tunable coupler, a calibration method and device (10) therefor, a quantum measurement and control system, and a readable storage medium. In the calibration method, the frequency of the tunable coupler is not directly represented, the m...
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WO/2022/145635A1 |
The present invention aims to provide a method for calculating information about characteristics of a SAW resonator by using a SAW transmission line model, and a recording medium readable by a computing device having the method recorded ...
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WO/2022/139555A2 |
The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transmission rate than that of a 4th generation (4G) communication system, such as long term evolution (LTE). According t...
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