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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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WO/2022/131849A1 |
The present embodiment provides an arc test device comprising: an arc generating device including a first metal rod and a second metal rod arranged so as to face each other in one direction in a current path, a first body which is fixedl...
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WO/2022/130917A1 |
This signal calibration device 1 comprises a signal acquisition unit 10 for acquiring an output signal, a time window segmenting unit 12 for segmenting the output signal using a plurality of time windows, a window function multiplication...
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WO/2022/121809A1 |
A method and a device for calibrating the frequency of a superconducting qubit, and a readable storage medium. Said method comprises: applying a microwave signal to a superconducting qubit, and acquiring an initial oscillation frequency ...
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WO/2022/124545A1 |
The present invention relates to a heat dissipation fan fault-display device, which uses induced electromotive force generated when a heat dissipation fan rotates using electromagnetic induction, so as to drive an LED, and thus allows, w...
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WO/2022/122594A1 |
Device (D) for wide-band spectral analysis of a signal of interest, comprising: - a source (S) for generating the signal of interest (Si); - an optical splitter element (ES) for spatially separating the signal of interest into a first si...
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WO/2022/120021A1 |
A method for validating operation of a driver integrated circuit includes providing a signal using an output node. The signal is provided using multiple set points in response to a change in state of an input signal. Each set point corre...
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WO/2022/115107A1 |
In one embodiment, a computer-program product embodied in a non-transitory computer readable medium that is programmed for performing active vibration cancellation (AVC) in a moving vessel is provided. The computer-program product includ...
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WO/2022/106330A1 |
The invention relates to a spectrum analyser (10) having: a signal input means or receiver (11) for receiving a signal; an analogue-to-digital converter (12) which is designed to scan the received signal and to generate a data stream of ...
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WO/2022/108111A1 |
Disclosed in the present invention is a technology capable of diagnosing a battery with high accuracy by using a Nyquist plot. A battery diagnosis apparatus according to one aspect of the present invention comprises: an impedance measuri...
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WO/2022/107100A1 |
The present invention relates to a method for auto-detecting an induction motor fault comprising measuring the current supplied to the induction motor to obtain a current signal data in a time domain, converting the current signal data i...
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WO/2022/107974A1 |
A system according to various embodiments may comprise: a first electronic device which is in contact with a first cable from among a plurality of cables; and a second electronic device spaced apart from the plurality of cables and locat...
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WO/2022/099855A1 |
A motor fault monitoring device (10) applied to a driving motor for oilfield operations, comprising: a signal acquisition module (1) configured to acquire operation data of the driving motor during use, and comprising a vibration signal ...
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WO/2022/092726A1 |
A circuit determination system using a power bit signal is provided. A circuit determination system using a power bit signal, according to one embodiment of the present invention, comprises: a transformer using an alternating current to ...
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WO/2022/091331A1 |
A frequency detector comprising an FFT device for calculating N Fourier transform results from N items of sampling data, and a detector for detecting an index which is the order of a frequency at which amplitude is at maximum, wherein th...
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WO/2022/091329A1 |
A frequency detector according to this disclosure comprises an FFT device for calculating N Fourier transform results from N items of sampling data and a detector for detecting an index that is the order of a frequency from among the Fou...
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WO/2022/085946A1 |
Provided are an induction heating-type aerosol generation device having a suitability assessment function with respect to an aerosol generation article, and a method for controlling same. An induction heating-type aerosol generation devi...
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WO/2022/052187A1 |
An online grinding frequency measurement system, comprising a frequency measurement test function and an online frequency measurement function. The frequency measurement test function comprises a single frequency sweep dual-resonance fre...
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WO/2022/049092A1 |
A method for providing a frequency of an electrical quantity in an electrical power system comprises obtaining (30), with respect to a first time, a first discrete Fourier transform, DFT, phasor of an electrical quantity in the electrica...
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WO/2022/043101A1 |
The invention relates to a method for monitoring the state of an electric machine (2), wherein, within a defined frequency range ((f1, f2), (f3, f4)), for example in a spectrogram (100, 101) of a current amplitude (I(f,t)), a frequency p...
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WO/2022/039775A1 |
Disclosed embodiments relate to sensing states and changes of states of a signal and sensors for the same, including but not limited to, autonomous sensors. Such sensor may include an analog signal threshold detection circuit, a state de...
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WO/2022/025874A1 |
A prediction system predicts a failure time of a mechanical system of interest in real-time. A sensor/sensors array senses a characteristic of the mechanical system of interest. An artificial neural network system includes an artificial ...
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WO/2022/025399A1 |
A transmission tower monitoring system is provided. The transmission tower monitoring system has a plurality of contactless couplers installed on optical fiber composite overhead ground wires installed on a plurality of transmission towe...
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WO/2022/016300A1 |
A finite complex signal measurement system and a high-precision decomposition method, particularly a measurement system for a frequency, an amplitude, and an initial phase of a harmonic component of a finite complex signal, comprising a ...
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WO/2022/015114A1 |
The disclosure relates to an RFIC apparatus, and more particularly, to an RFIC circuit having a test circuit, a test apparatus, and a test method thereof. Further, the disclosure relates to a method for estimating or determining a DC gai...
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WO/2022/014741A1 |
The present invention relates to a device for lossless detection of wideband partial discharge and noise removal, the device comprising: a partial discharge generation timing pulse acquisition unit for acquiring a generation timing pulse...
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WO/2022/012761A1 |
The present invention relates to a method for partial discharge recognition in high voltage applications and a high voltage unit using the method, comprising the steps detecting a signal, transforming the signal from time to frequency do...
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WO/2022/011190A1 |
A system for verifying signals in electronic circuits that includes a waveform translator and a test-and-measurement instrument. The waveform translator is configured to receive a simulated waveform for a node of a simulated prototype ci...
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WO/2022/005815A1 |
An apparatus may include one or more measurement sensors, which may measure power coupled to one or more process stations of the apparatus. The apparatus may additionally include one or more analog-to-digital converters coupled to an out...
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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/2021/252869A1 |
A system includes an input to receive a digital waveform signal, a memory, and one or more processors configured to execute code to cause the one or more processors to: generate a horizontal ramp sweep signal based on the digital wavefor...
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WO/2021/251739A1 |
Provided are an arc detection system and method capable of providing reliability and safety. The disclosed arc detection system comprises: a current sensing unit for sensing a current flowing in a line; and an arc detector for detecting ...
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WO/2021/252873A1 |
A system to classify signals includes an input to receive incoming waveform data; a memory, and one or more processors configured to execute code to cause the one or more processors to: generate a ramp sweep signal from the incoming wave...
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WO/2021/246125A1 |
This optical waveform measurement device comprises: a detection means (13) for detecting candidates of a light-amount fluctuation frequency of a measurement target (100); a frequency determination means (14) for determining the light-amo...
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WO/2021/240639A1 |
An embodiment of the present invention provides a system frequency detector provided with: an orthogonal-coordinate-signal generation unit that generates orthogonal two-phase voltage signals from three-phase voltage signals in an electri...
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WO/2021/241848A1 |
A disclosed display apparatus according to an aspect comprises: a cooling fan comprising a motor; a pulse detection unit that detects a pulse signal output from the motor by the rotation of the cooling fan and counts the number of high p...
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