| Document |
Document Title |
|
WO/2023/109300A1 |
A battery level calibration method, an electronic device, and a storage medium. The method comprises: after an electronic device is turned on, first obtaining a turn-off type when the electronic device is last turned off (S101); when the...
|
|
WO/2023/114054A1 |
Techniques for generating simulated waveforms for an electric meter include operating a meter in simulation mode without an external load device connected to the meter. Simulated waveforms are generated for a number of channels based on ...
|
|
WO/2023/109064A1 |
A gradient sensitivity correction method and system. The method comprises: acquiring a three-dimensional image of a die body, wherein the three-dimensional image is collected by using an MRI device, and the die body has a known actual si...
|
|
WO/2023/104314A1 |
Embodiments according to the invention comprise an Automated Test Equipment (ATE) for mitigating an influence of a mismatch loss in a measurement setup, the setup comprising a source (110), a measurement device (120), and a first transmi...
|
|
WO/2023/106592A1 |
An embodiment of the present invention can provide a high-efficiency, high-stability, and high-reliability battery condition monitoring device and method and battery protection device, the battery protection device comprising: a first cu...
|
|
WO/2023/085920A1 |
Methods and systems for monitoring an alternator are disclosed. A method of monitoring an alternator comprises: receiving alternator output data indicating an electrical output of an alternator; estimating an expected excitation current ...
|
|
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...
|
|
WO/2023/066369A1 |
A module power-on test device for an electricity meter based on the Internet of Things, the device comprising a base (1), pins (13), a lifting device and a limiting device. Insertion holes in a surface of a module (35) to be tested corre...
|
|
WO/2023/046334A1 |
The invention relates to current sensor diagnostics in an electric drive system. According to the invention, a net current is formed from the sensor values provided by the current sensors. If this net current deviates significantly from ...
|
|
WO/2023/045790A1 |
An SOC calibration method, a modeling method, a modeling apparatus, a computer device and a medium. The modeling method comprises: extracting, on the basis of Internet of Vehicles data, historical vehicle data of vehicles of different mo...
|
|
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 ...
|
|
WO/2023/044164A1 |
An electricity usage monitor may include a coupling component to attach the electricity usage monitor to an electrical circuit to monitor electricity usage of the electrical circuit, an analog-digital converter (ADC) configured to conver...
|
|
WO/2023/040557A1 |
Provided in the present invention is an error detection apparatus for a pulsating harmonic signal direct-current transformer. The apparatus comprises a direct current and pulsating harmonic current output module and an external tested in...
|
|
WO/2023/044107A1 |
Systems, devices, methods, and techniques for self-correcting current measuring are disclosed. Advanced material inductive measuring devices can obtain a reading of a monitored current in a monitored source. The advanced material allows ...
|
|
WO/2023/029716A1 |
A high-precision measurement method and system for a voltage transformer. The method comprises the following steps: acquiring a system error of a measurement system (S101); performing series resonance on the measurement system in a low-v...
|
|
WO/2023/030727A1 |
The present invention relates to a method for checking the plausibility of a current measurement in a power system and to a power system, the method involving: determining a current flowing between an electrical energy store (20) and an ...
|
|
WO/2023/031431A1 |
Filters are made from real components, such as resistors and capacitors, and tolerances in their values significantly affect the way in which the filter modifies the signal passing through the filter. This disclosure relates to a way of ...
|
|
WO/2023/025994A1 |
The invention relates to a method for checking a device for testing the capacity of an auxiliary battery intended to supply electrical power to the safety components of an electric vehicle, the test device implementing a test procedure (...
|
|
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 ...
|
|
WO/2023/017058A1 |
A method for calibrating a magnetic sensor and/or a calibrating magnet, said sensor, when subjected to a magnetic field (I) exhibiting an output voltage V governed by (II), wherein V o denotes an offset voltage of the magnetic sensor, an...
|
|
WO/2023/010790A1 |
A measurement correction method and apparatus for a sensor, and a server power supply. The method is applied to a sensor comprising a shunt resistor and a differential amplifier, and comprises: performing compensation verification on the...
|
|
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 ...
|
|
WO/2023/001513A1 |
The invention relates to an electrical current-measurement verification circuit (100) for a DC current clamp (1), comprising: at least one electrical conductor (101) having at least one winding (101a) configured to be placed around a jaw...
|
|
WO/2023/284679A1 |
An apparatus and method for calibrating a complex frequency response of a sampling oscilloscope, by means of which the problems of poor calibration precision and high uncertainty of existing apparatuses and methods are solved. The appara...
|
|
WO/2023/273249A1 |
A TSVM-model-based abnormality detection method for an automatic verification system of a smart electricity meter, the method comprising the following steps: S1, performing feature extraction on error experimental data of a verification ...
|
|
WO/2023/277242A1 |
A current measuring device, according to the present invention, is for measuring the total current flowing through a metal bar (10) by using the metal bar (10) and a current sensor module (20) coupled thereto. The metal bar (10) has a re...
|
|
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 ...
|
|
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...
|
|
WO/2022/270508A1 |
A magnetism measurement device according to the present invention includes: a first magnetic sensor (An) that detects magnetism acting along a first direction, the first direction being chosen arbitrarily; a second magnetic sensor (Bn) t...
|
|
WO/2022/256713A1 |
An input selector for electrically connecting one of a plurality of test signals from a device under test to a test and measurement instrument includes a multiplexer having multiple inputs, each of the multiple inputs coupled to a differ...
|
|
WO/2022/247088A1 |
A source-free calibration method for a smart meter, comprising: generating voltage by a stabilized voltage supply and inputting the voltage to a load having a specified power factor; separately using a standard commercial electricity met...
|
|
WO/2022/247087A1 |
An electric energy quality monitoring system of a smart meter, comprising: an electric energy acquisition terminal, a cloud server and a human-computer interaction system. The electric energy acquisition terminal communicates with the cl...
|
|
WO/2022/245293A2 |
A parameter calibration method is provided. The parameter calibration method includes: obtaining a control parameter to be calibrated; determining a simulation running error corresponding to a quantum chip; determining calibration data c...
|
|
WO/2022/237467A1 |
A current sampling circuit having the function of in-chip real-time calibration. The current sampling circuit is used for measuring a turning-on current of a driving transistor (100), and comprises a first resistor (1), a second resistor...
|
|
WO/2022/239621A1 |
Provided is a sensor device with which temperature compensation of the sensitivity of a bridge circuit can be performed arbitrarily over a wide sensitivity range. A sensor device 1A comprises a bridge circuit 2, a bias circuit 3, and a d...
|
|
WO/2022/238498A1 |
A first method (100) of providing a secondary reference for subsequent use in evaluating a power measuring accuracy of a wireless power measurement device (60) under test is presented. An inanimate calibration object (50) is subjected (1...
|
|
WO/2022/233529A1 |
A method for checking the plausibility of a current measurement between an electrical energy storage system and an electrical consumer is described, wherein a capacitor and a switching element are arranged between these two elements, the...
|
|
WO/2022/231340A1 |
Various embodiments disclosed herein provide a calibration port for multiple RF lines and an electronic apparatus including same. According to the various embodiments disclosed herein, a calibration connector for multiple RF lines may be...
|
|
WO/2022/225186A1 |
The present invention relates to a current measuring device comprising: a plurality of unit modules which are provided with mutually different grounds and are connected in series; a power unit which supplies high-voltage DC or AC power t...
|
|
WO/2022/222583A1 |
A calibration apparatus and method for antenna impedance detection, aiming to solve the problem of how to independently calibrate different terminal devices, and improve the accuracy of impedance detection after calibration. The calibrat...
|
|
WO/2022/213877A1 |
A loop iteration calibration method and a test device (10) using same. The loop iteration calibration method comprises: an inner loop step (S10) and an outer loop step (S20). The inner loop step (S10) comprises: adjusting input power of ...
|
|
WO/2022/207531A1 |
The invention relates to a method for correcting the variation in open-circuit voltage due to aging of an electrochemical element exhibiting a state-of-charge - open-circuit-voltage characteristic with a flat portion comprising a referen...
|
|
WO/2022/199349A1 |
A recursive iteration-based digital source quantization error reduction method, apparatus, and device, a storage medium, and a computer program product. The method comprises: determining an ideal continuous sinusoidal signal according to...
|
|
WO/2022/198896A1 |
A current transformer composite error testing apparatus, comprising: a testing platform (1), a testing groove (11) disposed on the testing platform (1), and at least two testing assemblies (12) disposed on the testing groove (11), each t...
|
|
WO/2022/204277A1 |
A probe card comprises a support element that has a first side and a second side opposite the first side. A plurality of probe tips extend outward from the first side of the support element, the probe tips configured to make contact with...
|
|
WO/2022/198919A1 |
An out-of-tolerance event recording method and apparatus for a double-core smart electric meter, and a computer device. The out-of-tolerance event recording method comprises: acquiring real-time error self-monitoring data from a metering...
|
|
WO/2022/194847A1 |
The present invention relates to a variable length vertically stacked nested waveguide device, comprising a series of, N, waveguide components. Each waveguide component comprises a waveguide layer comprising a waveguide opening, a recess...
|
|
WO/2022/197417A1 |
An RF power detector controls an amplitude of a replica input signal so that a power of the replica input signal substantially equals a power of an input signal to the RF power detector. A signal generator generates the replica input sig...
|
|
WO/2022/168425A1 |
A calculation unit (25) calculates a detected value of capacitance of a capacitor (Crg) on the basis of a detection signal (Dm). A correction unit (26) repeatedly transitions to a correction mode, and if transitioned to the correction mo...
|
|
WO/2022/152691A1 |
The invention relates to a method and a device for detecting changed measurement behavior of a current-measuring device having a magnetic core and at least one sensor, the magnetic core (200) having a through-opening (400), through which...
|
