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Patent Searching and Data


Matches 1 - 50 out of 153,437

Document Document Title
WO/2021/006571A1
The purpose of an apparatus for detecting a defect in a battery pack, according to one embodiment of the present invention, is to provide an apparatus and a method for detecting a defect in a battery pack, whereby a battery cell in which...  
WO/2021/006627A1
Disclosed is an apparatus for inspecting an element, comprising: one or more test units (100) including a plurality of test modules (110) on which elements (1) are mounted, and in which test sockets (111) for inspection are arranged in a...  
WO/2021/005969A1
According to the present invention, for the purpose of widening the range of use of State of Charge (SOC) of a secondary battery, the upper limit is increased or the lower limit is decreased. On the basis of at least one of the cycle det...  
WO/2021/006609A1
Disclosed is a test device for testing electric characteristics of an object-to-be-tested. The test device includes: a test socket including a probe configured to transmit a test signal to the object-to-be-tested; and a pusher unit confi...  
WO/2021/007405A1
A tool is presented herein capable of performing several electrical measurements and generating several electrical outputs. The tool can be configured to perform measurements and provide outputs most commonly utilized when developing and...  
WO/2021/006288A1
A transient thermal characteristic analysis device (1) analyzes transient thermal characteristics of a power module (40) on the basis of time-sequential data which is junction temperatures sampled at an equal linear time interval in a he...  
WO/2021/004211A1
Disclosed in embodiments of the present application are a service protection method, apparatus and system. The method comprises: duplicating service data at a sending end into two copies, and transmitting same respectively by means of a ...  
WO/2021/003775A1
Disclosed is a method for testing internal arcing resistance of a direct-current high-speed switch. The method comprises the step of constructing a test loop and the step of carrying out a test operation. The test loop comprises a short-...  
WO/2021/003774A1
A method for evaluating the comprehensive performance of a direct current high-speed switch, comprising: an internal arcing resistance performance detection test, used for determining whether the burning resistance performance of a teste...  
WO/2021/006956A1
Systems for probing superconducting circuits, including using a non-magnetic cryogenic heater, are disclosed. A system including a circuit board having a socket and a heater, mounted on the socket, is provided. The heater includes a resi...  
WO/2021/006859A1
Briefly, embodiments of a system, method, and article for estimating a true state of charge (SOC) measurement for a battery based, at least in part, on a measurement of a rate of change of current supplied to the battery at a particular ...  
WO/2021/005892A1
This semiconductor device inspection method comprises: a step for detecting light from a plurality of positions in a semiconductor device D, and acquiring a waveform corresponding to each of the plurality of positions; a step for extract...  
WO/2021/004184A1
In the power monitoring device of the present invention, there is a plurality of tube bodies on the inner surface of a first housing, there is a lead seal snap on the outside of the top of the first housing; on the top of the inner side ...  
WO/2021/006566A1
A battery cell diagnosis device according to one embodiment of the present invention can comprise: a voltage measurement unit for measuring the voltage of each battery cell of a battery module in the open-circuit voltage state of a batte...  
WO/2021/006708A1
The present invention relates to a device and method for diagnosing the state of a battery pack and, more specifically, to a device and method for diagnosing the state of a battery pack on the basis of the states of charge of battery mod...  
WO/2021/004430A1
A semiconductor surface state carrier lifetime testing method comprises the following steps: 1) transmitting light pulses by using a narrow pulse source having a photon energy level greater than a semiconductor band gap, and coupling, by...  
WO/2021/006860A1
Briefly, embodiments of a system, method, and article for estimating a state of health (SOH) measurement of a battery. Current supplied to or withdrawn from a battery may be measured while a charge or discharge voltage of the battery is ...  
WO/2021/002933A1
The described technology provides a method for dynamically adjusting operating voltage of a device, including receiving device characteristics data related to a device, performing a margining test for the device to generate a performance...  
WO/2021/000520A1
A method for measuring the status of capacity of an automobile battery pack. The method is specifically as follows: a BMS controller controlling a controllable switch to close, so that a constant-current source supplies a constant calibr...  
WO/2021/000682A1
A direct current (DC) islanding detection method based on positive feedback of a bus voltage having a specific frequency, which is mainly composed of three parts, comprising: a bus voltage specific frequency component extraction link, a ...  
WO/2021/002690A1
The present invention relates to a test socket used for measuring electrical properties of an electric element. The present invention provides a test socket disposed between opposing terminals to electrically connect the terminals, the t...  
WO/2021/001046A1
A method for controlling electrical connection of at least two battery packs (202, 203) of an energy storage System (200) of a vehicle (201) to a common load during operation of the vehicle, each one of the battery packs being connectabl...  
WO/2021/002898A1
In some examples, an apparatus includes a controller to monitor voltage of a battery during constant current charging of the battery, and to detect lithium plating of the battery based on a rate of change of the monitored voltage of the ...  
WO/2021/002914A2
Systems, methods, and computer readable medium described herein relate to techniques for characterizing and/or anomaly detection in integrated circuits such as, but not limited to, field programmable gate arrays (FPGAs) and application-s...  
WO/2021/002572A1
A probe block assembly for inspecting a display panel, according to the present invention, may comprise: a plurality of probe blocks being in contact with a plurality of electrode pads of a display panel so as to inspect whether there is...  
WO/2020/207513A3
A testing apparatus for evaluating the emission performance of a semi-conductive blocking material, comprising a vacuum control system and a performance testing system. The performance testing system comprises a testing chamber (3), a te...  
WO/2021/002916A1
A method for automatically categorizing disturbances in an electrical system includes capturing at least one energy-related waveform using at least one intelligent electronic device in the electrical system, and processing electrical mea...  
WO/2021/000905A1
A battery state monitoring method, an edge processor, a system, and a storage medium. The method comprises: receiving real-time operation data of a battery acquired by a battery management system and battery state data calculated and obt...  
WO/2019/217625A9
A breaker between two electrical circuits is provided that is closed when electrical properties in both of the electrical circuits are matching. Two check circuits are provided for comparing electrical properties of the two electrical ci...  
WO/2021/000762A1
Provided are an inspection apparatus and method for a water heater main control board. The inspection apparatus comprises a simulation device (10) and a first single chip microcomputer (30); a water heater main control board comprises a ...  
WO/2020/262082A1
In an earth leakage detecting device (10), in order to shorten the period in which the voltage of a measurement point is outside a measurement range, a coupling capacitor (Cc) is isolated from earth and has one end thereof connected to a...  
WO/2020/261385A1
In the present invention, an emitter main terminal (3) is connected by a plurality of first bonding wires (15) and an emitter electrode surface (12) of a power semiconductor element (1). An emitter reference terminal (4) is connected by ...  
WO/2020/258015A1
There is provided an emergency lighting testing module and method for routinely testing an emergency lighting system. The testing module receives a status signal from the emergency lighting system, where the status signal indicates a sta...  
WO/2020/262787A1
A method for detecting an internal short-circuited cell according to various embodiments comprises the steps of: periodically generating voltage values and current values of respective multiple battery cells which are electrically connec...  
WO/2020/263816A1
Systems and methods for use with a battery having an electronic system connected to a battery network configured to generate a state variable associated with the receiving, storing and/or outputting of electricity by the battery. The sys...  
WO/2020/260087A1
The invention relates a method of controlling a component handler (10) of an automated motion system, for picking up a component from a pick-up position. The component handler (10) comprises a calibrated actuator (20)and a component hold...  
WO/2020/261596A1
A disconnection detection device (1) according to an embodiment of the present invention is provided with: a CR filter (4); a discharge circuit; and a detection unit (3). The CR filter (4) is provided for respective battery cells (B1, B2...  
WO/2020/258311A1
Disclosed are a test method and device for nonlinear parameters of a motor. The method comprises: exciting the vibration of a motor by using an excitation signal; performing synchronous information acquisition on the motor in a vibrating...  
WO/2020/259096A1
A method, a device and a system for estimating the state of power of a battery, and a storage medium. The method comprises: determining a current state of charge (SOC) value of a battery and a current battery temperature (S210); acquirin...  
WO/2020/261799A1
A battery management circuit (105) includes: a reference signal generation unit (109) that generates first and second reference frequency signals of different phases; an alternating-current superimposition unit (104) that superimposes an...  
WO/2020/260284A1
The invention relates to a device and a method for monitoring a DC link capacitor (CZK) in an electrical DC link of a circuit (1) operated on a mains voltage Vac, the circuit comprising a power factor correction filter (PFC) and an inver...  
WO/2020/259039A1
A state-of-charge correction method and device. The state-of-charge correction method comprises: determining the working state of a single cell, wherein the working state comprises the discharging state or the charging state (S101); and ...  
WO/2020/261680A1
Provided are: a secondary battery system that is capable of, without undergoing complete electric discharge, detecting a high-resistance state of the internal resistance and changing the state to a low-resistance state; and a power sourc...  
WO/2020/262754A1
The present invention relates to a bidirectional-direct current power cutoff control device of arc accident leakage current detection type, comprising: a bidirectional switch unit provided between a direct current power source and a load...  
WO/2020/260636A1
Examples of operating an Intelligent Electronic Device (IED) during power swings, are described. In an example, voltage measurements for a phase is received and sampled. Root mean square (RMS) values of the voltage samples is calculated ...  
WO/2020/261435A1
Provided is a degradation prediction device for a storage battery with which it is possible to predict the degradation of a storage battery without constructing a degradation prediction model that takes into account various degradation f...  
WO/2020/257958A1
A glitch signal detection circuit, a security chip, and an electronic device. The glitch signal detection circuit (100) comprises a voltage sampling module (210). The voltage sampling module (210) comprises a first metal oxide semiconduc...  
WO/2020/259253A1
An analysis device for a detection chip, and an operation method and an analysis system thereof. The analysis device comprises a base and a control module. The control module comprises a positioning sub-module, an operation sub-module an...  
WO/2020/264109A1
The inventive technology is directed to testing of printed circuit boards (PCBs). Contact resistance can be increased or become intermittent in presence of flux (e.g., Organic Solderability Preservative or OSP) over the test points. Ther...  
WO/2020/260674A1
The invention relates to a device for monitoring shielded DC power cables comprising a first circuit, a second circuit, a measuring device for measuring a parameter of the first circuit, and a measuring device for measuring a parameter o...  

Matches 1 - 50 out of 153,437