Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 17,879

Document Document Title
WO/2021/005074A1
The invention relates to an impedance spectroscopy sensor (10), comprising: a carrier plate (12) having a media side (14) facing a medium during the measuring operation and having a connection side (16) opposite the media side (14) for e...  
WO/2021/003577A1
Various embodiments are described herein for measuring the impedance properties of a load using load analysis signals. In one example embodiment, a transformer is provided which includes at least one primary winding, and at least one sec...  
WO/2021/004338A1
The present disclosure provides a resistor fixture and a resistance adjustment machine, pertaining to the technical field of laser trimming. The invention alleviates the technical problem in which when laser is used to perform trimming, ...  
WO/2021/004282A1
Provided are a method, apparatus and system for measuring a resistance parameter of a grounding system, and a monitoring network. The method comprises: inputting a driving current into a plurality of sections of a grounding system path (...  
WO/2021/001002A1
A method for estimating components of a grid impedance, Z, of a power grid (1) being coupled to a power generating unit at a point of interconnection (4) is disclosed. A voltage, Vmeas, across the point of interconnection (4); an active ...  
WO/2021/003486A1
A ratio metric (RM) approach to providing the current sensing function of service currents to smart metering applications results in an RM current sensor assembly and RM differential current sensor assembly that can replace prior art sen...  
WO/2021/003449A1
This disclosure describes an elastic multi-contact probe that includes conductive strips each of which comprises a conductive elastomer; dielectric strips formed on a back surface of a respective conductive strip; and a layer of a thermo...  
WO/2020/259200A1
The present disclosure belongs to the technical field of displays, and provides a stretchable display substrate and a manufacturing method therefor, a display device, and an operation method. The stretchable display substrate comprises m...  
WO/2020/262167A1
In the present invention, an electrostatic capacitance detection unit comprises a charging/discharging circuit for detecting electrostatic capacitance between an electrode and object. A processing unit controls the operation of the charg...  
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/2020/264109A1
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/2020/262075A1
An electrostatic capacitance detection unit (12) comprises a charge/discharge circuit (121) for detecting electrostatic capacitance between an electrode (11) and an object (2). A processing unit (131) controls the operation of the charge...  
WO/2020/258835A1
A detection method and system for insulation aging degree of superconducting cable. The detection method comprises: applying excitation voltages of different frequencies on a sample, and calculating a dielectric loss angle tangent corres...  
WO/2020/263447A1
An example method measures a leakage characteristic of a signal path. The example method includes forcing a current onto the signal path; determining a parasitic capacitance of the signal path based on a rate of change of a voltage on th...  
WO/2020/258802A1
Provided is a method for calculating iron loss resistance of a variable frequency motor while considering PWM harmonic waves, which falls within the field of loss analysis and calculation of an alternating current motor. The method is us...  
WO/2020/253876A1
Disclosed is a circuit for detecting the insulation resistance of a photovoltaic array to ground. The circuit comprises a first switch tube Q1 and a second switch tube Q2 in an inverter circuit connected to a photovoltaic array, two sens...  
WO/2020/253552A1
Disclosed are a high-precision resistor measurement system and method based on the combination of a differential method and a proportional method. The system comprises: a constant-current source, a reference resistor, a first differentia...  
WO/2020/256664A1
The present invention relates to a system and a method for measuring the ground resistance of a grounding system using a capacitive probe by applying the resonance method, which allows measurement on hard ground surfaces such as concrete...  
WO/2020/251590A1
An occupant or object sensing system in a vehicle includes electrical circuits for capacitive sensing and corresponding circuits shielding the sensing system from interference. A sensing circuit and a shielding circuit may be printed wit...  
WO/2020/243909A1
A standing wave detection apparatus and a communication device. The standing wave detection apparatus comprises a signal strength detection circuit (11) and a controller (12). The signal strength detection circuit (11) is used for using ...  
WO/2020/245519A1
The method is implemented in an electrical system (1) comprising at least one electrical power source (10) and at least one electrical component (121 to 123) electrically connected through an electrical switch (11), and comprises the fol...  
WO/2020/246138A1
The present invention pertains to a method for managing a resistivity measurement device by repeatedly measuring, by a four-probe method, resistivity on a measurement surface of a standard sample comprising a silicon monocrystal, the met...  
WO/2020/240022A1
The invention relates to a method of inspecting a radio frequency device (1) that allows for a modification of the transmission and/or a manipulation of the radio frequency signal along electroconductive elements (13) by changing dielect...  
WO/2020/241517A1
This voltage divider device (3), which divides a voltage output from a voltage power supply, is provided with a plurality of resistor voltage dividing substrates (2A-2D) to which a plurality of conductor patterns disposed on the surfaces...  
WO/2020/242137A1
The present invention relates to an apparatus and method for detecting a defect in a battery pack and, more specifically, to an apparatus and method for detecting a defect in a capacitor provided inside a battery pack. According to the p...  
WO/2020/236793A1
Maintaining a fixed frequency in a resonant circuit of an inductive sensor circuit is described. In one embodiment, an apparatus includes an inductance-todigital converter (LDC). The LDC includes a digital filter to measure an inductance...  
WO/2020/234959A1
This tire electrical resistance measurement device (1) is provided with an inner circumferential-side probe (50S) and an outer circumferential-side probe (50A). The inner circumferential-side probe (50S) is disposed on the inner circumfe...  
WO/2020/234873A1
A method for providing fast and efficient solution of partial differential equations to calculate the permittivity modes of an arbitrarily complex scatterer geometry using a modal approach, comprising the steps of defining the background...  
WO/2020/230326A1
A TRL calibration device (100) comprises: a reflect standard (100R) having an R first transmission line in which one end thereof is connected to an R first connection terminal and the other end is an open end, and an R second transmissio...  
WO/2020/224056A1
A non-contact antenna impedance measurement method and a measurement system therefor, wherein the measurement method comprises the following steps: (1) electrically connecting an antenna, an adjustable device, and chips to form a measure...  
WO/2020/226308A1
The present invention relates to an apparatus and a method for diagnosing an increase in the resistance of a battery cell lead part, and a method for diagnosing a battery cell, according to one embodiment of the present invention, compri...  
WO/2020/223651A1
Impedance testing devices, circuits, systems, and related methods are disclosed. A Device Under Test (DUT) is excited with a multi spectral excitation signal for an excitation time period while the DUT is under a load condition from a lo...  
WO/2020/223630A1
Devices and methods to perform AC impedance measurement of a device which use an excitation signal including a root mean squared current or a root mean squared voltage in a sequence of one or more frequency groups, wherein each of said f...  
WO/2020/218443A1
A current leakage determination device (70) comprises: a capacitor (71) having a first end connected to either a positive electrode or a negative electrode of a battery (20); a sensing resistor (72) connected to a second end of the capac...  
WO/2020/212984A1
A system comprising a MEMS based actuator unit and a control electric circuit. The actuator unit comprising one or more MEMS actuators, each comprising a stator and a rotor and configured to define a payload position in response to elect...  
WO/2020/207619A1
The invention relates to a method for determining capacitances of bypass capacitors in a charging cable during a charging process, in which method an energy store is charged by an energy source (100) via the charging cable, a first outpu...  
WO/2020/207989A1
A capacitance measurement circuit (12) for determining complex electric currents in a multi-channel capacitive sensing device (10) comprises a first sensing circuit (18) for selectively connecting one of a plurality of sense electrodes t...  
WO/2020/202832A1
[Problem] To obtain accurate impedance values while simplifying work for calibrating a plurality of current detection units included in an inspection device. [Solution] This measurement method for measuring the inter-electrode impedances...  
WO/2020/191466A1
A structural arrangement for a tipping bucket rain gauge and related microcontrolled electronic system, the features of which include remote monitoring and identification of possible operating faults or defects in the rain gauge (100), s...  
WO/2020/187044A1
A circuit parameter detecting method, comprising: applying a preset excitation signal at an input end of a circuit to be tested, and acquiring one set of actual output data from an output end of said circuit (101); selecting from multipl...  
WO/2020/185780A1
An apparatus has a Radio Frequency (RF) signal generator to produce RF signals phase shifted relative to one another in accordance with RF frequency waveform parameters. Amplifier chains process the RF signals to produce channels of ampl...  
WO/2020/182149A1
A resistance test fixture (100), comprising a substrate (20), an electric linear module (30) mounted on the substrate (20), a movable probe assembly (40) connected to the electric linear module (30), and a fixed probe assembly (50) conne...  
WO/2020/183489A1
The invention discloses a method for measuring impedance of a system under test. The method includes multiple, high bandwidth, short duration chirp signals having dissimilar phase to estimate impedance. The method includes generating at ...  
WO/2020/185744A1
A controller including a voltage sensor coupled to a heater trace integrated in an electrostatic chuck, the voltage sensor configured to sense a voltage difference across the heater trace, wherein the heater trace is associated with a he...  
WO/2020/181789A1
A test system for microwave dielectric changes of a solid material (1) during a force bearing process. The test system tests microwave dielectric changes of the solid material (1) based on a horizontal and transverse pressure loading mod...  
WO/2020/177639A1
Disclosed are an insulation detection circuit and detection method, and a battery management system. The insulation detection circuit comprises: a first switch module (K1), a first voltage division module (F1), a second voltage division ...  
WO/2020/177637A1
Disclosed are a capacitor calibration circuit, a capacitor calibration method and a battery management system. The circuit comprises: a first switch module (S1), one end of the first switch module (S1) being connected to a positive elect...  
WO/2020/177575A1
Some of embodiments of the present application relate to the field of integrated circuits, and disclosed are a method and apparatus for detecting an insulation resistance value, and an electronic device and a storage medium. In some of t...  
WO/2020/177636A1
An insulation detection circuit and method, and a battery management system. The circuit comprises: a first isolation module (G1) connected to a positive electrode of a power battery to be detected and one end of a sampling module (H); t...  
WO/2020/176857A1
Provided herein are systems, methods and apparatuses for a Biomarker sensor.  

Matches 1 - 50 out of 17,879