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Matches 1 - 50 out of 16,058

Document Document Title
WO/2018/069070A1
The invention relates to an optical sensor intended to receive electromagnetic waves, comprising: at least one optical fibre; and at least one membrane of subwavelength thickness, made from lithium niobate (LiNbO3) or lithium tantalate (...  
WO/2018/062687A1
The present invention provides a buried gas pipeline multi-measurement device for identifying a gas pipeline among a plurality of pipelines, which are buried underground and have temporarily exposed parts, or identifying a protective pot...  
WO/2018/059821A1
A method and apparatus for performing TRP measurements of an antenna system uses a sampling grid that takes into account the spherical geometry and the directivity of the antenna under test, while considering test time. The optimization ...  
WO/2018/056498A1
The present invention relates to a transmission line electromagnetic field and an instantaneous inspection image acquisition device using an unmanned aerial vehicle, and there is provided an image acquisition device and method comprising...  
WO/2018/049962A1
Disclosed is a simplified model construction method for a scintillation pulse, comprising the following steps: in the process of using an original scintillation pulse model (I) to reconstruct a scintillation pulse signal obtained through...  
WO/2018/050887A1
An electrical stimulation and monitoring device comprises several signal paths which are connected in parallel with each other, and each containing a stimulation or sensing electrode (25, 35), a DC-blocking capacitor and a stimulation or...  
WO/2018/051123A1
A quantum power sensor comprising a two-level quantum system strongly coupled to a transmission line that supports a propagating wave. A method of measuring power in a transmission line, the method comprising: coupling a two-level quantu...  
WO/2018/049675A1
A metamaterial based thermomechanical electromagnetic radiation detector comprises of a metamaterial absorber (101), legs (102) and a substrate (103). The metamaterial absorber (101), which is a sandwiched structure composed of the reson...  
WO/2018/042020A1
A device (1) is provided for carrying out EMC test measurements, said device comprising a measurement cell in the form of a mobile box, wherein - the box (1) has on one side an opening which can be opened and closed again and is designed...  
WO/2018/044500A1
Systems and methods for precision phase noise measurements of radio frequency (RF) oscillators are provided. An RF signal under test can be modulated on a continuous wave (cw) laser carrier frequency via generation of modulation side-ban...  
WO/2018/034991A1
A system (100) is disclosed. The system (100) includes an antenna (150) and a processor (105). The processor (105) has at least four ports: a first input port coupled to a first portion of the continuity component; a first output port co...  
WO/2018/034260A1
An open phase detecting system of an embodiment is provided with: a three-phase stationary induction electric device (1); a current detector (5); an extracting unit (62); and a determining unit (67). The three-phase stationary induction ...  
WO/2018/034757A1
An RF shield for enclosing a robotic tester unit while testing mobile devices. In some embodiments, the RF shield includes at least two conductive RF shield layers separated by an insulator material. In some embodiments, an inner surface...  
WO/2018/031815A1
A containment area can be defined by a single cable carrying an asymmetric electromagnetic signal that generates a magnetic field comprising an asymmetric waveform. A single inductor circuit configured to detect a single axis of the magn...  
WO/2018/023929A1
An integrated antenna test system characterized by comprising: a probe motion control system, a radio frequency switch system, a data collection and calculation system, a signal transmitter, and a probe. The system can combine far field ...  
WO/2018/018840A1
A transmission line lightning monitoring and early warning method based on a small radar, comprising the following steps: step 1. obtaining multi-layer radar echo reflectivity data of a small radar; step 2. determining real lightning clo...  
WO/2018/023063A1
The disclosure features systems and methods that include generating a set of Nm voltage values using one or more magnetic field detectors, where each voltage value is related in magnitude to an amplitude of a magnetic field between a wir...  
WO/2018/019428A1
The invention relates to a drive system having an arrangement for detecting grid faults and to a method for detecting grid faults, wherein the drive system (8) has a rectifier (2) of converter, supplied from an alternating voltage supply...  
WO/2018/022552A1
Systems and methods for synchronized phasor measurement in a power distribution network are described. In an aspect, the systems and methods quantify the phase angle between voltages or currents at any two points in the distribution netw...  
WO/2018/019278A1
A small radar-based thunder and lightning monitoring and warning method for an electric transmission line, and a computer storage medium. The small radar-based thunder and lightning monitoring and warning method for an electric transmiss...  
WO/2018/021639A2
The present invention relates to a device for measuring the piezoelectric properties of a liquid or viscous material. The device for measuring piezoelectric properties is provided with: a fixing fixture in which an internal space, which ...  
WO/2018/012908A1
The present invention relates to a low frequency noise measurement apparatus having shielding properties, the apparatus blocking the movement of an electromagnetic wave through a gap between a chamber and a door to increase accuracy in m...  
WO/2018/010087A1
An electronic chip noise information sending method and system, the method comprising the following steps: obtaining noise information of an electronic chip (S101); processing and analysing the noise information (S102); if the processing...  
WO/2018/006628A1
A comprehensive human body static electricity tester, comprising a control unit (1), and a power supply module (2) for supplying power, a storage unit (3) for storing data, a measure unit (4) for detecting static electricity in a human b...  
WO/2018/001263A1
A method and a device for measuring power supply noise, wherein the method comprises: acquiring an original sampling data file of a voltage ripple test (110); performing a digital filtering process of a predetermined frequency band accor...  
WO/2018/005627A1
Sensing the electric or strain field experienced by a sample containing a crystal host comprising of solid state defects under a zero-bias magnetic fields can yield a very sensitive measurement. Sensing is based on the spin states of the...  
WO/2018/004658A1
Pipe]parameter determinations from electromagnetic logs can be improved, in accordance with various embodiments, by weighting signals with frequencies below a threshold associated with resolution degradation lower than signals with frequ...  
WO/2017/214611A1
The disclosed wireless transmitter estimates a client location in space and transmits power in the form of electromagnetic (EM) waves to that location. In response to receiving the power, a client sends a power request signal. In some im...  
WO/2017/212542A1
Two linear conductive bodies (1, 2) are disposed orthogonal to each other without short-circuiting. The ends of respective linear conductive bodies (1, 2) are connected to each other by means of connecting conductive bodies (3, 4), and t...  
WO/2017/211023A1
Disclosed are a rapid confirmation method and a device for an antenna efficiency RF anechoic chamber test, the rapid confirmation method for the antenna efficiency RF anechoic chamber test comprising: obtaining a voltage standing wave ra...  
WO/2017/206320A1
The prevent invention provides a method for estimating a single-channel antenna far-field antenna parameter by using time-frequency analysis for measurement. The method is applied to log-periodic dipole array antennas spaced apart by a d...  
WO/2017/204597A1
An electronic device is provided that includes a housing and a power receiver disposed within the housing. The power receiver includes a conductive pattern for receiving power wirelessly. The conductive pattern includes a main coil havin...  
WO/2017/198613A1
The invention relates to an antenna test chamber (i) for measuring antenna properties of RF antennas, comprising: – a complete lining, having a plurality of absorbers (11) on its interior bounding areas, – separate supports for an an...  
WO/2017/197823A1
Provided are a method and a system for detecting a voltage reverse phase sequence of a manganin three-phase four-wire and three-phase three-wire electricity meter. The detection method for the three-phase four-wire electric meter compris...  
WO/2017/195842A1
In order to acquire from received data a feature quantity including only a fluctuating component due to a radio signal, this feature quantity measuring device: calculates a feature quantity on the basis of data in a prescribed time segme...  
WO/2017/195379A1
In this application, an electromagnetic noise path detecting system is disclosed. This system comprising a noise modulator and a processing system. The noise modulator is strongly enough coupled to a suspected noise path that it applies ...  
WO/2017/193100A1
In one embodiment, a detection system includes one or multiple sensors that detects a plurality of signals; a processor that identifies a relationship between the plurality of signals and determines whether the relationship between the p...  
WO/2017/191804A1
This phase measurement device is provided with: a count processor 4 that counts a zero crossing detection count C, which is the number of times a change in the sign of a digital signal has been detected; and a fraction processor 5 for ca...  
WO/2017/191349A1
The present invention relates to an isotropic electric field antenna comprising three dipole-type antennas (D1, D2, D3) arranged orthogonally to each other, wherein at least one of the three dipole-type antennas (D1, D2, D3) is a biconic...  
WO/2017/186242A1
The present invention relates to a method for identifying which phase of a multi-phase system is associated with which terminal of a group of electricity meters associated with the multi-phase system, based on an analysis of voltage vari...  
WO/2017/183304A1
[Problem] In conventional static electricity distribution measuring devices, there has been a problem of not being able to quickly measure wide-range static electricity amount distribution with high spatial resolution and wide range. [So...  
WO/2017/184966A1
A system and method for measuring or calibrating a delay through a circuit path within an integrated circuit is disclosed. In some embodiments, a delay locked loop (DLL) circuit is provided. An arbiter circuit in the DLL compares timing ...  
WO/2017/183345A1
The present invention makes it possible to verify easily whether radio wave propagation is being impeded by an obstacle. This propagation path obstacle verification device carries out: a narrowed-down building data acquisition step of ac...  
WO/2017/178878A1
The method comprising: a) receiving, by an electronic test instrument (102), two or more synchronously acquired time-domain EMI signals; b) processing, by a computing device (103), the two or more measured time-domain EMI signals by mean...  
WO/2017/177339A1
An RF scanning system and method includes a plurality of antenna probes and a plurality of RF receivers, wherein each probe is associated with a unique RF receiver, which outputs data to a digital signal processor.  
WO/2017/178483A1
The invention relates to an electromechanical component and electromechanical component assembly for potential detection, consisting of a first electrode, a second electrode and a detection structure. The detection structure is designed ...  
WO/2017/177234A1
An electrostatic force detector ("EFD") for measuring electrostatic force of a surface under test ("SUT") includes a force detector comprising a cantilevered arm and a probe. The EFD has a shield with a hole through which the probe exten...  
WO/2017/167331A1
The invention relates to a protective clothing, wherein two sensors are arranged on the clothing, which are designed to determine an electric field strength, and wherein the sensors are connected to a computing device which is designed t...  
WO/2017/170133A1
The present invention is provided with: a TFT substrate (106) which has a transmission/reception region (R1) having an array of a plurality of antenna units and a non-transmission/reception region (R2) and which includes a plurality of p...  
WO/2017/169313A1
The present invention concerns a method for estimating a level of damage or a lifetime expectation of a power semiconductor module (10) comprising at least one die (100a, 100b) that is mechanically and electrically attached to a ceramic ...  

Matches 1 - 50 out of 16,058