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Matches 1 - 50 out of 23,773

Document Document Title
WO/2018/127602A1
A method and system for determining at least one event-parameter of at least one object comprising the steps of detecting the at least one object by at least one distributed acoustic sensor;receiving at least one signal from the least on...  
WO/2018/127708A1
Embodiments of the invention provide an improved optical fiber distributed acoustic sensor system that makes use of an optical fiber having reflector portions distributed along its length in at least a first portion. In particular, in or...  
WO/2018/129482A1
A motion system and method for motion performance modeling and monitoring the motion system uses a baseline motion performance model of the motion system, which is created by collecting motor operating variables, to compare real-time mot...  
WO/2018/124590A1
A method and a device for recognizing a speaker by using a resonator are disclosed. The method for recognizing a speaker receives electrical signals corresponding to the voice of a speaker from at least a part of resonators among a plura...  
WO/2018/119910A1
A method and an apparatus for locating a moving sound source. The method for locating a moving sound source comprises: arranging at least four microphones as a microphone array (S102); collecting the sound pressure signal of a moving sou...  
WO/2018/125017A1
The present invention is related to at least one vibration measurement sensor (3) adapted to measure the vibrations formed on a test object (0) with moving mechanical systems, at least one noise measurement sensor (4) adapted to measure ...  
WO/2018/119598A1
Disclosed is a parameter design method for an optical fiber grating vibration sensor, comprising the steps of: S1. setting an inherent frequency or sensitivity of the optical fiber grating vibration sensor; S2. selecting the category of ...  
WO/2018/119489A1
A monitoring system for monitoring a machine, the monitoring system including at least one monitoring device and one or more processing systems. The monitoring device includes a housing, a coupling that physically attaches the housing to...  
WO/2018/122327A1
The invention relates to an acoustic emission sensor (100). The acoustic emission sensor comprises an optical resonator (10) having a sensor region (11) configured for reflective operation; an optical waveguide (20) which is optically co...  
WO/2018/117356A1
The present invention, in order to resolve an issue of pressure fluctuations that arise due to both the left and right propellers of a twin-screw vessel, an issue that can be greater and more complex than for a conventional vessel, relat...  
WO/2018/116226A1
Transducer structure (1; 21; 31; 41 ) for converting a deformation along an axis into a corresponding deformation on a plane orthogonal to the axis itself, comprising: two end plates (2, 3) facing each other and aligned along a common re...  
WO/2018/110337A1
Provided are a waveform analysis method and a waveform analysis device capable of preventing, in advance, a breakage accident during operation and preventing stoppage due to breakdown of machinery and performing efficient maintenance wor...  
WO/2018/110553A1
The present invention provides a portable oscillometer having: a position information acquisition means for acquiring position information of a moving body; an oscillation information acquisition means for acquiring oscillation informati...  
WO/2018/105703A1
Provided are an abnormal combustion detection device and an abnormal combustion detection method for an internal combustion engine with which abnormal combustion other than knocking can be detected while ensuring knocking detection preci...  
WO/2018/103323A1
An ultrasonic cutter (8) detection method and device, the detection method comprises the following steps: preliminary detection: frequency amplitude detection and fall-of-potential detection, if the ultrasonic cutter (8) fails the above ...  
WO/2018/104981A1
The present invention provides a vibrometer assembly that facilitates vibrometer attachment work for a vibrometer provided to a rotating machine. A vibrometer assembly 2 including a vibrometer 20 for measuring the vibration of a rotating...  
WO/2018/106869A1
Transducers are provided including a piezoelectric block having first and second opposing surfaces; a first conductive flexible support layer on the first surface of the piezoelectric block, the first flexible support layer having a firs...  
WO/2018/100334A1
An engine health diagnostic apparatus (8) is provided for analysing health of a reciprocating internal combustion engine (4). The apparatus (8) comprises feature generation circuitry (90) for processing vibration sensor data (91) receive...  
WO/2018/101942A1
A system of translatable electro acoustic technology (EAT) modules for deployment along an oil or gas wellbore casing comprises: a wireline/slickline optical distributed acoustic sensing (DAS) cable deployed from the surface into the cas...  
WO/2018/101429A1
An information collection system (1) is provided with an information processing device (10) and a server device (20). The information processing device (10) acquires sound information generated by a sound collection device (30) mounted i...  
WO/2018/098656A1
A laser vibration detector (3)-based machine (1) cutting real-time vibration monitoring device and a vibration detection method, wherein the device comprises a laser vibration detector (3), a data collector and an industrial computer, th...  
WO/2018/102223A1
An imaging system (120) includes: a transceiver cell (210) for generating a pressure wave and converting an external pressure wave into an electrical signal; and a control unit (208) for controlling an operation of the transceiver cell (...  
WO/2018/101430A1
A server device (40) for analysis is provided with an acquisition unit (42) and an additional information generation unit (44). The acquisition unit (42) acquires sound information collected by a sound collection device mounted in a mobi...  
WO/2018/096640A1
Provided is a highly reliable power conversion device which highly accurately diagnoses abnormality in a motor or a machine driven by the motor. The power conversion device is provided with an acoustic sensor and comprises: an interface ...  
WO/2018/096896A1
A vibration sensor according to the present invention is provided with: a substrate having a recessed section in a top surface thereof; a conductive plate provided in the recessed section; a frame-shaped conductive member that is provide...  
WO/2018/097620A1
An acoustic analysis method and an abnormal sound source detection apparatus using the same are disclosed. The abnormal sound source detection apparatus according to an embodiment of the present invention comprises: an acoustic signal ac...  
WO/2018/096582A1
A degraded portion estimation apparatus (6) is provided with: a short-time Fourier transformation unit (31) for acquiring mic signals (DS1, DS2, DS3) respectively corresponding to a plurality of microphones (131-133) provided to an inspe...  
WO/2018/094273A1
A vibration monitoring system described herein is used to detect and analyze mechanical characteristics such as vibrations emanating from a rotating system (including the shaft and bearing system). The analysis of the mechanical characte...  
WO/2018/093444A1
Systems, apparatus, and methods for collecting, interpreting, and utilizing noise exposure data may include sensors to obtain an analog signal representative of impulse noise sound pressure and an analog signal representative of continuo...  
WO/2018/085893A1
An acoustic system and method is disclosed for providing spatial and temporal classification of a range of different types of sound producing targets in a geographical area. The system includes an optical signal transmitter arrangement f...  
WO/2018/087570A1
A communication device comprising a peer-to-peer communication interface arranged to establish a connection between the communication device and at least one other communication device via a peer-to-peer network, an audio input device fo...  
WO/2018/087274A1
The invention relates to a vibration analysis device (1) having an attachment device (2), which is coupled to a computer unit (3), wherein the computer unit (3) has at least one sensor (4) designed for movement detection and/or accelerat...  
WO/2018/087568A1
A noise dosimeter system (1) comprises an audio input device (11) for receiving audio and a noise level module (13) arranged to determine a noise level based on the received audio. The audio input device (11) is associated with a positio...  
WO/2018/087752A1
A method and system for use in detection of a periodic signal are described. The method comprising: providing data about periodicity of the periodic signal; sampling said periodic signal at a sampling rate along a plurality of periods of...  
WO/2018/081855A1
A method for measuring and logging the performance of a wheeled vehicle suspension system by measuring the dynamic performance of at least one component of said vehicle suspension system, the method including the steps of: setting the ve...  
WO/2018/082208A1
An optical fiber hydrophone array system, an acceleration sensor array system and a measurement method. The optical fiber hydrophone array system comprises: a narrow linewidth laser S, hydrophone arrays H1-Hn, a first coupler OC1, a firs...  
WO/2018/081687A1
A solids detector may include a receptor configured to extend at least partially into a flow path of a fluid through a conduit. Further, the solids detector may include a sensor configured to receive an acoustic wave generated due to one...  
WO/2018/076551A1
Disclosed are a distributed optical fibre sensing system capable of realizing all-phase demodulation, and a measuring method therefor. The distributed optical fibre sensor system comprises: a narrow linewidth laser (S), a first coupler (...  
WO/2018/079126A1
This earthquake sensing module is provided with: a module control unit which is equipped with an acceleration sensor for detecting acceleration with respect to a plurality of detection axes and which controls the acceleration sensor; and...  
WO/2018/080583A1
Apparatus (10) and methods for measurement of pore pressure in rock formations through a metal borehole casing (32) after a well is cased and cemented, are described. Such measurements may be accomplished by using the Dynamic Acoustic El...  
WO/2018/075566A1
An infant calming/sleep-aid device that includes a moving platform and a sound generator, the sound and motion adapted to calm a fussy baby, induce sleep, and maintain sleep under normal conditions. The device makes a determination as to...  
WO/2018/074721A1
The present invention relates to a wireless vibration measurement system comprising: a plurality of vibration sensors; and a vibration analysis means. Particularly, the present invention has the advantages of not only eliminating the inc...  
WO/2018/074134A1
An alarm of the present disclosure is provided with: a conversion unit for converting mechanical energy into electric power; an inflator electrically connected with the conversion unit; a drive unit having a plunger propelled by the infl...  
WO/2018/070169A1
The present invention addresses the problem of providing a motor control device having a function of generating vibrations and measuring a resonant frequency while controlling the rotation of a motor. To solve said problem, this motor co...  
WO/2018/069922A3
A system for monitoring and identifying states of a semiconductor device, the system including at least one acoustic sensor for sensing acoustic emission emitted by at least one semiconductor device operating at a voltage of less than or...  
WO/2018/069321A1
The invention relates to a method and device for determining a detection mode for an element that reflects ultrasonic waves, characterized in that it comprises at least the following steps: for each point P of a given volume Zr, determin...  
WO/2018/069016A1
The invention relates to a piezoelectric transducer of the type comprising a stack of a contact part (1), of a piezoelectric chip (2) and of a holder (3) of very high stiffness. Specifically, the contact part (1) forms tips, the respecti...  
WO/2018/070565A1
A camera module is disclosed. The disclosed camera module comprises: a module main body having a coupling groove part formed on the outer circumferential surface thereof; a photographing lens formed on one surface of the module main body...  
WO/2018/068098A1
Some embodiments relate to a vibration sensor. The vibration sensor comprises: a sensor base to couple to a vibration source; a piezoelectric transducer coupled on a first side of the transducer to the sensor base; at least one conductor...  
WO/2018/065696A1
An electric measurement circuit possesses an electrical reaction leg (2) for forming an oscillator (10) from a resonator (1), and furthermore possesses a measurement leg (4) the input of which is supplied by said electrical reaction leg ...  

Matches 1 - 50 out of 23,773