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WO/2021/019671A1 |
According to the present invention, a registration sound of any length is appropriately registered to suppress erroneous determination. A normal sound registration device 1 extracts a fixed-length feature amount from a time-series acoust...
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WO/2021/017013A1 |
A motor state monitoring method and apparatus, and a computer device. Said method comprises: respectively acquiring current rotation speed information of motors; respectively acquiring and parsing target noise signals generated by the mo...
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WO/2021/019173A1 |
The invention relates to a measuring device (10) comprising an item of measuring equipment (30) that is configured to be optically interrogated by a measuring instrument (20) by means of first optical signals in a first wavelength range,...
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WO/2021/018469A1 |
An artificial cochlea device (100, 300) for processing audio signals by electro-mechanical amplitude changes includes a micro-electro- mechanical system, MEMS, microphone (118) comprising a membrane (102), and an electro-mechanical feedb...
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WO/2021/013829A1 |
A method for seismic surveying comprises performing a towed seismic survey by towing seismic cables and seismic sources from a vessel and performing a Vertical Seismic Profiling (VSP) simultaneously to the towed seismic survey and using ...
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WO/2021/015740A1 |
Methods and systems for solving inverse problems arising in systems described by a physics-based forward propagation model use a Bayesian approach to model the uncertainty in the realization of model parameters. A Generative Adversarial ...
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WO/2021/013331A1 |
In summary the invention relates to method and apparatus for estimating electromagnetic forces active in an electric ma- chine. The method comprises the steps of: Measuring (S1) at least one first operation parameter (Ytot) of the electr...
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WO/2021/010251A1 |
The optical fiber sensing system according to the present disclosure comprises: an optical fiber (10) that detects vibration; a reception unit (21) that receives an optical signal on which the vibration detected by the optical fiber (10)...
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WO/2021/011957A1 |
A thin, flexible computerized sensing platform which can be affixed to a structure to be sensed, which has excellent mechanical coupling between the sensors and the object to be sensed, which can be self-powered and rechargeable, and whi...
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WO/2021/010407A1 |
An optical fiber sensing system according to the present disclosure comprises: an optical fiber (10) that is laid in a pipe (30); a reception unit (21) that receives, from the optical fiber (10), optical signals that have vibration detec...
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WO/2021/006384A1 |
The present invention relates to a complex sensing device, and provides a complex sensing device characterized by comprising: a connection pipe connected to a water storage tank; a water level sensor for sensing the water level of washin...
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WO/2021/004423A1 |
The present invention relates to the field of fiber sensing and safety monitoring, and in particular, to a high-sensitivity wide-frequency-response all fiber micro-seismic monitoring system. The system is composed of a laser light source...
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WO/2021/005649A1 |
This optical fiber sensing system comprises an optical fiber (10A) that detects underground vibrations, an acquisition unit (21) that acquires, from the optical fiber (10A), an optical signal onto which the vibration detected by the opti...
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WO/2021/001734A1 |
The aim of the invention is a device for detecting the approach of a vortex ring state for a rotary-wing aerodyne (10), said detection device comprising a set of vibration sensors (16a, 16b, 16c) configured to be distributed in or over t...
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WO/2020/261207A1 |
A fibre-optic measurement system equipped with a controlled light generation system (1) and a receiving system (2) connected via an optical path which comprises a directional device (4) and which, in addition, has a processing unit (9) f...
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WO/2020/259591A1 |
Provided are a calibration method and a calibration device for an optical fiber strain sensing system. The method comprises: suspending a weight platform on a stainless steel frame by means of a sensing optical fiber, and adjusting the h...
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WO/2020/260189A1 |
The invention relates to a method and a device for controlling an ultrasonic tool unit for machining a workpiece on a machine tool. Multiple parameter sets are stored on a storage device of a control device of a machine tool. When contro...
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WO/2020/258174A1 |
The present application provides a vibration sensor and an audio device. The vibration sensor comprises a cavity having a sidewall, an elastic film mounted on the sidewall, and an MEMS chip having a back cavity. The MEMS chip is received...
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WO/2020/264242A1 |
The disclosure provides example mass-sensing instruments and methods for use thereof. A mass-sensing instrument includes a mass sensor that includes a first terminal and a second terminal. The mass sensor has a natural oscillation freque...
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WO/2020/259530A1 |
An acoustic reflector (4000) and an acoustic electronics device are disclosed. The acoustic reflector (4000) is for being used inside an enclosure (1000) of an acoustic electronics device, which is made of thermal conductive material and...
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WO/2020/255446A1 |
This operation sound diagnosis system (10) comprises: an operation sound detection unit (11) for detecting the operation sound of an actuator or driven machine, an operation state detection unit (12) for acquiring a time series of the dr...
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WO/2020/253455A1 |
A detection apparatus (1), a vibration level determination method, a vending apparatus and a storage medium. The detection apparatus (1) comprises an emission portion (10), wherein the emission portion (10) can emit identification inform...
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WO/2020/255358A1 |
An optical fiber sensing system according to this disclosure comprises: optical fiber (10) that is disposed so as to face in a plurality of directions and is for detecting sound produced in an area under observation; a reception unit (20...
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WO/2020/255745A1 |
[Problem] To suppress foreign substance intrusion through a through hole into a sensor package substrate having the through hole while suppressing substrate strength reduction. [Solution] This sensor package substrate 100 has through hol...
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WO/2020/255728A1 |
This vibration measurement device (10) measures the vibration of an object comprising a vibration source and a component having an area under measurement. The vibration measurement device (10) comprises a displacement calculation unit (1...
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WO/2020/252600A1 |
Example embodiments of the described technology provide a stretchable electrochemical cell. The electrochemical cell may comprise an anode, a cathode, first and second current collectors electrically coupled to the anode and cathode resp...
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WO/2020/256343A1 |
The present invention relates to a leakage management system and a leakage location prediction method. The leakage management system, according to the present invention, comprises: detection units (100-N) which are installed on a pipe an...
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WO/2020/256567A1 |
Device and method for measuring and visualizing the sound level in a place where at least two people are gathered, comprising at least one sound detector which is connected to at least one visualization device in such a way that the visu...
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WO/2020/254330A1 |
It is provided a sensor device comprising: a vibration detector configured to be provided in contact with a windowpane of a window; a sensor controller; and a cable between the vibration detector and the sensor controller; wherein the vi...
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WO/2020/256193A1 |
The present invention relates to a vibration detection sensor which, in order to prevent underground utility damage, detects and analyzes the vibration pattern of excavation equipment, and transmits excavation information of the surround...
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WO/2020/255206A1 |
A drive noise diagnosis system (10) comprises a drive noise detection unit (11), an operation state detection unit (12), a noise oscillation time-series spectrum acquisition unit (15), a feature point extraction unit (16), and a primary ...
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WO/2020/257188A1 |
Methods and systems are used to determine a causal response function of the ear. A probe assembly is inserted into each of one or more acoustic calibration waveguides. The probe assembly includes an acoustic source and a microphone. Cali...
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WO/2020/250478A1 |
Provided is an optical fiber cable for sound wave sensing that uses linear optical fiber and is capable of suppressing directivity. This optical fiber cable for sound wave sensing is provided with a cover part (10) having a sound wave re...
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WO/2020/250332A1 |
This road condition deduction device 2 is provided with: a reception unit 21 which receives, from each automobile, sensor information that includes location information concerning the location where the automobile is traveling and spectr...
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WO/2020/245970A1 |
An analysis device (1) is provided with, e.g., a sensor (2), an analysis unit (4), an analysis unit (5), an analysis unit (6), and an integration unit (7). The analysis unit (5) divides a spectrogram acquired by the analysis unit (4) int...
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WO/2020/245987A1 |
In the present invention, sound arriving from outside a mobile body is collected using a microphone disposed inside the mobile body. This sound collection device is attached to a mobile body. This sound collection device comprises a micr...
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WO/2020/244849A1 |
The invention relates to a method for monitoring a system (1) having a sensor (2) for generating vibration signals, wherein a frequency spectrum is calculated from the vibration signals by means of a Fourier transformation, and a modifie...
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WO/2020/243682A1 |
A system for determining the level of solids accumulated in a sand separator has a vibratory level sensor and a solid separator control system. The vibratory level sensor includes a vibratory rod and an exciter connected to the vibratory...
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WO/2020/240724A1 |
An optical fiber sensing system according to the present disclosure comprises: an optical fiber (10) that transmits an optical signal in which sound is superimposed; a conversion unit (21) that converts the optical signal into acoustic d...
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WO/2020/242676A1 |
Methods and apparatus for recording and analyzing echolocation calls using zero crossing and/or digital sampling (full spectrum analysis) techniques, and for optimizing trigger thresholds used to activate recording in response to detecti...
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WO/2020/233933A1 |
The invention relates to a method for controlling/regulating a rotary drive (13) of a work unit (4) of a track laying machine (1), in which a measurement variable (X) with an approximately periodic history function derived from a rotatio...
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WO/2020/237032A1 |
Aspects of the present disclosure describe Rayleigh fading mitigation via short pulse coherent distributed acoustic sensing with multi-location beating-term combination. In illustrative configurations, systems, methods, and structures ac...
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WO/2020/232669A1 |
A hitting detection method and device, a movable platform, and a computer readable storage medium. The hitting detection device is adapted to be fixedly mounted on the inner side of an object under test; an annular protrusion is provided...
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WO/2020/236115A1 |
The present invention, relates to a malfunction estimation method that allows personnel and spare parts to be provided according to the nature of the fault by means of the estimation of malfunction using machine noise analysis. The sound...
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WO/2020/237029A1 |
Aspects of the present disclosure describe multi-frequency coherent distributed acoustic sensing with a single transmitter / receiver pair using an offset Tx / Rx framing scheme and an additional optical IQ modulator to generate the mult...
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WO/2020/235754A1 |
The present invention relates to a method for designing a jig for testing a rotating body. A method for designing a jig for testing a rotating body according to one embodiment of the present invention, which is a method for designing a j...
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WO/2020/237038A1 |
Aspects of the present disclosure describe systems, methods and apparatus for improving the performance of Rayleigh-based phase-OTDR with correlation-based diversity combining and bias removal.
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WO/2020/234989A1 |
The purpose of the present invention is to provide a phase measurement method and a signal processing device capable of reducing the influence of noise of a measuring instrument without increasing the peak intensity of incident light pul...
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WO/2020/234309A1 |
The invention relates to an acoustic sensor comprising: - a component (18) having an input and an output, the component (18) being able to conduct light waves in a plurality of propagation modes between the input and the output, the comp...
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WO/2020/233908A1 |
The invention relates to a method for producing a part for an electric motor, comprising the steps: providing a part in an electric motor; identifying a part-based component of a force parameter in the electric motor; modifying the part ...
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