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Matches 1 - 50 out of 23,870

Document Document Title
WO/2018/163640A1
The present invention addresses the problem of enabling probabilistic inference of the overall degree of influence of a sound or vibration source together with a transmission path or of a given element and the cost effectiveness of struc...  
WO/2018/165178A1
Examples of systems and methods for locating movable objects such as carts (e.g., shopping carts) are disclosed. Such systems and methods can use dead reckoning techniques to estimate the current position of the movable object. Various t...  
WO/2018/159397A1
An information gathering system (1) is provided with: an in-vehicle device (200) that is disposed in a vehicle; and an information processing device (400) communicably connected to the in-vehicle device (200). The in-vehicle device (200)...  
WO/2018/157227A1
A sound velocity sensor for underwater use has an acoustic transmitter and receiver, a path length portion defining an acoustic path and positioned such that a generated acoustic signal propagates along the acoustic path from the acousti...  
WO/2018/159160A1
This diagnostic system diagnoses a facility device (1) that is provided with a plurality of movable units (34, 35, 36, 37) that are driven by different actuators (27, 33, 36, 373), respectively. The diagnostic system is provided with: de...  
WO/2018/159164A1
Provided is a method for easily and accurately detecting or predicting cracking occurrence when roasting coffee beans. A coffee bean cracking detection method according to the present invention comprises: a sound measurement step for tem...  
WO/2018/159165A1
Provided is a method for easily and accurately detecting or predicting cracking occurrence when roasting coffee beans. A coffee bean cracking detection method according to the present invention comprises: an average value calculation ste...  
WO/2018/153562A1
The invention relates to a sensor device (1) comprising a sensor with a sound transducer (10) designed to emit sound waves and to convert received sound waves into electrical signals. An evaluation unit of the sensor is designed such tha...  
WO/2018/153034A1
An ultrasonic sensor, comprising a cylindrical housing (1), an ultrasonic probe assembly (4) located in the housing (1), and a cylindrical support sleeve (2). The support sleeve (2) is fit over the housing (1); the housing (1) is support...  
WO/2018/157050A1
Processes for fabricating capacitive micromachined ultrasonic transducers (CMUTs) are described, as are CMUTs of various doping configurations. An insulating layer separating conductive layers of a CMUT may be formed by forming the layer...  
WO/2018/154637A1
In the present invention, a normal feature storage unit (131) stores normal feature information (301) representing a normal vibration feature. A histogram information generation unit (110) acquires moving image data (109), and extracts f...  
WO/2018/156132A1
A backscattered signal can be received from a sensing fiber that extends into a wellbore. The backscattered signal can have been generated based on an optical signal launched into the sensing fiber. A first delayed signal, a second delay...  
WO/2018/152575A1
A method of measuring the state or condition of a plurality of spatially spaced apart machine parts subject to wear and emitting an acoustic signature, the method including the steps of: (a) optically sensing the acoustic properties of t...  
WO/2018/155231A1
Provided are a sound source detecting method and detecting device which enable accurate detection of the position of a sound source using an acoustic intensity measurement result. In this detecting method, Iall, which is the total value ...  
WO/2018/153484A1
The present invention provides an acousto-optic transducer (200), which at least comprises a graphene resonator (201), a substrate (203), an entry window (206) and an exit window (209). The graphene resonator (201) bears at least one don...  
WO/2018/149859A1
The invention relates to fiber-optic vibration and acceleration sensors comprising a dielectric mirror and a first light-guiding fiber which is connected to a coupler. The coupler is additionally connected to a light source via second li...  
WO/2018/150065A1
The invention relates to a device for monitoring environmental noise by means of movable volumetric measuring instruments, characterised in that it forms a device for measuring noise by means of an acoustic measuring instrument with mult...  
WO/2018/149500A1
The invention relates to a method for identifying an acoustic source in a component (2), in particular a component of a power plant, comprising the following steps : a) determining at least one simulated structure-borne noise signature (...  
WO/2018/151403A2
The present invention relates to a system for measuring noise, vibration, and running speed of an elevator, wherein the system can measure noise, vibration, running speed, etc. of an elevator through wireless communication in a state in ...  
WO/2018/150616A1
The present invention provides an abnormal sound detection learning technology that is able to generate a feature-quantity extraction function for detection of abnormal sound, irrespective of the availability of abnormal sound learning d...  
WO/2018/145487A1
A method for measuring the velocity of sound waves in seawater. The velocity of sound waves in seawater is obtained after direct calculation is performed by utilizing marine seismic exploration data acquired by horizontal cables or incli...  
WO/2018/147837A1
A gas turbine engine (100) has a circumferential staging configuration of fuel injectors in a combustor. As a turbine blade revolves within the gas turbine engine it is subjected to lift and drag forces based on the configuration of lit ...  
WO/2018/147493A1
A breaker according to an embodiment of the present invention can comprise: a cylinder for accommodating a piston such that the piston reciprocates; a head cap disposed on the cylinder; a front head disposed below the cylinder and having...  
WO/2018/148356A1
Disclosed embodiments may relate to systems and methods for monitoring and/or mapping noise data from a plurality of noise monitoring devices. In some embodiments, the plurality of noise monitoring devices may include hearing protection ...  
WO/2018/142107A1
A system for monitoring activity in a hospitality establishment comprising a plurality of tables is disclosed. The system comprises a sensor unit (806) for attachment to a table, and a central activity monitor (814). The sensor unit comp...  
WO/2018/142986A1
In the present invention, an oscillation sensor measures an oscillation waveform of a machine element. A processing device senses a change in the oscillation waveform. The processing device also includes an evaluation value computation u...  
WO/2018/143410A1
An ultrasonic bonding device (50) comprises: an ultrasonic bonding machine (20) that has an ultrasonic tool (21) for applying ultrasonic waves while pressing bonding members (4, 5) on a member to be bonded (10) mounted on an object to be...  
WO/2018/142996A1
This seismic device is provided with: an acceleration sensor (10) which successively outputs an acceleration value corresponding to the magnitude of an acceleration of an applied vibration; an earthquake determining unit (11) which ident...  
WO/2018/143572A2
In order to measure multiple facilities, when measurement optical signals for the multiple facilities are received, a facility measurement system extracts physical quantities included in the measurement optical signals. Facility state in...  
WO/2018/139505A1
Provided are a state monitoring system, a state monitoring method, a state monitoring program and a recording medium which are easy to introduce. This state monitoring system (1) is provided with an acquiring unit (11) and a generating u...  
WO/2018/140964A1
Systems, methods, and media for detecting abnormalities in equipment that emit ultrasonic energy into a solid medium during failure are provided. In some embodiments, devices for monitoring a piece of equipment are provided, the devices ...  
WO/2018/134568A1
There is provided a MEMS microphone as a microelectromechanical transducer comprising a flexible membrane, the flexible membrane comprising an electromagnetic waveguide. There is further provided a microelectromechanical system comprisin...  
WO/2018/134932A1
Provided are an amplitude measuring device capable of detecting an amplitude of minute vibration, and a vibration measuring method in the amplitude measuring device. The amplitude measuring device includes: an irradiation unit that irrad...  
WO/2018/134137A1
Systems and methods for sensing changes in an optical sensing fibre, principally for detecting changes in strain. A plurality of optical probe pulses at different optical frequencies (f1, f2,... fn) spaced by Δf are transmitted into the...  
WO/2018/134401A1
The invention relates to a measuring device for sensing mixed friction events and/or stick-slip events on and/or in a rotationally movable component (10), characterised by at least one sensor element (1) for detecting movements (B) in th...  
WO/2018/136056A1
Various embodiments include apparatus and methods implemented to take into consideration gauge length in optical measurements. In an embodiment, systems and methods are implemented to interrogate an optical fiber disposed in a wellbore, ...  
WO/2018/130240A1
The invention relates to a detector assembly (01) for selectively detecting vibrations in a component. For this purpose, the detector assembly comprises a film (02) fitted with at least one piezoelectric element. The film (02) is attache...  
WO/2018/130219A1
A double-beam interference calibration device for a laser vibrometer, the calibration device consisting of a standard laser source (1), two optoisolators (2, 15), two polarization beam splitters (3, 12), a lens (4), a lambda/4 wave plate...  
WO/2018/130314A1
A method and a system for noise mapping in buildings, wherein a communication device, especially a mobile communication de- vice, is configured for determining the current noise level of a location in the building by an appropriate senso...  
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...  

Matches 1 - 50 out of 23,870