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Matches 1 - 50 out of 23,671

Document Document Title
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/2018/069321A1
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 ...  
WO/2018/067958A1
Fiber-optic equipment is often deployed in various locations, and performance of fiber-optic transmissions may be monitored as a gauge of equipment status to prevent costly and inconvenient communication outages. Events that damage equip...  
WO/2018/066267A1
In a rotating machine abnormality detection device, rotating machine abnormality detection method, and rotating machine according to the present invention, vibration caused by at least one from among a first rotating body and second rota...  
WO/2018/065982A1
Systems and methods are provided, which use at least two coherent light sources with known phase relations between them, which are configured to illuminate a target with at least two corresponding spots, an optical unit comprising a mask...  
WO/2018/067275A1
A method for monitoring a maintenance condition of a component (105) includes coupling a sensing device (100) to the component (105). The sensing device (100) includes at least one non-intrusive data sensor (115) and an on-board processi...  
WO/2018/062445A1
This vibration monitoring method has a step for displaying the number of times a tool passing frequency (TPF) peak that is the peak acceleration at a tool passing frequency has exceeded a TPF threshold value in a display column 56a of a ...  
WO/2018/059754A1
The invention relates to a vibration sensor (1) comprising a membrane (5) that can be stimulated so as to oscillate by means of a piezoelectric drive (3), a mechanical oscillator (10) which is arranged on the membrane and has at least tw...  
WO/2018/056214A1
Provided is an ultrasound wave source azimuth orienting device capable of measuring an ultrasound wave sound source azimuth over a wide search range at one time, while being compact and reducing the impact of a grating lobe. This ultraso...  
WO/2018/055232A1
The present invention discloses an acoustic camera which comprises an array of arranged microphones. The microphone arrangement can be organized in planar or non-planar form. The device can be handheld, and it comprises a touch screen fo...  
WO/2018/054707A1
The invention relates to a method (200) for the functional testing of a fibre-optic sensor (110). The method (200) comprises receiving (220) optical sensor signals of the fibre-optic sensor (110) in an evaluation unit (124), determining ...  
WO/2018/053310A1
The present invention is a device for measuring and displaying the speed, force, rate and/or frequency that an object or a body part strikes a target. The present invention includes an impact sensor, transmitter, computer and display. Th...  
WO/2018/050500A1
The invention relates to a method for determining and/or monitoring the breakdown voltage of a transformer oil, comprising the following steps: a) carrying out an acoustic impedance measurement of the transformer oil, wherein the impedan...  
WO/2018/050372A1
The present invention discloses a method and an apparatus for converting incident electromagnetic radiation into acoustic and/or ultrasonic waves, comprising: a) a 3D graphene structure comprising a number of graphene sheets for receivin...  
WO/2018/050499A1
The invention relates to a method for determining and/or monitoring the state of a transformer oil comprising, a) carrying out acoustic spectroscopy on the transformer oil, wherein a plurality of ultrasonic transmission signals with diff...  
WO/2018/049101A1
Surface modifications and improvements to piezoelectric-based sensors, such as QCMs and other piezoelectric devices, that significantly increase the sensitivity and the specificity (selectivity). These modifications can comprise mechanic...  
WO/2018/046088A1
A device has an input that is configured to receive a sound signal captured from an acoustic environment in which the device is located. The device also includes a signal processor that is configured to obtain a reverberation signature f...  
WO/2018/049415A1
Apparatus and methods are described for ultrasound guided optoacoustic monitoring to provide diagnostic information for many clinical applications blood oxygenation in blood vessels and in tissues including for early diagnosis and manage...  
WO/2018/047781A1
This tire-mounted sensor (2) is provided with a vibration transmission member (22e) and is configured so that vibration applied to a tire (71a-71d) will be transmitted to an acceleration sensor (22aa) through the vibration transmission m...  
WO/2018/048823A1
A non-invasive method and system for reliably locating underground pipes, particularly non-metallic pipes. The invention uses portable seismic generator to direct seismic waves into the earth at a downrange sampling location suspected to...  
WO/2018/045433A1
Described herein is a method and system of distributed acoustic sensing, such as in an urban or metropolitan area involving a dedicated and established fibre optic communications network including a data centre. In general, the disclosed...  
WO/2018/044032A1
The present invention provides an online diagnostic/prognostic system, for a rotation device, which does not require a diagnostic apparatus to be transferred and enables easy transmission of waveform data to a remote site. To this end, t...  
WO/2018/042424A1
Systems and methods are provided for vibrations detection in a scene. Systems comprise at least one coherent light source configured to illuminate the scene, an optical unit configured to focus scattered light from the scene onto a pixel...  
WO/2018/042626A1
The present invention pertains to a vibration monitoring device that monitors vibrations produced in a contact section between a liquid and a machine such as a rotary machine and/or auxiliary equipment of said machine. A vibration monito...  
WO/2018/041789A1
The invention relates to a method for the spatial tomography of sound comprising the steps: contactless acquisition of a physical parameter for a first and a second plurality of local regions in space along a first and a second laser bea...  
WO/2018/044915A1
In at least one embodiment, an apparatus for generating virtual venues in a listening room in a vehicle is provided. The apparatus includes a vehicle audio controller configured to receive an incoming audio signal including entertainment...  
WO/2018/042625A1
The present invention pertains to a vibration monitoring device that monitors vibrations produced while running a machine such as a rotary machine, an internal combustion engine, or a transport machine. A vibration monitoring device (30)...  
WO/2018/041855A1
The invention proposes an acoustic sensor device (1) with an optical fibre, comprising a casing (10) which delimits a cavity (3) and an optical fibre sensor (2), the optical fibre sensor comprising an optical fibre (12), the optical fibr...  
WO/2018/041238A1
A hydrophone (100, 300) and compound hydrophones (200, 400, 500) made of the hydrophone (100, 300) comprises at least one strip-like transduction element (110, 311), a shell (120) or housing (122), sound-permeable sealing sheet (130, 140...  
WO/2018/038767A1
A system and method for measuring the vibrations of a test object, such as a machine shaft or other rotating equipment. The system includes a probe sensor fitting having an ultrasonic speaker and an ultrasonic microphone. The probe; sens...  
WO/2018/035833A1
A distributed fibre sensing system and a vibration detection and positioning method therefor. The system comprises: a signal generating module, a light source module, an optical frequency comb generating module, a frequency sweeping stri...  
WO/2018/033656A1
The present invention relates to a non-intrusive device and a method for automatically detecting cavitation in a ship, said cavitation being caused by a propeller of the ship or the interaction between the hull and the propeller of the s...  
WO/2018/029270A1
The invention relates to a method and system for testing an operating element (13) for a vehicle. In the method, a structure-borne sound sensor (23) is coupled to the operating element (13) and an actuation of the operating element (13) ...  
WO/2018/030660A1
Disclosed is a train control system which can efficiently and precisely detect a location of a train by using a plurality of seismic sensors, and can also minimize the cost required for maintenance. Provided is a train control system com...  
WO/2018/025031A1
Method for producing an electrical impedance tomographic image of an acoustic field within a fluid, comprising the steps of: a) positioning a plurality of electrodes within a fluid; b) applying an electrical signal to each electrode with...  
WO/2018/024713A1
The present invention relates to a mechanical resonator device. The resonator device comprises a resonator element made of an elastic material under tensile stress and adapted for sustaining at least one oscillation mode; and a clamping ...  
WO/2018/024058A1
Provided are a reverberation time estimation method and apparatus, used for solving the problem, in existing reverberation time estimation methods based on speech models, of the reverberation time of reverberation speech for which the re...  
WO/2018/020148A1
The invention relates to a method and a device for measuring the thickness of a metallic coating of a substrate, said method being of the type comprising the following steps: providing a substrate (10) coated with a metallic coating (12)...  
WO/2018/015157A1
The invention relates to a vibration sensor comprising a membrane that can be stimulated so as to oscillate by means of a piezoelectric drive, and a mechanical oscillator arranged on the membrane, at least one piezoelectric element of th...  
WO/2018/017902A2
Methods for noninvasive determination of acoustical properties of fluids flowing in pipes having a large ratio (> 10) of pipe diameter to wall thickness, and in highly attenuating fluids are described. When vibrations are excited on the ...  
WO/2018/012123A1
A diagnosis device (100) includes: a storage unit (101) that stores, in association with vibration-phenomenon videos, individual vibration-phenomenon information about a plurality of kinds of vibration phenomena that may occur in a machi...  
WO/2018/011224A2
The present invention concerns an apparatus and method for managing an industrial plant, an oil and gas plant, a petrochemical plant or the like, the apparatus and method being adapted, in particular, to improve the plant availability by...  
WO/2018/011224A3
The present invention concerns an apparatus and method for managing an industrial plant, an oil and gas plant, a petrochemical plant or the like, the apparatus and method being adapted, in particular, to improve the plant availability by...  
WO/2018/012249A1
According to the present invention, a grounding section is extracted on the basis of a signal detected by a first acceleration sensor (11a) only during a time period in which a grounding angle based on the rotation angle of a tire (3) is...  
WO/2018/007278A1
It is proposed a method for detecting a malfunction of a dual-sensing system for sensing a fluid mixture stored in a tank of a vehicle, the dual-sensing system being able to provide values of two physical quantities, i.e. one quantity in...  
WO/2018/001678A1
A data collector (15) which can be connected to a first measurement point (10) arranged on a measurement object (1) and is set up to collect measurement data, which relate to at least one measurement variable of the measurement object (1...  

Matches 1 - 50 out of 23,671