Patents
Patents for G01H 17 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass (3,373)
04/2014
04/30/2014CN103759814A Method for multi-frequency hybrid calibration of vibration measuring sensor
04/30/2014CN103759813A Method for reconstructing Patch near-field acoustic holography sound field based on multi-spherical-domain waveform superposition algorithm
04/30/2014CN103759812A Method for detecting non-stationary acoustic sources based on near-field acoustical holography technology
04/30/2014CN103759811A Near-field acoustical holography reconstruction method based on Fourier transformation and source strength simulation technology
04/30/2014CN103759810A Noise qualification approval equivalent test flight method of large transport-category aircraft
04/30/2014CN102650545B High sound intensity level calibration device with combination of high sound pressure source and phase control and method
04/30/2014CN102607695B Method for calculating natural frequency of honeycomb sandwich plate
04/30/2014CN102243143B Bearing abnormal sound detection control method and bearing vibration measuring instrument
04/24/2014US20140109679 Method For Identifying A Fault In An Electrical Machine
04/24/2014DE112012003150T5 Verfahren zum Erfassen eines Verbrennungsgeräuschs in einem Verbrennungsmotor, Verbrennungsgeräusch-Erfassungsvorrichtung und Vorrichtung zum Steuern eines Verbrennungsmotors A method for detecting a combustion noise in an internal combustion engine, combustion noise detecting apparatus and apparatus for controlling an internal combustion engine
04/23/2014CN203561438U Ultrasonic power equipment detector
04/23/2014CN103745085A Data driving threshold value noise-reduction method for rotary machine vibration signals
04/23/2014CN103743585A Mechanical failure diagnosing method
04/23/2014CN103743478A Spherical detector with flexible solar battery
04/23/2014CN103743477A Mechanical failure detecting and diagnosing method and apparatus
04/23/2014CN103743476A Automobile noise testing method
04/23/2014CN103743475A Noise detection method and apparatus
04/23/2014CN103743474A Near-field acoustical holography reconstruction method based on boundary element method
04/23/2014CN103743473A Near-field acoustical holography reconstruction method based on equivalent source method
04/23/2014CN103743472A Near-field acoustical holography reconstruction method based on RBF neural network
04/23/2014CN103743471A Acoustical signal-based time parameter testing method during contactor motion process
04/23/2014CN103743470A Automobile noise spectrum analyzing method
04/23/2014CN103743469A Piezoelectric underwater sound transducer acoustic radiation mode measurement method and system
04/17/2014WO2014059240A1 Characterization and/or detection of structural characteristics associated with syringes and/or automatic injection devices based on acoustics
04/17/2014WO2014032061A3 Acoustic sensor
04/16/2014CN203551106U Tool for stably measuring tuning fork crystal element frequency
04/16/2014CN203551105U Accelerometer wireless network node module for vibration detection
04/16/2014CN203551104U Fixing clamp for hand-held vibration measurer
04/16/2014CN203551103U Bearing lifting and loading mechanism
04/16/2014CN103728014A Acceleration sensor based bridge cable vibration frequency detection method and device
04/16/2014CN103728013A Noise source recognizing method
04/16/2014CN103728012A Vibration measurement grid system
04/16/2014CN103728011A Online state monitoring system for vibration of steam turbine generator unit
04/16/2014CN103727910A Remote condition monitoring system of wind-driven generator
04/16/2014CN102759397B Efficient extraction method of friction fault characteristics in vibration signal of rotating shaft
04/16/2014CN102680155B Stress and vibration measurement device for rotary machine
04/16/2014CN102542800B System for acquiring road traffic flow information and traffic noise data synchronously
04/10/2014US20140096609 Ultrasonic sensor device and method for assembling the same
04/09/2014CN203534698U Automatic connecting mechanism for on-line detection soundproof room
04/09/2014CN203530697U Vibration detecting device in 360-degree range in horizontal direction of washing and dewatering machine
04/09/2014CN103713217A Method for monitoring operating state of power transformer on line under direct-current magnetic bias condition
04/09/2014CN103712909A Synchronous testing method for friction coefficient and friction noise of pavement
04/09/2014CN103712684A Sound field rebuilding method
04/09/2014CN103712683A Noise measurement apparatus for fuel rail fuel injector for gasoline engine
04/09/2014CN103712682A Vertical shaft hoist main shaft vibration detection method based on finite element analysis method
04/09/2014CN103712681A Noise monitoring system for carrier-rocket launch fuel-gas flows
04/09/2014CN103706032A Apparatus for measuring display amplitude
04/09/2014CN102980653B Low-frequency electromagnetic vibration table system based on autonomous relative speed feedback control device
04/09/2014CN102798431B Piezoelectric crystal oscillation and detection device
04/03/2014WO2014050349A1 Vibration sensor unit
04/03/2014WO2014050348A1 Vibration sensor unit
04/02/2014CN203519157U Horizontal swinging detection device
04/02/2014CN203519156U Horizontal swinging detection device
04/02/2014CN203519155U Omnidirectional self-powered wireless vibration sensing device for mining use
04/02/2014CN103698004A Near-field tyre/ road surface noise test device
04/02/2014CN103698003A PSD (power spectral density) algorithm-based low-power-consumption real-time vibration monitoring system and method
04/02/2014CN102928071B Road traffic noise detecting system and method based on electrocardiographic index
04/02/2014CN102865921B Quick warning method for low-frequency vibration unsteady state of steamship electric generating set
04/02/2014CN102680076B Device for simulating human vocal cord vibration and implementation method thereof
04/02/2014CN102661783B Characteristic extracting method for prediction of rotating mechanical failure trend
04/02/2014CN102564569B Bridge vibration frequency detection method based on deeply-optimized particle filter
03/2014
03/27/2014WO2014046607A1 Device and method for remotely determining the impulse response of an object using electromagnetic radiation
03/27/2014US20140083195 System for making available information which represents a vibration state for the operation of vibration-emitting machines, in particular construction machines
03/27/2014DE102012217528A1 Method for detecting acoustic emission of component and/or system, involves determining specific sets of sensor values, where one of specific set of sensor values having lower compression rate than another specific set of sensor values
03/26/2014CN103675758A Method for estimating cycle slope and starting frequency of hyperbolic frequency modulated signals
03/26/2014CN103674235A Single frequency alarm sound feature detection method on basis of STFT (Short-Time Fourier Transform)
03/26/2014CN103674234A State early warning method and system for abnormal vibration of wind generating set
03/26/2014CN103674233A Tire and road surface noise whole-sound-field testing device
03/26/2014CN103674232A Sound pressure obtaining device for testing noise sources
03/26/2014CN103674231A Time-frequency analysis method for noise signals of underwater vehicle
03/26/2014CN103674230A Denoising source separation based naval vessel vibration noise source separation and recognition method
03/26/2014CN103674229A Conductive wire galloping online monitoring system based on acoustic surface wave technology
03/26/2014CN103674228A Sound damping and vibration reducing system
03/26/2014CN103674227A Method for testing engine vibration noise under whole-automobile condition
03/26/2014CN103674226A Four-state bistable sensor device and monitoring method thereof
03/26/2014CN102636254B Method for predicting characters of noise sources of gas pipelines
03/26/2014CN102506991B Distributed urban environment noise real-time automatic monitoring system
03/25/2014US8682601 Safety valve vibration analyzer
03/19/2014EP2708860A1 Knocking sensor
03/19/2014CN103644966A Periodic signal enhancement detection device and method
03/13/2014US20140074412 Method for determining a quality characteristic and for vibration measurement
03/13/2014US20140069195 System and method for vibration analysis
03/12/2014CN203479944U Transformer diagnosis system
03/12/2014CN203479915U Noise and electromagnetic field synchronous detection system of electric power equipment based on Internet of things
03/12/2014CN203479392U Transmission tower vibration monitoring system
03/12/2014CN103630315A Purification technology of shaft center orbit in ensemble empirical mode decomposition
03/12/2014CN103630233A Acceleration sensor-based system and acceleration sensor-based method for monitoring vibration of circuit breaker
03/12/2014CN103630232A Noise source identifying and testing method for high speed train
03/12/2014CN103630231A Spectrum characteristic testing method for stator iron core clamping rings of generator
03/12/2014CN103630230A Vibration detecting method for high tower structure
03/12/2014CN102722983B Audio and video based detection system and method for horn blowing of motor vehicle in violation of regulations
03/06/2014US20140067289 Integrated vibration measurement and analysis system
03/05/2014CN203465375U Multi-positioning fault-detection complex-wiring audio detector
03/05/2014CN203464997U Automatic test system of motor noises
03/05/2014CN203464996U Standing wave tube installation mechanical device for sound intensity measurement instrument calibration device
03/05/2014CN103616071A Three-dimensional distribution visualization method for Patch near-field acoustical holography and sound quality objective parameters
03/05/2014CN103616070A Vibration detection device applied to air compressor room
03/05/2014CN103616069A A noise pollution online omnibearing monitoring evaluation method for a cement plant
03/04/2014US8661873 Mapping ultrasound transducers
02/2014
02/27/2014WO2014032061A2 Acoustic sensor
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