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