| 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) |
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| 11/18/2008 | CA2422003C A method for obtaining and use of an accurate detection value of a similarity between images, voices, oscillation waves and for judging abnormalities in a machine |
| 11/06/2008 | US20080271580 Equipment Comprising at Least One Rotary Member and Means for Measuring Vibrational Frequencies of Said Member to Determine Its Wear Condition, Corresponding Control Unit and Method |
| 11/06/2008 | US20080271536 Apparatus and Method for Testing Flow Noise |
| 11/05/2008 | CN201145802Y Camera with function of detecting vibration |
| 11/05/2008 | CN201145613Y Circuit capable of enhancing measurement phase response speed |
| 11/05/2008 | CN101299034A Acoustic emission system for monitoring construction collapse in fire and monitoring method thereof |
| 10/30/2008 | WO2008130344A1 Remote, early-time acoustic impact doppler inspection |
| 10/29/2008 | CN101294869A System and method for engine sound calibration |
| 10/29/2008 | CN101294845A Multi-frequency weak signal detecting method for early failure of rotor |
| 10/23/2008 | WO2008126916A1 Sound source separating device and sound source separating method |
| 10/23/2008 | US20080257047 Machine and operating environment diagnostics, detection and profiling using sound |
| 10/21/2008 | CA2318386C Method for measuring and controlling oscillations in a wind turbine |
| 10/16/2008 | DE102005061851B4 Klopferkennungsvorrichtung für einen Verbrennungsmotor Knock detection device for a combustion engine |
| 10/08/2008 | CN201131028Y Mobile communication terminal capable of reminding sound volume |
| 10/08/2008 | CN201130107Y Air conditioner detecting device |
| 10/08/2008 | CN201130021Y High steadily composite balancing device for bearing ultrasonic wave of wave measuring sensor |
| 10/02/2008 | WO2008117765A1 Abnormality diagnostic method and device of extremely low speed rotary machine |
| 09/24/2008 | EP1972908A1 Ae sensor and method for checking operating state of ae sensor |
| 09/24/2008 | CN101271022A Transmission path detecting system for vehicle system structure vibration and noise |
| 09/24/2008 | CN101270991A System for measuring interfere type optic fiber gyroscope eigenfrequency and half-wave voltage adopting square wave modulation |
| 09/19/2008 | CA2625943A1 Method and system for vibration sensing power management |
| 09/19/2008 | CA2622159A1 Method and system for vibration sensing power management |
| 09/17/2008 | EP1970683A2 Systems and methods for predicting acoustic signatures |
| 09/17/2008 | CN101266189A Structural low-frequency vibration wireless patrol star network construction method |
| 09/11/2008 | US20080216575 Device for laser-ultrasonic detection of flip chip attachment defects |
| 09/10/2008 | CN101261759A Sensor for detecting human intruders, and security system |
| 09/10/2008 | CN101261523A Flexible contilever plate vibration control set and control method based on acceleration sensor |
| 09/10/2008 | CN101261155A Large-sized mechanical equipment structure dynamic simulation test method |
| 09/03/2008 | CN201110785Y Ultrasonic sensor |
| 09/03/2008 | CN101257599A Ambient light system and generating method thereof |
| 08/28/2008 | US20080202242 Use of acoustic signals for measuring membrane fouling in spiral wound modules |
| 08/28/2008 | DE102007030725B3 Mobile acoustic sensor for monitoring e.g. ill or weak person, has signal processor processing microphone output signal and location information to produce output data having audio signal and location data |
| 08/27/2008 | CN101251446A Method for denoising bump-scrape acoustic emission signal based on discrete fraction cosine transform |
| 08/27/2008 | CN101251445A Method for analysis of fractal characteristic of rotating machinery bump-scrape acoustic emission signal |
| 08/27/2008 | CN101251414A Method for rebuilding circulation calm sound source by wave overlapping method |
| 08/27/2008 | CN101251413A Method for rebuilding circulation calm sound source by boundary element method |
| 08/27/2008 | CN101251412A Method for rebuilding circulation calm sound source by overlapping spherical wave |
| 08/14/2008 | US20080195350 Signal processor and tracking method of signal search range |
| 08/13/2008 | EP1956497A2 Signal processor and tracking method of signal search range |
| 08/13/2008 | CN101240875A Pipeline safety early warning system |
| 08/06/2008 | CN201096896Y A water detector for active charging object detection |
| 08/06/2008 | CN201096516Y Automobile dynamic steering oil pump noise on-line detection bench isolation booth |
| 07/30/2008 | CN201094097Y Vibration-testing apparatus |
| 07/30/2008 | CN201094096Y Hydraulic turbine swing embedded type surveillance protecting equipment |
| 07/29/2008 | CA2491985C Method of simulating roller bearing degradation and predicting residual service life and apparatus for performing such simulation and prediction |
| 07/24/2008 | DE19917541B4 Verfahren zur Fehlerdiagnose Method for fault diagnosis |
| 07/23/2008 | CN101226235A Sound source three-dimensional positioning method based on mechanical coupling diaphragm |
| 07/23/2008 | CN101226102A Method of diagnosis of varying load mechanical failure |
| 07/22/2008 | US7401519 System for monitoring exposure to impulse noise |
| 07/16/2008 | CN101221067A Working process monitoring device |
| 07/15/2008 | US7401000 Acoustic vibration analyzing apparatus and acoustic vibration analyzing method, program for analyzing acoustic vibration, and recording medium, readable by computer, on which program for analyzing acoustic vibration is stored |
| 07/09/2008 | EP1282808B1 Device for error recognition in a digital signal evaluation unit |
| 07/09/2008 | CN201083539Y Portable digital sound and vibration analyzer |
| 07/09/2008 | CN101216344A Music beat detection device and its method |
| 07/09/2008 | CN101216305A Highly stable composite balancing device for bearing ultrasonic wave-measuring sensor |
| 07/03/2008 | US20080156078 Preparing a sensing platform having an emitting electrode, a receiving electrode, a sensing zone; emitting a surface acoustic wave from the emitting electrode through the sensing zone; identifying the material property according to the changed speed and/or phase of the surface acoustic wave |
| 07/02/2008 | CN101212649A Portable monitoring device and its monitoring method |
| 07/02/2008 | CN101211300A Pronunciation test device |
| 07/02/2008 | CN101210843A Thermo-acoustic heat engine acoustic field monitoring method monitoring system |
| 06/25/2008 | CN101206140A Method for automatic measurement of shaking amplitude of straddle-seat type single traffic rail beam |
| 06/25/2008 | CN101206139A Method and system for locating sound source |
| 06/19/2008 | US20080147356 Apparatus and Method for Sensing Inappropriate Operational Behavior by Way of an Array of Acoustical Sensors |
| 06/18/2008 | CN101201290A Method and system for identifying test frequency in conductor vibration test |
| 06/18/2008 | CN101201276A Method and apparatus for detecting stress of shaft journals on two end of submergence roller |
| 06/11/2008 | EP1423827B1 Device and method for the early recognition and prediction of unit damage |
| 06/11/2008 | CN201072359Y Device for detecting emission frequency of radio microphone |
| 06/11/2008 | CN100394175C Driver diagnosing method and driver diagnosing system |
| 06/04/2008 | CN101193460A Sound detection device and method |
| 05/29/2008 | US20080125992 Method For Analyzing Tone Quality Of Exhaust Sound |
| 05/28/2008 | CN100390510C Method for detecting active sound wave in supersonic flow field |
| 05/22/2008 | US20080115582 Method and apparatus for evaluating feeling of hitting generated by golf club |
| 05/21/2008 | EP1018640B1 Torsional vibration measuring instrument and torsional vibration measuring method |
| 05/15/2008 | US20080114496 Methods of analyzing the vibro-acoustic optimization potential and optimizing the vibro-acoustic behavior of a structure |
| 05/15/2008 | DE19960328B4 Schwingungsaufnehmer mit einer Druckhülse Vibration sensor with a pressure sleeve |
| 05/07/2008 | EP0983489A4 Apparatus and method for compressing measurement data correlative to machine status |
| 05/07/2008 | CN101173870A Identification and detecting method for short time acoustical feature signal time-frequency domain under complex background noise |
| 05/01/2008 | US20080102440 Pressure sensing apparatus comprising neuronal cells for use in analyzing underwater acoustics |
| 04/23/2008 | EP1914008A2 Jet noise modeling method, jet noise analyzing method,and aircraft designing method |
| 04/23/2008 | EP1163824A4 Intelligent speaker training using microphone feedback and pre-loaded templates |
| 04/17/2008 | WO2008044832A1 System and method for measuring the degree of wobble of image display device |
| 04/09/2008 | CN100380103C Manufacturing apparatus and life predictive method for whirler |
| 04/02/2008 | EP1904816A1 A signal process and system |
| 04/02/2008 | CN101153818A Noise indicating equipment and detecting method |
| 03/26/2008 | CN101149310A Automobile electric chair noise and motor current detection device |
| 03/26/2008 | CN101149287A Apparatus suitable for acoustic test for production field and test method |
| 03/20/2008 | US20080066554 Portal barrier movement alarm |
| 03/18/2008 | US7346461 System and method of analyzing vibrations and identifying failure signatures in the vibrations |
| 03/13/2008 | WO2007064806A3 Non-invasive vibro-acoustic analysis |
| 03/12/2008 | CN201034722Y Measurement mechanism of ultrasonic wave transducer acoustic beam angle of widening |
| 03/12/2008 | CN201034721Y Noise on-line monitoring instrument |
| 03/12/2008 | CN101140183A Circuit for maintaining vibrating signal synchronous |
| 03/11/2008 | US7340957 Ultrasonic analyte concentration and application in flow cytometry |
| 03/06/2008 | US20080056505 Strip with acoustic damping properties |
| 03/05/2008 | CN101136136A Electronic appliance and voice signal processing method for use in the same |
| 03/05/2008 | CN101135614A Anomaly monitoring device and method |
| 02/27/2008 | CN100371692C Device for indicating the vibration level of an apparatus |
| 02/20/2008 | CN101126680A Thermal power plant ball mill load soft-sensing method |
| 02/20/2008 | CN101126660A Circuit for fitting dissimilar sensor input |
| 02/19/2008 | CA2337267C Dynamic holographic velocimeter for measuring vibrations |
| 02/13/2008 | CN101122518A Method and device for noise test through portable equipment |