| 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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| 12/23/2009 | WO2009153999A1 Acoustic energy measuring device, acoustic performance evaluation device utilizing same, and acoustic information measuring device |
| 12/23/2009 | CN201369806Y Spherical microphone array |
| 12/23/2009 | CN201366912Y Tyre air leakage detection device based on no-load ultrasonic |
| 12/23/2009 | CN101609596A Method for voice messaging and automatic prompting of digital photo frame |
| 12/23/2009 | CN101608947A Sound testing method |
| 12/23/2009 | CN100573085C Method and device for assessing remaining life of rolling bearing |
| 12/23/2009 | CA2727933A1 System and method for detecting bats and their impact on wind facilities |
| 12/16/2009 | CN101601586A Hearing detection equipment with noise meter |
| 12/16/2009 | CN100570294C Frequency-characteristic-acquisition device, frequency-characteristic-acquisition method, and sound-signal-processing device |
| 12/10/2009 | US20090306937 Method and system for detecting wind noise |
| 12/09/2009 | EP2131177A1 Abnormality diagnostic method and device of extremely low speed rotary machine |
| 12/09/2009 | CN101599339A Permanent magnet type non-contact vibration exciter and excitation method thereof |
| 12/09/2009 | CN101598596A Method and equipment for analyzing noise source, especially noise of vehicle |
| 12/09/2009 | CN101598595A Method for detecting phase field of terminal points of signal |
| 12/09/2009 | CN100567915C Rough road detection system |
| 12/03/2009 | US20090299661 Method and system for minimising noise in arrays comprising pressure and pressure gradient sensors |
| 12/03/2009 | DE19953030B4 Verfahren zur Erkennung von Radschwingungen Method for detecting wheel vibrations |
| 12/02/2009 | CN101592736A High-precision intelligent quadrant earthquake tester |
| 12/02/2009 | CN100565136C Circuit for fitting dissimilar sensor input |
| 11/25/2009 | CN201352813Y Vibration signal acquisition device realized by smart phone |
| 11/19/2009 | DE102008022125A1 Verfahren und Vorrichtung zur Klassifikation von schallerzeugenden Prozessen Method and apparatus for classifying sound-generating processes |
| 11/19/2009 | DE102004030567B4 Klopferfassungsgerät für eine Brennkraftmaschine Knock detection apparatus for an internal combustion engine |
| 11/18/2009 | CN201348537Y 立式轴承振动测量装置 Vertical bearing vibration measuring devices |
| 11/18/2009 | CN101582961A Method for processing digital photo frame with special effects |
| 11/18/2009 | CN101582198A Real-time monitoring method for construction quality of core rockfill dam |
| 11/18/2009 | CN101581622A Fan checking device |
| 11/12/2009 | WO2009136754A2 Measuring device equipped with an acoustic emission sensor, a method for installing a measuring device equipped with an acoustic emission sensor, and a set comprising a measuring device equipped with an acoustic emission sensor |
| 11/11/2009 | CN201344840Y Auxiliary device for measuring sound field |
| 11/11/2009 | CN101577043A Automatic information collecting device during rolling process of corewall rock-fill dam |
| 11/11/2009 | CN101576409A Integrated casting type solid linear array |
| 11/11/2009 | CN101576408A Vibration analyzer |
| 11/11/2009 | CN101576394A Mechanical motion trigger linear actuator |
| 11/10/2009 | US7614306 Stress monitoring system for vibrator screen units |
| 11/04/2009 | EP2113755A1 Vibrational and/or acoustic transfer path analysis |
| 11/04/2009 | CN201340303Y Vibration measurement device for tracking rotating speed |
| 10/28/2009 | CN101566498A Artificial ear positioning device for sound test system |
| 10/28/2009 | CN101566496A Method for sound field separation by double plane vibration speed measurement and equivalent source method |
| 10/28/2009 | CN101566495A Method for sound field separation by double plane vibration speed measurement and two dimensional space Fourier transform |
| 10/28/2009 | CN100554675C Knock determining apparatus for internal combustion engine |
| 10/21/2009 | CN201331429Y Bearing noise tester |
| 10/21/2009 | CN201331378Y Vibration tester |
| 10/21/2009 | CN101561314A Method for testing stochastic resonance-chaotic weak signal |
| 10/21/2009 | CN100552390C Real-time ultrasonic energy monitoring apparatus and method |
| 10/14/2009 | CN201327413Y Weight type tire and pavement noise measuring tow truck |
| 10/14/2009 | CN201327412Y Noise box for detecting noise of reduction gearbox |
| 10/14/2009 | CN101556209A Equipment point inspection method and point inspection device |
| 10/14/2009 | CN101556187A Statistically optimal near-field acoustical holography used for visual recognition of air-conditioner noise sources and operation method thereof |
| 10/14/2009 | CN100549638C Method for measuring frequency characteristic and rising edge of impulse response, and sound field correcting apparatus |
| 10/14/2009 | CN100549637C Energy exchanger of reflecting probe focusing acoustic field |
| 10/14/2009 | CN100549636C Method and device for detecting oscillations of the shafting of an electric machine |
| 10/07/2009 | CN101553050A Wireless environment vibration processing module based on Zigbee technology, monitoring node, and monitoring system thereof |
| 10/07/2009 | CN101551936A Wireless environment vibration processing module based on Zigbee technology, monitoring node, and monitoring system thereof |
| 10/07/2009 | CN100547509C Flexible cantilever plate vibration control set and control method based on acceleration sensor |
| 10/07/2009 | CN100547372C Method and system for identifying test frequency in conductor vibration test |
| 10/01/2009 | CA2637155A1 Vibration sensor |
| 09/30/2009 | CN101545973A Distance measuring system and method thereof |
| 09/23/2009 | CN101539455A Method for re-establishing moving sound source by adopting moving equivalent source method |
| 09/16/2009 | CN101532920A Chaos-based method for detecting weak signals of low speed and heavy-duty device |
| 09/16/2009 | CN100541159C Method and device for monitoring status of mechanical equipment and abnormality diagnosing device |
| 09/16/2009 | CN100541145C Sound measuring apparatus and method, and audio signal processing apparatus |
| 09/09/2009 | CN100538305C Vibration measurement and recording system and method |
| 09/03/2009 | WO2009107688A1 Method for analyzing torsional vibration of power transmission system, analyzing device, analyzing program, and shafting device between engine and driven device |
| 09/02/2009 | EP1476733B1 Method and device for detection of a pulsed mechanical effect on a plant component |
| 09/02/2009 | CN201302483Y Multi-frequency power supply injection capacitor noise measuring device |
| 08/27/2009 | US20090216397 Device for attachment to a wheel and wheel with such a device |
| 08/27/2009 | DE102009004607A1 Air noises analyzing method for passenger car, involves determining interval sound level from sound pressure spectrum for frequency interval, and comparing interval sound level with desired value depending on measuring point |
| 08/26/2009 | CN201298293Y GPS terminal device with vibration sensor |
| 08/26/2009 | CN201297981Y Fixture for aeroengine blade-integrated disk frequency measurement testing |
| 08/26/2009 | CN201297980Y Hydraulic clamp device used for blade frequency measurement |
| 08/26/2009 | CN201297958Y Three-color indication noise monitoring device with sound alarm function |
| 08/20/2009 | WO2009101724A1 Sound collector |
| 08/19/2009 | CN201292973Y Radiator fan device capable of display running noise |
| 08/19/2009 | CN101509807A Test procedure for determining steering rack rattle |
| 08/18/2009 | US7574917 Method for in-situ measuring of acoustic attenuation and system therefor |
| 08/13/2009 | WO2008117765A8 Abnormality diagnostic method and device of extremely low speed rotary machine |
| 08/13/2009 | US20090204343 Test procedure for determining steering rack rattle |
| 08/13/2009 | DE102006050100B4 Straßenunebenheits-Detektionssystem Road unevenness detection system |
| 08/12/2009 | EP1240514B1 Use of a biological sensor for sensing antibiotics |
| 08/06/2009 | WO2009096551A1 Diagnostic system for bearing |
| 08/06/2009 | US20090193896 Turbocharger rotational speed sensor |
| 08/06/2009 | US20090193895 Sound field measuring method and sound field measuring device |
| 08/05/2009 | CN201285478Y Flashing sounding glasses |
| 08/05/2009 | CN201285322Y Noise detection chamber for discharge duct |
| 08/05/2009 | CN100523766C Output joint of differentiated piezoelectric acceleraometer of resisting moderate and high temperature |
| 08/05/2009 | CN100523746C Inspection apparatus and method |
| 07/30/2009 | WO2009092391A1 Ultrasound detection using a gas-liquid interface |
| 07/30/2009 | US20090192723 Dosimeter for vibrations |
| 07/29/2009 | EP1444494B1 Method and device for blanking out interference noise during knock recording in an internal combustion engine |
| 07/23/2009 | DE102008004610A1 Test object's i.e. controller, noise evaluating method for drive of e.g. hybrid vehicle, involves positioning cursor lines in spectrogram corresponding to noise components identified in spectrogram |
| 07/22/2009 | CN100516789C Abnormality diagnosis system for machinery |
| 07/16/2009 | DE102008046110A1 Opener for bottles has opening noise detector in region of functional part, measuring module and indicator |
| 07/15/2009 | CN201273843Y Music player |
| 07/15/2009 | CN201273842Y Bridge monitoring apparatus based on sensor array |
| 07/15/2009 | CN201273841Y Volume regulating LED indication ring |
| 07/15/2009 | CN100514010C Hydrophone possessing on-line self calibrating function |
| 07/14/2009 | US7561200 Apparatus and method for automation of imaging and dynamic signal analyses |
| 07/14/2009 | US7559240 Method and device for assessing residual service life of rolling bearing |
| 07/08/2009 | CN101476934A Bearing noise testing method without special requirements to testing environment |
| 07/08/2009 | CN101476933A Dynamic environment human-machine system vibration performance monitoring device |
| 07/08/2009 | CN101476932A Same-frequency Duffing transducer without sensitivity to checking signal phase and its construction method |