| Patents for G01H 11 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties (3,253) |
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| 04/01/2014 | US8683866 Method of matching sensors in a multi-probe turbine blade vibration monitor |
| 03/27/2014 | WO2014046237A1 Leakage detector, leakage detection method, and pipe network monitoring apparatus |
| 03/26/2014 | EP2709767A1 A sensor device for a centrifugal separator and a centrifugal separator with such a sensor |
| 03/26/2014 | CN203502109U Piezoelectric-ceramic induction device |
| 03/26/2014 | CN203502108U Sound wave acquisition circuit |
| 03/26/2014 | CN103674544A Revolving shaft vibration detector |
| 03/26/2014 | CN103674225A Locally-polarized piezoelectric film sensor |
| 03/26/2014 | CN103674224A SADA (Solar Array Drive Assembly) micro vibration testing method |
| 03/26/2014 | CN103674223A Device, system and method for testing noise source |
| 03/26/2014 | CN103674222A Sound parameter detection device for breeding with ultrasonic waves |
| 03/26/2014 | CN103674221A Method for detecting, analyzing and screening vibration signals of motor of static-pressure liquid-floated gyro-accelerometer |
| 03/26/2014 | CN103654852A Integrated circuit apparatus, ultrasound measuring apparatus and ultrasound diagnosis apparatus |
| 03/26/2014 | CN103654850A Attachment for ultrasonic probe, ultrasonic probe and ultrasonic diagnostic apparatus |
| 03/26/2014 | CN102506989B Speed-type vibration sensor with adjustable magnetic circuit |
| 03/25/2014 | US8677828 Vibration detecting device |
| 03/19/2014 | CN203490359U Portable transformer station noise imaging positioning detecting device |
| 03/19/2014 | CN103644964A Vibration-wire-type infrasonic wave sensor based on PVDF |
| 03/19/2014 | CN103644963A A module and a method for acquiring and processing a vibration signal of the rotating component of a helicopter |
| 03/18/2014 | US8671763 Sub-surface windscreen for outdoor measurement of infrasound |
| 03/12/2014 | CN203479391U Blasting vibration data monitoring and alarm system |
| 03/12/2014 | CN102331574B Ultrasonic sensor |
| 03/05/2014 | EP2703825A1 Force sensor and method for testing its reliability |
| 03/05/2014 | CN203466956U Amplitude and phase variable double-resonance sound wave generator |
| 03/05/2014 | CN203466955U Sound intensity instrument frequency response calibrating device of acoustic coupler method |
| 03/05/2014 | CN203464995U Piezoelectric hydrophone |
| 03/05/2014 | CN203464994U Novel overhead power transmission line galloping monitoring device |
| 03/05/2014 | CN103616149A Supporting frequency test method of whole satellite micro-vibration ground test free boundary simulating device |
| 03/04/2014 | US8664828 Testing apparatus for piezoelectric/electrostrictive device |
| 02/26/2014 | CN203455070U Circuit structure based on vibration detection nodes |
| 02/26/2014 | CN103604493A Voice signal probing and alarming system |
| 02/26/2014 | CN103604492A Ultrasonic frequency detection system and method of ultrasonic wave machining tool detection |
| 02/19/2014 | CN203443664U Slight shock data acquisition facility based on CompactRIO platform |
| 02/19/2014 | CN203443663U Device for detecting phase difference in Bohr resonance instrument |
| 02/19/2014 | CN103592020A Vibration signal wireless collecting device |
| 02/19/2014 | CN103592019A Sound diode based on time-dependent modulation |
| 02/19/2014 | CN103591975A Ultrasonic wave sensor index detection method and device |
| 02/13/2014 | WO2014025304A2 A multi-purpose monitoring system suitable for natural disaster alarms |
| 02/13/2014 | WO2014024979A1 Device for detecting damage to support structure for armature shaft |
| 02/12/2014 | CN203432678U Acoustic surface wave sensor for resisting same frequency interference |
| 02/12/2014 | CN203432677U Dynamic calibration device of eddy current sensor |
| 02/12/2014 | CN203432676U Intelligent vibration monitor |
| 02/12/2014 | CN103575383A Low-frequency multi-output passive servo vibration sensor capable of simultaneously measuring acceleration and velocity |
| 02/06/2014 | WO2014019075A1 Active acoustic pressure mapping system |
| 02/05/2014 | CN103561872A A sensor device for a centrifugal separator and a centrifugal separator with such a sensor. |
| 01/30/2014 | US20140028459 Method and system for leak detection in a pipe network |
| 01/29/2014 | CN103547895A Method and apparatus for sensing underwater signals |
| 01/29/2014 | CN103542927A Household noise monitoring method and household noise monitoring system |
| 01/29/2014 | CN102829856B Vibration-excitation testing device for sound needle tuning of music box |
| 01/29/2014 | CN102721462B Method for quickly computing Bode plot and Nyquist plot of rotary mechanical vehicle starting and parking processes |
| 01/23/2014 | WO2014013362A1 Refrigerated pipe leakage detection system |
| 01/22/2014 | CN203405274U Noise monitor for passenger compartment |
| 01/22/2014 | CN103528669A Ultrasonic sound intensity detection circuit |
| 01/22/2014 | CN103528668A Physical-simulation test processing system for microvibration of refrigerating machine and test method thereof |
| 01/22/2014 | CN103526292A In-plane shearing type piezoelectric sensing element and manufacturing method thereof |
| 01/16/2014 | US20140013851 Self-powered sensor system |
| 01/15/2014 | CN203396478U Oscillating type transmission line dancing detection apparatus |
| 01/15/2014 | CN103512649A Ultrasonic probe and ultrasonic inspection apparatus |
| 01/15/2014 | CN102853898B Three-dimensional MEMS (Micro-electromechanical System) monolithic integrated vector hydrophone |
| 01/09/2014 | US20140010388 Capacitive transducer, capacitive transducer manufacturing method, and object information acquisition apparatus |
| 01/09/2014 | US20140007693 Capacitive transducer |
| 01/09/2014 | US20140007692 Surface acoustic wave monitor for deposition and analysis of ultra-thin films |
| 01/09/2014 | US20140007591 Advanced tip-timing measurement blade mode identification |
| 01/08/2014 | EP2682196A1 Capacitive transducer, capacitive transducer manufacturing method, and object information acquisition apparatus |
| 01/08/2014 | CN203386071U Sound intensity guide trolley |
| 01/08/2014 | CN103499387A Micro-vibration signal processing method |
| 01/08/2014 | CN103499386A Method and device for precisely measuring frequency |
| 01/01/2014 | CN203376855U Ruminant animal monitoring system |
| 01/01/2014 | CN203376054U Vibration sensor device |
| 12/27/2013 | WO2013190727A1 Vibration detecting apparatus and vibration detecting method |
| 12/25/2013 | CN203364955U Low-noise high-precision acoustic signal measurement circuit |
| 12/25/2013 | CN103471706A Micro-vibration test system of solar array drive mechanism |
| 12/25/2013 | CN103471705A Ultra-low frequency six-component micro-vibration measurement system |
| 12/25/2013 | CN103471703A Non-aliasing reconstruction method of high-speed leaf undersampled leaf apex vibration signals |
| 12/25/2013 | CN103470737A Intelligent damping equipment of wind power gear box |
| 12/25/2013 | CN102889926B Ultrasonic wave anti-noise detection method and system |
| 12/25/2013 | CN102762964B Interactive panel comprising piezoelectric transduction devices |
| 12/18/2013 | EP1552721B1 Micromachined ultrasonic transducers and method of fabrication |
| 12/18/2013 | CN203349925U Glass vibration detection device |
| 12/18/2013 | CN203349924U Dynamic noise monitor of intelligent broadcast shock type |
| 12/18/2013 | CN203349923U Vibration detection alarm protection switch |
| 12/18/2013 | CN203349922U Vibration sensor probe |
| 12/18/2013 | CN203349849U Driving test cake magnetic induction sensor detection device |
| 12/18/2013 | CN103455839A Sound measurement RFID system and sound measurement method thereof |
| 12/18/2013 | CN103453980A Sound field parameter obtaining method based on compressed sensing |
| 12/12/2013 | WO2013181977A1 Audible noise calculation method for high voltage dc power transmission line |
| 12/12/2013 | DE102006000312B4 Zündzeitsteuerungsvorrichtung für eine Brennkraftmaschine Ignition timing control device for an internal combustion engine |
| 12/11/2013 | CN203337352U Eddy current sensor multi-channel dynamic calibration device |
| 12/11/2013 | CN103438921A Method for calibrating sound pressure output and collecting channel based on DSP |
| 12/11/2013 | CN102901558B 三维压电陶瓷矢量水听器 Three-dimensional piezoelectric ceramic hydrophone |
| 12/05/2013 | US20130322215 Acoustic Sensor With An Acoustic Object Detector For Reducing Power Consumption In Front-End Circuit |
| 12/04/2013 | CN203323864U High-sensitivity piezoelectric vibration sensor |
| 12/04/2013 | CN203323863U Spring vibration sensor used for burglar alarm of automobile and motorcycle |
| 12/04/2013 | CN203323862U Vibration platform calibration tool used for eddy-current transducer |
| 12/04/2013 | CN203323861U Automatic detection and protection device for drill vibration |
| 12/04/2013 | CN103424258A Fault diagnosis method for rolling bearing |
| 12/04/2013 | CN103424181A Carrier component with integrated sensor unit |
| 12/04/2013 | CN103424180A Noise detector used under complex environment |
| 12/04/2013 | CN103424179A Noise alarm system |
| 12/04/2013 | CN103424178A System and method for detecting working conditions of compressor of refrigerating equipment |
| 11/28/2013 | WO2013073374A3 Electromechanical transducer |