| 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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| 08/08/2013 | WO2013113297A1 Electrode for percutaneous neurostimulation therapy and reflex movement detector |
| 08/07/2013 | CN203117317U Piezoelectric sensor based transformer vibration on-line monitoring device |
| 08/07/2013 | CN103234622A Device and method for diagnosing valve failure based on throttling excitation characteristics of valve port |
| 08/07/2013 | CN103234621A Wind power blade wireless vibration monitoring device and method on basis of kinetic energy battery |
| 08/01/2013 | WO2013110684A1 System for detecting an intrusion attempt inside a perimeter defined by a fence |
| 08/01/2013 | US20130197350 Radiation force balance calibrator |
| 07/31/2013 | CN203101039U Blower fan blade modal wireless monitoring device based on ZigBee technology |
| 07/31/2013 | CN103226037A Method of determining noise measuring point arrangement based on mean deviation |
| 07/31/2013 | CN102426053B Equalprecision frequency measuring method and device for single-coil vibration wire type instrument |
| 07/31/2013 | CN102322942B Vibration signal vector ellipse spectrum analyzing method of rotating machinery |
| 07/31/2013 | CN102221399B Microphone infinity-shaped directional characteristic adapter |
| 07/24/2013 | CN203083695U Simple device for measuring bridge vibration |
| 07/24/2013 | CN103217211A Substation noise source distribution measuring method based on synthetic aperture principle |
| 07/24/2013 | CN103217210A Piezoelectric type noise sensor |
| 07/24/2013 | CN101790675B Absolute displacement detection method and absolute displacement sensor using the method |
| 07/18/2013 | WO2013105298A1 Vibration sensor and external environment detection device |
| 07/17/2013 | CN203067637U Shock-absorption alarming structure of textile machinery |
| 07/17/2013 | CN103207010A High-accuracy acceleration signal detecting and analyzing device |
| 07/10/2013 | CN103196544A Oil pumping unit well light condition monitoring device |
| 07/10/2013 | CN103196543A Anti intense radiation vibration sensing device based on coincidence method |
| 07/10/2013 | CN102322940B Vortex street frequency detection method based on random energy resonance |
| 07/10/2013 | CN101449157B Device for non-destructive testing of a structure by vibratory analysis |
| 07/03/2013 | EP2610597A1 Vibration sensor |
| 07/03/2013 | CN103185634A Method and device for measuring noise of automobile seat motor |
| 07/03/2013 | CN103185555A Device for measuring material thickness |
| 07/03/2013 | CN102519575B True RMS vibration intensity two wire transmitter |
| 06/26/2013 | CN203025281U Transformer abnormal vibration test device |
| 06/26/2013 | CN102494758B Apparatus for eliminating interference of vibration noise on velocity hydrophone |
| 06/20/2013 | WO2012175492A3 Capacitive ultrasonic transducer |
| 06/19/2013 | CN203011520U Amplitude gauge used for ultrasonic transducer and based on eddy-current method |
| 06/19/2013 | CN203011337U Hydraulic decoking development monitor in coke tower of delayed coking device |
| 06/19/2013 | CN103162809A Electromechanical sensor |
| 06/19/2013 | CN103162808A Vibration measurement device based on series connection of three speed-measuring coils |
| 06/19/2013 | CN102564566B Vibration test system of locomotive cooling tower |
| 06/19/2013 | CN102494759B Interface circuit of differential capacitance micro vibrating sensor |
| 06/19/2013 | CN102353442B Excitation method and apparatus thereof of vibrating wire instrument |
| 06/13/2013 | WO2013083403A2 Device for detecting at least one body part of a person in a defined location |
| 06/12/2013 | CN202994288U Vibration sensing device for electric car |
| 06/12/2013 | CN202994287U Fixing device for machine tool main shaft vibration testing sensor |
| 06/12/2013 | CN103149470A Method of distinguishing transformer magnetizing rush current by transformer winding vibration |
| 06/12/2013 | CN101877811B Microelectromechanical system (mems) device with senstivity trimming circuit and trimming process |
| 06/06/2013 | US20130139597 Wavelength division sensing rf vibrometer for accurate measurement of complex vibrations |
| 06/05/2013 | EP2598870A1 Method for preparing a part based on the production of a soldered or brazed joint using a magnetostrictive material |
| 06/05/2013 | EP2598869A1 Method for preparing a part consisting of forming a magnetostrictive material at the surface thereof |
| 06/05/2013 | CN202974916U Device for detecting stratification conditions of raw coal mixtures |
| 06/05/2013 | CN202974646U Online monitoring device of sound wave soot blower titanium metal diaphragm |
| 06/05/2013 | CN202974445U Large unit state monitor system based on infrared monitor |
| 06/05/2013 | CN202974422U Sensor and engineering machine containing the same |
| 06/05/2013 | CN103134582A Aero-engine body vibration component tracking numerical computation method |
| 05/30/2013 | US20130133431 Input device |
| 05/28/2013 | US8448494 Integrated electronic microbalance plus chemical sensor |
| 05/23/2013 | WO2013073374A2 Electromechanical transducer |
| 05/22/2013 | EP2594946A1 Shaft speed and vibration sensor apparatus |
| 05/22/2013 | CN202949468U Composite type sensor |
| 05/21/2013 | US8443673 High sensitivity geophone |
| 05/21/2013 | US8443672 Low-power shock and vibration sensors and methods of making sensors |
| 05/15/2013 | CN202938979U Electrical system of steel ball vibration measuring instrument |
| 05/15/2013 | CN202938906U High-performance ultrasonic sensor |
| 05/15/2013 | CN202938905U Vibration detection circuit of security alarm device |
| 05/15/2013 | CN103105226A Pairing bearing vibration signal collection device |
| 05/15/2013 | CN103105121A Proximity sensor assembly and inspection system |
| 05/15/2013 | CN103104645A Shock absorption alarm structure of textile machinery |
| 05/15/2013 | CN102175305B Single chip integrated trivector vibration sensor |
| 05/15/2013 | CN101792964B Water level/vibration detecting apparatus for washing machine and washing machine having the same |
| 05/14/2013 | CA2496988C Sensor apparatus and method for detecting earthquake generated p-waves and generating a responsive control signal |
| 05/09/2013 | US20130111994 System and method for strain and acoustic emission monitoring |
| 05/08/2013 | EP2590435A1 Vibration device |
| 05/08/2013 | DE10104610B4 Ultraschall-Sensoranordnung für horizontal polarisierte Transversalwellen Ultrasonic sensor arrangement for horizontally polarized shear waves |
| 05/08/2013 | CN202928686U Piezoelectric infrasonic wave sensor based on PVDF array |
| 05/08/2013 | CN103090962A Method for identifying degradation on generator stator winding end portion through vibration of transformer winding |
| 05/08/2013 | CN102564565B Maglev two-dimensional cylindrical vector hydrophone |
| 05/02/2013 | WO2013061384A1 Acoustic wave sensor |
| 05/01/2013 | EP2587232A1 System and method for detecting mechanical vibrations |
| 05/01/2013 | EP2585819A1 Measurement of slurry density |
| 05/01/2013 | CN202916004U Piezoresistive/piezoelectric composite sensor and monitoring system based on the same |
| 05/01/2013 | CN202916003U Shock pulse transmission meter |
| 05/01/2013 | CN202916002U Underwater sound wave collecting system |
| 05/01/2013 | CN202916001U System for monitoring oscillation of transmission lines based on pressure-sensitive sensor |
| 05/01/2013 | CN103080707A 振动传感器 Vibration Sensor |
| 05/01/2013 | CN103076364A Sensing property measuring device and method for IPMC membrane |
| 04/24/2013 | CN202903323U Wireless detection device for equipment state detection |
| 04/24/2013 | CN202903322U Reading room noise warning device |
| 04/24/2013 | CN202898807U Magneto-resistive type eccentric load sensor in full-automatic pulsator washing machine |
| 04/24/2013 | CN103063428A Wireless monitoring system and method for modal parameter of blade of fan |
| 04/24/2013 | CN103063292A Piezoelectric crystal plate resonant frequency measurement method |
| 04/18/2013 | WO2013056182A1 Piezoelectric devices and methods |
| 04/18/2013 | WO2013053586A1 Ultrasonic sensor array |
| 04/17/2013 | CN202885965U Supersonic wave anti-noise detection system |
| 04/17/2013 | CN202885964U Testing apparatus for oscillation of numerical control machine tool servo motor |
| 04/17/2013 | CN103048357A Device for detecting layered condition of raw coal mixture |
| 04/10/2013 | CN202869639U Portable digital vibration measurer |
| 04/10/2013 | CN202869638U Self-adaptive processing system of keyphase signals of a rotary machine |
| 04/10/2013 | CN103033257A Measuring method for vibration state of antifriction bearing |
| 04/10/2013 | CN103033256A Underwater acoustic receiver for measuring of ambient sea noise |
| 04/10/2013 | CN103033255A Extraction device for relative motion capacity of low-frequency electromagnetic vibration generator system |
| 04/10/2013 | CN102353443B Elastic vibration disturbance testing system with adjustable rigidity |
| 04/10/2013 | CN102006535B Packaging structure for vector hydrophone |
| 04/10/2013 | CN101871733B Safety detecting method for flue gas waste heat recovery power system of industrial furnace |
| 04/04/2013 | US20130081474 Sensor element, method for manufacturing sensor element, sensor device, and electronic apparatus |
| 04/03/2013 | CN202853912U Train fault detecting device |