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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08/11/2010 | EP2215440A2 Circuit for a micromechanical structure-borne sound sensor and method for operating a micromechanical structure-borne sound sensor |
08/11/2010 | CN201548526U Piezoelectric frequency spectrum sensing device |
08/11/2010 | CN201548394U Portable drive noise tester suitable for controlling meshing quality of bevel gears |
08/11/2010 | CN201548320U Vibration monitor |
08/11/2010 | CN201548319U Rotary shaft vibration sensor |
08/11/2010 | CN201548318U Adjustable vibration detector |
08/11/2010 | CN201548252U Axially adjustable eddy current sensor sealing connector |
08/11/2010 | CN101800485A Construction method of quasi-independent modal sensor |
08/11/2010 | CN101241191B Method for enlarging moving-coil geophone magnetostatic field and a moving-coil geophone |
08/04/2010 | CN101793531A Surface acoustic wave based micro-sensor apparatus and method for simultaneously monitoring multiple conditions |
08/04/2010 | CN101792964A Water level/vibration detecting apparatus for washing machine and washing machine having the same |
08/04/2010 | CN101792110A Mems传感器 Mems Sensor |
08/04/2010 | CN101271320B Early warning device and method for submerged roller shaft head rupture |
07/28/2010 | CN101790675A Absolute displacement detection method and absolute displacement sensor using the method |
07/28/2010 | CN101788332A Rotating-speed tracking vibration measuring system |
07/21/2010 | EP2209110A1 Vibration sensor |
07/21/2010 | CN101782644A Method for measuring plane two-dimensional vector sound intensity and measuring probe with adjustable measurement frequency band |
07/21/2010 | CN101782475A Blade fault diagnosing method based on vibration of wind generating set |
07/21/2010 | CN101782459A Oil bit fault diagnosis testing device |
07/21/2010 | CN101782426A Detection method of looseness fault vibration of power transformer winding |
07/21/2010 | CN101782425A Device for testing vibration function of portable electronic device |
07/21/2010 | CN101782424A 振动传感器 Vibration Sensor |
07/20/2010 | US7759839 Acoustic decoupling in cMUTs |
07/20/2010 | US7757556 Method and system for diagnosing mechanical, electromechanical or fluidic components |
07/15/2010 | US20100175477 Acoustic sensor |
07/15/2010 | US20100175476 Vibration sensor |
07/15/2010 | US20100175475 Device and method of testing a vibrating device |
07/14/2010 | CN201527476U House keeper type GPS monitoring communication system |
07/14/2010 | CN101776521A Fixed rotating speed trigger non-steady state signal acquisition device of mechanical rotation system |
07/08/2010 | US20100170345 Elastic wave measurement apparatus and method |
07/07/2010 | EP2203723A1 Piezoelectric transducer for the non-destructive testing of a structure comprising a hole |
07/07/2010 | CN101770592A Vibration detection electronic tag and system based on touch pressure switch |
07/07/2010 | CN101769785A Vibration state spot check method for water injection machines and detection device |
07/07/2010 | CN101769784A Sensor assembly |
07/06/2010 | US7748274 Document inspection system |
07/01/2010 | WO2010074045A1 Robot hand system with gripping section |
06/30/2010 | CN101762316A System and method for detecting and measuring vibration in an industrial roll |
06/30/2010 | CN101760938A Detection module and clothes processing device with detection module |
06/30/2010 | CN101488033B Structural vibration and noise control device based on energy recovery |
06/24/2010 | US20100155883 Integrated mems and ic systems and related methods |
06/23/2010 | EP2199786A1 Ultrasound inspection methods for noisy cast materials and related probes |
06/23/2010 | CN201514463U Looseness fault diagnostic device for switching contact of on-load tapping changing switch of power transformer |
06/23/2010 | CN201514275U high-sensitivity contact-type vibration monitoring piezoelectric sensor |
06/23/2010 | CN201514274U Solar noise-measuring display board |
06/23/2010 | CN201514201U Device for monitoring state of bow net of electric locomotive |
06/23/2010 | CN201514194U High-voltage inductive sensor |
06/23/2010 | CN101752833A State monitoring protection device |
06/23/2010 | CN101750189A Apparatus for measuring unbalance forces |
06/16/2010 | EP2196800A2 Method and device for testing a body which conducts electricity by means of ultrasound |
06/16/2010 | CN201508233U Vibration sensor |
06/16/2010 | CN101739592A Current generation-based vibration measuring type electronic tag and system thereof |
06/16/2010 | CN101738250A T-shaped sensitive body of vector hydrophone |
06/16/2010 | CN101464168B Noise source recognition method for vehicle acceleration noise |
06/16/2010 | CN101354283B Encapsulation structure of micro-nano bionic vector water sound sensor |
06/10/2010 | US20100141090 Acoustic sensor with piezo-arrangement film |
06/09/2010 | CN101726401A Scale measuring device for pitching dynamic derivative experiment |
06/09/2010 | CN101224505B Chuck apparatus |
06/08/2010 | US7734133 Hollow core waveguide for laser generation of ultrasonic waves |
06/08/2010 | US7730786 Seismic sensor providing a body and an insertion tip having at least two wings between which cavities extend, and corresponding insertion tip |
06/02/2010 | EP2192394A1 Elastic wave measuring device and method |
06/02/2010 | CN201497568U Device for sensing elastic stress wave of coal rock mass |
05/27/2010 | US20100129940 Vibration monitoring of electronic substrate handling systems |
05/26/2010 | CN201488805U Piezoelectric type omnibearing vibration sensor |
05/26/2010 | CN201486545U Underground vibration measuring instrument |
05/26/2010 | CN101713765A Piezoelectric spectral sensor |
05/19/2010 | CN201477423U Intelligent vibration monitoring and protecting apparatus |
05/19/2010 | CN201476873U Vibration temperature sensor |
05/19/2010 | CN201476872U integrated vibration transmitter |
05/19/2010 | CN101709994A Method for measuring low rotating speed shafting torsional vibration |
05/12/2010 | CN201464029U Machine vibration signal virtual analysis device |
05/12/2010 | CN201464028U Three-dimensional resonant piezoelectric ceramics vector hydrophone |
05/12/2010 | CN201464027U Ultra-low frequency three dimensional dynamic vibration measuring system |
05/12/2010 | CN201464026U Vibration detection device for vibrating screens |
05/12/2010 | CN1945216B Three position integrated micro mechanical resonant beam system |
05/12/2010 | CN1877998B Digital phase-locking loop for resistance vibration-pickup type silicon micro-mechanical resonate sensor |
05/11/2010 | US7713471 System for protecting circuitry in high-temperature environments |
05/05/2010 | EP2182327A1 Inferential signal generator for instrumented equipment and processes |
05/05/2010 | CN101701976A Third rail detection device and method |
05/05/2010 | CN101701869A Portable transmission noise meter for controlling engaging quality of bevel gear |
05/04/2010 | US7707890 Acoustic sensor for proactive fault monitoring in computer systems |
05/04/2010 | US7707888 Vibration sensor and method of detecting vibration |
04/29/2010 | WO2010027615A3 Asymmetric composite acoustic wave sensor |
04/21/2010 | EP2177885A1 Absolute displacement detection method and absolute displacement sensor using the method |
04/21/2010 | CN101696966A Butler-type GPS monitoring communication system |
04/21/2010 | CN101696901A System and method for testing and analyzing automobile vibration |
04/20/2010 | US7698949 Active washers for monitoring bolted joints |
04/08/2010 | WO2009149701A3 Device for measuring the ultrasonic radiation of ultrasonic devices |
04/08/2010 | US20100088067 In Situ Health Monitoring of Piezoelectric Sensors |
04/06/2010 | US7690792 Projector and method of controlling ultrasonic speaker in projector |
03/31/2010 | CN101688820A System and method for bearing fault detection using stator current noise cancellation |
03/25/2010 | US20100072859 Device for converting mechanical impact energy into electrical energy with optimised efficiency |
03/18/2010 | US20100066550 Vibration-activated flashlight |
03/17/2010 | EP2164280A1 Acoustic sensor |
03/17/2010 | CN101672691A Hydrophone phase low-frequency calibration tube |
03/11/2010 | WO2010027615A2 Asymmetric composite acoustic wave sensor |
03/11/2010 | US20100058866 Magnetostrictive substance detection system and method |
03/10/2010 | CN201421363Y Novel sound milling device adopting frequency selection mode |
03/04/2010 | WO2010023344A1 Ultrasound device for the emission of acoustic waves in air in the ultrasonic range |
03/04/2010 | WO2009139849A3 Sensor for airborne shooter localization system |
03/03/2010 | CN101660941A Structure-modified piezoelectric signal detector |