Patents
Patents for G01H 11 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties (3,253)
08/2010
08/11/2010EP2215440A2 Circuit for a micromechanical structure-borne sound sensor and method for operating a micromechanical structure-borne sound sensor
08/11/2010CN201548526U Piezoelectric frequency spectrum sensing device
08/11/2010CN201548394U Portable drive noise tester suitable for controlling meshing quality of bevel gears
08/11/2010CN201548320U Vibration monitor
08/11/2010CN201548319U Rotary shaft vibration sensor
08/11/2010CN201548318U Adjustable vibration detector
08/11/2010CN201548252U Axially adjustable eddy current sensor sealing connector
08/11/2010CN101800485A Construction method of quasi-independent modal sensor
08/11/2010CN101241191B Method for enlarging moving-coil geophone magnetostatic field and a moving-coil geophone
08/04/2010CN101793531A Surface acoustic wave based micro-sensor apparatus and method for simultaneously monitoring multiple conditions
08/04/2010CN101792964A Water level/vibration detecting apparatus for washing machine and washing machine having the same
08/04/2010CN101792110A Mems传感器 Mems Sensor
08/04/2010CN101271320B Early warning device and method for submerged roller shaft head rupture
07/2010
07/28/2010CN101790675A Absolute displacement detection method and absolute displacement sensor using the method
07/28/2010CN101788332A Rotating-speed tracking vibration measuring system
07/21/2010EP2209110A1 Vibration sensor
07/21/2010CN101782644A Method for measuring plane two-dimensional vector sound intensity and measuring probe with adjustable measurement frequency band
07/21/2010CN101782475A Blade fault diagnosing method based on vibration of wind generating set
07/21/2010CN101782459A Oil bit fault diagnosis testing device
07/21/2010CN101782426A Detection method of looseness fault vibration of power transformer winding
07/21/2010CN101782425A Device for testing vibration function of portable electronic device
07/21/2010CN101782424A 振动传感器 Vibration Sensor
07/20/2010US7759839 Acoustic decoupling in cMUTs
07/20/2010US7757556 Method and system for diagnosing mechanical, electromechanical or fluidic components
07/15/2010US20100175477 Acoustic sensor
07/15/2010US20100175476 Vibration sensor
07/15/2010US20100175475 Device and method of testing a vibrating device
07/14/2010CN201527476U House keeper type GPS monitoring communication system
07/14/2010CN101776521A Fixed rotating speed trigger non-steady state signal acquisition device of mechanical rotation system
07/08/2010US20100170345 Elastic wave measurement apparatus and method
07/07/2010EP2203723A1 Piezoelectric transducer for the non-destructive testing of a structure comprising a hole
07/07/2010CN101770592A Vibration detection electronic tag and system based on touch pressure switch
07/07/2010CN101769785A Vibration state spot check method for water injection machines and detection device
07/07/2010CN101769784A Sensor assembly
07/06/2010US7748274 Document inspection system
07/01/2010WO2010074045A1 Robot hand system with gripping section
06/2010
06/30/2010CN101762316A System and method for detecting and measuring vibration in an industrial roll
06/30/2010CN101760938A Detection module and clothes processing device with detection module
06/30/2010CN101488033B Structural vibration and noise control device based on energy recovery
06/24/2010US20100155883 Integrated mems and ic systems and related methods
06/23/2010EP2199786A1 Ultrasound inspection methods for noisy cast materials and related probes
06/23/2010CN201514463U Looseness fault diagnostic device for switching contact of on-load tapping changing switch of power transformer
06/23/2010CN201514275U high-sensitivity contact-type vibration monitoring piezoelectric sensor
06/23/2010CN201514274U Solar noise-measuring display board
06/23/2010CN201514201U Device for monitoring state of bow net of electric locomotive
06/23/2010CN201514194U High-voltage inductive sensor
06/23/2010CN101752833A State monitoring protection device
06/23/2010CN101750189A Apparatus for measuring unbalance forces
06/16/2010EP2196800A2 Method and device for testing a body which conducts electricity by means of ultrasound
06/16/2010CN201508233U Vibration sensor
06/16/2010CN101739592A Current generation-based vibration measuring type electronic tag and system thereof
06/16/2010CN101738250A T-shaped sensitive body of vector hydrophone
06/16/2010CN101464168B Noise source recognition method for vehicle acceleration noise
06/16/2010CN101354283B Encapsulation structure of micro-nano bionic vector water sound sensor
06/10/2010US20100141090 Acoustic sensor with piezo-arrangement film
06/09/2010CN101726401A Scale measuring device for pitching dynamic derivative experiment
06/09/2010CN101224505B Chuck apparatus
06/08/2010US7734133 Hollow core waveguide for laser generation of ultrasonic waves
06/08/2010US7730786 Seismic sensor providing a body and an insertion tip having at least two wings between which cavities extend, and corresponding insertion tip
06/02/2010EP2192394A1 Elastic wave measuring device and method
06/02/2010CN201497568U Device for sensing elastic stress wave of coal rock mass
05/2010
05/27/2010US20100129940 Vibration monitoring of electronic substrate handling systems
05/26/2010CN201488805U Piezoelectric type omnibearing vibration sensor
05/26/2010CN201486545U Underground vibration measuring instrument
05/26/2010CN101713765A Piezoelectric spectral sensor
05/19/2010CN201477423U Intelligent vibration monitoring and protecting apparatus
05/19/2010CN201476873U Vibration temperature sensor
05/19/2010CN201476872U integrated vibration transmitter
05/19/2010CN101709994A Method for measuring low rotating speed shafting torsional vibration
05/12/2010CN201464029U Machine vibration signal virtual analysis device
05/12/2010CN201464028U Three-dimensional resonant piezoelectric ceramics vector hydrophone
05/12/2010CN201464027U Ultra-low frequency three dimensional dynamic vibration measuring system
05/12/2010CN201464026U Vibration detection device for vibrating screens
05/12/2010CN1945216B Three position integrated micro mechanical resonant beam system
05/12/2010CN1877998B Digital phase-locking loop for resistance vibration-pickup type silicon micro-mechanical resonate sensor
05/11/2010US7713471 System for protecting circuitry in high-temperature environments
05/05/2010EP2182327A1 Inferential signal generator for instrumented equipment and processes
05/05/2010CN101701976A Third rail detection device and method
05/05/2010CN101701869A Portable transmission noise meter for controlling engaging quality of bevel gear
05/04/2010US7707890 Acoustic sensor for proactive fault monitoring in computer systems
05/04/2010US7707888 Vibration sensor and method of detecting vibration
04/2010
04/29/2010WO2010027615A3 Asymmetric composite acoustic wave sensor
04/21/2010EP2177885A1 Absolute displacement detection method and absolute displacement sensor using the method
04/21/2010CN101696966A Butler-type GPS monitoring communication system
04/21/2010CN101696901A System and method for testing and analyzing automobile vibration
04/20/2010US7698949 Active washers for monitoring bolted joints
04/08/2010WO2009149701A3 Device for measuring the ultrasonic radiation of ultrasonic devices
04/08/2010US20100088067 In Situ Health Monitoring of Piezoelectric Sensors
04/06/2010US7690792 Projector and method of controlling ultrasonic speaker in projector
03/2010
03/31/2010CN101688820A System and method for bearing fault detection using stator current noise cancellation
03/25/2010US20100072859 Device for converting mechanical impact energy into electrical energy with optimised efficiency
03/18/2010US20100066550 Vibration-activated flashlight
03/17/2010EP2164280A1 Acoustic sensor
03/17/2010CN101672691A Hydrophone phase low-frequency calibration tube
03/11/2010WO2010027615A2 Asymmetric composite acoustic wave sensor
03/11/2010US20100058866 Magnetostrictive substance detection system and method
03/10/2010CN201421363Y Novel sound milling device adopting frequency selection mode
03/04/2010WO2010023344A1 Ultrasound device for the emission of acoustic waves in air in the ultrasonic range
03/04/2010WO2009139849A3 Sensor for airborne shooter localization system
03/03/2010CN101660941A Structure-modified piezoelectric signal detector
1 ... 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 ... 33