| 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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| 03/03/2010 | CN101660940A Device for sensing elastic stress-wave of coal rock mass |
| 02/25/2010 | US20100043562 Vibration dosimeter for determining vibrational loading |
| 02/24/2010 | EP2156734A2 A piezo-sensor |
| 02/24/2010 | EP2156159A1 System and method for bearing fault detection using stator current noise cancellation |
| 02/18/2010 | WO2010018883A1 Magnetic-piezoelectric combine sensor using piezoelectric single crystal |
| 02/17/2010 | CN201408116Y Condition monitoring device of wind power machine set |
| 02/17/2010 | CN101650219A Inside sphere type vector vibration transducer |
| 02/17/2010 | CN101650218A Silicon micro-capacitance type three-dimensional vector-phase receiver with double-layer structure |
| 02/17/2010 | CN101650217A non-contact coaxial magnetoelastic sensor |
| 02/10/2010 | CN201402236Y Main drive wheel type pavement material test device |
| 02/04/2010 | US20100030493 Method for non-intrusive on-line detection of turbine blade condition |
| 02/03/2010 | CN201397192Y High-performance magnetostriction sensor utilizing multiple layers of winding coils |
| 01/27/2010 | CN201392254Y Sound wave anti-overflow temperature measuring device |
| 01/27/2010 | CN201392240Y Bearing noise level measuring instrument |
| 01/27/2010 | CN101634587A Three-dimensional co-vibrating sandwich-type sonar receiver |
| 01/19/2010 | CA2428033C Inferential signal generator for instrumented equipment and processes |
| 01/13/2010 | CN101625259A Vibration-type measuring device |
| 01/06/2010 | CN201378174Y Digital vibration acceleration sensor |
| 01/06/2010 | CN201378077Y Vibration sensor |
| 01/05/2010 | CA2360759C Diagnostic layer and methods for detecting structural integrity of composite and metallic materials |
| 12/31/2009 | US20090320604 Sensor system |
| 12/30/2009 | EP2138813A1 Sound source separating device and sound source separating method |
| 12/30/2009 | CN101617204A Non-contact torque sensing for valve actuators |
| 12/30/2009 | CN100575893C Ladle long nozzle vibration signal measuring apparatus and method |
| 12/24/2009 | US20090314091 Induction sensor to measure vibrations of a turbo-machine rotor blade |
| 12/24/2009 | DE102008027367A1 Vorrichtung zur Messung der Ultraschallabstrahlung von Ultraschallgeräten An apparatus for measuring the ultrasonic emission of ultrasonic devices |
| 12/23/2009 | WO2009155255A1 An acoustical measuring/estimation device |
| 12/23/2009 | CN101608951A Motion detector for detecting tampering and method for detecting tampering |
| 12/16/2009 | CN101603854A Non-stationery vibration signal instantaneous frequency estimation algorithm in start and stop period of rotating machinery |
| 12/16/2009 | CN101603850A Extra high voltage transmission line online monitoring system |
| 12/16/2009 | CN100570316C Fault detection instrument of rotary equipment based on acoustic emission technique |
| 12/16/2009 | CN100570293C Sensor node for impact detection and sensor network system for impact detection |
| 12/15/2009 | US7631498 Bearing health monitor |
| 12/15/2009 | CA2300765C Pressure tolerant transducer |
| 12/09/2009 | CN201359532Y Vibration transducer for fishing annunciator |
| 12/09/2009 | CN101596898A Vehicle burglar alarm sensing head and signal processing method thereof |
| 12/09/2009 | CN100567914C Sensor and test device for testing tone key of musical box |
| 12/02/2009 | CN101592518A High-precision microvibration measuring system |
| 11/26/2009 | WO2009094733A3 Actuation cycles sensor with magnetic spring |
| 11/25/2009 | CN101586938A Position adjusting and positioning device of capacitive displacement and vibration sensor |
| 11/19/2009 | WO2009139849A2 Sensor for airborne shooter localization system |
| 11/18/2009 | CN201348536Y Intelligent shaft vibration transmitter |
| 11/05/2009 | US20090272192 Method and system for predicting long-term exposure to a hazardous environment |
| 11/03/2009 | US7613073 Ultrasonic sensor |
| 11/03/2009 | US7612569 Oscillating device, electric potential measuring device, light deflecting device, and image forming apparatus |
| 10/29/2009 | US20090266168 Compact tilt and vibration sensor and method for manufacturing the same |
| 10/28/2009 | CN100554896C High frequency small two-dimension coseismal column type vector hydrophone |
| 10/21/2009 | CN101561313A Trivector hydrophone based on piezoelectric velocity sensor |
| 10/21/2009 | CN101561312A Analytical method of rotor transient signal |
| 10/14/2009 | CN101556186A Novel mill sound device with frequency selection method |
| 10/14/2009 | CN100549689C Sound wave sensing method and apparatus with integrated micro flow passage |
| 10/14/2009 | CN100549636C Method and device for detecting oscillations of the shafting of an electric machine |
| 10/14/2009 | CN100549635C Method of adjusting at least one faulty rotor of a rotorcraft |
| 10/07/2009 | CN101551268A Piezoelectric type infrasonic sensor capable of offsetting mechanical vibration signals |
| 10/07/2009 | CN101551267A Shaking sensing and correction apparatus and method |
| 10/07/2009 | CN101551236A Measuring unit for air flow |
| 10/07/2009 | CN101551229A Piezoelectric dynamic strain transducer capable of eliminating lateral strain influence |
| 10/06/2009 | CA2418675C Geophone and method of manufacturing a geophone |
| 09/30/2009 | CN101545806A Correction method of measuring forced vibration data of object with large range |
| 09/30/2009 | CN101545805A POP noise test system and method |
| 09/29/2009 | US7596470 Systems and methods of prognosticating damage for structural health monitoring |
| 09/23/2009 | EP2104154A2 Elastic body inspection method, inspection device, and dimension prediction program |
| 09/23/2009 | CN101539500A Coal mine gas outburst prediction sensor |
| 09/15/2009 | US7590510 Systems and methods for identifying damage in a structure |
| 09/09/2009 | CN101526501A Unidirectional low-loss love wave sensor |
| 09/09/2009 | CN101526394A Low-frequency vibration measuring device |
| 09/01/2009 | US7584075 Systems and methods of generating diagnostic images for structural health monitoring |
| 08/26/2009 | CN101517383A Industrial process device utilizing magnetic induction |
| 08/26/2009 | CN101514919A Micro-electromechanical vector hydrophone |
| 08/26/2009 | CN100533076C Full-automatic bearing vibration survey instrument and method thereof |
| 08/25/2009 | US7578193 Method of measuring vibration on a device |
| 08/25/2009 | CA2311180C Elastic wave sensor device electrically compensated for tilt effects |
| 08/20/2009 | WO2009102544A1 Ultrasound transducer probes and system and method of manufacture |
| 08/20/2009 | WO2009068345A3 Circuit for a micromechanical structure-borne sound sensor, and method for the operation thereof |
| 08/20/2009 | CA2713699A1 Ultrasound transducer probes and system and method of manufacture |
| 08/19/2009 | EP2089681A1 Magnetostrictive substance detection system and method |
| 08/19/2009 | CN201294628Y Measurement condenser microphone |
| 08/18/2009 | US7574918 Method and apparatus for detecting vibrations from a mechanical component |
| 08/12/2009 | EP1240514B1 Use of a biological sensor for sensing antibiotics |
| 08/12/2009 | CN100527023C Closed loop controlling system based on amplitude-frequency feature of resonance type sensor |
| 08/06/2009 | US20090193900 Order tracking method and system |
| 08/05/2009 | EP2085755A1 Power Tool having Motor Speed Monitor |
| 08/05/2009 | CN201285276Y On-line detection apparatus for rotating vane vibration |
| 08/05/2009 | CN101498688A Ocean platform integral lossless detection method based on structural vibration |
| 07/29/2009 | CN101493355A Integration oscillation monitoring instrument |
| 07/22/2009 | CN100516788C Acoustic automatic gaining effect testing method and system |
| 07/09/2009 | WO2008024142A8 Industrial process device utilizing magnetic induction |
| 07/09/2009 | US20090173159 Method for generation of THz frequency radiation and sensing of large amplitude material strain waves in piezoelectric materials |
| 07/02/2009 | DE102004054763B4 Klopfsensor Knock Sensor |
| 07/01/2009 | CN100507476C Water melon maturemeter |
| 06/24/2009 | CN201262571Y Device for monitoring and controlling classroom noise |
| 06/17/2009 | EP2069200A2 Instrumented component for use in an operating environment |
| 06/17/2009 | CN101458118A Positive-displacement high-sensitivity vibration sensor |
| 06/11/2009 | US20090145233 Carbon nanotube-quartz resonator with femtogram resolution |
| 06/10/2009 | CN201255661Y Piezoelectric combined hydrophone |
| 06/04/2009 | WO2009068345A2 Circuit for a micromechanical structure-borne sound sensor, and method for the operation thereof |
| 06/04/2009 | US20090142194 Method and systems for measuring blade deformation in turbines |
| 06/03/2009 | CN201251481Y 驻极体震动传感器 Electret vibration sensors |
| 06/03/2009 | CN101446507A USB2.0 multifunctional acoustic emission detection system |
| 06/03/2009 | CN100495459C Sensor apparatus and method for detecting earthquake generated P-waves and generating a responsive control signal |