| 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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| 07/20/2011 | CN201903396U Wide-area ground wave detecting device |
| 07/20/2011 | CN102128674A Method or measuring Karman vortex vibration of flow passage component of water turbine |
| 07/14/2011 | WO2011083239A1 Sound wave detection device and sound wave source location system |
| 07/14/2011 | US20110167915 Monitoring system for an assembly that is subject to vibrations |
| 07/13/2011 | CN201897501U Minitype three-dimensional vibration testing instrument |
| 07/06/2011 | CN102116670A Vibration acquisition and analysis instrument and vibration acquisition and analysis method |
| 07/06/2011 | CN101139932B Construction shield for underground mining |
| 06/29/2011 | CN201885794U Intelligent external-force-damage prevention online monitoring device for transmission lines |
| 06/23/2011 | US20110146406 Methods and apparatus for vibration testing using multiple sine sweep excitation |
| 06/22/2011 | DE102006028056B4 Verfahren zum Prüfen von Solarzellenmodulen und Prüfvorrichtung A method for testing of solar cell modules and testing device |
| 06/22/2011 | CN201876976U Bridge pre-vibration device based on wireless sensor network |
| 06/22/2011 | CN201876304U Low-frequency or ultra-low-frequency vibration measuring suite |
| 06/22/2011 | CN102103014A Detecting method for periodic transient component in signal |
| 06/22/2011 | CN102103013A 三维矢量水听器 Three-dimensional vector hydrophone |
| 06/22/2011 | CN102102830A Landscape lamp capable of representing size of ambient noise by colors |
| 06/22/2011 | CN101672691B Hydrophone phase low-frequency calibration tube |
| 06/22/2011 | CN101281057B Airflow detecting device |
| 06/21/2011 | US7965018 Acoustic sensor with piezo-arrangement film |
| 06/16/2011 | WO2011069190A1 Sample storage and monitoring system |
| 06/16/2011 | DE10341900B4 Ultraschallsensor Ultrasonic sensor |
| 06/15/2011 | CN201867243U Online monitoring device for crystallizer vibrator of continuous casting machine |
| 06/15/2011 | CN201867242U 振动变送器 Vibration Transmitter |
| 06/15/2011 | CN102095490A Piezoelectric wafer eigenfrequency measurement method |
| 06/15/2011 | CN102095489A Flow noise resistant sensitive body for vector hydrophone |
| 06/09/2011 | US20110132095 Sub-Surface Windscreen for Outdoor Measurement of Infrasound |
| 06/08/2011 | CN201859010U Miniature vibration sensor |
| 06/02/2011 | US20110126630 Vibration sensor and a system to isolate vibrations |
| 06/01/2011 | DE19964592B4 Schwingungsmeßgerät A vibration |
| 06/01/2011 | CN201852636U Two-channel vibration monitoring protection instrument |
| 05/25/2011 | CN102072763A Unicoil steel string exciting and receiving circuit |
| 05/25/2011 | CN102072762A Online monitoring method of pulse injection type line oscillation |
| 05/25/2011 | CN101458118B Positive-displacement high-sensitivity vibration sensor |
| 05/19/2011 | US20110113887 Method for the elastic installation of detection devices on pipelines and suitable device therefor |
| 05/18/2011 | CN201838143U High-rise building earthquake detection and early-warning device |
| 05/18/2011 | CN201837451U Clamp for measuring hard disk driving frame and device applying same |
| 05/18/2011 | CN101271021B Signal processing method for fast gaining signal sub-spacing |
| 05/11/2011 | CN201828333U Steam turbine generator set vibration key phase signal preprocessing circuit |
| 05/11/2011 | CN102055413A System and method for handling wide dynamic range signals encountered in vibration analysis using a logarithmic amplifier |
| 05/11/2011 | CN102052963A Data acquisition device for vector spectrum analysis on vibration signals |
| 05/10/2011 | US7941231 Ambient noise level sampling system for cooling an electronic device |
| 05/10/2011 | US7938009 Haptic device testing |
| 05/05/2011 | WO2011051569A1 System for detecting heartbeats |
| 05/04/2011 | CN201819805U Fault diagnosis device of motor vehicle running gear |
| 05/04/2011 | CN201819799U Multifunctional sensor used for fault diagnosis of locomotive running gear |
| 05/04/2011 | CN102042867A Shock detection circuit |
| 05/04/2011 | CN101782459B Oil bit fault diagnosis testing device |
| 05/04/2011 | CN101660941B Structure-modified piezoelectric signal detector |
| 05/04/2011 | CN101241024B Sound triggering early-warning system |
| 05/03/2011 | US7937231 Order tracking method and system |
| 04/28/2011 | US20110098949 System and method for handling wide dynamic range signals encountered in vibration analysis using a logarithmic amplifier |
| 04/28/2011 | US20110095651 Device for detecting interaction with an object |
| 04/27/2011 | CN102032000A Turbine status data acquisition device based on personal computer 104 (PC104) bus |
| 04/21/2011 | US20110088479 Ultrasonic sensor |
| 04/21/2011 | US20110088478 Compact tilt and vibration sensor and method for manufacturing same |
| 04/20/2011 | CN201804122U Integrated multi-channel digital seismic detector |
| 04/20/2011 | CN201803793U Applause scoring device |
| 04/20/2011 | CN201803792U Device for vibration test of light-weight fiber reinforced composite cantilever plate |
| 04/20/2011 | CN201803791U Acoustic magnetic detector |
| 04/20/2011 | CN101709994B Method for measuring low rotating speed shafting torsional vibration |
| 04/20/2011 | CN101561312B Analytical method of rotor transient signal |
| 04/20/2011 | CN101545805B POP noise test system and method |
| 04/19/2011 | CA2386633C Method for detecting transverse mode vibrations in an ultrasonic hand piece/blade |
| 04/14/2011 | DE112009001424T5 Asymmetrischer Komposit-Schallwellensensor Asymmetric composite acoustic wave sensor |
| 04/13/2011 | EP1206856B1 Sound communication system between a portable unit and a communication terminal |
| 04/13/2011 | CN201795857U Multi-functional tester |
| 04/13/2011 | CN102012384A Method for detecting pathogenic bacteria based on piezoelectric sensor |
| 04/13/2011 | CN101517383B Industrial process device utilizing magnetic induction |
| 04/13/2011 | CN101046424B Knock sensor |
| 04/07/2011 | DE102007008230B4 Klopfsensor Knock Sensor |
| 04/06/2011 | CN201788581U Remote wireless vibration monitoring system |
| 04/06/2011 | CN101614519B Device for testing polarization of crystallizer |
| 03/30/2011 | CN201777393U Multi-parameter composite environmental test device |
| 03/30/2011 | CN101995289A Ultralow frequency broadband capacitive infrasound sensor |
| 03/30/2011 | CN101995209A Aerial conductor bending amplitude sensor |
| 03/29/2011 | US7913566 Industrial process device utilizing magnetic induction |
| 03/29/2011 | US7913565 Method and system for predicting long-term exposure to a hazardous environment |
| 03/23/2011 | EP2297592A2 Sensor for airborne shooter localization system |
| 03/16/2011 | CN201765055U Shafting vibration phase difference aided diagnosis system of steam turbine generator unit |
| 03/16/2011 | CN201765054U Portable shaft vibration measuring apparatus |
| 03/16/2011 | CN101985868A Key-free password door lock method |
| 03/16/2011 | CN101393463B Vibration test and control device for low frequency mode of flexible moving structure |
| 03/09/2011 | CN101984330A Low-frequency or ultralow-frequency vibration measurement suite |
| 03/03/2011 | WO2010141523A3 Apparatus for identifying a pipe at a remote location |
| 03/02/2011 | EP2290722A1 Apparatus, method and program for predicting sensitivity of a piezoelectric or electrostrictive sensor |
| 03/02/2011 | CN201754106U Phase difference measuring instrument for ultrasonic wave sensor |
| 03/02/2011 | CN201754105U Time delay measuring instrument for ultrasonic wave sensor |
| 02/24/2011 | US20110041614 Circuit for a micromechanical structure-borne sound sensor and method for operating a micromechanical structure-borne sound sensor |
| 02/17/2011 | WO2011018216A1 Assembly for diagnosing a device with moving parts |
| 02/16/2011 | EP2284507A2 Vibration monitoring system |
| 02/16/2011 | EP2284078A2 Improved load detection on a flight control actuator |
| 02/10/2011 | WO2011017208A1 An acoustic velocity microphone using a buoyant object |
| 02/10/2011 | WO2011017014A2 High sensitivity geophone |
| 02/10/2011 | WO2010007435A3 Detector and methods of detecting |
| 02/10/2011 | CA2769706A1 High sensitivity geophone |
| 02/09/2011 | CN101968379A Method for extracting characteristic information of operating condition vibration signal of aircraft engine rotor system |
| 02/08/2011 | US7882743 Method and system for noise dosimeter |
| 02/03/2011 | US20110023614 High sensitivity geophone |
| 02/03/2011 | US20110023613 Detection of anomalous movement in a reciprocating device |
| 02/02/2011 | CN201733447U Low-power dissipation wireless sensor network node device capable of continuously monitoring vibration |
| 02/02/2011 | CN101963018A High-processibility electronic password lock method |