| 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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| 04/03/2013 | CN202853738U Sound test clamp |
| 04/03/2013 | CN103021632A Dedicated transformer for distributed generation and vibration measurement method of dedicated transformer |
| 04/03/2013 | CN103017891A Noise testing method under heat noise combination environment |
| 04/03/2013 | CN103017890A Introduced capacitive device for measuring horizontal ground micro-vibration |
| 04/03/2013 | CN103017889A Sensor, method for same and engineering machine containing same |
| 03/28/2013 | WO2013042601A1 Vibrator, vibration sensor, and electronic device provided with vibration sensor |
| 03/27/2013 | CN202836740U System for realizing remote monitoring on environmental noise |
| 03/27/2013 | CN101839924B Atomic-force acoustic microscopy cantilever beam contact resonance frequency tracking system |
| 03/26/2013 | US8402831 Monolithic integrated CMUTs fabricated by low-temperature wafer bonding |
| 03/21/2013 | WO2013039125A1 Piezoelectric vibration sensor |
| 03/21/2013 | WO2013037880A1 Method for measuring the dynamic properties of a mechanical structure |
| 03/21/2013 | US20130069483 Transducer and transducer module |
| 03/20/2013 | CN202814542U GPRS vibration monitoring module |
| 03/20/2013 | CN202814541U Inherent frequency detecting device for detecting laser shock peening processing quality |
| 03/20/2013 | CN102981446A Workbench vibration monitoring system controlled by programmable controller |
| 03/20/2013 | CN102981050A Single vibration frequency measuring method |
| 03/20/2013 | CN102980650A Environmental noise measuring system |
| 03/19/2013 | US8401820 In situ health monitoring of piezoelectric sensors |
| 03/19/2013 | US8401739 Device for activating a security system in a vehicle |
| 03/14/2013 | WO2012080042A3 Sound wave based sensor for detecting surroundings and use of the same |
| 03/13/2013 | CN202793579U City noise monitoring terminal |
| 03/13/2013 | CN202793578U Wind power experiment table accelerator noise detection system |
| 03/13/2013 | CN202793577U On-load tap switch oscillation detection device |
| 03/13/2013 | CN202789376U Diesel pump unit equipped with anti-collision mechanism |
| 03/13/2013 | CN102972046A Oscillation device and electronic component |
| 03/13/2013 | CN102967359A Vehicle approach prompt tone acquiring device and vehicle approach prompt tone acquisition method |
| 03/13/2013 | CN102183294B Environment noise wireless real-time monitoring system based on ZigBee technology |
| 03/07/2013 | WO2013032821A1 Piezoelectric microphone fabricated on glass |
| 03/06/2013 | CN202770528U 便携式个人噪声监测仪 Portable personal noise monitors |
| 03/06/2013 | CN202770527U Music box sound needle tuning vibration exciting and testing device |
| 03/06/2013 | CN102959987A Vibration device |
| 03/06/2013 | CN102175438B Device for detecting performance of high-speed heavy-load precision roller linear guide rail |
| 03/06/2013 | CN101968379B Method for extracting characteristic information of operating condition vibration signal of aircraft engine rotor system |
| 03/06/2013 | CN101551267B Shaking sensing and correction apparatus and method |
| 03/05/2013 | US8387460 Vibration dosimeter for determining vibrational loading |
| 02/28/2013 | WO2013027742A1 Failure prediction method and failure prediction system for electronic apparatus |
| 02/28/2013 | WO2013027740A1 Piezoelectric vibration sensor |
| 02/28/2013 | WO2013027736A1 Piezoelectric vibration sensor |
| 02/28/2013 | WO2013026125A1 Porosity control in piezoelectric films |
| 02/28/2013 | US20130049535 Ultrasonic sensor |
| 02/28/2013 | US20130047732 Toilet Flush Detection System Utilizing Transducer with Piezoelectric Sounder Element |
| 02/28/2013 | CA2846269A1 Porosity control in piezoelectric films |
| 02/27/2013 | CN102944713A Switching value isolation method for direct high-voltage input |
| 02/27/2013 | CN102941827A Fixing device for noise measurement microphone and fixing method thereof |
| 02/21/2013 | WO2013024926A1 Acoustic detection device and acoustic camera using a mems microphone array |
| 02/21/2013 | WO2013006465A3 Identifying electrical sources of acoustic noise |
| 02/21/2013 | US20130043764 Ultrasonic sensor |
| 02/20/2013 | EP2559262A2 Transducer for stapedius monitoring |
| 02/20/2013 | CN202748124U Vibrating detection-based fault early warning system for drying roller |
| 02/20/2013 | CN202748123U Vibration test system based on Hall sensor |
| 02/20/2013 | CN102937646A Health monitoring system for concrete structure |
| 02/20/2013 | CN102937497A Method and system for detecting blow energy of hydraulic counter-blow hammer |
| 02/14/2013 | WO2013020213A1 Piezoelectric sensors and sensor arrays for the measurement of wave parameters in a fluid, and method of manufacturing therefor |
| 02/14/2013 | CA2842778A1 Piezoelectric sensors and sensor arrays for the measurement of wave parameters in a fluid, and method of manufacturing therefor |
| 02/13/2013 | CN202737962U Electromechanical combination sensor |
| 02/13/2013 | CN202734952U Rotor vibration state monitoring system |
| 02/13/2013 | CN202734951U Integrated current vortex distance measuring device |
| 02/13/2013 | CN202734950U Vibration transmitter with liquid crystal display function |
| 02/13/2013 | CN202734949U Low-frequency vibration sensor having waterproof function |
| 02/13/2013 | CN102928069A System and method for detecting vibration of high-voltage circuit breaker |
| 02/13/2013 | CN102928068A Automatic zero-setting method in vibration frequency measurement |
| 02/13/2013 | CN102928067A System and method for measuring room acoustic parameters |
| 02/13/2013 | CN102928066A Bridge amplitude detection device and bridge amplitude detection method based on triangular amplitude detection sensor |
| 02/06/2013 | CN202720671U RFID tag with sound sensitive device and RFID system thereof |
| 02/06/2013 | CN202720048U Low frequency multiple output passive servo vibration sensor capable of simultaneously measuring acceleration and velocity |
| 02/06/2013 | CN202719999U Grain leakage sensor applied to harvester |
| 02/06/2013 | CN102914357A Device and method for prewarning abnormal resonances of mechanical parts of wind driven generator |
| 01/31/2013 | DE102011052283A1 Verfahren zur Berechnung der Schwingungsamplitude einer Sonotrode A method for calculating the oscillation amplitude of a sonotrode |
| 01/30/2013 | EP2551653A2 Long-period vibration sensor and method for correcting output value of the long-period vibration sensor |
| 01/30/2013 | CN202710173U Elastic-wave quick testing vibration pickup for airport runway |
| 01/30/2013 | CN202710172U Measuring device for low-frequency, small-amplitude vibration signal |
| 01/30/2013 | CN202710171U Ultrasonic frequency detector |
| 01/30/2013 | CN102901558A 三维压电陶瓷矢量水听器 Three-dimensional piezoelectric ceramic hydrophone |
| 01/30/2013 | CN102901557A Isolation shear type piezoelectric acceleration transducer with internal integrated circuit |
| 01/30/2013 | CN102901556A Magnetic suspension type ultra-low-frequency vibration sensor |
| 01/30/2013 | CN102901555A DC (direct current)-corona audible noise calculation method for 6*720 mm<2> wire |
| 01/30/2013 | CN102901554A Vibration detecting device for on-load tap-changer |
| 01/30/2013 | CN102426052B Vibration wire type data acquisition system and method |
| 01/30/2013 | CN102331294B Underground intrinsic safety type vibration acceleration sensor of coal mine |
| 01/24/2013 | DE10330071B4 Vorrichtung und Verfahren zur Bestimmung von Oberflächeneigenschaften Apparatus and method for determination of surface characteristics |
| 01/23/2013 | CN202694780U Sound-attenuating box and noise testing analysis system |
| 01/23/2013 | CN202694393U RFID tag with acoustic sensing device and RFID system with acoustic sensing device |
| 01/23/2013 | CN202693119U Radio frequency identification device (RFID) system used for measuring sound intensity |
| 01/23/2013 | CN102889926A Ultrasonic wave anti-noise detection method and system |
| 01/23/2013 | CN102889925A Self-power supply vibration sensor based on ZnO nanowires and manufacturing method thereof |
| 01/23/2013 | CN102889923A Vibration sensor based on surface acoustic wave radio frequency identification technology and application for vibration sensor |
| 01/22/2013 | CA2605548C An acoustic wave sensor assembly utilizing a multi-element structure |
| 01/17/2013 | WO2013008632A1 Piezoelectric vibration sensor |
| 01/17/2013 | WO2012074765A3 Apparatus and method for non-invasive measurement of properties of a fluid flowing in a flexible tubing or conduit |
| 01/16/2013 | CN202676733U Center-mounted high temperature piezoelectric acceleration sensor |
| 01/16/2013 | CN202676279U A running noise psophometer of a motor |
| 01/16/2013 | CN102426054B Monolithic integration composite range vector hydrophone |
| 01/16/2013 | CN102374896B Method and device for measuring equal precision frequency of single coil vibrating wire instrument |
| 01/16/2013 | CN101984330B Low-frequency or ultralow-frequency vibration measurement suite |
| 01/09/2013 | CN202661281U Bridge safety monitoring system based on blue LED (light emitting diode) device |
| 01/09/2013 | CN202661161U Low-frequency hydrophone |
| 01/09/2013 | CN102865917A Drying roller fault early warning method and system based on vibration detection |
| 01/09/2013 | CN102865916A High-speed space-borne vibration signal measuring system based on ARM |
| 01/09/2013 | CN102865915A Device for measuring static frequency of movable blade of high-pressure compressor of gas turbine combined compressor |
| 01/09/2013 | CN101936767B Method for extracting engineering machine running characteristic signals |