G01H 11 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties

Patents for G01H 11 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties (3,253)
12/2011
12/22/2011	US20110308318 Insolation sensor for solar light intensity
12/21/2011	CN202083465U Order tracking device for reciprocating machinery in case of transient condition
12/21/2011	CN202083464U 用于为振动分析获取振动信号的系统 Used to obtain vibration signals for vibration analysis system
12/21/2011	CN202083463U 抗励磁引线漏磁干扰轴振电涡流传感器 Anti-leakage magnetic field leads shaft vibration interference eddy current sensor
12/21/2011	CN102288987A 超声波传感器 Ultrasonic sensors
12/21/2011	CN102288281A 基于振动发电的高压线微风振动在线监测装置及方法 Based on the high-voltage line aeolian vibration monitoring device and method for generating a vibration
12/21/2011	CN102288280A 一种轴系扭振提取方法 One kind of shaft torsional oscillation extraction method
12/21/2011	CN102288279A 一种振弦式仪器的激振方法和装置 Excitation method and apparatus for vibrating wire instruments
12/21/2011	CN101949733B 用于深水声波探测的压电片式水下探音器 For deepwater acoustic detection of water-dropping piece of piezoelectric dampers
12/14/2011	CN202075992U 一种多媒体音源信号的检测与自动控制装置 A method for detecting and automatic control device multimedia audio signals
12/14/2011	CN202075095U 爆震传感器 Knock Sensor
12/14/2011	CN202075034U 一种滚动轴承振动加速度和异音检测装置 A rolling bearing vibration acceleration and different tone detection device
12/14/2011	CN202075033U 基于虚拟仪器的爆震音频识别系统 Based on Virtual Instrument knock audio identification system
12/14/2011	CN202075032U 基于gps定位的输电线路舞动在线监测装置 Dancing on-line monitoring device gps positioning of transmission lines
12/13/2011	CA2489171C Method and apparatus for sensing permanent state deviations
12/07/2011	CN202066584U 传声器∞字型方向特性匹配器 ∞ microphone shaped directional characteristics matcher
12/07/2011	CN202066583U 一种变压器有载分接开关的振动测量系统 A transformer on-load tap vibration measurement system
12/07/2011	CN102269619A 基于无线传感网络的声信号采集终端 Based on acoustic signal acquisition terminal wireless sensor networks
12/07/2011	CN101688820B 用于使用定子电流噪音消除的轴承故障检测的系统和方法 System and method for using a bearing fault detection of stator current noise cancellation
12/01/2011	US20110290028 Ultrasonic Sensor
12/01/2011	DE102011076395A1 Ultraschallsensor Ultrasonic sensor
11/2011
11/30/2011	CN202057415U Vibration sensor
11/30/2011	CN202057414U 矿用噪声传感器 Mine noise sensor
11/30/2011	CN202057413U 一种基于gprs的噪声测量系统和终端 Gprs based noise measurement systems and terminals
11/30/2011	CN202057357U 牵引电机综合试验台 Traction motor integrated test bed
11/30/2011	CN102261947A 风力发电机振动监测诊断装置及风力发电机测试装置 Vibration monitoring of wind turbines and wind turbine diagnostic device test device
11/23/2011	CN202050145U Improved generator set vibration protection system connecting plug
11/23/2011	CN202049045U Device applicable to bending and phase testing of rotating shaft
11/23/2011	CN202048980U Audio-based mechanical failure detection device
11/23/2011	CN202048979U Power pulse ultrasonic wave vibration amplitude sensor
11/23/2011	CN102252747A Micro sound pressure sensor with bionic cricket cilia structure and manufacturing method thereof
11/23/2011	CN102252746A Big-damping-ratio-based double parameter speed and acceleration output vibration pickup
11/16/2011	EP2386840A2 Acoustic sensor
11/16/2011	CN202041541U Two-parameter velocity and acceleration output vibration pickup based on high damping ratio
11/16/2011	CN202041280U High-accuracy vibration meter
11/16/2011	CN102243096A Shaft vibration transmitter
11/16/2011	CN102243095A Zero-drift simulation calibrating system for vibration measurement circuit
11/10/2011	US20110271756 Driver circuit for a measuring transducer as well as measuring system formed therewith
11/09/2011	CN101915607B Phase difference aided diagnosis method for shafting vibration of turbo generator unit and system thereof
11/09/2011	CN101760938B Detection module and clothes processing device with detection module
11/08/2011	US8051712 Electronic stator end winding accelerometer sensor
11/02/2011	CN101394439B Method and terminal for automatically controlling vibration strength of terminal
10/2011
10/26/2011	CN202018334U Electromagnetic type mechanical vibration sensor
10/26/2011	CN102226712A Hollow-structured three-dimensional vector hydrophone with neutral buoyancy in water
10/26/2011	CN101726401B Scale measuring device for pitching dynamic derivative experiment
10/19/2011	CN202013211U Semicolumn type vortex street flow sensor
10/19/2011	CN202013183U Active safety type stereo displacement and sound detection system for electrical load switch/transformer
10/19/2011	CN102221399A Microphone infinity-shaped directional characteristic adapter
10/19/2011	CN101126767B Feedback circuit for radiation resistant transducer
10/12/2011	CN202009297U Junction box capable of monitoring operational data of motor
10/12/2011	CN102213611A Method for detecting infrasonic waves
10/05/2011	CN101059367B Vibration sensor and vibration detection method
09/2011
09/29/2011	WO2011118693A1 Vibration detection device, air pressure detection terminal, and acceleration detection system
09/28/2011	CN201993167U 无线振动传感装置 Wireless vibration sensor device
09/28/2011	CN201993166U 一种煤矿采掘设备机载大容量数据记录和振动测试系统 One kind of coal mining equipment onboard large-capacity data recording and vibration test systems
09/14/2011	CN201976244U 耐腐蚀的电容式测试传声器振膜 Corrosion resistant diaphragm condenser microphone test
09/14/2011	CN102183296A Method for monitoring large-area roof fall of coal mine in real time
09/14/2011	CN102183295A System for monitoring sound and vibration of hydroelectric generating unit
09/14/2011	CN102183294A Environment noise wireless real-time monitoring system based on ZigBee technology
09/14/2011	CN102183293A Large-area sheet-type vector hydrophone
09/14/2011	CN101650218B Silicon micro-capacitance type three-dimensional vector-phase receiver with double-layer structure
09/13/2011	US8015879 Orientation aware sensor
09/07/2011	CN201964951U 一种树苗防振装置 One kind of vibration isolation device saplings
09/07/2011	CN102175438A Device for detecting performance of high-speed heavy-load precision roller linear guide rail
09/07/2011	CN102175305A Single chip integrated trivector vibration sensor
09/07/2011	CN102175304A Multi-dimensional vibration sensor
09/07/2011	CN101738250B T-shaped sensitive body of vector hydrophone
09/01/2011	US20110213571 Sectional magnetic encoding method and system for measuring rotating shaft parameters
09/01/2011	US20110209551 Device for activating a security system in a vehicle
08/2011
08/31/2011	CN201955150U 一种数字化多功能振动校准系统 A Digital multifunction vibration calibration system
08/31/2011	CN102169046A Online elastic mode testing system for magnetically suspended electromechanical equipment
08/31/2011	CN102169014A Monitoring sensor for voice vibration and variation of structural stress in steel structure building
08/31/2011	CN102169013A Structural displacement monitoring sensor for concrete steel building
08/25/2011	WO2011101569A1 Interactive panel comprising piezoelectric transduction devices
08/25/2011	US20110203377 Absolute displacement detection method and absolute displacement sensor using the method
08/17/2011	CN201935731U 一种震动检测电路 A shock detection circuit
08/17/2011	CN102155987A Differential capacitor type micro-vibration sensor
08/10/2011	CN201926531U 平张纸分离头实验装置 Flat sheet separating head experimental device
08/10/2011	CN201926501U 砖机振动台监测装置 Brick shaker monitoring device
08/10/2011	CN201926500U 基于wifi的超低功耗数字声级计 Wifi-based ultra-low power digital sound level meter
08/10/2011	CN201926499U Overhead conductor wind vibration real-time monitoring system
08/10/2011	CN201926498U 一种变电站数字/模拟信号测试装置 Substations digital / analog signal testing device
08/10/2011	CN102147436A Pocket-size multifunctional radiation out-of-limit prompting instrument
08/10/2011	CN102147284A Sensor for monitoring sound vibration and structural stress change of reinforced concrete structure building
08/10/2011	CN102147283A Embedded self-energy supply wireless monitoring device of rotor equipment
08/10/2011	CN102147231A Structural displacement monitoring sensor for building with steel structure
08/04/2011	US20110185815 Detection of deposits in flowlines
08/03/2011	CN201917392U 数字双通道振动变送保护表 Digital two-channel vibration transmission protection table
08/03/2011	CN102141429A Vehicle-mounted large-volume data recording and vibration testing system for coal mining equipment
08/03/2011	CN102141428A Method and system for measuring frequency of single coil vibrating instrument
08/02/2011	US7987725 Method of matching sensors in a multi-probe turbine blade vibration monitor
07/2011
07/28/2011	WO2011089409A1 Toilet flush detection system utilizing transducer with piezoelectric sounder element
07/28/2011	US20110179876 Capacitance type vibration sensor
07/27/2011	CN201909670U Passive wireless vibrating sensor
07/27/2011	CN201909669U Frequency measurement system of unicoil vibrating wire instrument
07/27/2011	CN201909668U Measuring device for eigenfrequency of piezoelectric wafer
07/27/2011	CN102135444A Portable power mechanical-vibration measurement analyzer
07/26/2011	US7984651 Transducer array imaging system
07/20/2011	CN201903398U Vibrating sensor based on directionality
07/20/2011	CN201903397U Multichannel vibrating string collection instrument applied to safety testing of civil engineering structure

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