Patents
Patents for G01H 9 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means (3,383)
05/2014
05/08/2014WO2014068552A1 System and method for detection of speech related acoustic signals by using a laser microphone
05/08/2014WO2014066922A1 Method and device for laser-optical detection of a surface movement of a sample
05/08/2014US20140123763 Motion/vibration detection system and method
05/08/2014US20140123762 Laser apparatus and photoacoustic apparatus using laser apparatus
05/07/2014CN103777250A 一种新型全光纤周界安防系统 A new all-fiber perimeter security system
05/07/2014CN103776524A 一种测量强聚焦超声非线性声场分布的系统及其方法 A method of measuring intensity focused ultrasound nonlinear acoustic field distribution system and method
05/07/2014CN102759396B 抑制光纤水听器系统光强波动影响的方法 Suppress fluctuations in light intensity fiber optic hydrophone systems approach
05/07/2014CN102680582B 一种自带温度补偿的匹配型光纤光栅声发射传感系统 One kind of comes with temperature compensation match FBG acoustic emission sensor system
05/07/2014CN102426198B 一种基于匹配型光纤布拉格光栅的声发射信号传感系统 A matching type optical fiber Bragg grating sensor system based on acoustic emission signals
05/07/2014CN102359797B 用于光纤水听器中pgc系统降噪的系统及方法 System and method for fiber optic hydrophone system noise for the pgc
05/07/2014CN102077052B 用于超声波检查的扫描计划的视觉系统 Vision system for ultrasound scanning program
05/01/2014WO2014064460A2 Fibre optic cable for acoustic/seismic sensing
04/2014
04/30/2014CN203572595U Optical fiber temperature and vibration sensor and comprehensive monitoring device
04/30/2014CN103759806A Polarization control device of optical fiber disturbance system
04/30/2014CN103759805A Counter-type non-contact optical fiber micro-vibration measuring method and device
04/30/2014CN103759804A Method and device for optical fiber white light differential interference non-contact vibration measurement
04/30/2014CN103759750A Distributed optical fiber sensing system based on phase generated carrier technology
04/30/2014CN102840909B Optical frequency domain reflection-distributed vibration frequency sensing and locating device and demodulation method
04/24/2014US20140109678 Laser apparatus and control method thereof
04/23/2014EP2721387A1 Monitoring of conduits
04/23/2014CN203561767U Pressure-resisting optical fiber interferometer
04/23/2014CN203561437U Random-position fiber-distributed sound wave sensor
04/23/2014CN203561436U Fiber bragg grating vibration sensor
04/23/2014CN103743465A Amplitude test method of water lubrication rubber tail bearing based on machine vision technology
04/23/2014CN103743464A Oil-immersed transformer vibration on-line monitoring system with built-in optical fiber grating sensor
04/23/2014CN103743463A Dual-FBG (Fiber Bragg Grating) vibrating sensor used for liquid medium
04/23/2014CN103743462A Optical fiber vibration sensing system based on dual modulation Mach-Zehnder interferometer
04/23/2014CN103743461A Distributed optical fiber vibration sensor vibration-source positioning method
04/17/2014WO2014058472A1 Closed loop control techniques for displacement sensors with optical readout
04/17/2014WO2013098321A3 Smart hydrocarbon fluid production method and system
04/17/2014US20140102204 Probe, object information acquisition apparatus, and method of manufacturing the probe
04/16/2014EP2718682A1 Method and system for locating an accoustic source
04/16/2014CN203551102U On-line monitoring system for vibration spectrum of fiber grating of transformer
04/16/2014CN203551101U Fiber sensing system measuring vibration of rotary machine rotor
04/16/2014CN203551100U Novel Fabry-Perot interference-type MEMS sound wave sensor
04/16/2014CN203551099U Optical fiber grating sensor
04/16/2014CN103733040A Monitoring of conduits
04/16/2014CN103730127A Voice signal reconstruction method based on laser speckle images
04/16/2014CN103728009A Vibration detecting optical fiber sensor
04/16/2014CN103728008A Rocket engine spraying pipe motion vision measuring method and portable infrared light emitting device used in same
04/16/2014CN102620811B Novel high-precision heterodyne laser vibration measuring instrument
04/16/2014CN102607691B Using method of intrinsic fiber Fabry-Perot vibration sensor for liquid media
04/15/2014CA2551502C Fibre-optic seismic sensor
04/09/2014CN203534696U Flexible grating hydrophone
04/09/2014CN102663991B Method and device for detecting vibration performance of sounding board of musical instrument
04/09/2014CN102538944B Infrasound generating device based on displacement feedback type vibration table
04/09/2014CN102169012B Method for increasing vibration measurement precision of semiconductor laser sinusoidal phase modulating interferometer
04/03/2014US20140092932 Laser apparatus and photoacoustic apparatus
04/03/2014US20140090474 Long Distance Optical Fiber Sensing System and Method
04/03/2014DE102012109225A1 Laufrad zur Ermittlung des Schwingungsverhaltens von Laufradschaufeln, Prüfstand zur Ermittlung des Schwingungsverhaltens von Laufradschaufeln und ein Verfahren zur Ermittlung des Schwingungsverhaltens von Laufradschaufeln Impeller for determining the vibration behavior of impeller blades, test to determine the vibration behavior of impeller blades and a method for determining the vibration behavior of impeller blades
04/02/2014CN203519293U Microscope bracket for blade fatigue vibration test
04/02/2014CN203519150U Shake monitoring system based on Brillouin distributed optical fiber sensing
04/02/2014CN203519149U Vibration detection device based on coherent light time domain reflection
04/02/2014CN103698001A Power transmission line galloping monitoring method on basis of monocular vision analysis method
04/02/2014CN103698000A Vibration mode measuring method and device of vibration cylinder sensor
04/02/2014CN102809422B Wind turbine driving system torsional vibration measurement method and device
04/01/2014CA2599696C Fabry-perot optical sensor and method of manufacturing the same
03/2014
03/27/2014WO2014046607A1 Device and method for remotely determining the impulse response of an object using electromagnetic radiation
03/26/2014EP2710335A1 Optical sensor
03/26/2014CN203502107U Pipe-penetrating type optical fiber structure capable of amplifying optical fiber induction vibration signals
03/26/2014CN103680076A Double-host distributed optical fiber type prestressed pipeline running safety prewarning system
03/26/2014CN103674220A Vibration measuring system
03/26/2014CN103674219A Fiber grating based interference type three-dimensional vector hydrophone
03/26/2014CN102620808B Local resonance type phononic crystal filtering optical fiber hydrophone
03/25/2014US8681586 Free charge carrier diffusion response transducer for sensing gradients
03/25/2014US8677829 Apparatus, systems and methods for production and integration of compact illumination schemes
03/20/2014US20140076055 Acoustic wave receiving apparatus
03/19/2014CN103644962A Ultra long distance distributed optical fiber vibration sensing device
03/19/2014CN103644961A Sound-pressure measurement sensor and multi-longitudinal-mode fiber-laser sound-pressure measurement system
03/19/2014CN103644960A Ultrasound-assisted grinding machining dynamic amplitude measuring tool and measuring method
03/18/2014US8675451 Acoustic and optical illumination technique for underwater characterization of objects/environment
03/13/2014US20140069196 Device for measuring the relative alignment of two articles, method for determining a quality characteristic and vibration measurement device and method
03/12/2014CN103635784A Photoacoustic vibration meter
03/12/2014CN103630229A Differential coherent time-domain scattering type distributed optical fiber vibration sensing method and system
03/12/2014CN102818621B Non-contact collecting probe
03/05/2014CN103616089A Optical fiber temperature vibration sensor and comprehensive monitoring system and method
03/05/2014CN102607692B Excited amplitude consistency detection system and detection method for super-large size optical platform
02/2014
02/27/2014WO2014031277A2 System for remote vibration detection on combustor basket and transition in gas turbines
02/27/2014WO2014030192A1 Silica porous body and optical microphone
02/26/2014CN103608653A Wind turbine including optical sensor system
02/26/2014CN102928063B Distributive optical fiber vibration sensing system based on wave division multiplex technology
02/19/2014EP2697613A2 Wind turbine including optical sensor system
02/19/2014EP2697612A1 All-optical hydrophone that is not sensitive to temperature or static pressure
02/19/2014CN203443662U Apparatus capable of improving signal to noise ratio of laser micro-vibration sensing system
02/19/2014CN203443661U Buried upright column type structure for amplifying fiber vibration sensing signal
02/19/2014CN203440029U Traction device for arraying of fiber hydrophone array
02/19/2014CN103592018A High-low cycle compound fatigue test high-cycle amplitude measuring equipment and method
02/18/2014US8650960 Method and apparatus for imaging biological data
02/13/2014US20140041456 Method and device for the optical non-contact oscillation measurement of an oscillating object
02/12/2014CN203432675U Vibration sensing device and electronic equipment
02/12/2014CN103575382A Method for testing local mode of automotive sheet part
02/12/2014CN103575381A Ultrasonic transducer sound field measuring method based on dynamic photoelastic method
02/12/2014CN103575380A Optical fiber vibration sensor based on fluorescence method, vibration sensing method and system
02/12/2014CN103575379A Random position point optical fiber distributed sonic sensor
02/06/2014US20140036635 All-optical hydrophone insensitive to temperature and to static pressure
02/06/2014US20140033822 Ultrasonic transducer, and ultrasonic wave generating apparatus and ultrasonic system including the same
02/05/2014CN203422155U Multi-channel simultaneous monitoring type distributed optical fiber vibration sensing device
02/05/2014CN103562684A 光学传感器 The optical sensor
02/05/2014CN103558008A Device for acquiring optical fiber sensing vibration signals in wind tunnel test
02/05/2014CN103557929A Optical fiber Fabry-Perot sound pressure sensor manufacturing method based on graphene membrane and measuring method and device thereof
1 2 3 4 5 6 7 8 9 10 11 12 13 ... 34