Patents
Sitemap › G01 - Measuring; Testing › G01H - Measurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves › G01H 9 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
Patents for G01H 9 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means (3,383)
10/2012
10/18/2012WO2012140179A1 All-optical hydrophone that is not sensitive to temperature or static pressure
10/17/2012CN102735324A Device for measuring micro-vibration amplitude of object through laser single slit-single grating
10/17/2012CN101413627B Optical fiber safe early warning polarization control system
10/16/2012US8286493 Sound sources separation and monitoring using directional coherent electromagnetic waves
10/11/2012US20120255362 Method and system for enhancing the spatial resolution of a fiber optical distributed acoustic sensing assembly
10/11/2012US20120255361 Self cleaning optical probe
10/10/2012CN102721461A Detection device and detection method for semiconductor laser self-mixing infrasound
10/10/2012CN102721460A Optical fiber hydrophone with quasi-reciprocity optical path
10/10/2012CN102721459A Optical fiber hydrophone array adopting reflective quasi-reciprocity optical path
10/10/2012CN102721458A Optical fiber hydrophone adopting reflective quasi-reciprocity optical path
10/10/2012CN102322939B Transient detection method for solid surface acoustic waves and device thereof
10/04/2012US20120247213 Optical seismometer
10/03/2012CN202471236U Optical fiber vibration sensor for liquid environment
10/03/2012CN202471235U Aeolian vibration monitoring device
10/03/2012CN102706924A Device for realizing second-order resonant excitation of micro-cantilever probe
10/03/2012CN102706438A System for monitoring vibration frequency of high-voltage transmission conductor on line
10/03/2012CN102706437A Super-long distance phase-sensitive optical time domain reflectometer (Phi-OTDR) system
10/03/2012CN102095488B Optical fiber silicon micro sound pressure sensor-based packaging structure of low-stress convoluted diaphragm
09/2012
09/27/2012WO2012127808A1 Optical microphone
09/27/2012WO2012126983A1 Optoacoustic transducer and hydrophonic arrangement comprising such transducer(s)
09/26/2012CN202453074U Circuit module capable of detecting infrasonic wave and mobile terminal
09/26/2012CN102696241A 光学麦克 Optical Mike
09/26/2012CN102695946A 信号处理 Signal Processing
09/26/2012CN102692640A Optical fiber deep well earthquake sound instrument
09/26/2012CN102692269A Positioning method and system of Sagnac fiber distributed vibrating sensor
09/26/2012CN102692268A Distributed optical fiber vibration sensor for structural vibration detection
09/26/2012CN102147236B Fully distributed optical fiber strain and vibration sensing method and sensor
09/26/2012CN101968380B Ultralow frequency vibration measurer calibration system and laser interferometer thereof
09/19/2012EP2499472A1 Optic fibres and fibre optic sensing
09/19/2012EP2499471A2 Improvements in distributed sensing
09/19/2012CN102680582A Matching fiber grating acoustic emission sensing system with temperature compensation function
09/19/2012CN102680073A Novel optical fiber vibration measurement instrument
09/19/2012CN102680072A System and method for reducing noise of optical fiber hydrophone phase generated carrier (PGC) time division multiplexing system
09/19/2012CN102679902A Thin flat plate structure resonance modal analysis system and using method thereof
09/13/2012US20120227504 Fiber optic acoustic sensor arrays and systems, and methods of fabricating the same
09/12/2012CN102663991A Method and device for detecting vibration performance of sounding board of musical instrument
09/12/2012CN101871809B Defense area optical fiber distribution type vibration sensor and perimeter alarm system adopting same
09/06/2012US20120222487 Optic fibres and fibre optic sensing
09/05/2012EP2494374A1 Method for determining a parameter related to the vibration of an object by means of laser vibrometry
09/05/2012EP2494321A2 Signal processing
09/05/2012CN102654418A Optical fiber vibration sensor
09/04/2012US8256297 Systems and methods for measuring turbine blade vibratory response
08/2012
08/29/2012EP2491357A2 Downhole monitoring with distributed acoustic/vibration, strain and/or density sensing
08/29/2012CN202403790U Fiber bragg grating vibration sensor
08/29/2012CN101488805B Optical fiber disturbance detection method and apparatus
08/22/2012EP2488838A1 Method and device for estimating the acoustic pressure in a moving fluid and computer program
08/22/2012CN202393490U All-fiber laser Doppler three-dimensional vibration meter
08/22/2012CN102645269A Sound pressure monitoring device of ocean background noise
08/22/2012CN102645268A Optical frequency division multiplexing phase-sensitive optical time domain reflectometer
08/22/2012CN102023050B Laser interference type hydrophone
08/22/2012CN101650216B Improved carpet type monitoring system and monitoring method thereof
08/22/2012CN101603856B Long-distance distributed optical fiber vibration sensing system and method thereof
08/16/2012WO2012109502A2 Vibration sensor
08/16/2012WO2012109197A2 Method for monitoring the condition of a vibration sensor
08/16/2012US20120204651 Vibration sensor
08/16/2012CA2826226A1 Vibration sensor
08/16/2012CA2826168A1 Method for monitoring the condition of a vibration sensor
08/15/2012EP2356412B1 Optical ultrasound receiver
08/15/2012EP1481225B1 Optical fibre sensor assembly
08/15/2012CN202382847U Single-light source distributed optical fiber micro vibration sensing and positioning device
08/15/2012CN102636251A Phase sensitivity light time domain reflection system and method for improving SNR (signal to noise ratio) thereof
08/15/2012CN102636250A Optical fiber vector vibration sensor
08/15/2012CN102636217A Sensing device based on joint detection of Brillouin optical time domain analysis and Mach-Zehnder interference
08/15/2012CN101936766B Counter, physical quantity sensor, counting method, and physical quantity measuring method
08/14/2012US8240211 Ultrasonic probe and method for the optical detection of ultrasonic waves
08/09/2012WO2012103903A1 Ultrasound detector and detecting device for optoacoustic or thermoacoustic imaging
08/09/2012US20120198938 Rig for measuring bladed component mistuning
08/09/2012DE19822286B4 Akustik-Mikroskop Acoustic microscope
08/08/2012EP2483647A1 Optical method and device for a spatially resolved measurement of mechanical parameters, in particular mechanical vibrations by means of glass fibers
08/08/2012CN202372251U Phase difference measurement indicating dial for Bohr resonance spectrometer
08/08/2012CN102080985B Vibration measurement equipment for rail and measurement system using same
08/01/2012CN202362072U Optical fiber processing device reinforcing vibration signal induction
08/01/2012CN102620811A Novel high-precision heterodyne laser vibration measuring instrument
08/01/2012CN102620810A Low-frequency micro vibration acousto-optic modulation detection device
08/01/2012CN102620809A Optical measuring method for in-plane vibration of micro-electromechanical structure
08/01/2012CN102620808A Local resonance type phononic crystal filtering optical fiber hydrophone
07/2012
07/26/2012US20120186353 Acoustic sensor with at least one photonic crystal structure
07/26/2012US20120186352 Method and kit for stand-off detection of explosives
07/25/2012EP2479545A1 Sensor probe and method of assembling a sensor probe
07/25/2012CN102612639A Phase based sensing
07/25/2012CN102607788A Device and method for detecting vibration isolation performance consistency of oversized optical platform
07/25/2012CN102607693A Acousto-optic modulation detection device and detection method for vibration performance of optical table
07/25/2012CN102607692A Excited amplitude consistency detection system and detection method for super-large size optical platform
07/25/2012CN102607691A Intrinsic fiber Fabry-Perot vibration sensor for liquid media and using method thereof
07/25/2012CN102607690A Breeze vibration monitoring device and method
07/25/2012CN102261949B Flexible clamp for optical fiber sensor
07/25/2012CN101907485B Non-contact structure micro-vibration monitoring device
07/24/2012US8228760 Airborne laser-acoustic mine detection system
07/19/2012WO2012095640A2 Fibre optic distributed sensing
07/18/2012EP2475965A1 Optical fiber, method of preparation thereof and device
07/18/2012CN102589593A Phase sensitive type optical time domain reflection sensing system and method
07/17/2012CA2612164C Multi wavelength sensor array
07/12/2012US20120174677 Optical method and device for a spatially resolved measurement of mechanical parameters, in particular mechanical vibrations by means of glass fibers
07/11/2012CN202325687U 基于光纤传感的矿井安全监测、预警及定位装置 Mine safety monitoring optical fiber sensing, early warning and positioning device based on
07/11/2012CN102564564A Non-contact micro-vibration measuring system based on non-equilibrium Michelson fiber-optic interferometer
07/11/2012CN102564563A Speech detecting system based on laser Doppler interference
07/11/2012CN101608944B Optical fiber vibration sensing head and manufacturing method thereof
07/05/2012US20120167694 Photoacoustic imaging system, coded laser emitting apparatus and photoacoustic signal receiving apparatus
07/05/2012US20120167693 Acoustic wave measuring apparatus, acoustic wave imaging apparatus and method for controlling acoustic wave measuring apparatus
07/04/2012CN202305009U 铁路轨道车体水平方向振动检测装置 Railway track in the horizontal direction of the vehicle body vibration detecting means
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