| Patents for G01H 9 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means (3,383) |
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| 03/02/2011 | CN101982740A Optical fiber grating vibration sensor comprising double cantilever beams with equal strength |
| 02/24/2011 | US20110041616 Acoustic sensor with at least one photonic crystal slab |
| 02/24/2011 | US20110041615 Earthquake detection and alarming apparatus |
| 02/23/2011 | EP2286181A1 Vision system for scan planning of ultrasonic inspection |
| 02/17/2011 | US20110040511 Acoustography dynamic range extending device and method |
| 02/16/2011 | CN201749538U Alarm device with vibration sensor |
| 02/09/2011 | CN101968550A Rock stratum recognizing device and method based on array optical fiber sensor |
| 02/09/2011 | CN101968380A Ultralow frequency vibration measurer calibration system and laser interferometer thereof |
| 02/08/2011 | CA2428793C Multi-parameter interferometric fiber optic sensor |
| 02/02/2011 | CN201731936U Grating type vibration sensor |
| 02/02/2011 | CN101963786A Photostrictive driver based vibration wireless driving control device and method |
| 02/02/2011 | CN101963526A Thermostable optical fiber vibration sensor |
| 02/02/2011 | CN101038207B System and method for remote monitoring of vibration in machine |
| 01/26/2011 | CN101603857B Method for demodulating phase carrier in Fabry-Perot interference type optical fiber hydrophon |
| 01/26/2011 | CN101556185B Double frequency shift laser doppler vibration measuring device |
| 01/19/2011 | EP2275834A1 Counter, physical quantity sensor, counting method, and physical quantity measuring method |
| 01/19/2011 | CN201716502U Bragg grating high-speed demodulating system based on cascading long-period fiber bragg grating |
| 01/19/2011 | CN201716102U Vibration sensor |
| 01/19/2011 | CN201716101U Water light vibration sensor |
| 01/19/2011 | CN101952695A Device for improved response when measuring vibration frequency of a vibrating object |
| 01/12/2011 | CN101943600A Backscatter-based distributed fiber-optic vibration system |
| 01/05/2011 | CN101940004A Optical ultrasonic microphone |
| 01/05/2011 | CN101937602A Multi-site optical fiber vibration invasion monitoring device |
| 01/05/2011 | CN101936766A Counter, physical quantity sensor, counting method, and physical quantity measuring method |
| 01/05/2011 | CN101634571B Optical pulse raster distributed fiber sensing device |
| 12/30/2010 | US20100332203 Optical Method For the Characterization of Laterally-Patterned Samples in Integrated Circuits |
| 12/29/2010 | CN201688911U Plate type optical fiber speech acquisition enhancing device |
| 12/29/2010 | CN1896700B Fiber-optic seismic sensor |
| 12/29/2010 | CN101930014A Inertia parameter sensing device based on spring optical fiber microbending loss |
| 12/15/2010 | EP2261616A1 Standing wave detection apparatus and method of controlling the same |
| 12/15/2010 | EP2261615A2 Seismic streamer |
| 12/15/2010 | CN101915857A Inertia parameter sensing device based on fiber microbending loss |
| 12/15/2010 | CN101915603A Non-contact synchronous measuring instrument for subgrade and rail vibration |
| 12/15/2010 | CN101913437A Multi-parameter compound environmental tester |
| 12/08/2010 | CN101907755A Sensing optical cable for detecting vibration |
| 12/08/2010 | CN101907722A Fiber bragg grating vibration acceleration sensor for monitoring low-frequency earthquake waves |
| 12/08/2010 | CN101907486A Lateral, angular and torsional vibration monitoring of rotordynamic systems |
| 12/08/2010 | CN101907485A Non-contact structure micro-vibration monitoring device |
| 12/02/2010 | WO2010136724A1 Bragg grating fiber hydrophone with a bellows amplifier |
| 12/02/2010 | WO2010136723A1 Fiber bragg grating hydrophone comprising a diaphragm amplifier |
| 11/24/2010 | CN201653822U Ultrasonic bending fatigue testing device capable of automatically adjusting sample bearing points |
| 11/24/2010 | CN101893476A Long-distance optical fiber vibration sensing system with distributed amplification |
| 11/24/2010 | CN101893475A Optical fiber delay line-based distributed optical fiber vibration sensing system |
| 11/24/2010 | CN101893452A Device for eliminating common mode component coefficient of interference optical signals |
| 11/11/2010 | US20100281986 multipoint laser doppler vibrometer |
| 11/11/2010 | US20100281985 Optical fiber vibration sensor |
| 11/10/2010 | CN101881652A Method for testing vibration mode of piezoelectric chip |
| 11/10/2010 | CN101881600A Interference vibration displacement determining method, vibration frequency determining method and interference device |
| 11/10/2010 | CN101408456B Resonance measuring chucking appliance of hard disk drive rack |
| 11/04/2010 | US20100280826 Sound sources separation and monitoring using directional coherent electromagnetic waves |
| 11/03/2010 | CN201622111U Low-noise heterodyne laser interferometer for measuring vibration |
| 11/03/2010 | CN101876566A Optical fiber sensing device for measuring voice vibration by passing through solid |
| 11/03/2010 | CN101504311B Sensing head of optical fiber acoustic sensor |
| 10/27/2010 | EP2243006A1 Device for improved response when measuring vibration frequency of a vibrating object |
| 10/27/2010 | CN101871894A Characterization method for realizing dynamic loading imaging of material internal defect by utilizing strobe frequency detection |
| 10/27/2010 | CN101871809A Defense area optical fiber distribution type vibration sensor and perimeter alarm system adopting same |
| 10/27/2010 | CN101871808A High-stability F-P optical fiber acoustic sensor |
| 10/27/2010 | CN101871807A Infrasonic wave detection device and method |
| 10/26/2010 | CA2457325C Amplified tree structure technology for fiber optic sensor arrays |
| 10/20/2010 | CN201611277U 基于双马赫-泽德干涉仪的光纤振动传感系统 Based on double Mach - Zehnder interferometer optical fiber vibration sensor system |
| 10/14/2010 | WO2010116398A1 Optical ultrasonic microphone |
| 10/14/2010 | US20100260013 Mechanically Filtered Hydrophone |
| 10/06/2010 | CN101852815A Temperature self-compensating cantilever beam type fiber grating accelerometer |
| 10/06/2010 | CN101852645A Precise positioning type optical fiber distributed vibration sensor |
| 10/06/2010 | CN101852644A Shock sensor, earthquake alarming system using same and alarming method |
| 10/06/2010 | CN101852643A Temperature self-compensating double grating symmetrical push-pull type fiber grating vibrating sensor |
| 10/06/2010 | CN101023377B Method and device for studying the relative movement of a surface using an interferometer |
| 09/30/2010 | WO2010110753A1 A magnetic media tester and a method of magnetic media testing |
| 09/30/2010 | US20100246329 Compact laser sensors and monitoring systems including such sensors |
| 09/23/2010 | WO2010106563A1 Reproduction of sound of musical instruments by using fiber optic sensors |
| 09/22/2010 | CN101839760A Distributed optical fiber vibration sensor based on relay amplifying and sensing technology and method thereof |
| 09/22/2010 | CN101839759A Few-mode fiber oblique raster-based vibration sensing system |
| 09/21/2010 | US7797996 Permanently installed in-well fiber optic accelerometer-based sensing apparatus and associated method |
| 09/16/2010 | US20100229650 Apparatus, systems and methods for production and integration of compact illumination schemes |
| 09/15/2010 | CN101299635B Apparatus and method for discriminating front and back of wide field complete-optical fiber disturbing signal |
| 09/08/2010 | CN101825645A Motion sensing method and motion sensing device using the same |
| 09/08/2010 | CN101387546B Space sailboard bend and torsion low frequency mode detecting method and apparatus based on vision |
| 09/02/2010 | US20100218610 Microscopic acoustic radiation detecting apparatus and method |
| 09/01/2010 | CN101819114A Ultrasonic bending fatigue experimental device |
| 09/01/2010 | CN101276499B Intelligent monitoring apparatus of ATM equipment based on all-directional computer vision |
| 08/25/2010 | CN101303788B Perimeter alarming method and system for implementing orientation of composite type complete optical fiber |
| 08/25/2010 | CN101285847B Temperature insensitive optical fibre grating acceleration sensor |
| 08/19/2010 | US20100206083 Laser deflection vibration test of door mirror |
| 08/18/2010 | CN201555846U Vibration sensing device used for detecting highway roadbed |
| 08/12/2010 | US20100199773 Method and apparatus for noise reduction in ultrasound detection |
| 08/11/2010 | CN201548317U Mining optical fiber grating sound sensor |
| 08/11/2010 | CN101799453A Novel double-waving mixing interference ultrasonic vibration detection device |
| 08/11/2010 | CN101799319A Method for measuring resonance frequency of high-speed tilting mirror |
| 08/11/2010 | CN101799318A Laser homodyne vibration detection optical system and method for processing signals by using same |
| 08/05/2010 | WO2010086044A1 Measurement of vibration characteristics of an object |
| 08/04/2010 | CN201540155U Common-mode signal factor filtering device |
| 08/04/2010 | CN101793548A Device and method for coherent separation of noise of equipment of direct-current convertor station |
| 07/28/2010 | EP2211219A2 Vibrational Microscopy Imaging System |
| 07/28/2010 | CN201534503U 接触网关键部位动态偏移量检测装置 Contact Gateway key part of the dynamic offset detection device |
| 07/28/2010 | CN101788331A Detecting equipment and detecting method of infrasound |
| 07/22/2010 | WO2010017993A3 Optical flow sensor |
| 07/22/2010 | US20100182872 Seismic cable structure |
| 07/21/2010 | CN101782658A Probe structure of double L-shaped fiber Bragg grating seismic detector |
| 07/15/2010 | US20100175479 Method to produce 3-D optical gyroscope my MEMS technology |
| 07/14/2010 | CN101776476A Systems, gyroscope sensors, and fabrication methods for forming structures for the gyroscope sensors. |