| 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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| 10/10/2013 | WO2013151524A1 Vsp systems and methods representing survey data as parameterized compression, shear, and dispersive wave fields |
| 10/10/2013 | WO2013093460A3 Seismic monitoring |
| 10/10/2013 | US20130263669 Probe and manufacturing method thereof, and object information acquisition apparatus using the same |
| 10/09/2013 | CN103344317A Non-contact type fiber bragg grating vibration sensor, and device and method for vibration measurement |
| 10/09/2013 | CN103344316A Sound wave sensor probe of asymmetric structure and hydrophone |
| 10/09/2013 | CN103344315A High-speed optical fiber balance interference vibration measurement system |
| 10/09/2013 | CN103344314A M-Z optical fiber vibration sensing system and fiber breakage detection method thereof |
| 10/02/2013 | CN103335705A Optical fiber F-P acoustic sensor for monitoring hydraulic decoking condition of coking tower |
| 10/02/2013 | CN103335704A Vibration measurement device for laser interference rotor and measurement method thereof |
| 10/02/2013 | CN102620810B Low-frequency micro vibration acousto-optic modulation detection device |
| 10/02/2013 | CN102538943B Method and system for extracting high-speed vibration synchronizing signal |
| 09/26/2013 | WO2013141326A1 Electromagnetic wave pulse measuring device and method, and application device using the same |
| 09/25/2013 | CN103323143A Quasi-distributed fiber sensor capable of measuring temperature and vibration simultaneously and manufacturing method |
| 09/25/2013 | CN103323094A Heterodyne laser interference angle vibration measuring device and method |
| 09/25/2013 | CN102226703B Distributed fiber multi-parameter sensor and multi-parameter measuring method |
| 09/25/2013 | CN101599766B Differential-mode component extraction method of optical signal and device thereof |
| 09/19/2013 | WO2012158371A3 Industrial process monitoring and imaging |
| 09/19/2013 | DE102013004681A1 Vorrichtung und Verfahren, die optische Sensoren verwenden, die im Reflexionsmodus arbeiten. Apparatus and method which use optical sensors that operate in reflection mode. |
| 09/18/2013 | CN203203704U Negative pressure arraying device for detecting array |
| 09/18/2013 | CN103308151A Heterodyne laser vibration measuring device and method |
| 09/18/2013 | CN103308150A Whole-field vibration measurement system with lasers |
| 09/18/2013 | CN103308149A Machine vision synchronous focusing scanning type laser vibration measuring device |
| 09/18/2013 | CN103308148A Linear multi-channel fiber acoustic vibration sensing device and method |
| 09/18/2013 | CN103308147A Vibration measurement method and system based on single-frequency laser feedback |
| 09/18/2013 | CN103308146A Signal demodulation system for optical fiber F-P (Fabry-Perot) acoustic emission sensor |
| 09/18/2013 | CN103308145A Novel high-sensitivity optical fiber vibrating wire microseismic sensor and manufacturing method |
| 09/18/2013 | CN103308144A Fiber Bragg grating vibration sensing measurement system and use method |
| 09/18/2013 | CN103308142A Method and device for measuring speed and frequency of ultrasonic traveling wave in liquid |
| 09/18/2013 | CN102829854B Suspended type fiber grating vibration sensor |
| 09/17/2013 | US8534129 Photoacoustic multipass cell with concentrating reflection means |
| 09/12/2013 | WO2013133186A1 Acoustic signal reception apparatus and subject information acquisition apparatus using the same |
| 09/12/2013 | US20130233084 Method and apparatus of detecting an object |
| 09/11/2013 | EP2635875A1 An integrity monitoring system and a method of monitoring integrity of a stationary structure |
| 09/11/2013 | CN203191069U Extrinsic optical fiber Fabry-Perot acoustic emission sensor and ultrasonic detection device comprising same |
| 09/11/2013 | CN103292943A Non-contact type impact wave hyperpressure measuring method |
| 09/11/2013 | CN103292891A Optical fiber type synchronous tunable vibration measurement system |
| 09/11/2013 | CN103292890A Smart shockproof hammer based on fiber Bragg grating |
| 09/11/2013 | CN103292889A Distributed optical fiber vibrating sensor vibration source locating method |
| 09/11/2013 | CN102313779B Acoustic emission signal sensing system based on fiber Bragg grating |
| 09/11/2013 | CN102141427B Method for detecting sound field parameter in fluid medium by using laser vibrometer |
| 09/10/2013 | US8531527 Acoustic-wave sensor, acoustic-wave sensor array, and ultrasonic imaging apparatus |
| 09/06/2013 | WO2013131067A1 Optomechanical accelerometer |
| 09/04/2013 | CN102519574B Heterodyne modulation method for vibration detection |
| 09/03/2013 | US8522614 In-line inspection methods and closed loop processes for the manufacture of prepregs and/or laminates comprising the same |
| 08/28/2013 | CN103267567A Measuring device and method for vibration of flexible cantilever on basis of machine vision |
| 08/28/2013 | CN103267566A Piston type fiber bragg grating vibrating sensor |
| 08/28/2013 | CN101776476B Systems, gyroscope sensors, and fabrication methods for forming structures for the gyroscope sensors. |
| 08/27/2013 | US8520472 Compact laser sensors and monitoring systems including such sensors |
| 08/21/2013 | EP2627991A1 Optical evanescent field sensor |
| 08/21/2013 | CN203149174U High-sensitivity vibration detection optical cable |
| 08/21/2013 | CN103256897A Optical fiber sensing on-line monitoring system and method for hydraulic decoking operating state of petrochemical coking tower |
| 08/15/2013 | US20130211726 Detecting broadside and directional acoustic signals with a fiber optical distributed acoustic sensing (das) assembly |
| 08/15/2013 | US20130208284 Multi-channel laser interferometric method and apparatus for detection of ultrasonic motion from a surface |
| 08/14/2013 | CN203132682U Laser measuring device for sawing machine saw blade vibration state |
| 08/14/2013 | CN103245408A Extrinsic optical fiber Fabry-Perot vibration sensor and system |
| 08/14/2013 | CN103245407A Optical fiber micro-vibration sensing alarm system |
| 08/14/2013 | CN103245329A Device and method for testing gradient and oscillation of cable-stayed bridge tower |
| 08/14/2013 | CN102645269B Sound pressure monitoring device of ocean background noise |
| 08/14/2013 | CN102301212B Measurement of vibration characteristics of object |
| 08/08/2013 | WO2013114128A1 Indicating locations |
| 08/07/2013 | CN203116843U Contact system vibration measuring device |
| 08/07/2013 | CN103234620A Extrinsic optical-fiber F-B (fabry-perot) acoustic-emission sensor, ultrasonic detector containing sensor and use method of detector |
| 08/07/2013 | CN103234619A Optical fiber Fabry-Perot ultrasound hydrophone and system |
| 08/06/2013 | US8499638 Fibre optic accelerometer and a method of manufacturing a fibre optic accelerometer |
| 08/06/2013 | US8499637 Laser based acousto-optic sensing enhancement using tailored retro-reflectors |
| 08/01/2013 | WO2013027068A3 A fibre optic distributed sensor |
| 08/01/2013 | WO2012161340A3 Acoustic wave receiving apparatus |
| 07/31/2013 | CN203103754U Stimulated Raman amplifier for distributed optical fiber vibration sensing system |
| 07/31/2013 | CN203102686U Vibration measuring device for college physics teaching |
| 07/31/2013 | CN203100888U Lifting device for three-dimensional laser scanning vibration meter of full-automatic three-dimensional arbitrary point reflector |
| 07/31/2013 | CN203100887U Lifting device for full-automatic three-dimensional high arbitrary point laser vibration measurer |
| 07/31/2013 | CN203099232U Vibration exciter fixing clamp |
| 07/31/2013 | CN102322879B Continuous optical wavelength division multiplexing long-distance distributed disturbance positioning device and method |
| 07/25/2013 | WO2013107473A1 Speckle interferometric method and system for detecting a movement of a surface |
| 07/24/2013 | CN103217209A Micro-vibration real-time surface detection device based on digital holography |
| 07/24/2013 | CN103215865A Method for dynamically monitoring health states of railway continuous-beam bridge and rail overlapping device |
| 07/24/2013 | CN102119323B Fiber optic acoustic sensor system using push-pull two wavelength fabry perot sensor, and method therefor |
| 07/24/2013 | CN101965367B Modalmetric fibre sensor |
| 07/18/2013 | WO2013104188A1 Infrasound generation device based on displacement feedback-type vibration table |
| 07/17/2013 | CN203070489U Monitoring and alarming system for dangerous rock falling stone along railway |
| 07/17/2013 | CN203069261U Modal testing system based on single-point laser continuous plane scanning vibration test |
| 07/17/2013 | CN103208161A Active detecting type fiber grating cable tunnel security and protection monitoring system |
| 07/17/2013 | CN101893452B Device for eliminating common mode component coefficient of interference optical signals |
| 07/16/2013 | CA2620513C Method and apparatus for direct detection of signals from a differential delay heterodyne interferometric system |
| 07/11/2013 | US20130178729 Systems and methods for minimally-invasive optical-acoustic imaging |
| 07/10/2013 | CN203053562U Frequency response calibration device of distributed type broadband spectrum fiber interference vibration sensing system |
| 07/10/2013 | CN203053561U Low-frequency small-amplitude vibration amplitude measuring apparatus used in laboratory |
| 07/10/2013 | CN203053560U Calibration apparatus for long-distance distributed fiber vibration monitoring system |
| 07/10/2013 | CN103201592A An integrity monitoring system and a method of monitoring integrity of a stationary structure |
| 07/10/2013 | CN103196542A Vibration monitoring system and vibration monitoring method for divided conductors |
| 07/10/2013 | CN103196541A Object vibration spectrum measurement system based on laser |
| 07/10/2013 | CN103196540A Hydrophone system based on asymmetrical distribution feedback fiber laser array |
| 07/04/2013 | WO2013098321A2 Smart hydrocarbon fluid production method and system |
| 07/03/2013 | CN203037346U Optical-fiber micro-vibration sensor |
| 07/03/2013 | CN203037345U Laser sound detection apparatus |
| 06/27/2013 | WO2013093478A1 Location and monitoring of undersea cables |
| 06/27/2013 | US20130160557 Acoustic wave acquiring apparatus |
| 06/26/2013 | EP2606322A2 Detection of moving objects |
| 06/26/2013 | CN203024857U Vibration detection device of non-contact fluid component |
| 06/26/2013 | CN103175602A Modal testing system and modal testing method on basis of single-point laser continuous plane-scanning vibration measurement |