| 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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| 08/28/2007 | US7262834 Sensor for measuring velocity of vibration using light waveguide |
| 08/28/2007 | CA2311795C Interferometric sensing apparatus |
| 08/22/2007 | EP1615562A4 Ultrasonic probing device with distributed sensing elements |
| 08/22/2007 | CN101023377A Method and device for studying the relative movement of a surface using an interferometer |
| 08/21/2007 | US7260023 Remote underwater laser acoustic source |
| 08/15/2007 | CN101017109A Detecting method for micro cantilever beam adhesion characteristics |
| 08/14/2007 | US7254999 Permanently installed in-well fiber optic accelerometer-based seismic sensing apparatus and associated method |
| 08/14/2007 | CA2436813C Circumferential strain attenuator |
| 08/08/2007 | EP1816453A2 Systems and methods for remote monitoring of vibrations in machines |
| 08/08/2007 | CN101014938A Methods for monitoring structural health conditions |
| 08/02/2007 | WO2007087093A2 Rugged fiber optic towed array |
| 08/02/2007 | US20070175283 Systems and Methods for Remote Monitoring of Vibrations in Machines |
| 08/01/2007 | EP1811901A1 Intravascular ultrasound imaging device |
| 08/01/2007 | CN101008583A Disturbing signal detecting system based on bidirectional Mach Zehnder heterodyne interferometer |
| 07/31/2007 | US7251196 Passive optical detection of underwater sound |
| 07/25/2007 | CN101004357A Apparatus for measuring vibration characteristic of head gimbal assembly |
| 07/24/2007 | US7246521 Diagnostic system for monitoring structural health conditions |
| 07/19/2007 | US20070166049 Laser vibrometer |
| 07/18/2007 | CN1327200C Digital laser image vibration measurer |
| 07/17/2007 | US7245789 Systems and methods for minimally-invasive optical-acoustic imaging |
| 07/17/2007 | US7245385 Characterizing unsteady pressures in pipes using optical measurement devices |
| 07/12/2007 | US20070158586 Method and apparatus for determination of oscillations on a rotating blade disc of a turbine |
| 07/11/2007 | EP1805540A1 Optical sensor fiber with protective jacketing layers |
| 07/11/2007 | CN1995935A Fiber-optic safety guard system for use in oil line |
| 07/11/2007 | CN1995934A Distribution type fiber-optic vibration sensor |
| 07/11/2007 | CN1995933A Single-end optical fiber ring reflection type vibration and sonic sensor |
| 07/05/2007 | US20070151325 Method and system for detecting one or more gases or gas mixtures and/or for measuring the concentration of one or more gases or gas mixtures |
| 07/04/2007 | EP1804050A2 Cantilever array, method of manufacturing the array, and scanning probe microscope, sliding device of guide and rotating mechanism, sensor, homodyne laser interferometer, and laser doppler interferometer with specimen light excitation function, using the array, and cantilever |
| 07/03/2007 | CA2276449C Apparatus for enhancing strain in intrinsic fiber optic sensors and packaging same for harsh environments |
| 06/28/2007 | WO2007070933A1 A mechanically filtered hydrophone |
| 06/21/2007 | DE19961830B4 Verfahren zur Erzeugung von Zeitmarken beliebiger Punkte beweglicher Bauteile und optische Triggereinrichtung zur Durchführung des Verfahrens A method for generating time stamps of any points of movable components and optical triggering device for performing the method |
| 06/14/2007 | WO2007065643A1 Vibrometer |
| 06/14/2007 | US20070133925 Systems and methods for minimally-invasive optical-acoustic imaging |
| 06/14/2007 | DE102006003877A1 Vibrometer Vibrometer |
| 06/13/2007 | EP1794561A1 Opto-acoustic pressure sensor |
| 06/07/2007 | WO2007063544A2 Method and apparatus for determination of the concentration of particles in multi-component fluid systems |
| 06/06/2007 | EP1228349B1 Fiber optic seismic sensor |
| 05/31/2007 | US20070123776 Ultrasonic probing device with distributed sensing elements |
| 05/31/2007 | US20070119239 Method and apparatus for determination of the concentration of particles in multi-component fluid systems |
| 05/30/2007 | EP1260116B1 Folded sagnac sensor array |
| 05/29/2007 | US7224872 Rugged fiber optic array |
| 05/29/2007 | US7224465 Fiber tip based sensor system for measurements of pressure gradient, air particle velocity and acoustic intensity |
| 05/29/2007 | CA2422037C Apparatus for acoustic detection of particles in a flow using a fibre optic interferometer |
| 05/29/2007 | CA2281627C System and method for laser ultrasonic bond integrity evaluation |
| 05/24/2007 | WO2007056827A1 Methods, systems and apparatus for measuring acoustic pressure |
| 05/24/2007 | US20070113656 Acoustic imaging system |
| 05/18/2007 | WO2007055800A1 A method and system of using odd harmonics for a phase generated carrier modulated optical signal |
| 05/18/2007 | WO2005031502B1 Methods for monitoring structural health conditions |
| 05/16/2007 | CN1963417A Apparatus for measuring libration by optical fibre and measuring method |
| 05/10/2007 | WO2007051831A1 Accelerometer for measuring vibrations with an optical sensor |
| 05/10/2007 | DE102005053038A1 Verfahren zur Detektion von durch ein geotektonisches Ereignis ausgelösten geotektonischen Signalen A method for detecting triggered by an event geotektonisches geotectonic signals |
| 05/10/2007 | CA2628184A1 Accelerometer for measuring vibrations with an optical sensor |
| 05/03/2007 | WO2007049693A1 Vibration measuring system, vibration measuring method, and computer program |
| 05/02/2007 | EP1585949B1 Method for determination of the stress on blades of a turbomachine during operation and corresponding device for carrying out said method |
| 05/02/2007 | CN1313801C Optical displacement sensor |
| 05/01/2007 | CA2279609C Device to actively weaken undesirable vibrations in a rotating roll; device for treatment of a material web; specifically a paper or cardboard web |
| 04/24/2007 | US7209291 Optical displacement sensor |
| 04/18/2007 | CN2890861Y Fiber acoustic sensor |
| 04/17/2007 | US7206265 Device capable of detecting vibration/shock |
| 04/17/2007 | US7206259 Ultrasound sensor and ultrasound measurement device |
| 04/12/2007 | DE10111974B4 Einrichtung und Verfahren zur Schwingungsmessung Apparatus and method for measuring vibration |
| 04/12/2007 | DE10106801B4 Schwingungsmessverfahren und Frequenzmessvorrichtung Vibration measurement methods and frequency measuring device |
| 04/11/2007 | CN1945237A Vibration measuring device based on micro opto-electromechanic system |
| 04/11/2007 | CN1309526C Method and device for measuring capillary free oscillation amplitude of lead line connector |
| 04/10/2007 | CA2305437C Fiber optic sensor system and method |
| 04/03/2007 | US7197931 Sensors for monitoring structural health conditions |
| 03/29/2007 | WO2005031502A3 Methods for monitoring structural health conditions |
| 03/28/2007 | EP1532758A4 Method for sensing acoustic energy |
| 03/28/2007 | CN1938570A Method and device for detection of vibrations on a rotating vane of a turbine |
| 03/15/2007 | WO2007028360A1 Method for determination of strain distribution in components |
| 03/14/2007 | EP1563323B1 Flextensional vibaration sensor |
| 03/13/2007 | US7191105 Characterizing, synthesizing, and/or canceling out acoustic signals from sound sources |
| 03/08/2007 | US20070052975 Arrangement for the optical distance determination of a reflecting surface |
| 02/22/2007 | WO2007021287A1 Method and apparatus for direct detection of signals from a differential delay heterodyne interferometric system |
| 02/22/2007 | WO2007019676A1 Single piece fabry-perot optical sensor and method of manufacturing the same |
| 02/22/2007 | US20070041274 Acoustic sensor |
| 02/22/2007 | US20070041273 Acoustic sensor |
| 02/22/2007 | CA2618685A1 Single piece fabry-perot optical sensor and method of manufacturing the same |
| 02/21/2007 | EP1554539A4 Imaging systems |
| 02/21/2007 | CN1916574A Method and device for measuring angular oscillation through laser interference |
| 02/13/2007 | US7177029 Stroboscopic interferometry with frequency domain analysis |
| 02/08/2007 | WO2007015324A1 Microphone element |
| 02/08/2007 | WO2006001842A3 Electro-optic sensor |
| 02/08/2007 | US20070028695 Opto-acoustoelectric device and methods for analyzing mechanical vibration and sound |
| 02/07/2007 | EP1036307B1 Interferometric sensing apparatus |
| 02/07/2007 | CN1910430A Improvements in and relating to accelerometers |
| 01/24/2007 | EP1415164B1 High performance fiber optic accelerometer |
| 01/23/2007 | US7165456 Measuring method to determine the noise emission of an electric motor and measuring device |
| 01/18/2007 | US20070012112 Interrogation system for active monitoring of structural conditions |
| 01/18/2007 | US20070012111 Interrogation network patches for active monitoring of structural health conditions |
| 01/17/2007 | CN1896700A Fiber-optic seismic sensor |
| 01/11/2007 | US20070006653 Diagnostic system for monitoring structural health conditions |
| 01/10/2007 | CN2856950Y Fiber glass raster low frequeney oscillation senser for civil engineering |
| 01/07/2007 | CA2551502A1 Fibre-optic seismic sensor |
| 01/04/2007 | WO2007001411A1 Multi wavelength sensor array |
| 01/04/2007 | DE102005027770A1 Device for determining a sound energy flux field comprises a calibration value storage unit in which a calibration value is stored for each measuring point on a foil |
| 01/02/2007 | CA2320178C Improvements in or relating to sound detection |
| 12/27/2006 | EP1736804A1 Cantilever-based detector device and method of manufacturing such a device |
| 12/27/2006 | EP1092123B1 Method and apparatus for detecting ultrasonic surface displacements using post-collection optical amplification |
| 12/27/2006 | CN1292238C Optical fiber micro-vibration sensor based on optical fiber raster |