| 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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| 03/29/2005 | US6873752 Tuneable fiber optic sensor |
| 03/24/2005 | WO2004032722A3 Imaging systems |
| 03/24/2005 | US20050062979 Optical fiber pressure and acceleration sensor fabricated on a fiber endface |
| 03/24/2005 | US20050061076 Sensors and systems for structural health monitoring |
| 03/22/2005 | US6869006 Amplitude measurement for an ultrasonic horn |
| 03/22/2005 | US6868737 Circumferential strain attenuator |
| 03/22/2005 | CA2278356C Optical waveguide sensor system for remote detection |
| 03/17/2005 | WO2005024339A2 Optical fiber pressure and acceleration sensor fabricated on a fiber endface |
| 03/10/2005 | US20050052724 Opto-acoustoelectric device and methods for analyzing mechanical vibration and sound |
| 03/10/2005 | US20050051713 Modelocked waveform for synthetic aperture ladar |
| 03/10/2005 | US20050051022 Detection of sound waves produced by a musical instrument |
| 03/03/2005 | WO2004090485A3 Method and apparatus for real-time vibration imaging |
| 03/02/2005 | EP1509978A2 System and method for high-speed laser detection of ultrasound |
| 03/02/2005 | EP1260116A4 Folded sagnac sensor array |
| 02/24/2005 | WO2004065918A3 Method for determination of the stress on blades of a turbine machine during operation and corresponding device for carrying out said method |
| 02/23/2005 | CN1584517A Digital laser image vibration measurer |
| 02/16/2005 | CN1189725C Laser vibration detestion method and its equipment |
| 02/10/2005 | US20050031246 Tuneable fiber optic sensor |
| 02/10/2005 | DE10330946A1 Verfahren zur Messung von Schwingungsvorgängen und Messeinrichtung hierzu A method for measuring vibration processes, and the measuring device for this purpose |
| 02/09/2005 | CN1578540A An opto-acoustoelectric device and methods for analyzing mechanical vibration and sound |
| 02/02/2005 | EP1029222B1 Improved array topologies for implementing serial fiber bragg grating interferometer arrays |
| 02/01/2005 | US6848315 Vibration detecting system of resilient body and vibrating contact detection probe |
| 01/26/2005 | EP1500913A2 An opto-acoustoelectric device and methods for analyzing mechanical vibration and sound |
| 01/20/2005 | WO2004099739A3 Optical detection cell and sensor using one such cell |
| 01/20/2005 | US20050013526 Patch-type extrinsic fabry-perot interferometric fiber optic sensor and real-time structural vibration monitoring method using the same |
| 01/20/2005 | US20050012935 Characterizing unsteady pressures in pipes using optical measurement devices |
| 01/19/2005 | CN1185485C Ultrasonic probe, ultrasonic receiving device and diagnosing device |
| 01/13/2005 | WO2005003695A1 Characterizing unsteady pressures in pipes using optical measurement devices |
| 01/13/2005 | US20050007599 Stroboscopic interferometry with frequency domain analysis |
| 01/12/2005 | EP1496723A1 Fiber optic sensor array based on sagnac interferometer |
| 01/12/2005 | EP1496343A2 Method and device for recording the motion of reference points on vibrating structures |
| 01/12/2005 | CN2670925Y Signal generator of ultrasonic grating sound velocimeter |
| 01/11/2005 | CA2198593C Optical sensors and method for producing fibre optic modalmetric sensors |
| 12/29/2004 | CN1558189A Full optical fiber positioning and testing method for strain and vibration |
| 12/28/2004 | US6836577 Variable coupler fiberoptic sensor and sensing apparatus using the sensor |
| 12/22/2004 | EP1489394A1 Torsional vibration measuring instrument |
| 12/22/2004 | EP1212832B1 Device and method for high-sensitivity resolution detection |
| 12/22/2004 | CN1181335C Method and apparatus for measuring sound field distribution image using sonic chemiluminescence imaging |
| 12/16/2004 | US20040252587 Method and apparatus for real-time vibration imaging |
| 12/09/2004 | US20040247223 System and method for multiplexing optical sensor array signals |
| 12/08/2004 | EP1484587A2 System and method for multiplexing optical sensor array signals |
| 12/08/2004 | EP1483600A1 Modelocked laser transmitter for synthetic aperture ladar |
| 12/02/2004 | US20040237648 Optical accelerometer or displacement device using a flexure system |
| 12/01/2004 | EP1481225A2 Optical fibre sensor assembly |
| 11/30/2004 | US6825935 Apparatus for and method of using optical interference of light propagating through an optical fiber loop |
| 11/30/2004 | CA2320449C Acoustic sensing system for downhole seismic applications utilizing an array of fiber optic sensors |
| 11/18/2004 | WO2004099739A2 Optical detection cell and sensor using one such cell |
| 11/17/2004 | EP1476769A1 Optical fibre sensors mounted on a cable |
| 11/17/2004 | EP1476717A1 Optical displacement sensor |
| 11/16/2004 | CA2197699C An optical fibre sensor element |
| 11/10/2004 | EP1068492B1 Fiber optic acoustic sensor array based on sagnac interferometer |
| 11/03/2004 | EP1472643A1 Arrangement and method for measurement on a resonant oscillator, control thereof and setting of a pixel width |
| 10/28/2004 | WO2004092692A1 Arrangement for the optical distance determination of a reflecting surface |
| 10/28/2004 | WO2004001961A3 Method for sensing acoustic energy |
| 10/26/2004 | US6809991 Method and apparatus for detecting hidden features disposed in an opaque environment |
| 10/26/2004 | US6809249 Self-aligning ultrasonic displacement sensor system, apparatus and method for detecting surface vibrations |
| 10/21/2004 | WO2004090485A2 Method and apparatus for real-time vibration imaging |
| 10/21/2004 | WO2004090484A2 Ultrasonic probing device with distributed sensing elements |
| 10/21/2004 | CA2522083A1 Ultrasonic probing device with distributed sensing elements |
| 10/20/2004 | EP1468258A2 High sensitivity fibre optic vibration sensing device |
| 10/19/2004 | US6807325 Bragg grating device for measuring an acceleration |
| 10/19/2004 | CA2353428C Broadband fiber optic acoustic sensor |
| 10/07/2004 | DE10323336B3 Optical arrangement for determining the distance to a reflecting surface has optical fibers for incident and reflected light, a collimator and multiple focussing elements arranged at a regular predefined distance to each other |
| 10/06/2004 | EP1464204A1 Detection of sound waves produced by a musical instrument |
| 10/06/2004 | EP1097076B1 Method and apparatus for detecting defective track wheels |
| 09/30/2004 | WO2003100363A3 System and method for high-speed laser detection of ultrasound |
| 09/30/2004 | US20040192450 Apparatus and method for applying optical stripes for torsional detection |
| 09/30/2004 | US20040190811 Light powered array |
| 09/28/2004 | US6798524 Phase difference calculation method, device, and system using optical fiber ring interference sensor |
| 09/23/2004 | WO2004032746A3 Systems and methods for minimally-invasive optical-acoustic imaging |
| 09/22/2004 | CN2643296Y Optical Fiber vibration sensor |
| 09/15/2004 | EP1456601A1 Detection of transient phase shifts in any optical wave front with photorefractive crystal and polarized beams |
| 09/07/2004 | US6788417 Optical fiber infrasound sensor |
| 08/31/2004 | US6783494 Ultrasonic probe and ultrasonic diagnosing apparatus using the same |
| 08/24/2004 | US6779402 Method and apparatus for measuring acceleration using a fiber optic accelerometer |
| 08/19/2004 | WO2002065068A8 Self-aligning ultrasonic sensor system, apparatus and method for detecting surface vibrations |
| 08/12/2004 | WO2004068405A2 High contrast optoacoustical imaging using nanoparticles |
| 08/11/2004 | EP1444496A2 Method and apparatus for generating specific frequency response for ultrasound testing |
| 08/11/2004 | CN1520511A Device and method for vibration measurement |
| 08/11/2004 | CN1161590C Laser measurement method of moving attitude of vehicle |
| 08/05/2004 | WO2004065918A2 Method for determination of the stress on blades of a turbine machine during operation and corresponding device for carrying out said method |
| 08/05/2004 | WO2004042425A8 Flextensional vibration sensor |
| 08/05/2004 | US20040150832 Method and apparatus for measuring motion |
| 08/05/2004 | US20040149038 Device for measuring the amplitude of the tip of an oscillating capillary |
| 08/05/2004 | DE10359930A1 Determining method of the demands on rotating blades in a current machine, blades being fixed or arranged on a rotor shaft |
| 07/22/2004 | WO2004061427A1 Measuring method and device for vibration frequency of multi-cantilever |
| 07/20/2004 | US6763723 Fiber-optic vibration sensor based on frequency modulation of light-excited oscillators |
| 07/14/2004 | CN2625862Y Full optical fiber vibration measurement apparatus |
| 07/14/2004 | CN1512150A Device for measuring amplitude of vibrating tubule end |
| 07/08/2004 | WO2004034527A3 Sensor |
| 07/08/2004 | DE19806240B4 Verfahren und Vorrichtung zur flächenhaften Schwingungsanalyse Method and device for the areal vibration analysis |
| 07/08/2004 | DE10357418A1 Capillary tube vibration optical measurement arrangement, for use with a wire bonder used in connecting semiconductor chips, has two aperture plates in a measurement body for defining the diameter of a measurement beam |
| 07/01/2004 | DE10205207B4 Anordnung und Verfahren zur Messung an einem resonanten Schwinger und zu seiner Steuerung Arrangement and method for testing of a resonant oscillator and its control |
| 06/30/2004 | CN2622684Y Novel optical fiber sensor for thin structure viberation measurement |
| 06/24/2004 | WO2004018980A3 Optical waveguide vibration sensor for use in hearing aid |
| 06/23/2004 | EP1431729A1 Apparatus for measuring the amplitude of the oscillation of the tip of a capillary |
| 06/23/2004 | CN1155295C Two-wire circuit equipment |
| 06/17/2004 | WO2004051203A1 Optical hydrophone for a shock-wave field with long service life |
| 06/17/2004 | WO2004034096A3 Rugged fiber optic array |
| 06/17/2004 | DE10335988A1 Optisches Hydrophon zum Messen der Schalldruckverteilung in einem fluiden Medium Optical hydrophone for measuring the sound pressure distribution in a fluid medium |