| 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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| 06/16/2004 | CN1505751A A multi-fiber optic 2D-array device for sensing and localizing environment perturbation using speckle image processing |
| 06/15/2004 | US6750621 Method and system for non-contact sensing of motion of a roller drum |
| 06/15/2004 | CA2309192C Improved array topologies for implementing serial fiber bragg grating interferometer arrays |
| 06/09/2004 | EP1116056A4 Variable coupler fiberoptic sensor and sensing apparatus using the sensor |
| 06/03/2004 | DE10254024A1 Vibrating floor movement analysis device for use in patient postural training has a vibrating floor with markings on it that are monitored by a stationary measurement system in additional to at least one virtual point |
| 06/02/2004 | EP1423987A2 Amplified tree structure technology for fiber optic sensor arrays |
| 06/02/2004 | EP1423986A2 Apparauts and method for processing optical signals from two delay coils to increase the dynamic range of a sagnac-based fiber optic sensor array |
| 05/27/2004 | US20040099799 Fine displacement detection device by sound or the like |
| 05/21/2004 | WO2004042425A1 Flextensional vibration sensor |
| 05/13/2004 | US20040090686 Displacement/quantity of light converter |
| 05/12/2004 | EP0875125B1 Flexible interlink for hydrophone array |
| 05/06/2004 | WO2004038427A1 Method and apparatus for measuring acceleration using a fiber optic accelerometer |
| 05/06/2004 | EP1415164A1 High performance fiber optic accelerometer |
| 05/06/2004 | DE19944452B4 Vorrichtung und Verfahren zum Ermitteln des Ortes der Wechselwirkung einer akustischen Oberflächenwelle Apparatus and method for determining the location of the interaction of a surface acoustic wave |
| 05/06/2004 | CA2501699A1 Method and apparatus for measuring acceleration using a fiber optic accelerometer |
| 05/04/2004 | US6731570 Sound detection |
| 04/27/2004 | US6728165 Acoustic sensing system for downhole seismic applications utilizing an array of fiber optic sensors |
| 04/22/2004 | WO2004034527A2 Sensor |
| 04/22/2004 | WO2004034096A2 Rugged fiber optic array |
| 04/22/2004 | WO2004032746A2 Systems and methods for minimally-invasive optical-acoustic imaging |
| 04/22/2004 | WO2004032722A2 Imaging systems |
| 04/22/2004 | US20040074299 Method and apparatus for measuring acceleration using a fiber optic accelerometer |
| 04/22/2004 | DE10085129T5 Feld mit ausgewählter Blende zur seismischen Überwachung Field with selected aperture seismic monitoring |
| 04/22/2004 | CA2501048A1 Systems and methods for minimally-invasive optical-acoustic imaging |
| 04/22/2004 | CA2498924A1 Rugged fiber optic array |
| 04/21/2004 | EP1409954A1 Detecting internal structures using light generated acoustic imaging |
| 04/21/2004 | CN1490598A Fibre-optical sensor |
| 04/20/2004 | US6724319 Acoustic sensing system for downhole seismic applications utilizing an array of fiber optic sensors |
| 04/15/2004 | WO2003074981A8 Optical fibre sensor assembly |
| 04/15/2004 | US20040071383 Fiber tip based sensor system for acoustic measurements |
| 04/08/2004 | US20040067005 Vibration detector |
| 04/08/2004 | US20040067000 Systems and methods for minimally-invasive optical-acoustic imaging |
| 04/08/2004 | US20040065188 Self-aligning ultrasonic sensor system, apparatus and method for detecting surface vibrations |
| 03/24/2004 | EP1400792A1 Device and method for vibration measurement |
| 03/23/2004 | US6710799 Microscopic motion measuring |
| 03/23/2004 | US6708565 Ultrasonic wafer blade vibration detecting |
| 03/17/2004 | EP1397649A1 Inverse corner cube for non-intrusive three axis vibration measurement |
| 03/10/2004 | EP1395798A1 Device for detecting pressure fluctuations, display device, recording device and sound reproduction system |
| 03/10/2004 | CN1141555C Vibration measurer with optical fibre detector |
| 03/09/2004 | US6704589 Method and device for recording an image of an object surface using focussed radiation |
| 03/04/2004 | WO2004018980A2 Optical waveguide vibration sensor for use in hearing aid |
| 03/02/2004 | US6700666 Ultrasonic vibration detection using frequency matching |
| 03/02/2004 | US6699192 Ultrasonic receiving apparatus and ultrasonic imaging apparatus |
| 02/26/2004 | WO2003074981A3 Optical fibre sensor assembly |
| 02/25/2004 | CN1477379A Laser vibration detestion method and its equipment |
| 02/24/2004 | US6694799 Method and apparatus for detection of particles |
| 02/24/2004 | CA2268104C Method of obtaining improved geophysical information about earth formations |
| 02/19/2004 | US20040033017 Apparatus for a coustic detection of particles in a flow using a fibre optic interferometer |
| 02/17/2004 | US6693848 Apparatus for microchip laser geo-sensors |
| 01/29/2004 | DE19861203B4 Verfahren und Vorrichtun gzur flächenhaften Schwingungsanalyse Procedures and Vorrichtun GTo dimensional vibration analysis |
| 01/21/2004 | CN1135901C Method and apparatus for detecting atmospheric weather conditions |
| 01/13/2004 | US6678211 Amplified tree structure technology for fiber optic sensor arrays |
| 01/08/2004 | WO2004003541A1 Optoacoustic measurement of material properties by a two-point laser-induced generation of ultrasonic waves |
| 01/08/2004 | US20040004106 Amplitude measurement for an ultrasonic horn |
| 01/06/2004 | US6672167 Method and system for processing laser vibrometry data employing bayesian statistical processing techniques |
| 01/02/2004 | EP1373837A1 Multimode fiber optic speckle sensor |
| 12/31/2003 | WO2004001961A2 Method for sensing acoustic energy |
| 12/31/2003 | WO2003081186A3 Vibration sensor having a flextensional body |
| 12/30/2003 | US6671638 Oscillation measuring method and frequency measuring apparatus |
| 12/30/2003 | US6668654 Method and apparatus for generating specific frequency response for ultrasound testing |
| 12/24/2003 | WO2003106940A1 A vibration protection structure for fibre optic sensors or sources |
| 12/24/2003 | CN1463357A Device for detecting pressure fluctuations, display device, recording device and sound reprodn. system |
| 12/23/2003 | US6667935 Apparatus and method for processing optical signals from two delay coils to increase the dynamic range of a sagnac-based fiber optic sensor array |
| 12/17/2003 | EP1371956A1 Displacement/quantity of light converter |
| 12/17/2003 | CN2593521Y 改进的冷光灯结构 Designed to improve the structure of |
| 12/16/2003 | CA2236226C Flexible interlink for hydrophone array |
| 12/16/2003 | CA2214462C Passive acousto-optic modulator |
| 12/11/2003 | WO2003062772A3 High sensitivity fibre optic vibration sensing device |
| 12/10/2003 | CN1460870A All optical fibre interference method and its testing system |
| 12/04/2003 | WO2003100363A2 System and method for high-speed laser detection of ultrasound |
| 12/04/2003 | WO2003016862A3 Method and apparatus for generating specific frequency response for ultrasound testing |
| 12/03/2003 | EP1367855A1 Vibration detector |
| 12/02/2003 | US6657732 Vibrometer system using a two input beam phase conjugate mirror |
| 12/02/2003 | US6655215 Inverse corner cube for non-intrusive three axis vibration measurement |
| 11/27/2003 | US20030218673 Microscopic motion measuring |
| 11/27/2003 | US20030217605 Circumferential strain attenuator |
| 11/20/2003 | WO2003014774A3 Amplified tree structure technology for fiber optic sensor arrays |
| 11/20/2003 | WO2002065068B1 Self-aligning ultrasonic sensor system, apparatus and method for detecting surface vibrations |
| 11/18/2003 | US6650420 Nanoscale vibrometric measurement apparatus and method |
| 11/18/2003 | US6650418 High performance fiber optic accelerometer |
| 11/18/2003 | US6647792 Ultrasonic probe, ultrasonic receiver and ultrasonic diagnostic apparatus |
| 11/12/2003 | EP1360465A2 Multi-mode vibration sensor laser |
| 10/30/2003 | US20030200808 Ultrasonic wafer blade vibration detection |
| 10/22/2003 | CN1125318C Optic fibre resonant method measuring micro vibration |
| 10/16/2003 | US20030193668 Elastic-wave monitoring device and surface-acoustic-wave device |
| 10/09/2003 | WO2003083416A1 Torsional vibration measuring instrument |
| 10/09/2003 | US20030189712 Vibrometer system using a two input beam phase conjugate mirror |
| 10/08/2003 | EP1350081A1 Fiber optic displacement sensor |
| 10/02/2003 | WO2003081186A2 Vibration sensor having a flextensional body |
| 10/02/2003 | US20030184753 Ultrasonic receiving apparatus and ultrasonic receiving method |
| 10/01/2003 | EP1348980A2 Ultrasonic receiving apparatus and ultrasonic receiving method |
| 09/30/2003 | US6628570 Laser velocimetry detection of underwater sound |
| 09/30/2003 | US6628408 Transmitting light from light sources to surfaces, reflecting and detecting the intensity and position, then analyzing and adjusting the signals; bonding composite multilayer webs |
| 09/25/2003 | WO2003079048A1 Modelocked waveform for synthetic aperture ladar |
| 09/25/2003 | US20030181802 Ultrasonic receiving apparatus and ultrasonic imaging apparatus |
| 09/24/2003 | EP1347279A2 Ultrasonic receiving apparatus and ultrasonic imaging apparatus |
| 09/24/2003 | EP1203206B1 Method and device for recording an image of an object surface using focussed radiation |
| 09/24/2003 | EP0910863B1 Amplified sensor arrays |
| 09/12/2003 | WO2003074981A2 Optical fibre sensor assembly |
| 09/09/2003 | US6618523 Unbalanced fiber optic Michelson interferometer as an optical pick-off |