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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09/09/2003 | US6618124 Optical microphone/sensor |
09/04/2003 | WO2003073042A1 Nanoscale vibrometric measurement apparatus and method |
09/03/2003 | EP1340582A1 Process and apparatus for the measure of the amplitude of a free oscillating capillary of a wire bonder |
09/03/2003 | EP1340051A1 Circumferential strain attenuator |
09/02/2003 | US6613601 Ultrananocrystalline diamond cantilever wide dynamic range acceleration/vibration/pressure sensor |
08/28/2003 | WO2003071309A1 Optical fibre sensors mounted on a cable |
08/28/2003 | WO2003014674A3 Two delay coil sagnac-based sensor array |
08/28/2003 | US20030160967 Nanoscale vibrometric measurement apparatus and method |
08/28/2003 | US20030159498 Method and apparatus for detection of particles |
08/26/2003 | US6611633 Coated fiber pressure sensors utilizing pressure release coating material |
08/26/2003 | US6609425 Ultrasonic probe and ultrasonic diagnosis apparatus using the same |
08/21/2003 | WO2003069278A1 Optical displacement sensor |
08/21/2003 | CA2513203A1 Optical displacement sensor |
08/20/2003 | CN1118691C Organic scotopic mechanical vibration/acceleration sensing structure and its preparing method |
08/14/2003 | WO2003067509A1 Arrangement and method for measurement on a resonant oscillator, control thereof and setting of a pixel width |
08/07/2003 | US20030149553 Characterizing, synthesizing, and/or canceling out acoustic signals from sound sources |
08/06/2003 | EP1333245A1 Fine displacement detection device by sound or the like |
08/06/2003 | EP1332356A1 Apparatus for acoustic detection of particles in a flow using a fibre optic interferometer |
08/06/2003 | EP1332337A1 Multi-parameter interferometric fiber optic sensor |
07/31/2003 | WO2003062772A2 High sensitivity fibre optic vibration sensing device |
07/29/2003 | US6598478 Micro-doppler microscope |
07/17/2003 | WO2003059009A1 Detection of sound waves produced by a musical instrument |
07/15/2003 | US6594290 Dynamic change detecting method, dynamic change detecting apparatus and ultrasonic diagnostic apparatus |
07/15/2003 | US6593749 Wafer level method for probing micromechanical devices |
07/10/2003 | US20030128366 Imaging systems |
07/10/2003 | DE10204043C1 Mechanical oscillation signal detection and evaluation device has respective signal evaluation method assigned to each detected measuring point |
07/09/2003 | EP1040726A4 Method of detecting atmospheric weather conditions |
07/08/2003 | US6591025 Optical sensing system |
07/08/2003 | US6590661 Optical methods for selectively sensing remote vocal sound waves |
07/08/2003 | US6590194 Multi-fiber optic 2D-array device for sensing and localizing environment perturbation using speckle image processing |
07/01/2003 | US6587207 Method for producing time marks at any points on moving components |
06/18/2003 | EP1015854B1 Hydrophone with compensation for statical pressure and method for pressure wave measurement |
06/10/2003 | US6578165 Internal guardband for semiconductor testing |
06/05/2003 | WO2003046475A1 Detection of transient phase shifts in any optical wave front with photorefractive crystal and polarized beams |
06/04/2003 | CN1110692C Semiconductor laser measurer of shock |
05/22/2003 | US20030094567 Opto-electric pick-up for string instruments |
05/15/2003 | US20030089174 Micro-doppler microscope |
05/14/2003 | EP1310801A1 Seismic fiber laser sensor |
05/13/2003 | US6563967 Fiber optic displacement sensor |
04/24/2003 | US20030075677 Multi-mode vibration sensor laser |
04/22/2003 | US6550342 Circumferential strain attenuator |
04/17/2003 | WO2002054026A3 Multi-mode vibration sensor laser |
04/17/2003 | US20030074145 Laser doppler vibrometer for remote assessment of structural components |
04/17/2003 | US20030072219 Laser velocimetry detection of underwater sound |
04/15/2003 | US6549488 Fiber-optic hydrophone |
04/10/2003 | WO2002086539A3 Method and apparatus for probing objects in motion |
04/08/2003 | US6545762 Method of investigating vibrations and an apparatus therefor |
04/08/2003 | CA2270095C Apparatus for and method of using optical interference of light propagating through an optical fiber loop |
04/01/2003 | US6542857 System and method for characterizing synthesizing and/or canceling out acoustic signals from inanimate sound sources |
04/01/2003 | US6542245 Dynamic change detecting method, dynamic change detecting apparatus and ultrasonic diagnostic apparatus |
03/27/2003 | US20030060708 Ultrasonic probe and ultrasonic diagnosing apparatus using the same |
03/19/2003 | EP1084590A4 Folded sagnac sensor array |
03/18/2003 | US6535828 Method and apparatus for visualizing elastic wave propagation in a solid substance |
03/13/2003 | US20030048082 Method and system for non-contact sensing of motion of a roller drum |
03/12/2003 | CN1401992A Method and apparatus for measuring sound field distribution image using sonic chemiluminescence imaging |
03/06/2003 | US20030043697 Apparatus and method for processing optical signals from two delay coils to increase the dynamic range of a sagnac-based fiber optic sensor array |
03/06/2003 | US20030043696 Amplified tree structure technology for fiber optic sensor arrays |
03/04/2003 | US6529444 Folded sagnac sensor array |
02/27/2003 | WO2003016862A2 Method and apparatus for generating specific frequency response for ultrasound testing |
02/27/2003 | US20030038946 Phase difference calculation method, device, and system using optical fiber ring interference sensor |
02/27/2003 | US20030037616 Method for vibration measurement and interferometer |
02/20/2003 | WO2003014774A2 Amplified tree structure technology for fiber optic sensor arrays |
02/20/2003 | WO2003014674A2 Two delay coil sagnac-based sensor array |
02/20/2003 | US20030035344 Fiber-optic hydrophone |
02/20/2003 | US20030035343 Optical microphone/sensor |
02/20/2003 | US20030033882 Method and apparatus for generating specific frequency response for ultrasound testing |
02/18/2003 | US6522797 Seismic optical acoustic recursive sensor system |
02/13/2003 | WO2003012458A1 High performance fiber optic accelerometer |
02/04/2003 | US6515939 Pulse sampled optical fiber hydrophone array (U) |
01/30/2003 | US20030020919 High performance fiber optic accelerometer |
01/28/2003 | US6512859 Level comprising vibration detecting means, wherein number of captured image signals by computing processing section is varied to increase or decrease depending on magnitude of compensator mirror amplitude of vibrations detected |
01/23/2003 | US20030016898 Variable coupler fiberoptic sensor and sensing apparatus using the sensor |
01/16/2003 | US20030014199 System and methods for detecting fault in structure |
01/16/2003 | US20030010128 Method and system for processing laser vibrometry data employing bayesian statistical processing techniques |
01/09/2003 | WO2003002956A1 Device and method for vibration measurement |
01/09/2003 | US20030007656 Device for detecting pressure fluctuations, display device, recording device and sound reproduction system |
01/09/2003 | US20030005816 Self-aligning ultrasonic displacement sensor system, apparatus and method for detecting surface vibrations |
01/07/2003 | US6505130 Laser doppler vibrometer for remote assessment of structural components |
01/02/2003 | US20030002769 Quenching laser noise in a multimode fiber sensor system |
12/27/2002 | WO2002103305A1 Inverse corner cube for non-intrusive three axis vibration measurement |
12/27/2002 | WO2001077694A9 Ultrananocrystalline diamond cantilever wide dynamic range acceleration/vibration/pressure sensor |
12/27/2002 | CA2450874A1 Inverse corner cube for non-intrusive three axis vibration measurement |
12/26/2002 | US20020198690 System and method for characterizing, synthesizing, and/or canceling out acoustic signals from inanimate sound sources |
12/26/2002 | US20020196447 Apparatus for and method of using optical interference of light propagating through an optical fiber loop |
12/24/2002 | US6498853 Echo-cancelling optical microphone |
12/19/2002 | US20020189361 Inverse corner cube for non-intrusive three axis vibration measurement |
12/18/2002 | EP1266186A1 Method for vibration measurement and interferometer |
12/17/2002 | US6496264 Fiber optic acoustic sensor with specifically selected flexural disks |
12/17/2002 | US6494836 Method of generating image data and ultrasonic diagnostic apparatus using the same |
12/12/2002 | WO2002099412A1 Optical ultrasonic measurement |
12/12/2002 | WO2002075261A3 Method for monitoring the oscillatory characteristics of a microfabricated resonant mass sensor |
12/12/2002 | US20020186380 System and method for high-speed laser detection of ultrasound |
12/05/2002 | US20020180452 Wafer level method for probing micromechanical devices |
12/04/2002 | CN1095536C Instrument for measuring shift and vibration of object by polarized light interfrence of optical fibre |
12/03/2002 | US6490047 System and method for laser ultrasonic bond integrity evaluation |
11/28/2002 | WO2002095342A1 Device for detecting pressure fluctuations, display device, recording device and sound reproduction system |
11/27/2002 | EP1260116A1 Folded sagnac sensor array |
11/26/2002 | US6486962 Method and apparatus for assessing material properties of sheet-like materials |
11/26/2002 | US6486959 Dynamic holographic velocimeter for the measurement of vibrations |
11/21/2002 | WO2002063237A3 Interferometer |