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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11/21/2002 | US20020171822 Thin optical microphone/sensor |
11/20/2002 | EP1258714A2 Optical converting type ultrasonic receiving apparatus |
11/14/2002 | WO2002091000A1 Shear damped fiber optic sensor |
11/14/2002 | WO2002065068A3 Self-aligning ultrasonic sensor system, apparatus and method for detecting surface vibrations |
11/14/2002 | US20020167676 Method and apparatus for probing objects in motion |
11/14/2002 | US20020166955 Optical converting type ultrasonic receiving apparatus |
11/07/2002 | US20020163644 Shear damped fiber optic sensor |
11/05/2002 | US6476541 Optically controlled ultrasonic sensor |
10/31/2002 | WO2002086539A2 Method and apparatus for probing objects in motion |
10/31/2002 | US20020159071 Method for producing time marks at any points on moving components |
10/29/2002 | US6473183 Shear damped fiber optic sensor |
10/29/2002 | US6470753 Vibration measuring apparatus and method |
10/29/2002 | US6470752 Ultrasonic detection method and apparatus and ultrasonic diagnostic apparatus |
10/24/2002 | US20020153805 Optically controlled ultrasonic sensor and method of manufacture |
10/15/2002 | US6466706 Pulsed system and method for fiber optic sensor |
10/10/2002 | DE10112458C1 Testing of acoustic wave source propagating in liquid medium involves detecting change in intensity of transmitted light passed through liquid medium perpendicular to propagation direction |
10/08/2002 | US6463187 Variable coupler fiberoptic sensor and sensing apparatus using the sensor |
10/08/2002 | US6462808 Small optical microphone/sensor |
10/03/2002 | WO2002077575A1 A multi-fiber optic 2d-array device for sensing and localizing environment perturbation using speckle image processing |
10/03/2002 | US20020139919 Multi-fiber optic 2D-array device for sensing and localizing environment perturbation using speckle image processing |
10/01/2002 | US6459486 Single fiber Sagnac sensing system |
09/26/2002 | WO2002075261A2 Method for monitoring the oscillatory characteristics of a microfabricated resonant mass sensor |
09/24/2002 | US6456381 Apparatus for and method of using optical interference of light propagating through an optical fiber loop |
09/19/2002 | DE10206146A1 Vibrationsnachweissystem eines elastischen Körpers und Vibrationskontakt-Nachweissonde Vibration detection system of an elastic body vibration and contact-detection probe |
08/29/2002 | WO2002066939A1 Displacement/quantity of light converter |
08/22/2002 | WO2002065812A1 Vibration detector |
08/22/2002 | WO2002065068A2 Self-aligning ultrasonic sensor system, apparatus and method for detecting surface vibrations |
08/15/2002 | WO2002063237A2 Interferometer |
08/15/2002 | US20020108446 Vibration detecting system of resilient body and vibrating contact detection probe |
08/14/2002 | CN1363823A Vibration measurer with optical fibre detector |
08/08/2002 | US20020105651 Dynamic holographic velocimeter for the measurement of vibrations |
08/07/2002 | EP1228349A2 Fiber optic seismic sensor |
08/07/2002 | EP1228348A2 Optical method for the transmission of signals from remote arrays of electrical sensors |
07/31/2002 | EP0856149B1 Passive sensor for monitoring vibration of a combustion turbine blade |
07/25/2002 | US20020097636 Folded sagnac sensor array |
07/23/2002 | US6422077 Ultrananocrystalline diamond cantilever wide dynamic range acceleration/vibration/pressure sensor |
07/18/2002 | WO2002055970A1 Fiber optic displacement sensor |
07/18/2002 | US20020093881 Digital vibration transducer |
07/11/2002 | WO2002054026A2 Multi-mode vibration sensor laser |
07/10/2002 | EP0776465B1 Laser vibrometer |
07/09/2002 | US6418547 Internal guardband for semiconductor testing |
07/09/2002 | US6416020 Method and apparatus for detecting defective track wheels |
07/03/2002 | EP1218734A1 An optical interferometer sensor array |
06/26/2002 | CN1086808C State monitoring method for rotary machines based on twisting vibration |
06/12/2002 | EP1212832A1 Device and method for high-sensitivity resolution detection |
06/11/2002 | US6401540 Method and apparatus for detecting internal structures of bulk objects using acoustic imaging |
06/06/2002 | WO2002044658A1 Circumferential strain attenuator |
06/06/2002 | US20020067885 Unbalanced fiber optic michelson interferometer as an optical pick-off |
05/30/2002 | US20020064330 Circumferential strain attenuator |
05/29/2002 | DE10057922A1 Measurement and visualization of sound wave pressure fields using laser Doppler interferometers and scanning arrangements so that a wide range of sound frequencies and intensities can be visualized |
05/23/2002 | WO2001096821A3 Microchip laser vibration sensor |
05/16/2002 | WO2002039068A1 Multi-parameter interferometric fiber optic sensor |
05/16/2002 | WO2002039053A1 Fine displacement detection device by sound or the like |
05/15/2002 | EP1173785A4 Sensor array cable and fabrication method |
05/14/2002 | US6388739 Self-referencing microdoppler ladar receiver and associated detection method |
05/14/2002 | US6387214 Detecting vibration of rotating roll; measuring compression sensitivity |
05/14/2002 | US6386042 Method and apparatus for two-dimensional vibration analysis |
05/10/2002 | WO2002001912A3 Optical microphone/sensor |
05/10/2002 | WO2001035062A3 Optical method for the transmission of signals from remote arrays of electrical sensors |
05/09/2002 | US20020054716 Electronic level |
05/08/2002 | EP1203206A1 Method and device for recording an image of an object surface using focussed radiation |
05/07/2002 | US6384919 Fiber optic seismic sensor |
05/02/2002 | WO2002035194A1 Digital vibration transducer |
05/02/2002 | CA2426307A1 Digital vibration transducer |
04/24/2002 | EP0776464B1 Method for determining resonance information |
04/23/2002 | US6378089 Internal guardband for semiconductor testing |
04/18/2002 | US20020043109 System and method for laser ultrasonic bond integrity evaluation |
04/02/2002 | US6365891 Optical sensor array having multiple rungs between distribution and return buses and having amplifiers in the buses to equalize return signals |
03/27/2002 | EP1190262A1 Bragg grating device for measuring an acceleration |
03/26/2002 | US6363034 Methods and apparatus for phase angle demodulation |
03/21/2002 | WO2002023169A1 Apparatus for acoustic detection of particles in a flow using a fibre optic interferometer |
03/12/2002 | US6356846 System and method of reducing motion-induced noise in the optical detection of an ultrasound signal in a moving body of material |
02/28/2002 | US20020026610 Internal guardband for semiconductor testing |
02/28/2002 | US20020024331 Method of investigating vibrations and an apparatus therefor |
02/26/2002 | US6349791 Submarine bow dome acoustic sensor assembly |
02/14/2002 | US20020017141 Ultrasonic detection method and apparatus and ultrasonic diagnostic apparatus |
02/12/2002 | US6346985 Optical method for the transduction of remote arrays of electromechanical sensors |
02/06/2002 | EP1177412A1 Large scale wdm/tdm sensor array employing erbium-doped fiber amplifiers |
01/31/2002 | US20020012115 Small optical microphone/sensor |
01/30/2002 | EP1176406A2 Broadband fiber optic acoustic sensor |
01/24/2002 | US20020009103 Dynamic change detecting method, dynamic change detecting apparatus and ultrasonic diagnostic apparatus |
01/23/2002 | EP1173785A1 Sensor array cable and fabrication method |
01/10/2002 | WO2001040742A3 Fiber optic seismic sensor |
01/03/2002 | WO2002001912A2 Optical microphone/sensor |
01/02/2002 | EP1168884A1 Optical microphone sensor |
01/02/2002 | EP1166128A1 Fiber-optic vibration sensor based on frequency modulation of light-excited oscillators |
01/02/2002 | EP1012536A4 Apparatus and method for measuring and imaging traveling waves |
12/27/2001 | US20010055438 Fiber optic displacement sensor |
12/20/2001 | WO2001096821A2 Microchip laser vibration sensor |
12/20/2001 | CA2414058A1 Microchip laser vibration sensor |
12/12/2001 | EP0963540A4 System and method for laser ultrasonic bond integrity evaluation |
12/05/2001 | CN1325027A Dynamic-changeable detection method, dynamic changeable detection device and supersonic diagnosis device |
11/29/2001 | US20010046052 Dynamic change detecting method, dynamic change detecting apparatus and ultrasonic diagnostic apparatus |
11/28/2001 | EP1158283A1 Dynamic change detecting method, dynamic change detecting apparatus and ultrasonic diagnostic apparatus |
11/28/2001 | CN1323715A Laser measurement method of moving attitude of vehicle |
11/28/2001 | CN1323570A Method for producing image device, and ultrasonic diagnosis equipment using said method |
11/22/2001 | US20010044582 Method of generating image data and ultrasonic diagnostic apparatus using the same |
11/22/2001 | US20010043378 Echo-cancelling optical microphone |
11/22/2001 | US20010042410 Ultrasonic probe, ultrasonic receiver and ultrasonic diagnostic apparatus |
11/21/2001 | EP1156345A2 Method of generating image data and ultrasonic diagnostic apparatus using the same |