Patents
Patents for G01H 9 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means (3,383)
11/2002
11/21/2002US20020171822 Thin optical microphone/sensor
11/20/2002EP1258714A2 Optical converting type ultrasonic receiving apparatus
11/14/2002WO2002091000A1 Shear damped fiber optic sensor
11/14/2002WO2002065068A3 Self-aligning ultrasonic sensor system, apparatus and method for detecting surface vibrations
11/14/2002US20020167676 Method and apparatus for probing objects in motion
11/14/2002US20020166955 Optical converting type ultrasonic receiving apparatus
11/07/2002US20020163644 Shear damped fiber optic sensor
11/05/2002US6476541 Optically controlled ultrasonic sensor
10/2002
10/31/2002WO2002086539A2 Method and apparatus for probing objects in motion
10/31/2002US20020159071 Method for producing time marks at any points on moving components
10/29/2002US6473183 Shear damped fiber optic sensor
10/29/2002US6470753 Vibration measuring apparatus and method
10/29/2002US6470752 Ultrasonic detection method and apparatus and ultrasonic diagnostic apparatus
10/24/2002US20020153805 Optically controlled ultrasonic sensor and method of manufacture
10/15/2002US6466706 Pulsed system and method for fiber optic sensor
10/10/2002DE10112458C1 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
10/08/2002US6463187 Variable coupler fiberoptic sensor and sensing apparatus using the sensor
10/08/2002US6462808 Small optical microphone/sensor
10/03/2002WO2002077575A1 A multi-fiber optic 2d-array device for sensing and localizing environment perturbation using speckle image processing
10/03/2002US20020139919 Multi-fiber optic 2D-array device for sensing and localizing environment perturbation using speckle image processing
10/01/2002US6459486 Single fiber Sagnac sensing system
09/2002
09/26/2002WO2002075261A2 Method for monitoring the oscillatory characteristics of a microfabricated resonant mass sensor
09/24/2002US6456381 Apparatus for and method of using optical interference of light propagating through an optical fiber loop
09/19/2002DE10206146A1 Vibrationsnachweissystem eines elastischen Körpers und Vibrationskontakt-Nachweissonde Vibration detection system of an elastic body vibration and contact-detection probe
08/2002
08/29/2002WO2002066939A1 Displacement/quantity of light converter
08/22/2002WO2002065812A1 Vibration detector
08/22/2002WO2002065068A2 Self-aligning ultrasonic sensor system, apparatus and method for detecting surface vibrations
08/15/2002WO2002063237A2 Interferometer
08/15/2002US20020108446 Vibration detecting system of resilient body and vibrating contact detection probe
08/14/2002CN1363823A Vibration measurer with optical fibre detector
08/08/2002US20020105651 Dynamic holographic velocimeter for the measurement of vibrations
08/07/2002EP1228349A2 Fiber optic seismic sensor
08/07/2002EP1228348A2 Optical method for the transmission of signals from remote arrays of electrical sensors
07/2002
07/31/2002EP0856149B1 Passive sensor for monitoring vibration of a combustion turbine blade
07/25/2002US20020097636 Folded sagnac sensor array
07/23/2002US6422077 Ultrananocrystalline diamond cantilever wide dynamic range acceleration/vibration/pressure sensor
07/18/2002WO2002055970A1 Fiber optic displacement sensor
07/18/2002US20020093881 Digital vibration transducer
07/11/2002WO2002054026A2 Multi-mode vibration sensor laser
07/10/2002EP0776465B1 Laser vibrometer
07/09/2002US6418547 Internal guardband for semiconductor testing
07/09/2002US6416020 Method and apparatus for detecting defective track wheels
07/03/2002EP1218734A1 An optical interferometer sensor array
06/2002
06/26/2002CN1086808C State monitoring method for rotary machines based on twisting vibration
06/12/2002EP1212832A1 Device and method for high-sensitivity resolution detection
06/11/2002US6401540 Method and apparatus for detecting internal structures of bulk objects using acoustic imaging
06/06/2002WO2002044658A1 Circumferential strain attenuator
06/06/2002US20020067885 Unbalanced fiber optic michelson interferometer as an optical pick-off
05/2002
05/30/2002US20020064330 Circumferential strain attenuator
05/29/2002DE10057922A1 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
05/23/2002WO2001096821A3 Microchip laser vibration sensor
05/16/2002WO2002039068A1 Multi-parameter interferometric fiber optic sensor
05/16/2002WO2002039053A1 Fine displacement detection device by sound or the like
05/15/2002EP1173785A4 Sensor array cable and fabrication method
05/14/2002US6388739 Self-referencing microdoppler ladar receiver and associated detection method
05/14/2002US6387214 Detecting vibration of rotating roll; measuring compression sensitivity
05/14/2002US6386042 Method and apparatus for two-dimensional vibration analysis
05/10/2002WO2002001912A3 Optical microphone/sensor
05/10/2002WO2001035062A3 Optical method for the transmission of signals from remote arrays of electrical sensors
05/09/2002US20020054716 Electronic level
05/08/2002EP1203206A1 Method and device for recording an image of an object surface using focussed radiation
05/07/2002US6384919 Fiber optic seismic sensor
05/02/2002WO2002035194A1 Digital vibration transducer
05/02/2002CA2426307A1 Digital vibration transducer
04/2002
04/24/2002EP0776464B1 Method for determining resonance information
04/23/2002US6378089 Internal guardband for semiconductor testing
04/18/2002US20020043109 System and method for laser ultrasonic bond integrity evaluation
04/02/2002US6365891 Optical sensor array having multiple rungs between distribution and return buses and having amplifiers in the buses to equalize return signals
03/2002
03/27/2002EP1190262A1 Bragg grating device for measuring an acceleration
03/26/2002US6363034 Methods and apparatus for phase angle demodulation
03/21/2002WO2002023169A1 Apparatus for acoustic detection of particles in a flow using a fibre optic interferometer
03/12/2002US6356846 System and method of reducing motion-induced noise in the optical detection of an ultrasound signal in a moving body of material
02/2002
02/28/2002US20020026610 Internal guardband for semiconductor testing
02/28/2002US20020024331 Method of investigating vibrations and an apparatus therefor
02/26/2002US6349791 Submarine bow dome acoustic sensor assembly
02/14/2002US20020017141 Ultrasonic detection method and apparatus and ultrasonic diagnostic apparatus
02/12/2002US6346985 Optical method for the transduction of remote arrays of electromechanical sensors
02/06/2002EP1177412A1 Large scale wdm/tdm sensor array employing erbium-doped fiber amplifiers
01/2002
01/31/2002US20020012115 Small optical microphone/sensor
01/30/2002EP1176406A2 Broadband fiber optic acoustic sensor
01/24/2002US20020009103 Dynamic change detecting method, dynamic change detecting apparatus and ultrasonic diagnostic apparatus
01/23/2002EP1173785A1 Sensor array cable and fabrication method
01/10/2002WO2001040742A3 Fiber optic seismic sensor
01/03/2002WO2002001912A2 Optical microphone/sensor
01/02/2002EP1168884A1 Optical microphone sensor
01/02/2002EP1166128A1 Fiber-optic vibration sensor based on frequency modulation of light-excited oscillators
01/02/2002EP1012536A4 Apparatus and method for measuring and imaging traveling waves
12/2001
12/27/2001US20010055438 Fiber optic displacement sensor
12/20/2001WO2001096821A2 Microchip laser vibration sensor
12/20/2001CA2414058A1 Microchip laser vibration sensor
12/12/2001EP0963540A4 System and method for laser ultrasonic bond integrity evaluation
12/05/2001CN1325027A Dynamic-changeable detection method, dynamic changeable detection device and supersonic diagnosis device
11/2001
11/29/2001US20010046052 Dynamic change detecting method, dynamic change detecting apparatus and ultrasonic diagnostic apparatus
11/28/2001EP1158283A1 Dynamic change detecting method, dynamic change detecting apparatus and ultrasonic diagnostic apparatus
11/28/2001CN1323715A Laser measurement method of moving attitude of vehicle
11/28/2001CN1323570A Method for producing image device, and ultrasonic diagnosis equipment using said method
11/22/2001US20010044582 Method of generating image data and ultrasonic diagnostic apparatus using the same
11/22/2001US20010043378 Echo-cancelling optical microphone
11/22/2001US20010042410 Ultrasonic probe, ultrasonic receiver and ultrasonic diagnostic apparatus
11/21/2001EP1156345A2 Method of generating image data and ultrasonic diagnostic apparatus using the same
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