| Patents for G01H 3 - Measuring vibrations by using a detector in a fluid (2,243) |
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| 11/06/2001 | US6311557 Magnetically tunable resonance frequency beam utilizing a stress-sensitive film |
| 10/17/2001 | EP1145262A1 Vibro-acoustic signature treatment process in high-voltage electromechanical switching system |
| 10/04/2001 | EP1137915A2 System and method for characterizing, synthesizing, and/or canceling out acoustic signals from inanimate sound sources |
| 10/02/2001 | US6297467 Transducer built into an electrode |
| 09/12/2001 | EP0815420B1 Vibration monitoring system |
| 08/23/2001 | US20010016044 Acoustic wave sensor for detecting contact state between a valve and a valve seat for a vehicle |
| 08/21/2001 | US6278958 Method for predicting a noise intensity emitted from a fan and or a pump |
| 08/21/2001 | CA2180704C Ultrasonic transducer |
| 08/16/2001 | EP1076512A4 A method for carrying out a medical procedure using a three-dimensional tracking and imaging system |
| 08/14/2001 | US6275591 Method and apparatus for extracting a component signal from a composite signal |
| 08/09/2001 | WO2001057825A1 Real-time data acquisition system |
| 07/24/2001 | US6263736 Electrostatically tunable resonance frequency beam utilizing a stress-sensitive film |
| 06/27/2001 | EP1110066A1 Seismic optical acoustic recursive sensor system |
| 06/19/2001 | US6247353 Digital ultrasonic monitoring system and method |
| 06/12/2001 | US6246898 Method for carrying out a medical procedure using a three-dimensional tracking and imaging system |
| 06/12/2001 | US6246322 Impulse characteristic responsive missing object locator operable in noisy environments |
| 06/05/2001 | US6243671 Device and method for analysis and filtration of sound |
| 05/23/2001 | EP1101179A1 Method in noise management and noise control planning |
| 05/22/2001 | US6234021 Enhanced detection of vibration |
| 05/10/2001 | DE19947683A1 Schalldruck-Kalibrator Sound Pressure Calibrator |
| 05/09/2001 | EP1097362A1 Abnormalities detection with acoustic monitor |
| 05/08/2001 | US6227054 Vibration wave detecting method and vibration wave detector |
| 04/26/2001 | WO2000062088A3 Acoustic lens-based swimmer's sonar |
| 04/26/2001 | DE19948194A1 Verfahren zur Überwachung von Windenergieanlagen Method for monitoring of wind turbines |
| 04/19/2001 | DE19949637A1 Noise detection and separation arrangement, having neural network which forms classification signal giving indication of type of acoustic signal |
| 04/18/2001 | EP1092964A2 Method and apparatus for noise-recognition and -separation as well as noise monitoring and prediction |
| 04/18/2001 | EP1092138A2 Signal processing system for energy transfer arrangement under test |
| 04/18/2001 | EP1092137A1 Noise testing system with temperature responsive sensitivity |
| 04/18/2001 | EP0769135B1 Acoustic pressure gradient sensor |
| 04/12/2001 | WO2001025735A1 Acoustic pressure calibrator |
| 04/12/2001 | WO2001025631A1 Method for monitoring wind power plants |
| 04/10/2001 | US6215408 Vibro-acoustic signature treatment process in high-voltage electromechanical switching system |
| 03/29/2001 | WO2001004589A8 Method for predicting the comfort efficiency of a vehicle equipped with a system linking it to the ground |
| 03/28/2001 | EP1087214A2 Method and system to detect unwanted noise |
| 03/27/2001 | US6208584 Place calibration of sonar receive array |
| 03/22/2001 | WO2001020276A1 Acoustic sensors using microstructures tunable with energy other than acoustic energy |
| 03/21/2001 | EP1085306A2 In place calibration of sonar receive array |
| 03/15/2001 | WO2001018552A1 Volume accelerometer |
| 03/15/2001 | CA2319633A1 In place calibration of sonar receive array |
| 02/22/2001 | DE19939547A1 Device for determining position-resolved sound power at surface of stimulable object suitable for generating acoustic oscillations has sound pressure signal measurement probe |
| 02/21/2001 | EP1076512A1 A method for carrying out a medical procedure using a three-dimensional tracking and imaging system |
| 02/20/2001 | US6189366 Method for evaluating transducer horn assembly used in debubbling by comparing frequency dependent impedance to model |
| 02/15/2001 | DE19938319A1 Method and circuit for controlling RPMs in an electric motor driving a ventilating fan in a gaseous hot spa has a power input for an electrical energy source and a signal input for a sensor to detect noise, vibration or its mechanical load. |
| 02/13/2001 | US6188770 Fan noise canceller |
| 02/08/2001 | WO2001009577A1 Method and device for recording an image of an object surface using focussed radiation |
| 02/07/2001 | EP1074310A2 Wing type ultrasonic transducer |
| 01/31/2001 | EP0975261A4 Ultrasound-based 3-d tracking system using a digital signal processor |
| 01/18/2001 | WO2001004589A1 Method for predicting the comfort efficiency of a vehicle equipped with a system linking it to the ground |
| 01/18/2001 | WO2001003840A1 A system for monitoring mechanical waves from a moving machine |
| 01/11/2001 | DE19926164A1 Verfahren und Vorrichtung zum Überwachen eines Fahrzeugs und/oder zum Überwachen eines Fahrwegs während des betriebsmäßigen Fahrens des Fahrzeugs Method and apparatus for monitoring a vehicle and / or for monitoring a traveling path during the operational running of the vehicle |
| 01/10/2001 | EP1067514A1 System for automatic speech recognition |
| 01/10/2001 | EP1067513A1 System for automatic speech recognition |
| 01/09/2001 | US6173074 Acoustic signature recognition and identification |
| 01/09/2001 | US6172940 Two geophone underwater acoustic intensity probe |
| 01/09/2001 | US6170333 Apparatus for detecting abnormal sound and method for judging wrong in machine |
| 01/09/2001 | US6170326 Signal processing system for energy transfer arrangement under test |
| 01/04/2001 | WO2001001088A1 Measurement of propagating acoustic waves in compliant pipes |
| 12/28/2000 | WO2000079425A1 Correlation analysis in the phase domain |
| 12/28/2000 | WO2000079424A1 Correlation analysis in the phase domain |
| 12/28/2000 | CA2375401A1 Correlation analysis in the phase domain |
| 12/21/2000 | WO2000076828A1 Method and device for monitoring a vehicle and/or for monitoring a path of travel while the vehicle is being driven during operation |
| 12/21/2000 | DE10019080A1 Procedure for determination of an acceptability parameter or acoustic index for the level of noise generated by domestic appliances by division of the number of people finding a noise level acceptable by the total people asked |
| 12/19/2000 | US6163504 Signal detector and methodology for monitoring sound signals having frequencies over a selected frequency range |
| 12/19/2000 | US6163267 Device for measuring noise |
| 12/19/2000 | US6161418 Apparatus for testing transducer horn assembly debubbling devices |
| 12/13/2000 | EP1058842A1 Method and device for the quality control of a work piece |
| 12/12/2000 | US6160255 Laser-based photoacoustic sensor and method for trace detection and differentiantion of atmospheric NO and NO2 |
| 12/12/2000 | CA2173719C Method and device for measuring ultrasonic activity in an ultrasound delivery system |
| 12/07/2000 | DE19923087A1 Vorrichtung zur Druck-, Schall- und Vibrationsmessung, sowie Verfahren zur Strömungsanalyse an Bauteiloberflächen Device for measuring pressure, sound and vibration measurement and methods for flow analysis on component surfaces |
| 12/05/2000 | US6155121 V-belt noise tester and testing method |
| 11/30/2000 | WO2000071984A1 Device for measuring pressure, sound and vibration and method for analyzing flow on surfaces of structural parts |
| 11/30/2000 | DE19924369A1 Testing leak tightness of sensor containing oscillating component by forming quotient of deflection amplitudes, gradient of phase curve or rise time of sensor output signal |
| 11/23/2000 | WO2000033037A3 System and method for characterizing, synthesizing, and/or canceling out acoustic signals from inanimate sound sources |
| 11/16/2000 | WO2000068654A1 Laser doppler vibrometer for remote assessment of structural components |
| 11/16/2000 | CA2373679A1 Laser doppler vibrometer for remote assessment of structural components |
| 11/02/2000 | WO2000000805A9 Signal processing system for energy transfer arrangement under test |
| 10/25/2000 | EP1046452A2 Transducer built into an electrode |
| 10/19/2000 | WO2000062088A2 Acoustic lens-based swimmer's sonar |
| 10/17/2000 | US6132005 Detecting seam boundary using pick sound |
| 10/05/2000 | DE19913665A1 Processing workpiece involves measuring sound generated during processing in region of tool-workpiece interaction; desired sound level against time is compared with actual sound level |
| 09/26/2000 | US6125187 Howling eliminating apparatus |
| 09/14/2000 | DE19910329A1 External noise structure of vehicle determining by recording value characterizing respective loudspeaker characteristic is recorded and putting loudspeakers into operation in sequence |
| 09/06/2000 | EP1032891A2 Method and device for detecting and making signal shapes coincidental, said shapes being convertible into monotone and constant trajectories in a section by section manner |
| 09/05/2000 | US6112572 Method for testing transducer horn assembly used in debubbling by monitoring operating frequency via impedance trace |
| 08/30/2000 | CN2394209Y Large range ultrasonic power tester |
| 08/29/2000 | US6109092 Method for testing transducer horn Assembly used in debubbling by monitoring operating frequency |
| 08/22/2000 | US6105444 Noise tester for an indoor unit of an air conditioner |
| 08/22/2000 | US6105443 Dummy sound absorber representing a seated human for measuring sound absorption power of a theater chair |
| 08/22/2000 | US6105205 Power working machine |
| 08/17/2000 | WO2000048160A1 Device for studying the sound emission of musical wind instruments |
| 08/15/2000 | US6101881 Non-contact locked terminal tester |
| 08/08/2000 | US6098463 Method and apparatus for measurement of wide dynamic range signals |
| 07/27/2000 | WO2000044011A1 Vibro-acoustic signature treatment process in high-voltage electromechanical switching system |
| 07/27/2000 | WO2000043746A1 Apparatus and method for inspection of pipes and tubes using guided wave probe |
| 07/26/2000 | EP0879426B1 Three-dimensional digital ultrasound tracking system |
| 07/25/2000 | US6094150 System and method of measuring noise of mobile body using a plurality microphones |
| 07/22/2000 | CA2258223A1 Vibroacoustic signature handling process in a high voltage electromechanical switching system |
| 07/11/2000 | US6087960 Accident sound detection circuit |
| 07/06/2000 | WO2000039574A1 Method and device for the quality control of a work piece |
| 07/06/2000 | DE19860471A1 Verfahren und Vorrichtung zur Qualitätsprüfung eines Werkstücks Method and device for checking the quality of a workpiece |