| Patents for G01H 3 - Measuring vibrations by using a detector in a fluid (2,243) |
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| 02/20/2003 | US20030033882 Method and apparatus for generating specific frequency response for ultrasound testing |
| 02/20/2003 | US20030033847 Calibration circuit for use with a differential input preamplifier in a sensor system |
| 02/18/2003 | US6522797 Seismic optical acoustic recursive sensor system |
| 02/13/2003 | US20030033096 Circuit arrangement for deriving the measured variable from the signals of sensors of a flow meter |
| 02/06/2003 | US20030024298 Transducer in-situ testing apparatus and method |
| 01/16/2003 | US20030010102 Noise testing system with temperature responsive sensitivity |
| 01/14/2003 | US6507790 Acoustic monitor |
| 01/14/2003 | US6507650 Method for noise dosimetry in appliances employing earphones or headsets |
| 01/09/2003 | WO2003002955A1 Method and system for modification of an acoustic environment |
| 01/09/2003 | WO2002090902A3 Method of interacting with the acoustical modal structure of a room |
| 01/09/2003 | US20030005816 Self-aligning ultrasonic displacement sensor system, apparatus and method for detecting surface vibrations |
| 01/08/2003 | EP1273927A1 Environmental noise monitoring |
| 01/07/2003 | US6505130 Laser doppler vibrometer for remote assessment of structural components |
| 01/07/2003 | US6502471 Electrical circuit for testing a transducer horn assembly |
| 01/02/2003 | EP1271155A1 Micromechanical component comprising a diamond layer, and production process |
| 01/02/2003 | EP1270094A2 Device and method for testing the efficiency of an ultrasonic cleaning apparatus |
| 12/26/2002 | US20020198690 System and method for characterizing, synthesizing, and/or canceling out acoustic signals from inanimate sound sources |
| 12/26/2002 | US20020195120 Device and method for testing the efficiency of an ultrasonic cleaner |
| 12/19/2002 | WO2002101378A1 Method and device for detection, identification and densimetric quantification of grain-eating insects in stocks of cereals |
| 12/19/2002 | WO2002101338A1 Method and apparatus for tracking musical score |
| 12/19/2002 | CA2450034A1 Method and device for detection, identification and densimetric quantification of grain-eating insects in stocks of cereals |
| 12/10/2002 | US6490929 Vibration dosimeter worn by an operator |
| 12/05/2002 | US20020183947 Method for evaluating sound and system for carrying out the same |
| 12/05/2002 | US20020181721 Sound source probing system |
| 11/21/2002 | US20020172118 Beat density detecting apparatus and information playback apparatus |
| 11/21/2002 | DE10123197A1 Determination of the sound pressure level for a device or object in reflection-free or open space by measurement within a measurement container and correction of the measured level with a correction factor |
| 11/20/2002 | EP1258879A2 Beat density detecting apparatus and information playback apparatus |
| 11/14/2002 | WO2002090902A2 Method of interacting with the acoustical modal structure of a room |
| 11/14/2002 | WO2002065068A3 Self-aligning ultrasonic sensor system, apparatus and method for detecting surface vibrations |
| 11/07/2002 | WO2002052542A3 Method and arrangement for processing a noise signal from a noise source |
| 11/07/2002 | US20020165676 Circuit Substrate, Battery Pack and Method of Manufacturing Circuit Substrate |
| 10/31/2002 | DE10118934A1 Monitoring device for adjusting and aging monitoring of flow measuring devices that use ultrasonic transducers, by determining mark-space ratio of comparator output signal |
| 10/24/2002 | US20020152815 Sound measuring method and device allowing for auditory senses characteristics |
| 10/23/2002 | EP1000354B1 Flexible tube for refurbishing pipes and method for measuring its degree of cure |
| 10/15/2002 | US6463817 Dummy sound absorber representing a seated human for measuring sound absorption power of a theater chair |
| 10/10/2002 | US20020147556 Circuitry for and a method of detecting tonal signals with the processing capacity distributed with weight to frequency and time domains |
| 09/25/2002 | EP0965058B1 Tracking data sheath |
| 09/24/2002 | US6456199 Continuous noise monitoring and reduction system and method |
| 09/19/2002 | US20020131551 Apparatus and method for imaging objects with wavefields |
| 09/18/2002 | CN2512082Y Portable low-frequency sound field device |
| 09/17/2002 | US6453253 Impulse response measuring method |
| 09/17/2002 | US6450184 Apparatus for measuring cavitation energy profiles |
| 09/11/2002 | EP1239269A1 Sound measuring method and device allowing for auditory sense characteristics |
| 09/10/2002 | US6449564 Apparatus and method for monitoring shaft cracking or incipient pinion slip in a geared system |
| 09/06/2002 | WO2002069077A2 Separation of periodic and non-periodic signal components |
| 09/03/2002 | US6446217 System for determining and controlling the peak amplitude and phase of an oscillating member |
| 08/27/2002 | US6442510 Method and apparatus for determining transit-time differentials for signal waveforms for real-time pattern recognition, localization and monitoring of optical and acoustic signals |
| 08/22/2002 | WO2002065082A1 Device for calibrating a pressure sensor, in particular an infrasound pressure sensor |
| 08/22/2002 | WO2002065068A2 Self-aligning ultrasonic sensor system, apparatus and method for detecting surface vibrations |
| 08/22/2002 | WO2002012843A3 High and low frequency band dual output transducer |
| 08/21/2002 | CN1089434C Surface plasma resonance tester |
| 08/20/2002 | US6438243 Vibration wave detector |
| 08/20/2002 | US6438239 Process and arrangement of monitoring the effectiveness of a spray stream |
| 08/20/2002 | US6435030 Measurement of propagating acoustic waves in compliant pipes |
| 08/15/2002 | US20020111718 Method for predicting the comfort performance of a vehicle fitted with a suspension system |
| 08/07/2002 | EP1229327A2 Device and method for measuring the noise and porosity of asphalts |
| 07/24/2002 | CN1360675A Method for predicting comfort efficiency of vehicle equipped with system linking it to ground |
| 07/24/2002 | CN1360238A 噪声监视系统 Noise Monitoring System |
| 07/17/2002 | EP1222391A1 Method for monitoring wind power plants |
| 07/09/2002 | US6415667 Drive line vibration detection system |
| 07/04/2002 | WO2002052542A2 Method and arrangement for processing a noise signal from a noise source |
| 07/04/2002 | WO2002052522A1 Method and arrangement for processing noise signals from a noise source |
| 07/04/2002 | DE10064756A1 Verfahren und Anordnung zur Verarbeitung von Geräuschsignalen einer Geräuschquelle Method and apparatus for processing noise signals of a sound source |
| 07/04/2002 | DE10064754A1 Verfahren und Anordnung zur Bestimmung eines Geräuschsignals einer Geräuschquelle Method and apparatus for determining a noise signal a noise source |
| 07/03/2002 | EP1218703A1 Acoustic pressure calibrator |
| 06/27/2002 | US20020082786 Separation of periodic and non-periodic signal components |
| 06/27/2002 | US20020081979 Noise monitoring system |
| 06/25/2002 | CA2215365C Vibration dosimeter worn by an operator |
| 06/20/2002 | US20020075758 Method and apparatus for measuring LSAW propagation characteristics |
| 06/13/2002 | DE10060017A1 Detection method and device for an acoustic signal from an emergency vehicle siren, also detects the approach direction so that the driver of a sound-proofed vehicle can take appropriate action |
| 05/28/2002 | US6393920 Sound pressure sensing device |
| 05/28/2002 | US6393902 Noise testing system with temperature responsive sensitivity |
| 05/23/2002 | US20020062194 Apparatus and method for monitoring shaft cracking or incipient pinion slip in a geared system |
| 05/23/2002 | US20020059832 Real-time noise source visualizing system using acoustic mirror |
| 05/23/2002 | DE10157196A1 Real time system for visual monitoring of noise sources with an acoustic mirror in wind tunnel tests superimposes color graded images of sound on camera images of noise source |
| 05/16/2002 | WO2002039075A1 A loading probe for testing an acoustic transducer |
| 05/10/2002 | WO2002037067A1 Abnormality diagnosing device and method for mechanical equipment |
| 05/08/2002 | EP1203206A1 Method and device for recording an image of an object surface using focussed radiation |
| 05/02/2002 | EP1200808A1 Method for predicting the comfort efficiency of a vehicle equipped with a system linking it to the ground |
| 05/02/2002 | EP1200806A1 Measurement of propagating acoustic waves in compliant pipes |
| 05/02/2002 | DE10052991A1 Determining spatial acoustic and electroacoustic parameters, involves conducting signal conversion steps in room with sound source, electroacoustic converters in predefined arrangement |
| 04/30/2002 | US6378536 Ultrasonic cleaning device fault detector |
| 04/25/2002 | DE10049533A1 Wind tunnel, especially for aero-acoustic measurements, has openings at point of pressure maximum, e.g. in wall of feedback tube upstream of outlet nozzle and/or in diffuser |
| 04/24/2002 | EP1199548A2 Method and apparatus for measuring lsaw propagation characteristics |
| 04/24/2002 | EP1198757A1 Correlation analysis in the phase domain |
| 04/23/2002 | US6377514 Acoustic lens-based swimmer's sonar |
| 04/11/2002 | WO2002029432A1 Sound source probing system |
| 04/02/2002 | US6366675 Sound pressure detecting system |
| 04/02/2002 | US6366536 High-resolution seismic acquisition device |
| 03/14/2002 | US20020032536 Method for non-harmonic analysis of waveforms for synthesis, interpolation and extrapolation |
| 03/07/2002 | WO2002018889A1 Sound measuring method and device allowing for auditory sense characteristics |
| 03/06/2002 | EP1183512A1 Device for measuring pressure, sound and vibration and method for analyzing flow on surfaces of structural parts |
| 03/06/2002 | EP1183174A1 Method and device for monitoring a vehicle and/or for monitoring a path of travel while the vehicle is being driven during operation |
| 03/06/2002 | CN1339166A Vibro-acqustic signature treatment process in high-voltage electromechanical switching system |
| 02/21/2002 | WO2000062088A9 Acoustic lens-based swimmer's sonar |
| 02/14/2002 | WO2002012843A2 High and low frequency band dual output transducer |
| 01/29/2002 | US6342747 Wing type ultrasonic transducer |
| 01/24/2002 | DE10034524A1 Detecting accident-related vehicle component deformation involves repeatedly stimulating with defined frequency pulse, detecting change in resulting sound frequency spectrum |
| 01/15/2002 | CA2183868C Siren detector |
| 11/22/2001 | DE10022123A1 Tire pressure monitoring by use of tire body sound analysis and an intelligent or self-teaching network in which the sound is related to pressure in the tire and external effects such as speed, loading, etc are compensated for |