Patents for G01H 3 - Measuring vibrations by using a detector in a fluid (2,243) |
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12/19/1996 | WO1996041214A1 Apparatus and method for speech recognition using spatial information |
12/18/1996 | EP0748494A1 Siren detector |
12/17/1996 | US5585551 Method for identification of different states of water, and sensor arrangement for use in the method |
12/17/1996 | US5585546 Apparatus and methods for controlling sensitivity of transducers |
11/27/1996 | EP0535103B1 Method for monitoring the effectiveness of pressure waves from a pressure wave generator |
11/13/1996 | EP0741873A1 A passive sensor system using ultrasonic energy |
11/12/1996 | US5574212 Automated system and method for testing resolution of ultrasound scanners |
10/30/1996 | EP0627087A4 Hydrophone arrangement. |
10/30/1996 | EP0613556B1 Ultrasonic holography imaging method and apparatus |
10/22/1996 | US5568448 System for transmitting a signal |
10/22/1996 | CA2012951C Ultrasound generator assembly and ultrasonic acoustic microscope |
10/10/1996 | WO1996031753A2 Three-dimensional digital ultrasound tracking system |
10/10/1996 | CA2215508A1 Three-dimensional digital ultrasound tracking system |
10/02/1996 | DE19518409C1 Acoustic fault identification for determining e.g. bearing damage from radially measured air sound signal |
09/26/1996 | WO1996029581A1 Vibration dosimeter worn by an operator |
09/24/1996 | US5557969 Apparatus and method for detection ultrasonic waves propagated from within a selected distance |
08/22/1996 | WO1996025649A1 Process and device for determining the tonality of an audio signal |
08/15/1996 | WO1996024825A1 Acoustic pressure gradient sensor |
08/08/1996 | DE4143540C2 Therapeutic assembly for treatment by acoustic irradiation |
07/31/1996 | EP0723651A1 Method and device for measuring ultrasonic activity in an ultrasound delivery system |
07/09/1996 | US5535131 System for analyzing sound quality in automobile using musical intervals |
07/04/1996 | DE19510144C1 Test phantom for ultrasonic transducer useful for treating pathological tissue changes |
07/02/1996 | US5531124 Ultrasonic flow measuring method and apparatus thereof |
06/26/1996 | EP0718608A1 Method for analysing regularly excited mechanical vibrations |
06/25/1996 | US5530678 Real-time calibration acoustic array |
05/29/1996 | EP0714088A1 Voice activity detection |
05/28/1996 | US5521885 Hydrophone arrangement |
05/28/1996 | US5521594 For detecting a dry-wet condition of a road surface |
05/23/1996 | CA2163295A1 Vocal activity detection |
05/21/1996 | US5519637 Wavenumber-adaptive control of sound radiation from structures using a `virtual` microphone array method |
05/15/1996 | EP0711406A1 Acoustic microscope |
05/14/1996 | US5515853 Three-dimensional digital ultrasound tracking system |
05/07/1996 | US5515300 Coherent signal power detector using higher-order statistics |
05/02/1996 | DE19531360A1 Transducer sensitivity control device for ultrasonic imaging system |
03/13/1996 | EP0472578B1 Apparatus and methods for the generation of stabilised images from waveforms |
03/05/1996 | CA2131522A1 Low frequency air mass perturbation detector using a sealed volume flexible tube as the containment medium |
02/06/1996 | US5488853 Measurement arrangement for calibrating ultrasonic shock wave sensors |
01/11/1996 | DE4423383A1 Sound dose indicator with warning alarm for use at e.g. discotheque, or work-place with high ambient noise level, or headphone user |
01/09/1996 | US5483617 Elimination of feature distortions caused by analysis of waveforms |
01/03/1996 | EP0689667A1 Sound evaluation process |
12/28/1995 | WO1995025264A1 Apparatus and method for detecting ultrasonic waves propagated from within a selected distance |
12/19/1995 | US5477506 In-flow acoustic sensor |
12/14/1995 | WO1995034062A1 Method of analysis of signals from non-stationary processes possessing temporal structure such as music, speech, and other event sequences |
12/07/1995 | DE19505435C1 Tonality evaluation system for audio signal |
11/14/1995 | US5465720 Automated qualitative image quality for ultrasound images |
11/14/1995 | US5465625 Heat measurement apparatus for inspecting therapeutic energy waves |
11/14/1995 | US5465469 Method for measuring sound absorption power of a theater chair with a dummy representing a human being seated thereon |
11/07/1995 | US5465302 Method for the location of a speaker and the acquisition of a voice message, and related system |
11/02/1995 | WO1995029478A1 Process and device for tracing an ultrasound field |
11/02/1995 | WO1995029413A1 Vehicle classification system using a passive audio input to a neural network |
11/02/1995 | CA2188539A1 Process and device for tracing an ultrasound field |
11/02/1995 | CA2187885A1 Vehicle classification system using a passive audio input to a neural network |
10/19/1995 | WO1995027910A1 Airport noise monitoring system |
10/10/1995 | US5457750 Method and device for reducing noises generated at an indoor unit of a separate type room air conditioner package |
09/27/1995 | EP0674181A2 Micro mechanical component and production process thereof |
09/25/1995 | CA2145331A1 Micro mechanical component and production process thereof |
09/13/1995 | EP0671610A2 Method and apparatus for diagnosing sound source and vibration source |
09/13/1995 | EP0671113A1 Microphone mounting device |
09/12/1995 | US5448904 Acoustic calibration apparatus for calibrating plethysmographic acoustic pressure sensors |
09/08/1995 | WO1995024028A1 Siren detector |
09/06/1995 | CN2206949Y Multifunction sound wave parameter surveying instrument |
08/29/1995 | US5445026 Electronic instrument for locating and diagnosing engine sounds |
08/15/1995 | US5440914 Method of measuring distribution and intensity of ultrasonic waves |
08/03/1995 | WO1995020769A1 A passive sensor system using ultrasonic energy |
08/03/1995 | CA2182193A1 A passive sensor system using ultrasonic energy |
07/25/1995 | US5436556 Signal detector and method for detecting signals having selected frequency characteristics |
07/18/1995 | US5433102 Ultrasonic wave energy detection and identification |
07/11/1995 | US5432755 Ultrasonic signal detector |
07/05/1995 | EP0473664B1 Analysis of waveforms |
06/22/1995 | WO1995016899A1 Sound evaluation process |
06/14/1995 | EP0657349A1 Method for identification of different states of water, and sensor arrangement for use in the method |
06/13/1995 | US5424486 Musical key determining device |
06/10/1995 | CA2137601A1 Method for identification of different states of water, and sensor arrangement for use in the method |
06/08/1995 | DE4443000A1 Akustisches Verfahren und akustische Vorrichtung zum Messen von Spulen-Abwickelgeschwindigkeiten Acoustic method and apparatus for measuring acoustic coil Abwickelgeschwindigkeiten |
06/06/1995 | US5422977 Apparatus and methods for the generation of stabilised images from waveforms |
06/01/1995 | WO1995010758A3 Method and device for measuring ultrasonic activity in an ultrasound delivery system |
05/24/1995 | EP0654676A1 Method for determining the fundamental frequencies of the frequency spectrum of an acoustic locating device |
04/20/1995 | WO1995010758A2 Method and device for measuring ultrasonic activity in an ultrasound delivery system |
03/23/1995 | DE4331423A1 Circuit arrangement for recording oto-acoustic tone differences for the purpose of audiometric screening |
03/22/1995 | CN1027990C Submersible mark type measuring system for underwater noise |
03/21/1995 | US5400261 Method and apparatus for wave analysis and event recognition |
03/16/1995 | DE4432608A1 Arrangement and method of detecting tool fractures in machine tools |
03/09/1995 | DE4330148A1 Method for three-dimensional ultrasonic transillumination |
03/02/1995 | DE4430223A1 Ultrasonic flow measuring method and device for carrying out the method |
02/21/1995 | US5392381 Acoustic analysis device and a frequency conversion device used therefor |
02/21/1995 | US5392258 Underwater acoustic intensity probe |
02/21/1995 | US5390678 Method and device for measuring ultrasonic activity in an ultrasound delivery system |
02/14/1995 | US5390248 Apparatus for determining tonal characteristics of an object and method thereof |
02/07/1995 | US5387833 Method and device for separating acoustic wave-generated energy from directly coupled electromagnetic interference |
02/02/1995 | WO1995003531A1 Acoustic microscope |
01/10/1995 | US5381383 Sonar transducer calibration apparatus and method |
12/22/1994 | DE4320039A1 Method and device for determining the presence and/or for measuring the properties (characteristics) of solid or liquid materials in a space |
12/07/1994 | EP0627087A1 Hydrophone arrangement |
11/22/1994 | US5367496 Apparatus for producing images acoustically |
11/08/1994 | CA1332983C Method for improving tread noise by relative rotation of a rib, and simulating the effect thereof |
10/27/1994 | DE4410032A1 Method and device for detecting ultrasonic wave energy |
10/25/1994 | US5357805 Pressure measurement apparatus for inspecting therapeutic energy waves |
10/18/1994 | US5357063 Method and apparatus for acoustic energy identification of objects buried in soil |
10/11/1994 | US5355350 Passive acoustic tornado detector and detection method |
10/05/1994 | EP0618446A1 Method and device for separating acoustic wave-generated energy from directly coupled electromagnetic interference |