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