Patents
Patents for G01H 3 - Measuring vibrations by using a detector in a fluid (2,243)
06/2000
06/29/2000DE19941917A1 Monitoring and regulating especially oil or gas-fired burner systems involves monitoring for coincidence within certain bandwidth between initial and operating data using time correlation
06/28/2000EP1011590A1 Noise and light monitor apparatus
06/27/2000US6079275 Signal detection instrument with touch probe resonator assembly for use therewith
06/21/2000CN1257206A Apparatus and method for mornitoring axle fracture or early gear slippage in gear system
06/08/2000WO2000033037A2 System and method for characterizing, synthesizing, and/or canceling out acoustic signals from inanimate sound sources
05/2000
05/31/2000EP1004867A2 Apparatus and method for monitoring shaft cracking or incipient pinion slip in a geared system
05/17/2000EP1000354A1 Flexible tube for refurbishing pipes and method for measuring its degree of cure
05/10/2000EP0998238A1 System for carrying out surgery, biopsy and ablation of a tumor or other physical anomaly
05/02/2000US6058076 Signal detector and method for detecting signals having selected frequency characteristics
04/2000
04/25/2000US6053028 Method and apparatus for testing transducer horn assembly for testing transducer horn assembly debubbling devices
04/20/2000DE19844870A1 Displaying sound field of object such as machine or motor vehicle involves generating combined acoustic-visual image and displaying on monitor
04/13/2000WO2000000805A3 Signal processing system for energy transfer arrangement under test
04/13/2000DE19844784A1 Identification and elimination of subjectively perceived noise, involves playing manipulated recorded noise to operator to evaluate disturbance noise and deriving repair measure
03/2000
03/28/2000US6041657 Outdoor noise testing system
03/14/2000US6035719 Noise/vibration measuring and disclosing system
03/09/2000WO2000012977A1 Seismic optical acoustic recursive sensor system
03/09/2000CA2342639A1 Seismic optical acoustic recursive sensor system
03/08/2000CN1246921A Device for inspecting bearings of main motors of rolling stock
03/01/2000EP0982579A1 Devices for inspecting bearings of main motors of rolling stock
02/2000
02/17/2000DE19836727A1 Thermo-acoustic sensor, especially for measuring total ultrasonic power radiated from ultrasound transducers; has thermally-insulated ultrasound duct to direct ultrasound radiated in sound propagation medium with negligible absorption
02/09/2000EP0978120A1 Device and method for analysis and filtration of sound
02/03/2000WO2000005665A1 Method in noise management and noise control planning
02/02/2000EP0975261A1 Ultrasound-based 3-d tracking system using a digital signal processor
01/2000
01/27/2000WO2000004359A1 Abnormalities detection with acoustic monitor
01/19/2000EP0972172A1 Circuit arrangement for deriving the measured variable from the signals of sensors of a flow meter
01/11/2000US6012334 Vibration wave detecting method and vibration wave detector
01/06/2000WO2000000805A2 Signal processing system for energy transfer arrangement under test
01/06/2000WO2000000803A1 Noise testing system with temperature responsive sensitivity
01/06/2000CA2336281A1 Signal processing system for energy transfer arrangement under test
01/06/2000CA2336121A1 Noise testing system with temperature responsive sensitivity
01/05/2000DE19828409A1 Accident sound detector circuit at road junctions
12/1999
12/29/1999EP0966691A1 System for displaying a 2-d ultrasound image within a 3-d viewing environment
12/29/1999EP0966226A1 A system for sharing electrocardiogram electrodes and transducers
12/22/1999EP0965058A1 Tracking data sheath
12/21/1999US6005916 Apparatus and method for imaging with wavefields using inverse scattering techniques
12/16/1999WO1999064897A1 High-resolution seismic acquisition device
12/16/1999DE19826072A1 Sound level measuring system with optical indication of measured intensity of sound level
12/15/1999CN1238448A Surface plasma resonance tester
12/09/1999DE19924955A1 Acoustic measuring unit for determining and evaluating unusual noises, especially drive rattles of motor vehicles
11/1999
11/30/1999US5995632 Fan noise canceller
11/30/1999US5995451 Multiple sensor fish surrogate interface system for acoustic and hydraulic data collection and analysis
11/23/1999US5990801 Accident sound detection circuit
11/18/1999WO1999058055A1 A method for carrying out a medical procedure using a three-dimensional tracking and imaging system
10/1999
10/26/1999US5971913 Noise and light monitor apparatus
10/20/1999CN1232174A Noise tester for indoor unit of air conditioner
10/19/1999US5969252 Process for the predictive determination in the precritical regime of the load at rupture of a structure
10/07/1999WO1999026167A3 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
10/05/1999US5962773 Apparatus for measuring intensity of ultrasonic waves in a cleaning tank
09/1999
09/23/1999WO1999047904A1 Devices for inspecting bearings of main motors of rolling stock
09/23/1999DE19909486A1 Evaluating quality of fluctuating noises from noise sources, e.g. a motor
09/16/1999DE19821213A1 Hum noise determining arrangement for electromechanically operated apparatus
08/1999
08/24/1999US5943555 Micro mechanical component and production process thereof
08/24/1999US5943428 Accident sound detector
08/17/1999CA2015412C Improved acoustic bearing defect detector
08/10/1999US5935068 System and method for improving ultrasound image contrast by amplitude compression of ultrasonic wavefront signals
07/1999
07/20/1999US5925821 Device for measuring noise in a pipe traversed by a fluid
07/15/1999WO1999035470A1 Acoustic particle velocity sensor
07/14/1999EP0929137A1 Arc detection and location in Gas Insulated Substation using half wave oscillation of the gas
06/1999
06/30/1999EP0926657A1 Method and apparatus for acoustic detection of a signal with a low signal-to-noise ratio, in the presence of a noise source
06/29/1999US5918203 Method and device for determining the tonality of an audio signal
06/29/1999US5917775 Apparatus for detecting the discharge of a firearm and transmitting an alerting signal to a predetermined location
06/16/1999EP0922951A2 V-belt noise tester and testing method
06/10/1999DE19754563A1 Level monitor
06/02/1999DE19750835A1 Verfahren und Einrichtung zur Laufzeitdifferenzenbestimmung von akustischen Signalen Method and apparatus for determining time differences of acoustic signals
05/1999
05/27/1999WO1999026167A2 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
05/19/1999EP0741873B1 A passive sensor system using ultrasonic energy
05/12/1999DE19749372A1 Electronic recognition system for acoustic signals
04/1999
04/29/1999WO1999021396A1 Howling eliminator
04/06/1999US5892162 Apparatus and method for inspection of pipes and tubes using guided wave probe
03/1999
03/30/1999US5889194 Apparatus for controlling the sensitivity of transducer elements of an array
03/23/1999US5886264 System and method for predicting sound radiation and scattering from an arbitrarily shaped object
03/18/1999WO1999012509A1 Noise and light monitor apparatus
03/18/1999CA2302734A1 Noise and light monitor apparatus
03/17/1999EP0902264A2 System and method of measuring noise of mobile body using a plurality microphones
03/10/1999EP0901267A2 The detection of the speech activity of a source
03/10/1999EP0901015A2 Ultrasonic transducer
02/1999
02/25/1999DE19736021A1 Determining acoustically relevant vibration sources
02/23/1999US5874950 Method and system for graphically displaying audio data on a monitor within a computer system
02/18/1999DE19748839C1 Method of analysing noise from an extended source
02/09/1999US5870483 Sound insulating cap for sound level meters
02/09/1999US5868673 System for carrying out surgery, biopsy and ablation of a tumor or other physical anomaly
02/04/1999WO1999005520A1 Flexible tube for refurbishing pipes and method for measuring its degree of cure
02/02/1999CA2065597C Selection method of ultrasonic translator and translators chosed by this method
01/1999
01/07/1999EP0723651B1 Method and device for measuring ultrasonic activity in an ultrasound delivery system
01/05/1999US5856722 Microelectromechanics-based frequency signature sensor
12/1998
12/30/1998EP0756740B1 Process and device for tracing an ultrasound field
12/29/1998US5854422 Ultrasonic detector
12/24/1998DE19726608A1 Noise determination method for road or railway
12/23/1998EP0886131A1 Device for measuring noise in a fluid-carrying pipe
12/23/1998EP0886130A2 Method of and apparatus for predicting vehicle interior noise
12/22/1998US5852233 For the examination of a specimen
12/02/1998EP0881477A2 Vibration wave detecting method and vibration wave detector
11/1998
11/25/1998EP0879426A2 Three-dimensional digital ultrasound tracking system
11/10/1998US5834999 Transducer for a stringed musical instrument
11/03/1998US5830144 Tracking data sheath
10/1998
10/27/1998US5828997 Method for converting a source signal to a symbolic signal
10/22/1998WO1998046140A1 Ultrasound-based 3-d tracking system using a digital signal processor
10/15/1998WO1998045671A1 Circuit arrangement for deriving the measured variable from the signals of sensors of a flow meter
10/14/1998EP0871021A2 Acoustic sensor
10/08/1998DE19713786A1 Schaltungsanordnung zur Ableitung der Meßgröße aus den Signalen von Sensoren eines Durchflußmessers Circuit arrangement for deriving the measured variable from the signals of sensors of a flow meter
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