Patents
Sitemap › G01 - Measuring; Testing › G01H - Measurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves › G01H 3 - Measuring vibrations by using a detector in a fluid
Patents for G01H 3 - Measuring vibrations by using a detector in a fluid (2,243)
02/2004
02/25/2004EP1390702A2 Method of interacting with the acoustical modal structure of a room
02/24/2004US6694799 Method and apparatus for detection of particles
02/19/2004US20040034307 Apparatus and method for imaging objects with wavefields
02/18/2004CN1476166A Elastic surface wave apparatus and mfg. method thereof
02/12/2004US20040030419 Abnormality diagnosing device and method for mechanical equipment
02/10/2004US6691002 Method for predicting the comfort performance of a vehicle fitted with a suspension system
02/10/2004CA2199060C Sound insulating cap for sound level meters
02/05/2004DE19828409B4 Schaltung zur Erkennung eines Unfallgeräusches A circuit for detecting an accident noise
02/05/2004DE10137193B4 Verfahren und Einrichtung zum Messen akustischer Größen in flüssigen Medien Method and apparatus for measuring acoustic quantities in liquid media
01/2004
01/15/2004US20040008115 Method for monitoring exposure time of workers in workplace
01/06/2004US6675114 Method for evaluating sound and system for carrying out the same
01/02/2004EP1376079A2 Method for detecting air-delivered underwater bodies
12/2003
12/30/2003US6668654 Method and apparatus for generating specific frequency response for ultrasound testing
12/30/2003US6668653 Method and apparatus for measuring LSAW propagation characteristics
12/24/2003WO2003030716A3 Snore detecting method and apparatus
12/04/2003WO2003016862A3 Method and apparatus for generating specific frequency response for ultrasound testing
12/04/2003US20030225545 Method, apparatus, and program for estimating noise generation for a synchronous belt
11/2003
11/26/2003EP0978120B1 Device and method for analysis and filtration of sound
11/26/2003CN1128990C Noise testor for indoor unit of air conditioner
11/25/2003US6651504 Acoustic sensors using microstructures tunable with energy other than acoustic energy
11/20/2003WO2003096742A1 Method and system of representing a sound field
11/20/2003WO2003095957A1 Improvements to transducer testing
11/20/2003WO2002065068B1 Self-aligning ultrasonic sensor system, apparatus and method for detecting surface vibrations
11/20/2003CA2484588A1 Method and system of representing a sound field
11/19/2003EP1362229A1 Device for calibrating a pressure sensor, in particular an infrasound pressure sensor
11/18/2003US6650757 Method and system to detect unwanted noise
11/12/2003CN2586144Y Infrasound detector
11/05/2003EP1198757B1 Correlation analysis in the phase domain
10/2003
10/30/2003US20030204381 Environmental noise monitoring system
10/29/2003EP1357540A2 Calibration of a microphone for an active noise control system
10/23/2003US20030198354 Microphone calibration for active noise control system
10/21/2003US6636584 Apparatus and method for imaging objects with wavefields
10/21/2003CA2386114C Method for monitoring wind power plants
10/09/2003US20030191609 Headset noise exposure dosimeter
10/08/2003EP0998238B1 System for carrying out surgery, biopsy and ablation of a tumor or other physical anomaly
09/2003
09/30/2003US6629049 Method for non-harmonic analysis of waveforms for synthesis, interpolation and extrapolation
09/25/2003US20030177810 Monolithic I.C. implemented calibration circuit
09/24/2003EP1203206B1 Method and device for recording an image of an object surface using focussed radiation
09/18/2003WO2003052373A3 Testing and monitoring of a shock wave or pressure wave source
09/18/2003US20030176789 Passive ultrasonic sensors, methods and systems for their use
09/17/2003EP1344198A1 Method and arrangement for processing noise signals from a noise source
09/17/2003EP1344197A2 Method and arrangement for processing a noise signal from a noise source
09/17/2003CN1442950A Oscillator characteristics testing method
09/12/2003WO2003067202A3 Headset noise exposure dosimeter
09/11/2003US20030171888 Method for testing characteristics of oscillators
09/04/2003US20030167140 Method of identifying a source of a signal
09/04/2003US20030164761 High and low frequency band dual output transducer
09/02/2003US6615143 Method and apparatus for reconstructing and acoustic field
08/2003
08/28/2003WO2003071306A1 Portable 3d ultrasound system
08/28/2003WO2003019173A3 Method of analyzing tire pitch sequence based on lug stiffness variations
08/28/2003WO2002069077B1 Separation of periodic and non-periodic signal components
08/28/2003US20030159498 Method and apparatus for detection of particles
08/27/2003EP1338873A1 Abnormality diagnosing device and method for mechanical equipment
08/21/2003US20030158482 Portable 3D ultrasound system
08/20/2003EP1336827A1 Method for identifying a signal source
08/19/2003US6608566 Real-time data acquisition system
08/14/2003WO2003067202A2 Headset noise exposure dosimeter
08/12/2003US6606572 Circuit arrangement for deriving the measured variable from the signals of sensors of a flow meter
08/07/2003WO2003064982A1 Sound/vibration resonance separating device
08/07/2003US20030149553 Characterizing, synthesizing, and/or canceling out acoustic signals from sound sources
08/07/2003DE20306985U1 Optical sound level display has graphical and traffic light display
08/06/2003EP1332343A1 A loading probe for testing an acoustic transducer
07/2003
07/30/2003EP1331490A1 Sound source probing system
07/30/2003EP1330690A2 Separation of periodic and non-periodic signal components
07/17/2003WO2003058231A1 Acoustic gas sensor
07/08/2003US6591025 Optical sensing system
07/03/2003DE10228681C1 Underwater body detection method uses evaluation of electroacoustic signals for detection of splash noise when body drops into water
07/01/2003US6587540 Apparatus and method for imaging objects with wavefields
06/2003
06/26/2003WO2003052373A2 Testing and monitoring of a shock wave or pressure wave source
06/18/2003DE20219417U1 Acoustic sensor registering screws and rivets on rebound onto sensor plate
06/12/2003WO2003048702A1 Apparatus, systems, and methods for measuring power output of an ultrasound transducer
06/10/2003CA2293522C Method for noise dosimetry in appliances employing earphones or headsets
06/05/2003US20030105398 Apparatus, systems, and methods for measuring power output of an ultrasound transducer
06/04/2003EP1316488A2 Maximum trasmissible force calculation method and its use for an antilock braking system
06/03/2003US6571598 Calibration circuit for use with a differential input preamplifier in a sensor system
05/2003
05/30/2003WO2003044473A1 Apparatus for measuring ultrasonic power
05/22/2003WO2002069077A3 Separation of periodic and non-periodic signal components
05/14/2003CN1418040A Hydrophone with automatic supression function beyond the adjustable immersion threshold
05/08/2003WO2003038390A1 Noise, vibration and harshness analyzer
05/08/2003US20030088346 Noise, vibration and harshness analyzer
05/08/2003US20030088324 Method for monitoring and controlling noise conditions
05/08/2003US20030086337 Hydrophone with automatic inhibition in case an adjustable immersion threshold is exceeded
05/02/2003EP1306060A1 System for carrying out surgery biopsy and ablation of a tumor or other physical anomaly
04/2003
04/29/2003US6556941 Separation of periodic and non-periodic signal components
04/24/2003DE10158906C1 Maximum force transfer determination method for regulation of automobile anti-locking braking or drive slip regulation using detected tire noise
04/22/2003US6550332 Real-time noise source visualizing system using acoustic mirror
04/17/2003WO2003030716A2 Snore detecting method and apparatus
04/17/2003US20030074145 Laser doppler vibrometer for remote assessment of structural components
04/15/2003US6549628 Method for determining and optionally eliminating a disturbing noise subjectively perceived by an operator
04/10/2003US20030066529 Snore detecting method and apparatus
04/01/2003US6542857 System and method for characterizing synthesizing and/or canceling out acoustic signals from inanimate sound sources
03/2003
03/18/2003CA2124075C Ultrasonic holography imaging method and apparatus
03/13/2003US20030048082 Method and system for non-contact sensing of motion of a roller drum
03/06/2003WO2003019173A2 Method of analyzing tire pitch sequence based on lug stiffness variations
03/04/2003US6529838 Method of and apparatus for predicting vehicle interior noise
03/04/2003US6526840 Method for measuring sound absorption power of a theater chair with a human being seated thereon and a dummy sound absorber
02/2003
02/27/2003WO2003016862A2 Method and apparatus for generating specific frequency response for ultrasound testing
02/27/2003US20030040886 Method of analyzing tire pitch sequence based on lug stiffness variations
02/27/2003US20030039369 Environmental noise monitoring
02/25/2003CA2238205C Vibration wave detecting method and vibration wave detector
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