Patents
Patents for G01H 17 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass (3,373)
01/2001
01/30/2001US6182018 Method and apparatus for identifying sound in a composite sound signal
01/17/2001EP1069413A2 Method and apparatus for determining room acoustic properties in particilar in a vehicle
01/09/2001US6170333 Apparatus for detecting abnormal sound and method for judging wrong in machine
01/09/2001US6170326 Signal processing system for energy transfer arrangement under test
11/2000
11/08/2000EP1050863A2 Analytical tachometers
11/07/2000US6144923 Machine diagnosis system
11/02/2000WO2000000805A9 Signal processing system for energy transfer arrangement under test
10/2000
10/26/2000DE19915269A1 Verfahren zur Bestimmung der Reibung zwischen Strangschale und Kokille beim Stranggießen Method for determining the friction between strip skin and mold in continuous casting
10/25/2000EP1046897A1 Master wheel for checking gear wheels for surface defects
10/25/2000EP1046026A1 Method and arrangement for evaluating combustion processes in an internal combustion engine
10/25/2000EP1045988A1 Detecting and controlling vibration in a wind turbine
10/11/2000EP1043710A1 Method for simulating a non-linear acoustic wave propagation, in particular through a resonator
10/11/2000EP1043096A1 Process of measuring the frictional force between the strand and the mould at continuous casting
10/11/2000CN1269271A Method for determining friction between crystalizer and blank shell when continuous casting
10/10/2000US6128959 Driveline vibration analyzer
10/04/2000CN1269012A Signal processing system for sensing a periodic signal in noise
10/03/2000CA2303641A1 Method of determining the friction between strand shell and mold during continuous casting
09/2000
09/21/2000WO2000056119A1 Intelligent speaker training using microphone feedback and pre-loaded templates
09/21/2000CA2596275A1 Low profile acoustic sensor array and sensors with pleated transmission lines and related methods
09/06/2000EP0585237B1 Dynamical system analyser
08/2000
08/22/2000US6105443 Dummy sound absorber representing a seated human for measuring sound absorption power of a theater chair
08/15/2000CA2242438C System for restricting use of measuring apparatus
08/08/2000US6101453 Method and apparatus for analyzing vibration of housing of disk device
07/2000
07/26/2000EP1022702A2 Self-powered wireless tranducer
07/18/2000US6090147 Computer program media, method and system for vibration and acoustic analysis of complex structural-acoustic systems
07/12/2000EP1018640A1 Torsional vibration measuring instrument and torsional vibration measuring method
07/11/2000US6085593 Vibration damping element test apparatus
06/2000
06/28/2000EP1012498A1 Dry bearing detection apparatus
06/27/2000US6079258 Method for analyzing the driving behavior of motor vehicles
06/14/2000EP1007916A1 Signal processing system for sensing a periodic signal in noise
06/13/2000CA2015858C Passive acoustics system to monitor fluidized bed systems
06/08/2000DE19917541A1 Method and appliance for fault diagnosis of production machinery based on the vibration characteristics of machine
06/08/2000DE19852220A1 Verfahren zur Erkennung von Schäden im Schienenverkehr Method for detecting damage in rail transport
05/2000
05/25/2000WO2000029270A1 Method for detecting damage in railway traffic
05/18/2000DE19852833A1 Scanning microscope probe distance evaluation method, e.g. for scanning near-field optical microscopy; uses detected oscillation amplitude, frequency or phase of probe subjected to lateral and superimposed vertical oscillation
04/2000
04/26/2000EP0995260A1 Rotating electric motor system capable of vibrating and method for operating a rotating electric motor capable of vibrating
04/25/2000US6055391 Vibration detection and control system for printers
04/18/2000US6051833 Probe scanning device
04/13/2000WO2000020833A1 Method and arrangement for evaluating combustion processes in an internal combustion engine
04/13/2000WO2000000805A3 Signal processing system for energy transfer arrangement under test
04/12/2000CN1051349C Construction method for pile head grouting of cast-in-situ grout pile and pile head pressure grounting line
04/06/2000DE19845232A1 Verfahren und Vorrichtung zur Bewertung von Verbrennungsvorgängen an einer Brennkraftmaschine Method and apparatus for evaluating combustion processes in an internal combustion engine
03/2000
03/08/2000EP0983489A1 Apparatus and method for compressing measurement data correlative to machine status
03/01/2000EP0982578A2 Method and apparatus for identifying sound in a composite sound signal
02/2000
02/25/2000CA2280682A1 Method and apparatus for identifying sound in a composite sound signal
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
02/16/2000EP0980001A1 Driveline vibration analyzer
02/15/2000US6026348 Apparatus and method for compressing measurement data correlative to machine status
02/13/2000CA2280280A1 Driveline vibration analyzer
02/08/2000CA2103259C Improvements in and relating to particle detection and analysis
01/2000
01/27/2000WO2000004359A1 Abnormalities detection with acoustic monitor
01/13/2000WO2000002023A1 Dynamic holographic velocimeter for measuring vibrations
01/13/2000DE19829409A1 Oscillation detector using pressure sleeve e.g. knock sensor for car IC engine
01/13/2000DE19829407A1 Oscillation detector with pressure sleeve e.g. knock sensor for car IC engine
01/13/2000DE19829379A1 Oscillation detector using pressure sleeve e.g. knock sensor for car IC engine
01/06/2000WO2000000805A2 Signal processing system for energy transfer arrangement under test
01/06/2000CA2336281A1 Signal processing system for energy transfer arrangement under test
01/05/2000DE19828409A1 Accident sound detector circuit at road junctions
12/1999
12/09/1999DE19825404A1 Needle probe for scanning probe microscope, having toughened carbon, metallic or organometallic coating
12/07/1999US5999956 Separation system for non-stationary sources
11/1999
11/25/1999DE19822634A1 Nano-atomic force microscope for rapid and sensitive surface interatomic or intermolecular force measurement
11/24/1999EP0836408A4 Apparatus and method for measuring tympanic displacement
11/23/1999US5990801 Accident sound detection circuit
11/16/1999US5983713 Scanning probe microscope
11/16/1999CA2196010C Adaptive iir multitone detector
10/1999
10/27/1999CN1046028C Monitoring system for displaying the states of vibration of rotating wheel blades for turbine
10/12/1999US5965804 Knock sensor
10/05/1999US5962773 Apparatus for measuring intensity of ultrasonic waves in a cleaning tank
09/1999
09/30/1999DE19812987A1 Distance control between probe and specimen for oscillating measurement probe in electron scanning microscopy
09/22/1999EP0942853A1 Accident sensor consisting of a deformable part of the vehicle
09/22/1999CN1229191A Detecting apparatus capable of detecting magnitude of shock and portable electronic appliance with the same
09/15/1999EP0776464A4 Method and apparatus for determining resonance information
09/14/1999CA2035278C Automatic pseudokeyphasor generator
09/09/1999DE19806240A1 Contact-less path and oscillation measurement of object
08/1999
08/17/1999US5939616 Knocking detecting sensor
07/1999
07/27/1999US5929336 Dry bearing detection apparatus
07/22/1999WO1999036695A1 Method for measuring and controlling oscillations in a wind turbine
05/1999
05/19/1999CN1217056A Multiple sensor apparatus and method for monitoring turbomachine
04/1999
04/22/1999WO1999019698A1 Apparatus and method for compressing measurement data correlative to machine status
04/22/1999WO1999019175A1 Accident sensor consisting of a deformable part of the vehicle
04/22/1999DE19745309A1 Collision sensor for vehicles
04/20/1999US5895840 Vibration sensing device having slidable conductive member
04/14/1999CN1213773A Method for protecting against vibrations in rotary machines
03/1999
03/31/1999EP0905601A1 System for restricting use of a measuring apparatus
03/24/1999EP0737351B1 Method and system for detecting and generating transient conditions in auditory signals
03/16/1999US5884260 Method and system for detecting and generating transient conditions in auditory signals
03/10/1999EP0901007A2 Test device for vibration dampers of turbine vanes
03/09/1999US5880351 Vibration sensing element and vibration sensor
03/04/1999WO1999010715A1 Signal processing system for sensing a periodic signal in noise
03/04/1999CA2297891A1 Signal processing system
03/02/1999US5878286 Motion detection device for a photographic apparatus
02/1999
02/18/1999DE19748839C1 Method of analysing noise from an extended source
02/11/1999DE19738595C1 Turbine blade damping element testing device
02/03/1999EP0817963A4 Vibration analyzer
02/03/1999EP0705422B1 Continuous monitoring of reinforcements in structures
02/02/1999US5867115 Signal processing circuit with offset compensation
01/1999
01/27/1999CN1206086A System for restricting use of measuring apparatus
12/1998
12/29/1998US5854993 Component machine testing using neural network processed vibration data analysis
12/23/1998WO1998058446A1 Rotating electric motor system capable of vibrating and method for operating a rotating electric motor capable of vibrating
12/23/1998EP0886130A2 Method of and apparatus for predicting vehicle interior noise
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