| 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) |
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| 12/22/1998 | US5852234 Knocking detecting sensor |
| 12/17/1998 | DE19724440A1 Arrangement for indicating and recording vibrations and shocks |
| 12/16/1998 | EP0883797A1 Multiple sensor apparatus and method for monitoring turbomachines |
| 12/16/1998 | CA2208499A1 Electrically audible motorized wheel assembly and method thereof |
| 11/25/1998 | EP0880017A2 Method of protection against vibrations by rotary machines |
| 11/17/1998 | US5836285 Device for controlling knocking in an internal combustion engine |
| 11/10/1998 | US5835682 Dynamical system analyzer |
| 10/15/1998 | DE19816480A1 Scanning microscope with orthogonally displaced scanning head |
| 09/24/1998 | WO1998041821A1 Torsional vibration measuring instrument and torsional vibration measuring method |
| 09/02/1998 | EP0714519A4 Entropy based signal transmission, reception and signal analysis method and apparatus |
| 09/02/1998 | CN2290039Y Ultrasonic leak hunting apparatus |
| 08/27/1998 | DE19807911A1 Coarse probe adjustment for raster microscope |
| 08/26/1998 | EP0860944A1 Separation system for non-stationary sources |
| 08/26/1998 | EP0860761A1 Diagnostic system for a machine |
| 08/18/1998 | US5796336 Glass breakage detecting device |
| 08/13/1998 | DE19804017A1 Probe scanner for raster probe microscope |
| 08/12/1998 | EP0857944A1 Vibration detection and control system for printers |
| 08/11/1998 | US5792955 Apparatus for measuring a loss of sound traveled in a muffler of an automobile |
| 06/18/1998 | WO1998026208A1 Dry bearing detection apparatus |
| 06/17/1998 | EP0722562B1 Engine knock detection process |
| 06/10/1998 | EP0846945A2 Procedure for analysing the driving behaviour of vehicles |
| 06/10/1998 | DE19729609A1 Ultrasonic wave intensity measuring device for cleaning arrangement during manufacture of CRT mask |
| 06/10/1998 | CN1184250A Apparatus for measuring intensity of ultrasonic waves |
| 06/09/1998 | US5763770 Design of golf clubs with node line mapping |
| 05/27/1998 | EP0844470A1 Knocking detecting sensor |
| 05/05/1998 | US5747678 Method for detecting crankshaft oscillations |
| 04/29/1998 | EP0838674A2 Method for evaluating vibration signals of technical systems |
| 04/29/1998 | EP0710355B1 Monitoring system for representing the states of vibration of a plurality of blades on a rotating wheel |
| 04/28/1998 | US5744698 Accelerometric sensor for measuring the piston knock of an internal combustion engine |
| 04/28/1998 | US5743233 Method for detecting knocking |
| 04/22/1998 | EP0836408A1 Apparatus and method for measuring tympanic displacement |
| 04/14/1998 | US5739433 Touch off probe |
| 04/14/1998 | US5739418 Vibration pick-up and method of producing the same |
| 04/07/1998 | US5736643 Monitoring system for representing vibration conditions of a multiplicity of blades on a rotating disc |
| 03/31/1998 | US5734577 Adaptive IIR multitone detector |
| 03/17/1998 | US5728938 Noise measuring device for a differential gear assembly |
| 02/26/1998 | DE19633546A1 Device for contactless scanning of surface |
| 01/27/1998 | US5711308 Wearable apparatus for measuring displacement of an in vivo tympanum and methods and systems for use therewith |
| 01/22/1998 | DE19730878A1 Arrangement for objective assessment of hearing ability of human ear |
| 01/20/1998 | US5710715 For detecting abnormalities by analyzing a vibration waveform |
| 01/14/1998 | EP0817963A1 Vibration analyzer |
| 12/30/1997 | US5703294 Method of evaluating the vibration characteristics of a sporting implement such as a golf club |
| 12/18/1997 | DE19622701A1 Cantilever chip for atomic force microscopy |
| 12/16/1997 | US5698788 Method for analysing regularly recurring mechanical vibrations |
| 11/11/1997 | US5686669 Apparatus and method for analyzing the condition and performance of turbomachines by processing signals representing rotor motion |
| 11/04/1997 | US5684249 Ground vibration properties detection method and equipment thereof |
| 10/22/1997 | CN1162559A Vibration receiver and manufacturing method therefor |
| 10/14/1997 | US5677488 Piezoelectric film transducer sytem for bearings |
| 10/02/1997 | DE19612541A1 Vibration pick-up with pressure sleeve in housing e.g. for engine knock sensor |
| 09/17/1997 | EP0795986A2 Multitone detector using an adaptive IIR filter |
| 09/10/1997 | EP0794420A2 Method of machine vibration analysis for tire uniformity machine |
| 09/09/1997 | US5665916 Fuel line based acoustic flame-out detection system |
| 09/09/1997 | CA2176992A1 Method of machine vibration analysis for tire uniformity machine |
| 09/04/1997 | WO1997032186A1 Multiple sensor apparatus and method for monitoring turbomachines |
| 09/04/1997 | CA2278699A1 Multiple sensor apparatus and method for monitoring turbomachines |
| 09/02/1997 | US5663501 Method and apparatus for determining seismic vulnerability of a structure |
| 07/31/1997 | WO1997027478A1 Vibration analyzer |
| 07/17/1997 | DE19600240A1 Raster scan force microscope with mechanical coarse setting also sensor and evaluator |
| 07/08/1997 | US5646340 Analytical tachometers |
| 07/01/1997 | US5644084 Method of measuring natural frequency of motor |
| 06/24/1997 | US5641896 Coupled oscillator scanning imager |
| 06/04/1997 | EP0776464A1 Method and apparatus for determining resonance information |
| 05/21/1997 | CN1150253A 原子力显微镜 AFM |
| 04/29/1997 | US5625150 Integrated acoustic leak detection sensor subsystem |
| 04/15/1997 | US5621491 For a target detection object |
| 04/15/1997 | US5621174 Vibration detection device |
| 04/09/1997 | CN2251718Y Improved ultrasonic wave energy transducer head |
| 04/08/1997 | US5619220 Sound image display method and apparatus |
| 04/08/1997 | US5618993 Ultrasonic detection apparatus and method for detecting acoustic emission |
| 04/01/1997 | US5617176 Shake detecting and drift component removal apparatus |
| 04/01/1997 | US5616916 Configuration measuring method and apparatus for optically detecting a displacement of a probe due to an atomic force |
| 03/25/1997 | US5614676 Method of machine vibration analysis for tire uniformity machine |
| 03/06/1997 | DE19532838A1 Non contact scanning force microscope |
| 02/12/1997 | CN2247335Y Mechanical sound detector |
| 02/11/1997 | US5602337 Abnormal sound detecting apparatus |
| 02/05/1997 | CN1142047A Method for defining destructive degree of building destructed from earthquake and instrument thereof |
| 02/04/1997 | US5598822 Knocking detection method for internal combustion engines and ignition timing control method therefor |
| 01/15/1997 | CN2245241Y Information processor for baby |
| 12/19/1996 | WO1996039924A1 Apparatus and method for measuring tympanic displacement |
| 12/17/1996 | US5585551 Method for identification of different states of water, and sensor arrangement for use in the method |
| 12/05/1996 | DE19520457A1 Sensing element for probe used to measure topography of sample surface in raster scan microscope |
| 11/26/1996 | US5578756 Method and apparatus for evaluating soundness of block-like structures |
| 11/20/1996 | EP0742905A1 Accelerometric sensor for measuring pinking in an internal combustion engine |
| 11/19/1996 | US5576971 Apparatus for displaying damping effect or base isolation effect |
| 11/13/1996 | EP0585301B1 Improvements in and relating to particle detection and analysis |
| 10/29/1996 | US5569854 Apparatus and method for transmitting and receiving ultrasonic waves having an acoustoelectric, ultrasonic transducer |
| 10/16/1996 | EP0737351A1 Method and system for detecting and generating transient conditions in auditory signals |
| 10/08/1996 | US5563953 Apparatus and method for evaluating audio distorting |
| 09/18/1996 | EP0599863B1 Method and device for the detection and location of changes in a turbine component |
| 09/03/1996 | US5551297 Pipe clogging detecting device |
| 07/31/1996 | EP0724159A1 Analytical tachometers |
| 07/30/1996 | US5540590 Method for predicting human evaluation of latching and unlatching sounds |
| 07/25/1996 | CA2167900A1 Analytical tachometers |
| 07/24/1996 | EP0722562A1 Engine knock detection process |
| 07/24/1996 | CN1127551A Monitoring system for representing the states of vibration of a plurality of blades on a rotating wheel |
| 07/09/1996 | US5534967 Shake detection and compensation system using high-pass filter arithmetic means |
| 07/09/1996 | US5533383 Integrated acoustic leak detection processing system |
| 06/26/1996 | EP0718608A1 Method for analysing regularly excited mechanical vibrations |
| 06/25/1996 | US5530505 Vibration detection device and camera having vibration detection function |
| 06/19/1996 | CN1125010A Method and system for detecting and generating transient conditions in auditory signals |