| Patents for G01H 11 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties (3,253) |
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| 11/26/2002 | CA2138066C Structure-borne sound detector for an intruder alarm system |
| 11/26/2002 | CA2131096C Movement sensor using mechanical vibrations |
| 11/20/2002 | EP1258713A2 Vibration monitoring system |
| 11/06/2002 | EP1254352A1 Downhole densitometer |
| 10/29/2002 | US6470751 Vibration detecting apparatus and method thereof |
| 10/22/2002 | US6469418 Vibration monitoring system and method |
| 10/17/2002 | WO2001075272A3 Turbine engine foreign object damage detection system |
| 10/17/2002 | US20020149070 MEMS based acoustic array |
| 10/16/2002 | EP0941457B1 Sensor for measuring acceleration and sound pressure |
| 10/15/2002 | US6465934 Piezoelectric/electrostrictive device |
| 10/09/2002 | CN1373864A System for autoamtically setting portable object with clock function |
| 10/03/2002 | WO2002077586A1 Vibration pickup for fixing to a vibration-producing component |
| 10/03/2002 | WO2002077566A1 Non intrusive and dynamic method for measuring a distance or the variation thereof through dielectrics |
| 10/03/2002 | US20020139308 Method of and a device for acoustically monitoring the course of a process, such as a milking process |
| 10/03/2002 | CA2439349A1 Non intrusive and dynamic method for measuring a distance or the variation thereof through dielectrics |
| 10/02/2002 | DE10114045A1 Schwingungsaufnehmer zur Befestigung an einem Schwingungen aufweisenden Bauteil Vibration sensor having for attachment to a vibrating member |
| 09/23/2002 | CA2342092A1 Non intrusive and dynamic method and system for measuring a distance or the variation thereof through dielectrics |
| 09/19/2002 | US20020130593 Piezoelectric transducer apparatus having independent gain and phase characteristics functions of the fourth-order partial differential equations |
| 09/19/2002 | US20020129771 Method of and a device for acoustically monitoring the course of a process, such as a milking process |
| 09/19/2002 | US20020129477 Method for making a sonoprobe |
| 09/19/2002 | DE10206146A1 Vibrationsnachweissystem eines elastischen Körpers und Vibrationskontakt-Nachweissonde Vibration detection system of an elastic body vibration and contact-detection probe |
| 09/18/2002 | EP1240514A2 Biological sensor |
| 09/18/2002 | EP1240489A1 Vibration pickup comprising a pressure sleeve |
| 09/18/2002 | EP1240478A2 Vibration sensor with a pressure housing |
| 09/10/2002 | US6449564 Apparatus and method for monitoring shaft cracking or incipient pinion slip in a geared system |
| 09/05/2002 | US20020121846 Piezoelectric transducer apparatus having independent gain and phase characteristics functions |
| 09/04/2002 | CN1367962A Sound communication system between portable unit and communication terminal |
| 09/04/2002 | CN1090319C 振动传感器 Vibration Sensor |
| 09/04/2002 | CN1090318C Composite structure resin cure monitoring using optical fiber grating sensor |
| 08/29/2002 | WO2002066995A1 Vibration measurement apparatus |
| 08/22/2002 | WO2002012843A3 High and low frequency band dual output transducer |
| 08/22/2002 | US20020113603 Method and apparatus using variable capacitance compensation for thickness shear mode sensors |
| 08/21/2002 | CN1089468C Vibration detector |
| 08/20/2002 | US6438243 Vibration wave detector |
| 08/15/2002 | US20020108446 Vibration detecting system of resilient body and vibrating contact detection probe |
| 08/13/2002 | US6431000 Method and apparatus for high cycle fatigue life test |
| 08/01/2002 | US20020100329 Vibration detecting apparatus |
| 07/23/2002 | US6422077 Ultrananocrystalline diamond cantilever wide dynamic range acceleration/vibration/pressure sensor |
| 07/18/2002 | WO2002042720A3 Inferential signal generator for instrumented equipment and processes |
| 07/16/2002 | CA2048688C Process and apparatus for measuring vibrations and particularly nervous tremors of living organisms |
| 07/11/2002 | US20020088284 Mass sensor and mass sensing method |
| 07/09/2002 | US6417560 Semiconductor device |
| 07/04/2002 | DE10064945A1 Arrangement for detection of body sound pulses transmitted along a wire or rail to determine the position of a body moving along the rail or wire in which echo pulses are suppressed and sound transfer to a detector optimized |
| 07/02/2002 | US6412131 Microelectromechanical mechanisms for real-time mechanical vibration signature monitoring and analysis |
| 06/27/2002 | WO2002050554A2 Impact transmitter for reciprocating machines |
| 06/27/2002 | US20020078753 Impact transmission for reciprocating machines |
| 06/26/2002 | CN1355420A Carrier method for measuring frequency of self oscillation and its application system |
| 06/25/2002 | CA2215365C Vibration dosimeter worn by an operator |
| 06/19/2002 | EP0720728B1 Two-wire constant current powered transducer |
| 06/12/2002 | EP1212832A1 Device and method for high-sensitivity resolution detection |
| 06/11/2002 | US6404106 Pressure tolerant transducer |
| 06/06/2002 | DE10058986A1 Impact sound sensor device for use in a motor vehicle has an oscillating weight to operate with a piezo element and a printed circuit board. |
| 06/05/2002 | CN1352358A Seal sensor process |
| 05/30/2002 | WO2002042720A2 Inferential signal generator for instrumented equipment and processes |
| 05/29/2002 | EP1207970A2 Electrostatic ultrasonic transducer and method of making the same |
| 05/28/2002 | US6393920 Sound pressure sensing device |
| 05/23/2002 | US20020062194 Apparatus and method for monitoring shaft cracking or incipient pinion slip in a geared system |
| 05/22/2002 | EP1206856A1 Sound communication system between a portable unit and a communication terminal |
| 05/22/2002 | EP1206729A1 System for automatically setting a portable object with a clock function |
| 05/22/2002 | CN1349877A Intelligent in-situ machine tool cutting flutter controlling method and system |
| 05/21/2002 | US6392330 Cylindrical ultrasound receivers and transceivers formed from piezoelectric film |
| 05/14/2002 | US6386053 Mass sensor and mass detection method |
| 04/30/2002 | US6381197 Aperture control and apodization in a micro-machined ultrasonic transducer |
| 04/30/2002 | US6378364 Downhole densitometer |
| 04/25/2002 | US20020048220 Wide frequency band micromachined capacitive microphone/hydrophone and method |
| 04/18/2002 | US20020043110 Mechano-electrical sensor |
| 04/16/2002 | US6373264 Impedance detection apparatus and method of physical variable |
| 04/16/2002 | US6370964 Diagnostic layer and methods for detecting structural integrity of composite and metallic materials |
| 04/10/2002 | EP0848806B1 A detector for detecting vibrations |
| 04/04/2002 | DE10044479A1 Schwingungsaufnehmer zur Befestigung an einem Schwingungen aufweisenden Bauteil Vibration sensor having for attachment to a vibrating member |
| 04/04/2002 | DE10044477A1 Schwingungsaufnehmer Vibration Sensors |
| 04/04/2002 | DE10044476A1 Schwingungsaufnehmer zur mittelbaren oder unmittelbaren Befestigung an einem Schwingungen aufweisenden Bauteil Vibration pickup to be indirectly or directly fastened to a vibrating component |
| 03/27/2002 | CN1081791C Vibration test sensor |
| 03/27/2002 | CN1081790C Vibration detecting sensor |
| 03/14/2002 | WO2002021094A1 Vibration pickup for fastening to a vibrating component part |
| 03/14/2002 | WO2002021093A1 Vibration sensor for fixing directly or indirectly to a vibrating component |
| 03/14/2002 | WO2002021092A1 Vibration and temperature sensor |
| 03/14/2002 | US20020030421 Two-way mechano-electric transducer |
| 03/13/2002 | EP1185839A2 Diagnostic layer and methods for detecting structural integrity of composite and metallic materials |
| 03/12/2002 | US6356511 Low distortion ratio hydrophone |
| 03/12/2002 | US6356077 Method of and device for determining a time-dependent gradient of a shock wave in a ferromagnetic element subjected to a percussion load |
| 03/07/2002 | WO2002018975A1 Geophone and method of manufacturing a geophone |
| 03/05/2002 | US6353789 Predicting broadband noise from a stator vane of a gas turbine engine |
| 02/27/2002 | EP0778942B1 Remote self-powered structure monitor |
| 02/20/2002 | CN1079534C Vibration receiving and mfg. method therefor |
| 02/14/2002 | WO2002012843A2 High and low frequency band dual output transducer |
| 02/14/2002 | WO2002012842A1 Vibration sensor and burglar alarm for notebook computer using the same |
| 02/14/2002 | US20020017835 High-sensitivity flexible ceramic sensor |
| 02/13/2002 | EP1072034B1 Contact element for an ultrasound sensor |
| 02/13/2002 | EP0862729B1 Composite structure resin cure monitoring using an optical fiber grating sensor |
| 02/07/2002 | WO2001044756A3 Vibration sensor with a pressure housing |
| 02/07/2002 | DE10031793C1 Piezoelektrischer Sensor A piezoelectric sensor |
| 01/24/2002 | US20020008527 Measuring circuit |
| 01/23/2002 | CN1078348C Oscillating receiver |
| 01/22/2002 | US6340347 Vibration displacement sensing device |
| 01/16/2002 | EP1057037B1 Knock sensor with low sensitivity dispersion |
| 01/08/2002 | US6336368 Method and apparatus for energy efficient tacking of resonant devices |
| 01/03/2002 | WO2002001167A1 A mechano-electrical sensor for sensing force or vibration |
| 01/03/2002 | WO2002000117A1 Two-way mechano-electrical transducer |
| 01/03/2002 | CA2413447A1 A mechano-electrical sensor for sensing force or vibration |