| 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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| 08/06/1997 | EP0787980A2 Measuring a load on a part and monitoring the integrity of the part |
| 07/24/1997 | WO1997026513A1 Pressure wave sensor |
| 07/24/1997 | DE19602048A1 Druckwellensensor Pressure wave sensor |
| 07/16/1997 | EP0783670A1 Electromechanical transducer |
| 07/15/1997 | US5647579 Control type vibro-isolating support |
| 07/08/1997 | US5646470 Acoustic transducer |
| 07/03/1997 | DE19548882A1 Apparatus for generating or receiving very short sound pulses |
| 06/24/1997 | US5642332 Piezoelectric ceramic crystal sandwiched between two circular metal plates having epoxy wicking barrier and flexing stop and bonded by low temperature curing conductive epoxy adhesive |
| 06/24/1997 | US5642015 Elastomeric micro electro mechanical systems |
| 06/18/1997 | EP0778942A1 Remote self-powered structure monitor |
| 06/17/1997 | US5639958 Device and a method for localizing leakages in conduit networks |
| 06/03/1997 | US5635629 Knock sensor |
| 05/29/1997 | WO1997019325A1 Composite structure resin cure monitoring using an optical fiber grating sensor |
| 05/28/1997 | EP0629155B1 Movement sensor using mechanical vibrations |
| 05/27/1997 | US5632093 Inductive sensor and method for detecting displacement of a body |
| 05/15/1997 | WO1997013163A3 Acoustic transducer |
| 05/14/1997 | EP0773444A1 Acceleration sensor |
| 05/13/1997 | US5629243 Preloaded linear beam vibration sensor and its manufacturing method |
| 05/07/1997 | EP0594796B1 Knock sensor |
| 04/17/1997 | WO1997014024A1 Encapsulated transducer and method of manufacture |
| 04/17/1997 | WO1997014023A1 Encapsulated transducer with an alignment plug and method of manufacture |
| 04/17/1997 | WO1997014022A1 Encapsulated transducer with sleeve and component alignment |
| 04/16/1997 | EP0768533A1 Differential charge amplifier for piezoelectric sensor |
| 04/10/1997 | WO1997013163A2 Acoustic transducer |
| 04/10/1997 | WO1997013127A1 Mechanical signal processor based on micromechanical oscillators and intelligent acoustic detectors and systems based thereon |
| 04/09/1997 | EP0720728A4 Two-wire constant current powered transducer |
| 04/09/1997 | CN1147087A Pressure sleeve |
| 04/02/1997 | EP0765590A1 Ultrasonic transducer and method for making same |
| 04/01/1997 | US5616514 Method of fabricating a micromechanical sensor |
| 03/26/1997 | CN1145988A Pressure sleeve with thread ring |
| 03/19/1997 | CN2249894Y Tri-component transducer for laboratory |
| 03/06/1997 | WO1997008522A1 A detector for detecting vibrations |
| 02/27/1997 | WO1997007495A1 Method for adjusting automotive horns |
| 02/18/1997 | US5604313 Varying apparent mass accelerometer |
| 02/11/1997 | US5602529 Structure-borne sound detector for an intruder alarm system |
| 01/28/1997 | US5598380 Composite wall, notably motor vehicle windshield, including an ultrasonic device for detecting the presence of foreign bodies on one of its faces |
| 01/21/1997 | US5596222 Wafer of transducer chips |
| 12/05/1996 | WO1996038732A1 Acceleration sensor |
| 12/03/1996 | US5581232 Ultrasonic wave reception apparatus and obstacle detection apparatus |
| 12/03/1996 | US5581143 Twist vibrator |
| 12/03/1996 | US5581021 Method and apparatus for optimizing piezoelectric surface asperity detection sensor |
| 11/07/1996 | WO1996034701A1 Elastomeric micro electromechanical systems |
| 10/30/1996 | EP0740140A2 Vibration evaluation method for rotary body in static field |
| 10/29/1996 | US5569854 Apparatus and method for transmitting and receiving ultrasonic waves having an acoustoelectric, ultrasonic transducer |
| 10/22/1996 | US5568005 Acoustic-magnetic power generator |
| 10/22/1996 | US5566573 Capacitive acoustic wave detector and method of using same |
| 10/10/1996 | DE19542729C1 Oscillation detector having piezoceramic element and seismic mass esp. for knock detection in combustion engine |
| 09/26/1996 | WO1996029581A1 Vibration dosimeter worn by an operator |
| 09/26/1996 | WO1996026455A3 Inductive sensor and method for detecting displacement of a body |
| 09/12/1996 | WO1996027407A1 Package integrated accelerometer |
| 09/12/1996 | CA2214023A1 Package integrated accelerometer |
| 08/29/1996 | WO1996026455A2 Inductive sensor and method for detecting displacement of a body |
| 08/29/1996 | DE19524148C1 Vibration receiver for motor engine block |
| 08/28/1996 | CN1129979A Vibration sensor and navigation apparatus |
| 07/30/1996 | US5541894 Low distortion hydrophone |
| 07/30/1996 | US5541892 Piezoelectric sensor and coordinate input apparatus employing the same |
| 07/24/1996 | CN1127551A Monitoring system for representing the states of vibration of a plurality of blades on a rotating wheel |
| 07/10/1996 | EP0720728A1 Two-wire constant current powered transducer |
| 07/03/1996 | EP0719404A1 Sensor system |
| 07/02/1996 | US5532538 Sensing and signal processing devices using quasi-SH (shear horizontal) acoustic waves |
| 06/19/1996 | EP0716628A1 Disposable acoustic pad sensors |
| 05/23/1996 | DE19524152C1 Vibration pick=up e.g. for IC engine knock sensor |
| 05/22/1996 | EP0662213A4 System for detecting wood-destroying insect infestations in wood. |
| 05/09/1996 | WO1996013869A1 Microfabricated acoustic source and receiver |
| 05/08/1996 | EP0710822A1 Piezoelectric vibration sensor |
| 05/08/1996 | EP0710355A1 Monitoring system for representing the states of vibration of a plurality of blades on a rotating wheel |
| 05/01/1996 | EP0708689A1 High pressure low impedance electrostatic transducer |
| 04/24/1996 | EP0707781A1 Solid state condenser and microphone devices |
| 04/10/1996 | EP0706036A2 Apparatus and method for transmitting and receiving ultrasonic waves having an acoustoelectric, ultrasonic transducer |
| 04/05/1996 | CA2159756A1 Apparatus and method for transmitting and receiving ultrasonic waves having an acoustoelectric, ultrasonic transducer |
| 03/27/1996 | EP0519051B1 Sensor for detecting vibration in two orthogonal directions |
| 03/26/1996 | US5502379 Sensor for measuring the swing of a cable including a crown with permanent magnets secured to the cable |
| 03/21/1996 | WO1996008701A1 Electromechanical transducer |
| 03/07/1996 | WO1996007095A1 Remote self-powered structure monitor |
| 03/07/1996 | CA2198737A1 Remote self-powered structure monitor |
| 03/05/1996 | US5495766 Ultrasonic sensor |
| 03/05/1996 | US5495759 Detecting circuit which suppresses a drift signal |
| 02/28/1996 | CN1117469A Device for detecting rock of car of elevator |
| 02/22/1996 | WO1996005617A1 Improved wafer and method of making same |
| 02/21/1996 | EP0697588A2 Procedure and device for analyzing the sound of solid structures |
| 02/20/1996 | US5493511 High speed thin plate fatigue crack monitor |
| 02/20/1996 | US5492014 Ultrasonic transducer for monitoring acoustic emissions |
| 02/15/1996 | WO1996004531A1 A device for measuring absolute vibrations |
| 02/15/1996 | DE4428519A1 Measuring or representing of shear vibration or shear wave fields in solid body |
| 02/08/1996 | DE19522543A1 Piezoelectric measuring sensor system for roller bearings |
| 02/07/1996 | CN1116298A Absolute amplitude sensor |
| 02/06/1996 | US5490220 Solid state condenser and microphone devices |
| 02/05/1996 | CA2149991A1 Multichannel equipment for signal acquisition from vibration transducers |
| 01/31/1996 | EP0694145A1 A device and a method for localizing leakages in conduit networks |
| 01/18/1996 | DE4424635A1 Micro-mechanical acceleration sensor which has sensor which has seismic mass |
| 12/28/1995 | WO1995035642A1 Ultrasonic transducer and method for making same |
| 12/28/1995 | WO1995035485A1 Vibration sensor and navigation apparatus |
| 12/26/1995 | US5477735 Two-wire constant current powered transducer |
| 12/26/1995 | US5477729 Acoustic emission transducer |
| 12/20/1995 | CN1113567A Structure-borne sound detector for an intruder alarm system |
| 11/16/1995 | WO1995031082A1 Solid state condenser and microphone devices |
| 11/14/1995 | US5465625 Heat measurement apparatus for inspecting therapeutic energy waves |
| 10/10/1995 | US5457640 Method of checking condensate dischargers |
| 10/04/1995 | EP0675669A1 Magnetoresistive microphone and acoustic sensing devices |
| 10/04/1995 | CN1109585A An inference device for discriminating a certain oscillation |