| Patents for G01H 1 - Measuring vibrations in solids by using direct conduction to the detector (4,000) | 
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| 12/09/1993 | DE4235809C1 Vehicle sensor system for detecting surface water on road - uses base-plate with acceleration sensor at rear detecting impact of surface water thrown up by adjacent vehicle wheel | 
| 12/08/1993 | EP0573388A1 Generating device for characteristic signals of the displacement of a closure means | 
| 12/07/1993 | CA1324893C Vibration transducer mounting | 
| 12/01/1993 | EP0572349A1 Combined force-, strain and sound emission transducer | 
| 11/30/1993 | US5265619 Process and device for measuring vibrations, in particular nervous trembling in living organisms | 
| 11/18/1993 | EP0570229A2 Abnormal sound detecting apparatus | 
| 11/18/1993 | EP0570064A1 Method of positioning an object on a carrier, device suitable for carrying out this method, and suction tube suitable for use in the device | 
| 11/02/1993 | US5258923 System and method for detecting the occurrence, location and depth of cracks in turbine-generator rotors | 
| 11/02/1993 | US5257531 Apparatus for monitoring machining state of drill | 
| 10/29/1993 | CA2094981A1 Shrouded blade vibration monitor target | 
| 10/28/1993 | WO1993021502A1 System and method for monitoring torsional vibrations and operating parameters of rotating shafts | 
| 10/28/1993 | DE4213221A1 Detecting moisture on road surface from vehicle - detecting water spray noise or wheel rolling noise, bandpass filtering, forming effective value, low-pass filtering, compensating for other parameters e.g. speed or tyre pressure and relating to wetness. | 
| 10/26/1993 | US5255566 Bearing construction and vibration detecting apparatus | 
| 10/26/1993 | US5255565 Method and apparatus for monitoring multiple points on a vibrating structure | 
| 10/19/1993 | US5253531 System and method for monitoring torsional vibrations and operating parameters of rotating shafts | 
| 10/05/1993 | US5251151 From a vibrational signal | 
| 09/28/1993 | US5248857 Apparatus for the acquisition of a seismic signal transmitted by a rotating drill bit | 
| 09/23/1993 | DE4306243A1 Hardness test method - using ultrasonic contact, with hard body on vibrated rod, and measuring with body in and not in contact with test material | 
| 09/08/1993 | EP0558843A1 Device for measuring vibration of a rotating blade | 
| 09/08/1993 | CN1022064C Turbine generator shaft torsion monitor | 
| 08/31/1993 | US5239869 Acceleration detector | 
| 07/20/1993 | US5228331 Viscometer | 
| 07/07/1993 | EP0550254A2 Method of determining drillstring bottom hole assembly vibrations | 
| 07/06/1993 | US5224835 Shaft bearing wear detector | 
| 07/06/1993 | CA1319993C Shaft torsional vibration monitor for a multi-mass rotary shaft system | 
| 07/04/1993 | CA2084142A1 Method of determining drillstring bottom hole assembly vibrations | 
| 06/23/1993 | CN2136979Y Electronic audiomonitor for mechanical noise | 
| 06/22/1993 | CA1319279C Sensor probe system | 
| 06/09/1993 | EP0545244A1 Electronic transport monitoring device | 
| 06/01/1993 | US5214960 Method and apparatus for detecting defects in an object by vibrating the object in a plurality of positions | 
| 06/01/1993 | CA1318723C Method and apparatus for observing operating state of mechanical seal | 
| 05/27/1993 | WO1993010448A1 Method and apparatus for monitoring multiple points on a vibrating structure | 
| 05/13/1993 | DE4203190C1 Regulation and quality assessing of welding esp. spot welding - has ultrasonic detecting probe attached to welding electrode to record noise emission level at weld location | 
| 05/12/1993 | EP0541277A2 Integrated vibration reducing and structural health and usage monitoring system for a helicopter | 
| 05/11/1993 | US5210704 System for prognosis and diagnostics of failure and wearout monitoring and for prediction of life expectancy of helicopter gearboxes and other rotating equipment | 
| 05/05/1993 | CN2132172Y Super-low freq. cycle tester | 
| 04/28/1993 | CN2131196Y Mechanical Vibration protection switch | 
| 04/27/1993 | US5206816 System and method for monitoring synchronous blade vibration | 
| 04/13/1993 | US5201227 Device for measuring vibrations on rotating blade | 
| 04/01/1993 | WO1993006447A1 Method and device for monitoring the mechanical condition of rotating machines | 
| 03/03/1993 | EP0467980B1 Process and device for measuring vibrations, in particular nervous trembling in living organisms | 
| 01/28/1993 | DE4124302A1 Detecting and evaluating vibration sources in machinery - dividing into frequency bands, rectifying, smoothing, and feeding large amplitude signals or dynamically varying signals to regulator for acoustic or visual indication | 
| 01/06/1993 | CN1067735A Failure diagnosing system for intelligent mechanical ear | 
| 01/05/1993 | US5176032 Method and apparatus for processing electrical signals and a stress wave sensor | 
| 12/23/1992 | CN1067312A Time base variable conductance analyzing technique with pulse excitation and system response | 
| 12/17/1992 | DE4219318A1 Measuring contact angle of ball bearing roller elements - measuring vibrations of inner or outer bearing ring whilst one ring is rotating and other is stationary | 
| 12/15/1992 | US5170668 Unit for measuring or other device | 
| 12/10/1992 | DE4118989A1 Determining state of encapsulated drive mechanisms, e.g. for periodic checking - detecting noise, digitising signal, storing as data pattern and comparing with reference pattern | 
| 12/01/1992 | CA1311030C Turbine blade vibration detection system | 
| 11/25/1992 | CN2123066U Vibrating wave conduction resonance sensor | 
| 11/19/1992 | DE4116345A1 Early detection of damage in rotary machine - using single acoustic pick=up to measure structure-borne sound parameters in high and low frequency bands for calculation of coherence function | 
| 11/17/1992 | US5163334 Circular saw testing technique | 
| 11/03/1992 | CA1309576C Double eccentric mount | 
| 10/28/1992 | CN1018862B Apparatus for precise detection of blade passing times | 
| 10/20/1992 | US5156822 Vibration detector and method for a rotating shaft | 
| 10/15/1992 | DE4111684A1 Vibration measurer for electric motor - includes accelerometer attached directly to pick=up on arm of cantilever supporting resiliently-suspended motor casing | 
| 10/15/1992 | DE4111429A1 Spinning station test - registers oscillation of rotating components for comparison with nominal values | 
| 10/14/1992 | EP0508683A1 Bearing assembly | 
| 10/07/1992 | CN1065139A Earthquake type low-frequency vibration measuring device | 
| 10/06/1992 | US5152172 Operating turbine resonant blade monitor | 
| 09/29/1992 | US5150618 Acoustic bearing defect detector | 
| 09/22/1992 | US5148711 Apparatus and method for removing common mode vibration data from digital turbine blade vibration data | 
| 09/08/1992 | US5144840 Vibration detector and method for rotating shaft | 
| 09/03/1992 | WO1992015003A1 Method and device for testing motors for bearing damage and/or unallowable vibrations | 
| 08/26/1992 | EP0500368A1 Survival detection system | 
| 08/26/1992 | CA2061754A1 Survival seismic detection system having improved tunable filter | 
| 08/25/1992 | US5140858 Method for predicting destruction of a bearing utilizing a rolling-fatigue-related frequency range of AE signals | 
| 08/20/1992 | DE4104961A1 Verfahren und vorrichtung zur pruefung von motoren auf lagerschaeden und/oder unzulaessige vibrationen Method and apparatus for testing engines stock-skin eden and / or vibration Impermissible | 
| 08/12/1992 | CN2112812U Electronic vibration sensor | 
| 07/28/1992 | US5134591 Survival seismic detection system having improved tunable filter | 
| 07/05/1992 | WO1992012441A1 Sensor for detecting vibration in two orthogonal directions | 
| 07/05/1992 | CA2081362A1 Two orthogonal directions vibration sensor | 
| 07/01/1992 | CN2108928U Thundering vibration detector | 
| 06/09/1992 | CA1303176C Method for eliminating sensor drift in a vibration monitoring system | 
| 05/26/1992 | USRE33937 Active vibration isolation system | 
| 05/26/1992 | US5117148 Vibrator | 
| 05/26/1992 | US5115778 Apparatus for controlling an internal combustion engine | 
| 05/26/1992 | US5115671 Method and apparatus for analyzing rotating machines | 
| 05/21/1992 | DE4036713A1 Vehicle speed signalling using tachometer shaft noise - using noise sensor whose signal is analysed to detect conspicuously strongly occurring frequency | 
| 05/12/1992 | US5111704 Apparatus and method for simulating blade pass sensor signals | 
| 05/05/1992 | US5109700 Method and apparatus for analyzing rotating machines | 
| 04/30/1992 | CA2053574A1 Shrouded turbine blade vibration monitor and target therefor | 
| 04/16/1992 | DE4032299A1 Monitoring rotatable component esp. rotor shaft - time-dependently measuring oscillatory path of component in radial direction and rotary position | 
| 04/01/1992 | EP0478529A2 Arrangement for the control of condition parameters of a drive determined by torsional vibrations | 
| 03/31/1992 | CA1298394C Method of determining drill bit wear | 
| 03/24/1992 | US5097711 Shrouded turbine blade vibration monitor and target therefor | 
| 03/22/1992 | CA2051907A1 Direct mount system for a fluid sampling pump and method | 
| 03/10/1992 | US5094107 Press vibration severity/reliability monitoring system and method | 
| 02/06/1992 | WO1992001909A1 Device for vibration monitoring of machines | 
| 01/29/1992 | EP0468547A2 Active vibration isolation system | 
| 01/29/1992 | EP0467980A1 Process and device for measuring vibrations, in particular nervous trembling in living organisms. | 
| 01/28/1992 | US5083462 Process and device for detecting defects in moving parts having a central rotating shaft | 
| 01/28/1992 | CA1295033C Monitoring of exciter shaft torsional vibrations | 
| 01/21/1992 | CA1294699C Non-destructive evaluation of ropes by using transverse impulse vibrational wave method | 
| 01/15/1992 | EP0465696A1 An operating turbine resonant blade monitor | 
| 01/08/1992 | CN2092785U Display alarm for the use of vibration and temp. | 
| 01/07/1992 | US5078013 Ultrasonic measuring apparatus using a high-damping probe | 
| 01/01/1992 | CN1015275B Installation of sensor for turbine | 
| 12/26/1991 | WO1991019963A1 Device for detecting damages to turbine blades | 
| 12/19/1991 | DE4019000A1 Turbine mit einer welle und daran befestigten turbinenschaufeln Turbine with a shaft and secured thereto turbine blades |