| Patents for G01H 5 - Measuring propagation velocity of ultrasonic, sonic or infrasonic waves (840) |
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| 10/23/2007 | US7286946 Transmission characteristic measuring device transmission characteristic measuring method, and amplifier |
| 10/04/2007 | WO2007067264A3 Determination of well shut-in time for curing resin-coated proppant particles |
| 09/27/2007 | US20070220976 Method and device for measuring operational density and/or operational sound velocity in a gaseous medium |
| 08/30/2007 | US20070199382 Information processing apparatus and earthquake monitoring method |
| 08/22/2007 | EP1428000A4 Apparatus for testing aramid fiber elevator cables |
| 08/16/2007 | US20070186624 Acoustic method for measuring a signal propagation time in a medical liquid and device for using this method |
| 08/02/2007 | US20070175281 Method and apparatus for checking a measuring situation in the case of a hearing apparatus |
| 07/25/2007 | EP1810016A1 Timber harvesting apparatus |
| 07/11/2007 | CN1995932A Sound velocity profile inversion method based on buoyage |
| 06/07/2007 | WO2006012635A3 Statistical estimation of ultrasonic propagation parameters for aberration correction |
| 04/19/2007 | US20070084286 Sensing apparatus and method |
| 03/29/2007 | US20070068257 Method of measuring the thickness of layers by surface waves |
| 03/14/2007 | CN2879144Y Experimental device for measuring sound-speed using sound suspending technology |
| 03/14/2007 | CN1928493A Device for measuring concrete member characters using acoustic wave and method for its use |
| 03/07/2007 | CN2876736Y Sound velocity testing experiment apparatus |
| 03/06/2007 | CA2428336C Method and system for determining the speed of sound in a fluid within a conduit |
| 03/01/2007 | WO2007025022A2 Non-contact ultrasound materials systems and measurement techniques |
| 03/01/2007 | US20070044561 Inspection of composite materials |
| 03/01/2007 | DE102005040192A1 Verfahren und Vorrichtung zur Erkennung von Quietschgeräuschen Method and apparatus for detection of squeal |
| 02/21/2007 | EP1754025A2 Determination of the reception time for an ultrasound signal by means of pulse shape detection |
| 02/15/2007 | DE10112078B4 Vorrichtung zur radioakustischen Fernmessung meteorologischer Größen Apparatus for radio-acoustic remote sensing of meteorological parameters |
| 02/14/2007 | CN2869813Y Solid-audio-frequency acoustic-speed measuring experiment device |
| 02/08/2007 | DE102005037841A1 Verfahren und Anordnung zur Bestimmung der relativen Lage eines ersten Objektes bezüglich eines zweiten Objektes, sowie ein entsprechendes Computerprogramm und ein entsprechendes computerlesbares Speichermedium Method and arrangement for determining the relative position of a first object relative to a second object, and a corresponding computer program and a corresponding computer-readable storage medium |
| 01/18/2007 | WO2007008428A2 Low-stress ultrasound transducer |
| 01/10/2007 | CN2856949Y Sonic wave speed detector for pipeline |
| 01/04/2007 | US20070000328 Ultrasonic method for the accurate measurement of crack height in dissimilar metal welds using phased array |
| 12/21/2006 | US20060283251 Non-destructive testing of pipes |
| 11/30/2006 | US20060266121 Systems and methods for non-contact measuring sputtering target thickness ultrasonics |
| 11/16/2006 | US20060259281 Method of detecting the position of a wave front in a signal received by a detector |
| 09/21/2006 | DE102005004786A1 Method involves protection within the range, continuous collection of data by means of a measuring transducer, collection of ambient parameter, continuous quantitative or quantitative comparing of the certain characteristics |
| 09/19/2006 | US7107851 Processing data, for improved, accuracy, from device for measuring speed of sound in a gas |
| 09/05/2006 | CA2428384C A method of and an apparatus for determining the speed of sound in a material |
| 08/31/2006 | US20060191342 Method for determining the sound velocity in a basic material, particularly for measuring the thickness of a wall |
| 08/23/2006 | CN2809607Y Sound wave characteristic measurer |
| 08/23/2006 | CN2809606Y Apparatus for measuring sound transmission speed in solid medium |
| 08/09/2006 | CN2804819Y Piezoelectric ceramic primary sample wave velocity measuring device mounted on consolidation meter |
| 07/27/2006 | DE102004061716A1 Structure-borne noise measurement device for motor vehicle, has retaining unit adapting to outer form of motor vehicle unit in such a manner that retaining unit is fixedly connected with vehicle unit during structure-borne noise measurement |
| 07/11/2006 | CA2136905C Measurement of stand-off distance and drilling fluid sound speed while drilling |
| 07/06/2006 | US20060144148 Apparatus and method for measuring a fluid flowing in a pipe using acoustic pressures |
| 06/27/2006 | CA2397171C Self-calibrated ultrasonic method of in-situ measurement of borehole fluid acoustic properties |
| 06/14/2006 | EP1668352A1 Acoustic method for measuring a signal propagation time in a medical liquid and device for using this method |
| 06/14/2006 | EP0975261B1 Ultrasound-based 3-d tracking system using a digital signal processor |
| 06/07/2006 | EP1663838A1 Apparatus for testing aramid fiber elevator cables |
| 06/01/2006 | WO2006057566A1 Tree stem or log appraising apparatus |
| 05/25/2006 | US20060108153 Device for measuring load in a vehicle |
| 05/18/2006 | US20060101916 Method and apparatus for ultrasound velocity measurements in drilling fluids |
| 05/11/2006 | WO2006049514A1 Timber harvesting apparatus |
| 05/11/2006 | US20060100809 Transmission characteristic measuring device transmission characteristic measuring method, and amplifier |
| 05/04/2006 | DE102004052845A1 Method of snoring noise suppression has noise field defined and active noise produced for suppression within defined area |
| 05/03/2006 | CN1766530A Method for measuring sound velocity in bone by two-way approach method |
| 04/20/2006 | DE102004048633A1 Adjustment or calibration device for sensor bearing(s) has force, temperature, sound in solids sensors, signal preprocessing arrangement with signal connection to electronic storage/computing unit of adjustment and calibration device |
| 04/06/2006 | DE102005037346A1 Ultraschallsensor Ultrasonic sensor |
| 02/23/2006 | DE102004038984A1 Vorrichtung zur Crashdetektion Device for crash detection |
| 02/22/2006 | EP1393025B1 Method for determining the mean speed of sound in a body of water |
| 02/21/2006 | US7002876 Acoustic-propagation-time measuring apparatus |
| 02/08/2006 | CN1731111A Experimental device for measuring solid audio frequency sound velocity |
| 02/02/2006 | US20060021438 Laser-ultrasonic detection of flip chip attachment defects |
| 01/05/2006 | DE102004026826A1 Verfahren zum Messen und/oder Regeln der Schwingungsamplitude eines Ultraschallschwingers sowie Ultraschallschweißvorrichtung A method for measuring and / or controlling the oscillation amplitude of an ultrasonic generator and ultrasonic welding apparatus |
| 12/14/2005 | EP0873516B1 Ultrasonic device for determining bone characteristics |
| 12/08/2005 | WO2005116593A1 Method for measuring and/or regulating the oscillation amplitude of an ultrasonic transmitter, and an ultrasonic welding device |
| 11/01/2005 | CA2310832C Method and device for detecting and making signal shapes coincidental, said shapes being convertible into monotone and constant trajectories in a section by section manner |
| 10/25/2005 | US6958041 Ultrasonic imaging device |
| 10/25/2005 | US6957700 Self-calibrated ultrasonic method of in-situ measurement of borehole fluid acoustic properties |
| 10/19/2005 | CN1223829C Sound wave sensor |
| 10/12/2005 | CN2733325Y Suspension type wave speed logging device |
| 10/12/2005 | CN1681607A Apparatus for hematocrit determination and method for its use |
| 10/12/2005 | CN1222772C Ultrasonic device for determining bone characteristics |
| 09/29/2005 | US20050216226 Method for determining physical properties of wood |
| 09/21/2005 | CN1670491A Method for detecting active sound wave in supersonic flow field |
| 09/20/2005 | CA2165260C Method for measuring the propagation velocity of ultrasonic acoustic waves through rock fragments |
| 09/01/2005 | DE102004019592A1 Sound proofing device, especially for a magnetic resonance tomograph, has numerous piezo-actuators controlled by acceleration sensors so that they minimize the vibration of a sound proofing wall to which they are attached |
| 08/17/2005 | EP1334345A4 System and method for determining particle size in particulate solids |
| 08/10/2005 | EP0966691B1 System for displaying a 2-d ultrasound image within a 3-d viewing environment |
| 08/03/2005 | CN2715129Y Driving frequency tester for ultrasonic operation apparatus |
| 08/02/2005 | US6923065 Apparatus for testing aramid fiber elevator cables |
| 06/29/2005 | EP1545802A1 Methods and apparatus for ultrasonic determination of red blood cell indices |
| 05/06/2005 | WO2005040028A1 Apparatus for testing aramid fiber elevator cables |
| 05/03/2005 | US6886412 Ultrasonic-wave propagation-time measuring method and gas concentration sensor |
| 04/07/2005 | US20050072234 System and method for detecting structural damage |
| 04/06/2005 | EP1032891B1 Method and device for detecting and making signal shapes coincidental, said shapes being convertible into monotone and constant trajectories in a section by section manner |
| 04/05/2005 | US6874361 Distributed flow properties wellbore measurement system |
| 03/31/2005 | WO2005029064A1 Acoustic method for measuring a signal propagation time in a medical liquid and device for using this method |
| 03/29/2005 | US6871545 System and method for measuring stiffness in standing trees |
| 03/01/2005 | CA2241545C Sonic data logging system |
| 02/24/2005 | DE102004003629A1 Mobile robot position detecting method, involves detecting position of robot based on calculated time difference between received infrared and ultrasonic signals and previously stored distance between ultrasonic wave generators |
| 02/23/2005 | EP1507476A1 Method, probe and apparatus for determining by ultrasonic process properties of an observed medium in particular the cortex of a bone |
| 02/23/2005 | EP1507475A1 Method, probe and apparatus for non-invasive evaluation of a travel time or speed of ultrasounds along an interface, in particular a bone interface |
| 02/10/2005 | US20050028579 Processing data, for improved accuracy, from device for measuring speed of sound in a gas |
| 02/10/2005 | DE10338940B3 Measuring ultrasonic signal transit time within a fluid flow, especially external blood flow in dialysis, with received signal scanned during at least one half-period to give contact points with a static level |
| 02/09/2005 | CN1576878A Method and apparatus for detecting position of mobile robot |
| 01/27/2005 | US20050021179 Method and apparatus for detecting position of mobile robot |
| 01/27/2005 | US20050018539 Acoustic-propagation-time measuring apparatus |
| 01/26/2005 | EP1501334A1 Transmission characteristic measuring device, transmission characteristic measuring method, and amplifier |
| 01/13/2005 | US20050005699 System and method for measuring stiffness in standing trees |
| 01/12/2005 | CN1563892A Amplitude detector for supersonic blade |
| 01/11/2005 | US6842716 Method and apparatus for measuring the propagation time of a signal, in particular a ultrasonic signal |
| 12/29/2004 | EP1491886A1 Apparatus and method for calibration and ultrasound inspection of cylindrical bodies |
| 12/15/2004 | CN2663949Y Ultrasonic liquid bath for measuring liquid sound velocity |
| 12/15/2004 | CN1180228C Determination of acoustic velocity in bone |
| 12/14/2004 | US6829940 Method and apparatus for measuring surface wave traveling time |