Patents for G01H 5 - Measuring propagation velocity of ultrasonic, sonic or infrasonic waves (840) |
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10/24/2012 | CN102749134A Method for measuring sound velocity by using water-filled impedance tube |
10/24/2012 | CN102128672B Method and device for measuring sound velocity of ultrasonic wave in liquid medium |
10/11/2012 | DE102011006984A1 Verfahren und Vorrichtung zur Auswertung von Körperschall bei einer Kollision eines Fahrzeugs Method and apparatus for evaluation of structure-borne sound of a collision of a vehicle |
10/03/2012 | CN102706436A Point focusing ultrasonic transducer used for detecting wave speed of surface wave |
10/02/2012 | CA2486732C Probe for measuring parameters of a flowing fluid and/or multiphase mixture |
09/20/2012 | US20120236299 High-speed on demand droplet generation and single cell encapsulation driven by induced cavitation |
09/20/2012 | US20120234096 Method and apparatus for checking an acoustic test fixture |
09/19/2012 | CN102680071A Noise source identification method adopting vibration speed measurement and partial near-field acoustical holography method |
09/12/2012 | EP2496136A1 Apparatus for measuring a level of a specific gas in exhaled breath |
09/07/2012 | WO2012117328A1 Calculating the speed of ultrasound in at least two tissue types |
09/06/2012 | DE202012007500U1 Vorrichtung zum Messen der Schallgeschwindigkeit in einer Gas-Flüssigkeits-Zweiphasenströmung An apparatus for measuring the speed of sound in a gas-liquid two-phase flow |
09/05/2012 | EP2494925A1 Calculating the speed of ultrasound in at least two tissue types |
08/30/2012 | US20120216619 Device for measuring sound source distribution in three-dimensional space |
08/30/2012 | DE102011004830A1 Method for measuring propagation velocity of sound waves in e.g. liquid medium, involves determining approximation of propagation velocity of sound waves in measuring section based on phase angles of sound waves |
08/22/2012 | CN202393489U Sound velocity tester with temperature meter |
08/22/2012 | CN102645267A Method and system for detecting elastic wave velocity of rock component |
08/22/2012 | CN102645266A Soil mass elastic wave velocity testing piezoelectric sensor for centrifugal model test |
08/16/2012 | US20120204647 Airborne ultrasonic sensor |
08/15/2012 | CN202382846U Frequency-conversion distance acoustic velocity measuring experimental device |
08/15/2012 | CN102636249A Method for measuring acoustic velocity of material by using surface wave |
08/09/2012 | US20120198937 Ultrasonic wave transmitter device, ultrasonic wave propagation time measurement system and ultrasonic wave propagation time measurement method |
07/25/2012 | CN202350913U Probe capable of simultaneously measuring multiple parameters of colloid |
07/25/2012 | CN102608211A Method for testing transverse wave velocity of indoor compaction test piece |
07/18/2012 | CN102596030A Apparatus for measuring a level of a specific gas in exhaled breath |
07/18/2012 | CN102589674A Experimental device for measuring sound velocity |
07/18/2012 | CN102589673A Acoustic velocity measurement device and method for large-size elastic material |
07/18/2012 | CN102589672A Method for continuously measuring acoustic wave velocity in rock compressed crack propagation measurement process |
07/18/2012 | CN102589671A Sound velocity measurement device for liquid |
07/18/2012 | CN102589656A Test method and measuring device for acoustic delay of gas ultrasonic flowmeter |
07/11/2012 | EP1507475B1 Method and probe for non-invasive evaluation of a travel time or speed of ultrasounds along an interface, in particular a bone interface |
07/11/2012 | CN202329796U 土体剪切波速室内测定装置 Indoor soil shear wave velocity measurement device |
07/05/2012 | US20120167691 Method for recording and reproducing pressure waves comprising direct quantification |
07/04/2012 | CN102539536A Method for non-contact wave velocity extraction of Lamb wave of single-layer board |
07/04/2012 | CN102539535A Method for non-contact wave velocity extraction of surface wave of anisotropic material |
06/28/2012 | US20120166135 Method for Determining a Physical Parameter, Imaging Method, and Device for Implementing Said Method |
06/28/2012 | DE102010063937A1 Method for determining run time of ultrasonic pulse, involves transforming wavelet from separated ultrasonic pulse and reference pulse based on generated wavelet, and determining run time of ultrasonic pulse from wavelet transformation |
06/27/2012 | CN102519572A Sound velocity determining instrument with temperature indicator |
06/20/2012 | CN202282092U Acoustic levitation and velocity measuring experimental instrument |
06/17/2012 | CA2762454A1 Distributed acoustic sensing (das)-based flowmeter |
05/30/2012 | CN202255615U Device for measuring sound speed of gas and liquid two-phase flow |
05/30/2012 | CN102481144A 用于确定介质特征的超声方法和装置 Ultrasound is used to determine the dielectric characteristics of the method and apparatus |
05/24/2012 | WO2012067748A2 Ultrasonic level sensor for aerated fluids |
05/24/2012 | WO2012067637A1 Chordal gas flowmeter with transducers installed outside the pressure boundary, housing and method |
05/10/2012 | US20120111116 Ultrasound method and device for characterizing an environment |
05/09/2012 | CN102445709A Full frequency band velocity prediction model related to pore structure |
05/08/2012 | US8171798 Acoustic liquid dispensing apparatus |
05/02/2012 | CN102435295A Method for detecting elastic wave velocity of tunnel surrounding rock body |
04/26/2012 | WO2012054605A2 Electrical system, method, and apparatus of fingerprint sensor using acoustic impediography |
04/26/2012 | CA2814812A1 Electrical system, method, and apparatus of fingerprint sensor using acoustic impediography |
04/19/2012 | US20120092026 Electrical System, Method, and Apparatus of Fingerprint Sensor Using Acoustic Impediography |
04/19/2012 | US20120090396 Acoustic sensor system, acoustic signature simulator, and electrical distribution system |
04/18/2012 | EP2440140A1 Ultrasound method and device for characterizing an environment |
04/11/2012 | CN102410873A 一种同时测量胶体多项参数的探针 A simultaneous measurement of various parameters of the colloidal probe |
04/11/2012 | CN102410871A 土体剪切波速室内测定装置 Indoor soil shear wave velocity measurement device |
04/04/2012 | EP2435806A1 Method and system for remote sound speed measurement |
03/15/2012 | US20120066168 Occupancy pattern detection, estimation and prediction |
03/06/2012 | US8127611 Timber harvesting apparatus |
02/23/2012 | DE102010039606A1 Method for operating ultrasonic flow meter for determining volume flow rate and mass flow rate in pipeline in process-and automation engineering, involves superimposing and acoustically rectifying two acoustic signals |
02/09/2012 | US20120034103 Method and apparatus for monitoring of esp |
01/26/2012 | DE102004003630B4 Verfahren und Vorrichtung zum Erfassen der Position eines mobilen Roboters Method and apparatus for detecting the position of a mobile robot |
01/24/2012 | US8100013 Passage detection apparatus of object |
01/18/2012 | CN202119527U Liquid acoustic speed measurement device |
01/18/2012 | CN102322936A Impact wave travel time parameter measuring method for single-path optical fiber and device |
01/12/2012 | US20120010848 Method for determining the rotation speed of a supercharger in an internal combustion engine |
01/11/2012 | CN202109979U Three-dimensional integrated vibration velocity sensing device |
12/21/2011 | CN102288277A 一种钻井泥浆声速测量装置及其测量方法 One kind of drilling mud sound speed measurement device and measurement methods |
11/22/2011 | US8061206 Casing thickness evaluation method |
11/09/2011 | CN202033100U Multifunctional acoustic velocity measuring instrument |
09/28/2011 | CN102203601A Method for determining the starting instant of a periodically oscillating signal response |
09/14/2011 | CN101915602B Method for measuring sound velocities in elastic solids |
09/14/2011 | CN101650218B Silicon micro-capacitance type three-dimensional vector-phase receiver with double-layer structure |
09/07/2011 | CN201965818U 一种新型声速测定仪 A new sonic tester |
09/07/2011 | CN102175301A Device and method for accurately measuring propagation velocity of wave under different stress conditions |
08/17/2011 | EP2356440A1 Method for determining the starting instant of a periodically oscillating signal response |
08/10/2011 | CN201926495U 流体声速测量装置 Fluid sound speed measurement device |
07/20/2011 | CN102132170A Apparatus and method for locating object in pipeline |
07/20/2011 | CN102128672A Method and device for measuring sound velocity of ultrasonic wave in liquid medium |
07/07/2011 | US20110163298 Graphene and Hexagonal Boron Nitride Devices |
06/15/2011 | CN102096093A Method for calculating propagation speed of earthquake waves in mine region by utilizing microearthquake point as earthquake source |
06/08/2011 | CN201859007U Variable temperature sound velocity determinator |
05/24/2011 | US7946177 Method for detecting deviation in crystallographic orientation in a metal structure |
05/12/2011 | WO2011055286A1 Apparatus for measuring a level of a specific gas in exhaled breath |
05/11/2011 | CN101718579B Method and system for measuring shear wave velocity of rock soil |
05/10/2011 | US7938006 Non-contact ultrasound materials systems and measurement techniques |
05/04/2011 | CN102042948A Device for testing hydrate acoustic properties |
03/24/2011 | DE102009047940B3 Method for determining sound velocity in region of acoustic receiver attached at e.g. research ship during measuring surface profile of waterbody base, involves comparing profiles and determining value for sound velocity based on results |
03/23/2011 | EP2297591A1 Apparatus and method to locate an object in a pipeline |
03/16/2011 | CN101566495B Method for sound field separation by double plane vibration speed measurement and two dimensional space Fourier transform |
02/16/2011 | CN201749073U Hydrate acoustical characteristic testing device |
01/26/2011 | CN201724733U Shear wave velocity detector for triaxial apparatus |
01/26/2011 | CN101960273A Method and system of determining a pattern of arrival time cycle skip in an acoustic flow meter |
01/19/2011 | CN101413823B Portable piezoelectric ceramic bending element soil body shear wave speed test device |
01/12/2011 | CN1766530B Method for measuring sound velocity in bone by two-way approach method |
01/12/2011 | CN101943599A Method for measuring wave velocity of rock mass in front of working face in tunnel by using elastic wave reflection method |
01/11/2011 | US7868240 Signal processing apparatus and signal processing method, program, and recording medium |
01/04/2011 | CA2538128C Apparatus for testing aramid fiber elevator cables |
12/29/2010 | CN101929604A Analytical prediction method for decompression wave of high-pressure gas transmission pipeline |
12/28/2010 | US7856881 Determining average mechanical properties of constituent particles of a sample of material using ultrasound |
12/16/2010 | WO2010142927A1 Ultrasound method and device for characterizing an environment |
12/16/2010 | CA2765203A1 Ultrasound method and device for characterizing an environment |