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