| Patents for G01H 5 - Measuring propagation velocity of ultrasonic, sonic or infrasonic waves (840) |
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| 01/07/2015 | CN104266738A 一维声速剖面仪及三维空间声速测量方法 One-dimensional and three-dimensional sound velocity profiler sound velocity measurement method |
| 12/24/2014 | CN102481144B 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 |
| 12/17/2014 | CN102998368B 一种用于软土原位剪切波速测试的贯入式探测器 A soft soil in situ shear wave velocity test penetration detectors |
| 11/18/2014 | US8892373 Method for determining the starting instant of a periodically oscillating signal response |
| 10/28/2014 | US8869620 Airborne ultrasonic sensor |
| 09/25/2014 | DE102004035715B4 Schalllaufzeitmessvorrichtung Sound propagation time measurement device |
| 08/13/2014 | CN203772405U 声速测量装置 Sound speed measurement device |
| 08/13/2014 | CN103983339A 一种测量不同温度下液体声速的实验装置 An experimental device liquids at different temperatures measured speed of sound |
| 08/12/2014 | CA2762454C Distributed acoustic sensing (das)-based flowmeter |
| 08/07/2014 | WO2014118729A1 Large aperture hydrophone for measurement or characterisation of acoustic fields |
| 07/24/2014 | US20140202249 Sensor positionig with non-dispersive guided waves for pipeline corrosion monitoring |
| 07/09/2014 | CN203706523U 声速测量实验仪 Sound speed measurement instrument |
| 07/02/2014 | CN102645267B 检测岩石类构件弹性波速度的方法和系统 Detection rocklike member elastic wave velocity method and system |
| 06/05/2014 | WO2014083790A1 Environment measuring system and environment measuring method |
| 05/21/2014 | CN203606022U 一种多介质温压可调的超声波传播特性测量装置 Ultrasonic wave propagation characteristics of a multi-media adjustable temperature and pressure measuring device |
| 05/14/2014 | CN101960273B 确定在声学流量计中的到达时间周波跳跃的模式的方法和系统 Acoustic flowmeter determines the arrival time cycle skip mode method and system |
| 05/07/2014 | CN102706436B 一种用于表面波波速检测的点聚焦超声换能器 A surface wave velocity detection point for the focused ultrasound transducer |
| 05/01/2014 | WO2014064678A1 Automatic mechanical system diagnosis |
| 05/01/2014 | US20140122000 Apparatus And A Method For Measuring In-Plane Elastic Constants For A Laminate |
| 04/16/2014 | CN102589656B Test method and measuring device for acoustic delay of gas ultrasonic flowmeter |
| 04/10/2014 | US20140096599 Method of and apparatus for determining a flow rate of a fluid and detecting non-fluid elements |
| 04/03/2014 | WO2014051030A1 Sensor device, vibration sensing system, sensor unit, information processing device, vibration sensing method, and program |
| 04/02/2014 | CN203519148U Ultrasonic sound velocity measurement device for measuring liquid density |
| 04/02/2014 | CN103697999A Method for acquiring micro seismic wave speed of high-stress hard rock TBM (Tunnel Boring Machine) construction tunnel in real time |
| 04/02/2014 | CN103697998A Multi-medium and temperature/pressure-adjustable ultrasonic propagation characteristic measuring device |
| 03/26/2014 | CN103674218A Method for measuring sound velocity in medium by using sound velocity instrument |
| 03/18/2014 | US8676534 Method for determining the rotation speed of a supercharger in an internal combustion engine |
| 02/27/2014 | WO2014029070A1 Apparatus for measuring sound velocity of gas-liquid two-phase flow |
| 02/27/2014 | US20140053650 Acoustic sensor |
| 02/12/2014 | CN103575378A Ultrasonic wedge and method for determining the speed of sound in same |
| 01/28/2014 | US8635914 Acoustic sensor system, acoustic signature simulator, and electrical distribution system |
| 01/16/2014 | DE102012212210A1 Verfahren und Vorrichtung zum Bestimmen einer Höhe eines Fluidniveaus in einem Fluidbehälter Method and apparatus for determining a height of a fluid level in a fluid reservoir |
| 01/14/2014 | US8627723 Digital sampling and zero crossing of acoustic signals of animals |
| 01/09/2014 | DE102012211848A1 Füllstandmessung Level Measurement |
| 01/08/2014 | EP2680756A1 Calculating the speed of ultrasound in at least two tissue types |
| 01/01/2014 | CN102539535B Method for non-contact wave velocity extraction of surface wave of anisotropic material |
| 12/18/2013 | EP1668352B1 Acoustic method for measuring a signal propagation time in blood and device for using this method |
| 11/27/2013 | CN103415259A Calculating the speed of ultrasound in at least two tissue types |
| 11/27/2013 | CN102749134B Method for measuring sound velocity by using water-filled impedance tube |
| 11/27/2013 | CN102608211B Method for testing transverse wave velocity of indoor compaction test piece |
| 11/20/2013 | CN102680071B Noise source identification method adopting vibration speed measurement and partial near-field acoustical holography method |
| 11/14/2013 | DE102012207732A1 Method for determining ultrasonic velocity of liquid contained in fuel tank that is utilized for operating vehicle, involves computing ultrasound velocity based on measured running time and calibrated distance of reference point |
| 11/06/2013 | CN102539536B Method for non-contact wave velocity extraction of Lamb wave of single-layer board |
| 11/05/2013 | CA2497157C Methods and apparatus for ultrasonic determination of red blood cell indices |
| 10/31/2013 | US20130283917 System and method for position monitoring using ultrasonic sensor |
| 10/30/2013 | CN102589673B Acoustic velocity measurement device and method for large-size elastic material |
| 10/24/2013 | US20130277776 Packaged MEMS Device and Method of Calibrating a Packaged MEMS Device |
| 10/23/2013 | CN102445709B Full frequency band velocity prediction model related to pore structure |
| 10/15/2013 | US8555726 Acoustic sensors for detecting shooter locations from an aircraft |
| 10/10/2013 | DE102004048633B4 Abgleich- bzw. Kalibriervorrichtung für wenigstens ein Sensorlager und Verfahren zum Abgleichen bzw. zur Kalibrierung der selben Balancing and calibration for at least one sensor bearing and method for trimming or calibration of the same |
| 10/09/2013 | CN102749622B Multiwave beam-based depth-sounding joint inversion method for sound velocity profile and seafloor topography |
| 09/25/2013 | EP2641064A1 Chordal gas flowmeter with transducers installed outside the pressure boundary, housing and method |
| 09/25/2013 | CN103328935A Chordal gas flowmeter with transducers installed outside the pressure boundary, housing and method |
| 09/18/2013 | CN103308142A Method and device for measuring speed and frequency of ultrasonic traveling wave in liquid |
| 09/10/2013 | US8528408 Passage detection apparatus of object |
| 08/28/2013 | CN102636249B Method for measuring acoustic velocity of material by using surface wave |
| 08/21/2013 | CN101943599B Method for measuring wave velocity of rock mass in front of working face in tunnel by using elastic wave reflection method |
| 07/31/2013 | CN101929604B Analytical prediction method for decompression wave of high-pressure gas transmission pipeline |
| 07/24/2013 | CN103217214A Method for separating sound field through double-faced vibration velocity measurement and partial acoustical holographic method |
| 07/23/2013 | US8494790 System and method for detecting structural damage |
| 07/10/2013 | CN103196539A Method and device of sound velocity measurement |
| 07/04/2013 | US20130173179 Method for predicting whether a wood product originated from a butt log |
| 07/04/2013 | US20130170320 Method and system for remote sound speed measurement |
| 06/27/2013 | US20130160556 Acoustic sensors for detecting shooter locations from an aircraft |
| 06/12/2013 | CN202994286U Fixture and measuring device for accurately measuring surface wave velocity of ferromagnetic material |
| 06/05/2013 | CN202976617U An acoustic velocity measuring experimental device based on a single chip microcomputer |
| 06/05/2013 | CN102410871B Indoor measuring device for shearing wave velocity of soil body |
| 06/04/2013 | US8453507 Acoustic assessment of characteristics of a fluid relevant to acoustic ejection |
| 05/16/2013 | US20130118261 Acoustic structural integrity monitoring system and method |
| 05/08/2013 | CN202928685U Fixed-distance acoustic velocity measuring experiment instrument |
| 05/08/2013 | CN103090959A Acoustic velocity measurement method and device of magnetorheological fluid ultrasonic wave |
| 05/07/2013 | US8434367 Acoustic sensor system, acoustic signature simulator, and electrical distribution system |
| 05/02/2013 | WO2013061384A1 Acoustic wave sensor |
| 04/17/2013 | CN102322936B Impact wave travel time parameter measuring method for single-path optical fiber and device |
| 04/10/2013 | CN202869637U Device for detecting supersonic wave transmission speed of supersonic wave flow detection |
| 04/10/2013 | CN103033153A Method for scanning ultrasonic microscope and meanwhile measuring mechanical property parameter of lamina material |
| 04/10/2013 | CN102096093B Method for calculating propagation speed of earthquake waves in mine region by utilizing microearthquake point as earthquake source |
| 04/03/2013 | CN202853736U Acoustic velocity determinator |
| 03/27/2013 | CN102998368A Through type detector for soft soil in situ shear wave velocity testing |
| 03/27/2013 | CN102997989A Method for measuring sound velocity of matching layer material |
| 03/13/2013 | CN202793575U Experimental apparatus for measuring sound velocity in air |
| 02/14/2013 | US20130036823 Digital sampling and zero crossing of acoustic signals of animals |
| 02/13/2013 | CN102928062A Clamp, measuring device and measuring method for accurately measuring ferro magnetic material surface wave sound velocity |
| 02/07/2013 | DE102012202189B3 Verfahren und Vorrichtung zur Wavelet basierten Laufzeitmessung von Ultraschallimpulsen Wavelet-based method and apparatus for run-time measurement of ultrasonic pulses |
| 02/06/2013 | CN202720044U Ultrasonic grating instrument |
| 02/06/2013 | CN102914355A Standing wave method sound velocity measuring experiment device |
| 02/06/2013 | CN102914333A Detection method of using ultrasonic waves for flow detection |
| 01/23/2013 | CN202694640U Ultrasonic wave sound speed measurement experiment instrument |
| 01/02/2013 | CN102853896A Method for estimating underwater acoustic sound velocity in network of acoustic nodes, storage means and device |
| 01/02/2013 | CN102853791A Method for scanning ultrasonic microscope and measuring thickness, sound velocity, density and attenuation of thin material simultaneously |
| 01/02/2013 | CN102175301B Device and method for accurately measuring propagation velocity of wave under different stress conditions |
| 12/27/2012 | US20120330108 Non-resistive contact electrosonic sensor systems |
| 12/26/2012 | CN101806615B Acoustic speedometer |
| 12/19/2012 | CN202614365U Soil elastic wave speed test piezoelectric sensor for centrifugal model test |
| 12/19/2012 | CN102830171A Rock mass test piece ultrasonic testing device |
| 12/19/2012 | CN102829830A Method and device used for detecting spreading speed of ultrasonic waves in ultrasonic flow detection |
| 12/19/2012 | CN101777954B Underwater sound channel effective sound velocity estimating method based on intrinsic sound ray visual search |
| 12/13/2012 | WO2005046443A3 Combination catheter devices, methods, and systems |
| 11/14/2012 | CN202533169U Temperature-controlled sound speed measuring instrument |
| 10/24/2012 | CN102749622A Multiwave beam-based depth-sounding joint inversion method for sound velocity profile and seafloor topography |