公开(公告)号：US20080022773A1

公开(公告)日：2008-01-31

申请号：US11782229

申请日：2007-07-24

申请人： Mark McKenna ,  Joseph Heyman

发明人： Mark McKenna ,  Joseph Heyman

IPC分类号： G01N29/07 ,  G01H5/00 ,  G01L1/00

CPC分类号： G01N29/07 ,  G01H5/00 ,  G01N29/346 ,  G01N2291/02491 ,  G01N2291/02827

摘要： A material characteristic measurement approach measures an internal state of a material by measuring the nonlinear shift in velocity induced by different acoustic energies. The technology for implementing this measurement approach is relatively simple, robust, permits portable measurements, does not require that an unloaded initial condition of the material be measured or otherwise known in order to determine a characteristic of the material, can be applied using one or more transducers, and does not require physical contact with the material. Some example material characteristics include a residual stress existing without any external mechanical force applied, applied stress, a fatigue state, age, an interference-fit fastener stress, bio-activity, a nanostructure mixture of the material, a heat treatment of the material, a cross-linking of polymers in the material, a bio-growth organization of the material, a clotting factor of blood or blood-like material, a cure of an adhesive or sealant material, or the microstructure of the material.

摘要翻译： 材料特性测量方法通过测量由不同声能引起的速度的非线性偏移来测量材料的内部状态。 用于实施该测量方法的技术相对简单，稳健，允许便携式测量，不要求材料的未加载初始条件被测量或以其他方式被知道以便确定材料的特性，可以使用一个或多个 传感器，并且不需要与材料的物理接触。 一些示例性材料特征包括存在没有施加任何外部机械力的残余应力，施加的应力，疲劳状态，年龄，干涉配合紧固件应力，生物活性，材料的纳米结构混合物，材料的热处理， 材料中聚合物的交联，材料的生物生长组织，血液或血液样物质的凝血因子，粘合剂或密封剂材料的固化或材料的微观结构。

公开(公告)号：US20070016038A1

公开(公告)日：2007-01-18

申请号：US11429455

申请日：2006-05-04

申请人： John Lynch ,  Joseph Heyman ,  Mark McKenna

发明人： John Lynch ,  Joseph Heyman ,  Mark McKenna

IPC分类号： A61B8/00

CPC分类号： A61B8/0875 ,  A61B8/0808 ,  A61B8/485

摘要： A method of measuring bone strength under dynamic loading is provided using an ultrasonic probe wave sensor to sense a low-frequency pump wave and an ultrasonic probe wave implemented to the bone. The bone is cyclically loaded with compressional and rarefactional pump waves, and probed with the probe wave that is timed according to the pump wave to determine the wave velocity of the probe wave. Bone strength is interpreted by measuring wave velocity changes during the pump wave cycles. Ultrasonic velocity derivatives are used to determine bone third-order (nonlinear) elastic constants that are linked to bone strength. High-resolution second-order (linear) elastic constants are provided through measurement of absolute phase velocity. A pulsed phase lock loop is locked at intervals as the probe wave phase is modulated over 360 degrees providing probe wave harmonic numbers that are correlated with the pump wave frequency to determine the probe wave velocity.

摘要翻译： 使用超声波探头波传感器来测量在动态载荷下测量骨强度的方法，以感测实施到骨骼上的低频泵浦波和超声探针波。 骨骼循环加载有压缩和稀疏的泵浦波，并用根据泵波定时的探针波探测以确定探针波的波速。 通过在泵波周期期间测量波速度变化来解释骨强度。 超声波速度导数用于确定与骨强度相关的骨三阶（非线性）弹性常数。 通过测量绝对相速度提供高分辨率二阶（线性）弹性常数。 脉冲相位锁定环被间隔锁定，因为探测波相位被调制到360度以上，提供与泵浦波频率相关的探测波谐波数，以确定探测波速度。

公开(公告)号：US20060169029A1

公开(公告)日：2006-08-03

申请号：US11069665

申请日：2005-02-28

申请人： Joseph Heyman

发明人： Joseph Heyman

IPC分类号： G01M3/00

CPC分类号： G01V1/001

摘要： The present invention is directed towards an acoustic concealed item detector and related methods for detection using acoustics. In an illustrative embodiment, a multi-frequency ultrasonic wave generator generates in a gaseous medium at least first and second ultrasonic waves. The multi-frequency ultrasonic wave generator is arranged such that in operation, the first ultrasonic wave and the second ultrasonic wave mix in a prescribed mixing zone to produce a difference-frequency acoustic wave. A receiver sensor detects the difference-frequency acoustic wave and produces corresponding electromagnetic signals. The electromagnetic signals are processed by a system processor and signals indicative of concealed items are identified. Preferably the ultrasonic waves are focused to a small prescribed mixing zone. Parametric and multi-transducer embodiments are disclosed.

摘要翻译： 本发明涉及声学隐藏物品检测器和相关的使用声学检测的方法。 在说明性实施例中，多频超声波发生器在气态介质中产生至少第一和第二超声波。 多频超声波发生器被布置成使得在操作中，第一超声波和第二超声波在规定的混合区域中混合以产生差频声波。 接收器传感器检测差频声波并产生相应的电磁信号。 电磁信号由系统处理器处理，并且识别指示隐藏物品的信号。 优选地，超声波被聚焦到小规定的混合区域。 公开了参数和多换能器实施例。

公开(公告)号：US20050217388A1

公开(公告)日：2005-10-06

申请号：US10816667

申请日：2004-04-02

申请人： Joseph Heyman ,  John Lynch

发明人： Joseph Heyman ,  John Lynch

IPC分类号： G01N3/00 ,  G01N3/08 ,  G01N3/32

CPC分类号： G01N19/04 ,  G01N3/32 ,  G01N29/12 ,  G01N29/4427 ,  G01N2203/0075 ,  G01N2291/0231 ,  G01N2291/0258 ,  G01N2291/02827 ,  G01N2291/267

摘要： A bond strength tester and method for determining certain bond strength parameters of a bonded component, including a phaselocker, a transducer, a loading device that is capable of applying stress-loads to the bond, a controller for controlling the loading device, a data recording device to acquire data, and a computer device to analyze data calculating certain bond strength parameters.

摘要翻译： 一种粘合强度测试器和用于确定粘合部件的某些粘合强度参数的方法，包括：锁相器，换能器，能够对所述粘结施加应力负荷的加载装置，用于控制所述加载装置的控制器，数据记录 用于获取数据的装置，以及用于分析计算某些粘合强度参数的数据的计算机装置。

公开(公告)号：US20060203877A1

公开(公告)日：2006-09-14

申请号：US11372628

申请日：2006-03-09

申请人： Joseph Heyman ,  Eugene Malyarenko

发明人： Joseph Heyman ,  Eugene Malyarenko

IPC分类号： G01K11/22

CPC分类号： G01K11/24 ,  G01K11/22

摘要： Acoustic temperature measurement at a remote location is provided. An acoustic source transmits acoustic radiation to an acoustic receiver along an acoustic path. The path passes through or near the remote location. The temperature is non-uniform along the path. A change in an integrated acoustic delay between the source and receiver along the path is measured. This acoustic delay can be either a phase velocity delay or a group velocity delay. The temperature at the remote location is determined by relating the measured change in integrated acoustic delay to the remote location temperature with a combined thermal-acoustic model. The combined model relates temperature to acoustic propagation velocity along the path. The combined model preferably includes temperatures of the source and receiver locations, and a heat source geometry at the remote location.

摘要翻译： 提供远程位置的声温测量。 声源将声辐射沿着声学路径传送到声学接收器。 路径通过或靠近远程位置。 温度沿路径不均匀。 测量沿着路径的源和接收器之间的集成声学延迟的变化。 该声学延迟可以是相速度延迟或组速度延迟。 通过将测量的整体声学延迟的变化与远程位置温度的组合热声模型相关联来确定远程位置处的温度。 组合模型将温度与路径上的声传播速度相关联。 组合模型优选地包括源和接收器位置的温度，以及远程位置处的热源几何形状。

公开(公告)号：US20050072236A1

公开(公告)日：2005-04-07

申请号：US10860636

申请日：2004-06-04

申请人： Joseph Heyman ,  John Lynch

发明人： Joseph Heyman ,  John Lynch

IPC分类号： G01B20060101 ,  G01N3/00 ,  G01N3/32 ,  G01N29/00 ,  G01N29/02 ,  G01N29/04 ,  G01N29/07 ,  G01N29/11 ,  G01N29/22 ,  G01N29/30

CPC分类号： G01N29/30 ,  G01N29/07 ,  G01N29/11 ,  G01N29/227 ,  G01N2203/0016 ,  G01N2203/0023 ,  G01N2203/0062 ,  G01N2203/0075 ,  G01N2291/02491 ,  G01N2291/02827 ,  G01N2291/02881 ,  G01N2291/044 ,  G01N2291/048 ,  G01N2291/2623

摘要： An acoustic energy-based, non-contact or contact testing approach provides low cost, highly accurate, and reliable information to (a) identify flaws and anomalies and (b) assess the integrity of a particular material. This approach is not hindered by surface conditions or impediments, and indeed, looks beneath the surface of the material by propagating an acoustic wave through the material using two differential transducers. A dynamic differential measurement is made of the material under a load condition and an unloaded condition that allows identification and assessment of various characteristics of the material. Multiple “windows” of information may be generated that permit (a) direct detection of flaws, defects, and anomalies using a scattering technique, (b) detection of crack closure and opening used to assess the stability of the material, (c) determination of strain on the material which relates to its performance, and (d) determination of defect dynamics linked to the defect size and stability.

摘要翻译： 基于声能，非接触或接触测试方法提供低成本，高度准确和可靠的信息，以（a）识别缺陷和异常，以及（b）评估特定材料的完整性。 这种方法不受表面条件或障碍物的阻碍，实际上通过使用两个差分换能器将声波传播通过材料，在材料的表面下方。 在负载条件下的材料和允许识别和评估材料的各种特性的卸载条件下进行动态差分测量。 可以产生多个“窗口”的信息，其允许（a）使用散射技术直接检测缺陷，缺陷和异常，（b）检测用于评估材料的稳定性的裂纹闭合和打开，（c）确定 在与其性能有关的材料上的应变，（d）确定与缺陷尺寸和稳定性相关的缺陷动力学。

公开(公告)号：US20070062289A1

公开(公告)日：2007-03-22

申请号：US11513348

申请日：2006-08-31

申请人： Joseph Heyman ,  John Lynch

发明人： Joseph Heyman ,  John Lynch

IPC分类号： G01G9/00 ,  G01G19/03 ,  G01N29/07

CPC分类号： G01G19/022 ,  G01G9/00

摘要： Acoustic weight or mass sensing technology (referred to here as Acoustic Weigh In Motion (AWIN)) provides accurate weighing of any type of moving load moving over a load bearing medium. Acoustic transducers are affixed to or embedded in the load bearing medium. One or more source acoustic transducers propagate an acoustic wave over an acoustic path through the medium between the source and receiver transducers when the medium is in an unloaded state. The wave is detected at one or more receiving acoustic transducers. A propagation time delay is determined for the unloaded state. When a moving load travels over the acoustic path in the medium, the acoustic propagation time delay for that loaded state is determined. The difference between the acoustic propagation time delays for the unloaded and loaded states is determined. That acoustic propagation time delay difference is used to determine the weight or mass of the moving load.

摘要翻译： 声学重量或质量感测技术（这里称为Acoustic Weigh In Motion（AWIN））可精确称重在负载介质上移动的任何类型的移动负载。 声学换能器固定在或嵌入承载介质中。 当介质处于无负载状态时，一个或多个源声换能器在声波路径之间传播通过源和接收器换能器之间的介质的声波。 在一个或多个接收声学换能器处检测到波。 确定无载状态的传播时间延迟。 当移动的载荷在介质中的声学路径上行进时，确定该载荷状态的声学传播时间延迟。 确定无负载状态和负载状态的声传播时间延迟之间的差异。 声传播时间延迟差用于确定移动负载的重量或质量。