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    • 35. 发明授权
    • Ultrasonic phase reflectoscope
    • 超声波相位镜
    • US4702112A
    • 1987-10-27
    • US764912
    • 1985-08-12
    • William E. LawrieThomas Powers, Jr.Joseph W. Brophy
    • William E. LawrieThomas Powers, Jr.Joseph W. Brophy
    • G01N29/44G01N29/06G01N29/34G01N29/36G01S7/52G01N29/04
    • G01S7/52057G01N29/0618G01N29/343G01N29/348G01N29/36G01N29/4454G01S7/5203G01N2291/044
    • An ultrasonic apparatus and method for testing a material comprises an oscillator which generates a selected frequency in the ultrasonic range. A transducer is connected to the oscillator for applying an ultrasonic signal to the material and for receiving an echo signal back from the material. Two phase detectors are utilized one of which receives the echo signal and an in-phase oscillator signal to generate a first display signal, and the other of which receives a quadrature signal which is 90.degree. out of phase from the oscillator signal, as well as the echo signal to generate a second display signal. The first and second display signals are utilized in a visual display such as a cathode ray tube, to generate an image. The image changes according to the phase shift between the ultrasonic signal transmitted into the material and the echo signal, which, in turn, can be utilized to determine the presence and depth of a flaw or boundary in the material.
    • 用于测试材料的超声波装置和方法包括在超声波范围内产生选定频率的振荡器。 传感器连接到振荡器,用于向材料施加超声波信号并从材料接收回波信号。 使用两相检测器,其中一个接收回波信号和同相振荡器信号以产生第一显示信号,另一个接收来自振荡器信号的90°异相的正交信号,以及 回波信号产生第二显示信号。 第一和第二显示信号用于诸如阴极射线管的视觉显示器中,以产生图像。 图像根据传输到材料中的超声波信号与回波信号之间的相移而发生变化,而回波信号又可用于确定材料中缺陷或边界的存在和深度。
    • 36. 发明授权
    • Enhancement of linear scan ultrasonics
    • 增强线性扫描超声波
    • US4640132A
    • 1987-02-03
    • US691599
    • 1985-01-15
    • John H. FloraThomas Powers, Jr.
    • John H. FloraThomas Powers, Jr.
    • G01N29/07G01N29/265G01N29/44G01N29/48G01N29/04
    • G01N29/48G01N29/07G01N29/265G01N29/44G01N2291/044
    • An ultrasonic testing method and apparatus stores the reflected ultrasonic signals from each of a plurality of locations along a scan path over a piece of material to be tested. For each individual location, the reflected signal at that location is added to contributing signals from each other location to produce a composite signal which has a good signal-to-noise ratio. The contributing signals from each other location is formed by multiplying the signal of those other locations by a corrective phase shift factor which is a characteristic of a time delay for a reflected signal from the other locations to the individual location of interest. The contributing signal from each other location thus represents a rotated reflected signal from the other locations.
    • 超声波测试方法和装置将来自扫描路径的多个位置中的每一个的反射的超声波信号存储在要测试的一块材料上。 对于每个单独的位置,该位置处的反射信号被加到来自彼此位置的贡献信号,以产生具有良好信噪比的复合信号。 来自每个其他位置的贡献信号通过将那些其他位置的信号乘以校正相移因子而形成,校正相移因子是来自其他位置到感兴趣的个体位置的反射信号的时间延迟的特征。 因此,来自彼此位置的贡献信号表示来自其它位置的旋转的反射信号。
    • 38. 发明申请
    • Resin bonded sorbent
    • 树脂粘合吸附剂
    • US20080207441A1
    • 2008-08-28
    • US11635750
    • 2006-12-07
    • Samuel A. IncorviaThomas Powers
    • Samuel A. IncorviaThomas Powers
    • B01J20/22
    • C08K3/22B01J20/28026B29C47/385C08K3/34H05K1/0373
    • The invention relates to improved resin bonded sorbent compositions and articles of manufacture fabricated therewith, such as housings, structural components and circuit boards. The introduction of sorbents into resinous molding compositions enables the elimination of more conventional bagged sorbent containments. The novel molding compositions of the invention and parts fabricated therewith are multi-functional, beneficially combining structural, mechanical and adsorptive capabilities without requiring the usual reinforcing additives. Consequently, with the omission of reinforcing additives the novel molding compositions of the invention are further characterized by higher adsorptive capacities by allowing for higher sorbent loading factors than prior adsorbent-containing molding compositions.
    • 本发明涉及改进的树脂粘合吸附剂组合物及其制造的制品,例如壳体,结构部件和电路板。 将吸附剂引入树脂模制组合物中可以消除更传统的袋装吸附剂容器。 本发明的新型模塑组合物及其制造的部件是多功能的,有利地结合了结构,机械和吸附能力,而不需要通常的增强添加剂。 因此,通过省略增强添加剂,本发明的新型模塑组合物的特征还在于通过允许比现有的含吸附剂的模塑组合物更高的吸附剂负载因子,具有较高的吸附能力。