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    • 91. 发明授权
    • Measurement of density and viscoelasticity with a single acoustic wave sensor
    • 用单声波传感器测量密度和粘弹性
    • US07552619B2
    • 2009-06-30
    • US10597487
    • 2004-04-22
    • Jeffrey C. Andle
    • Jeffrey C. Andle
    • G01N9/02
    • G01N11/16G01N9/24G01N2291/02827
    • A sensor, method and system, for measuring certain characteristics of a fluid. The sensor utilizes a piezoelectric device having at least two tightly coupled resonators providing a two pole electric transfer function responsive to an electrical signal coupled to the input resonator. The piezoelectric sensor has a textured entrapment layer, constructed to entrap a known volume of fluid and impart motion to the entrapped fluid as well as to surrounding non-trapped fluid. The common mode frequency shift of the two resonant frequencies is related to mass loading due to the entrapped fluid, while the energy absorbed by the fluid, or a phase shift of one of the resonant frequencies, is related to the viscosity/density product of the fluid. Extracting the viscosity is a matter of mathematical manipulation. By controlling the energy level of the input electrical signal, the viscosity measurement may be conducted at a predetermined shear rate.
    • 用于测量流体的某些特性的传感器,方法和系统。 该传感器利用具有至少两个紧密耦合的谐振器的压电器件,该谐振器响应耦合到输入谐振器的电信号提供双极电传递函数。 压电传感器具有纹理的包埋层,其构造成捕获已知体积的流体并赋予捕获的流体以及围绕非捕获流体的运动。 两个共振频率的共模频移与由夹带的流体引起的质量负载有关,而流体吸收的能量或谐振频率之一的相移与 流体。 提取粘度是数学操作的问题。 通过控制输入电信号的能量水平,粘度测量可以以预定的剪切速率进行。
    • 93. 发明授权
    • Temperature compensated, high efficiency, controlled input impedance diode detector
    • 温度补偿,高效率,受控输入阻抗二极管检测器
    • US07205832B2
    • 2007-04-17
    • US10958896
    • 2004-10-05
    • Jeffrey C. Andle
    • Jeffrey C. Andle
    • H03G3/20
    • H03D1/10
    • A diode detector comprising a detector network adapted to detect and multiply the detected voltage coupled to a divider network that comprise diodes in equal number to the number of diodes in the detector network, provides a passive detector applicable to any application requiring a small, efficient, high output, inexpensive temperature compensated detector for use as demodulator or as power to voltage converter. Integrating a portion of the divider network in the detector/multiplier network allows control over the minimum input impedance of the detector.
    • 一种二极管检测器,包括检测器网络,其适于检测和乘法耦合到分频器网络的检测电压,该分压器网络包括与检测器网络中的二极管数量相等的二极管,该无源检测器适用于任何需要较小, 高输出,廉价的温度补偿检测器,用作解调器或电源到电压转换器。 将分离器网络的一部分集成在检测器/乘法器网络中可以控制检测器的最小输入阻抗。
    • 95. 发明授权
    • Device and method for measurement of incident power and energy
    • 用于测量入射功率和能量的装置和方法
    • US07154077B2
    • 2006-12-26
    • US10970984
    • 2004-10-25
    • Efraim MiklatzkyEphraim Greenfield
    • Efraim MiklatzkyEphraim Greenfield
    • G01J1/44G01J1/56H01J7/24
    • G01K17/003G01K17/20
    • Devices and methods for measurement of energy from a defined source having increased accuracy in measuring low energies. The device comprises a housing containing sensors. A first sensor receives energy from the source and produces a first output. A second sensor receives ambient energy only and produces a second output. Subtraction of the second output from the first output produces a more accurate corrected output. The method includes providing a housing containing a first sensor and a second sensor and directing energy from the defined source to a surface of the first sensor thereby causing the first sensor to produce a first output while only ambient energy from sources other than the defined source is applied to a surface of the second sensor which produce a second output that is subtracted from the first output producing a corrected output.
    • 用于测量来自定义源的能量的装置和方法,其具有在测量低能量时具有增加的精度。 该装置包括容纳传感器的壳体。 第一传感器从源接收能量并产生第一输出。 第二传感器仅接收环境能量并产生第二输出。 从第一输出减去第二输出产生更准确的校正输出。 该方法包括提供包含第一传感器和第二传感器的壳体,并将能量从限定的源引导到第一传感器的表面,从而使得第一传感器产生第一输出,而仅来自源 施加到第二传感器的表面,其产生从第一输出中减去的第二输出,产生校正的输出。
    • 96. 发明授权
    • Shoe donning aid
    • 鞋穿辅助
    • US07090101B2
    • 2006-08-15
    • US10712167
    • 2003-11-13
    • Ian K. Engelman
    • Ian K. Engelman
    • A47G25/80
    • A47G25/80
    • A shoe donning device is provided comprising a generally U shaped body 20, having an external portion 22 and an internal portion 24 extending downwardly from a top portion 26. The external portion having a top region, and spaced from said internal region for preventing said body from migrating forwardly from the rear of the shoe. The internal portion has an internal top region, and an internal bottom region which has at least one upwardly extending slot 50 cut in its rear region. Two side extensions extend forwardly from the rear portion and have grip enhancers to provide positive engagement between the shoe and the device. Each of the side extensions has a finger grips coupled to its upper side. The rear portion of the internal region is forwardly biased. The device is made of resilient, smooth, semi rigid material, such as molded plastic.
    • 提供了一种穿鞋装置,其包括大致U形的本体20,其具有外部部分22和从顶部部分26向下延伸的内部部分24。 外部具有顶部区域,并且与所述内部区域间隔开,以防止所述身体从鞋的后部向前移动。 内部部分具有内部顶部区域和内部底部区域,其具有在其后部区域中切割的至少一个向上延伸的狭槽50。 两个侧面延伸部从后部向前延伸并具有抓地力增强器,以在鞋和装置之间提供积极的接合。 每个侧面延伸部具有联接到其上侧的手指夹。 内部区域的后部向前偏置。 该装置由弹性,光滑,半刚性材料制成,例如模制塑料。