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    • 5. 发明授权
    • Multi-layer nonwoven fabric
    • 多层无纺布
    • US06992028B2
    • 2006-01-31
    • US10237455
    • 2002-09-09
    • Craig F. ThomaschefskyLawrence M. Brown
    • Craig F. ThomaschefskyLawrence M. Brown
    • D04H1/54D04H3/14D04H5/06
    • D04H1/559D04H1/425D04H1/4374D04H1/732D04H13/00Y10T428/24826Y10T442/659Y10T442/668Y10T442/689Y10T442/69Y10T442/692Y10T442/695Y10T442/697Y10T442/698
    • A nonwoven fabric includes a first composite layer that includes from about 50% to about 90% by weight non-thermoplastic absorbent staple fibers and from about 10% to about 50% by weight thermoplastic fibers. A preponderance of the fibers at a first outer surface of the first composite layer comprise non-thermoplastic absorbent staple fibers and a preponderance of the fibers at a second outer surface of the first composite layer comprise thermoplastic fibers. The nonwoven fabric further includes a second composite layer that includes from about 50% to about 90% by weight non-thermoplastic absorbent staple fibers and from about 10% to about 50% by weight thermoplastic fibers. The second composite layer is adjacent the second outer surface of the first composite layer. The nonwoven fabric further includes bonded regions wherein a portion of the thermoplastic fibers of the first composite layer are fused to a portion of the thermoplastic fibers of the second composite layer, and further wherein the bonded regions have a plurality of contiguous voids.
    • 非织造织物包括第一复合层,其包含约50重量%至约90重量%的非热塑性吸收性短纤维和约10重量%至约50重量%的热塑性纤维。 纤维在第一复合层的第一外表面上的优势包括非热塑性吸收性短纤维,并且纤维在第一复合层的第二外表面上的优势包括热塑性纤维。 非织造织物还包括第二复合层,其包含约50重量%至约90重量%的非热塑性吸收性短纤维和约10重量%至约50重量%的热塑性纤维。 第二复合层与第一复合层的第二外表面相邻。 无纺织物还包括粘合区域,其中第一复合层的热塑性纤维的一部分熔合到第二复合层的热塑性纤维的一部分,并且其中粘合区域具有多个连续的空隙。
    • 10. 发明授权
    • Standoff distance variation compensator and equalizer
    • 间距距离变化补偿器和均衡器
    • US06462561B1
    • 2002-10-08
    • US09616971
    • 2000-07-14
    • Timothy A. BigelowNasser Nidal QaddoumiReza ZoughiLawrence M. Brown
    • Timothy A. BigelowNasser Nidal QaddoumiReza ZoughiLawrence M. Brown
    • G01R2732
    • G01N22/00
    • An inventively enhanced near-field sensor includes circuitry which removes variation in standoff distance (of the sensor from the inspected object) as a factor in the inspection system readings. An original output voltage which varies linearly according to standoff distance is, modified and added to a counterbalancing output voltage which equivalently but oppositely varies linearly according to standoff distance, resulting in a constant output voltage regardless of standoff distance. For calibration purposes, a third output voltage can also be summed along with the modified output voltage and the counterbalancing output voltage. Since the effect of surface variation is nullified, the practitioner can more truly assess the interior physical condition of the inspected object, knowing that the object's surface roughess is rendered irrelevant.
    • 一种发明增强的近场传感器包括作为检查系统读数的一个因素消除了距检测对象的传感器的距离距离变化的电路。 根据间隔距离线性变化的原始输出电压被修改并添加到平衡输出电压,其等效但相反地根据间隔距离线性地变化,导致恒定的输出电压,而不管间隔距离。 为了校准目的,第三输出电压也可以与修改的输出电压和平衡输出电压相加。 由于表面变化的影响无效,实践者可以更加真实地评估被检查对象的内部身体状况,因为知道对象的表面浮雕是无关紧要的。