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    • 6. 发明授权
    • Deformable sensor system
    • 变形传感器系统
    • US08149211B2
    • 2012-04-03
    • US12115928
    • 2008-05-06
    • Tomonori HayakawaTetsuyoshi ShibataRentaro KatoKazunobu HashimotoYo KatoToshiharu Mukai
    • Tomonori HayakawaTetsuyoshi ShibataRentaro KatoKazunobu HashimotoYo KatoToshiharu Mukai
    • G06F3/045
    • G01L1/205G06F3/0414G06F3/045
    • A deformable sensor system that can be used for pressure-distribution sensors. The deformable sensor system makes it possible to obtain a pressure distribution with a much higher accuracy, while reducing the number of electrodes. The system utilizes a deformable sensor which can detect deformation as the electric resistivity of the surface increases monotonically as an elastic deformation variation in each of the elastic deformations increases. Based on a voltage being detected by means of a detecting unit, the deformable sensor electric-resistivity variation computing unit computes the variation of the electric resistivity based on the method of least squares with a restriction condition imposed thereon. The system uses such a technology as “EIT” that is based on an inverse-problem theory. At an external-force position computing unit, a position in a pressure-receiving surface, position which receives an external force, is computed based on the computed electric-resistivity variation.
    • 可用于压力分布传感器的可变形传感器系统。 可变形传感器系统使得可以以更高的精度获得压力分布,同时减少电极的数量。 该系统利用可变形的传感器,当每个弹性变形中的弹性变形变化增加时,随着表面的电阻率单调增加,可以检测变形。 基于通过检测单元检测到的电压,可变形传感器电阻率变化计算单元基于施加有限制条件的最小二乘法来计算电阻率的变化。 该系统采用基于逆问题理论的“EIT”技术。 在外力位置计算单元,基于所计算的电阻率变化来计算受压表面中接受外力的位置。
    • 8. 发明授权
    • High damping material composition
    • 高阻尼材料成分
    • US06265475B1
    • 2001-07-24
    • US09363749
    • 1999-07-30
    • Wu ChifeiTakeshi NomuraToshiyuki MiharaKazunobu HashimotoTetsuya Takeuchi
    • Wu ChifeiTakeshi NomuraToshiyuki MiharaKazunobu HashimotoTetsuya Takeuchi
    • C08K553
    • C08K5/52C08K5/13C08K5/17
    • A high damping material composition useful as a vibration damper and an acoustic insulating material such as a sound insulating wall for an acoustic room, a sound insulating partition for a construction structure and a soundproofing wall for a vehicle. The high damping material composition of the present invention containing the following components (A) and (B); (A) a polymer having in the molecular chain thereof a chemical structural unit derived from the following (a); (a) at least one selected from the group consisting of an acrylic monomer, a methacrylic monomer, an ethylene-acrylic copolymer, an ethylene-methacrylic copolymer and vinyl acetate; (B) at least one damping property imparting agent selected from the group consisting of a hindered phenol compound, a phosphite ester compound, a phosphate ester compound, a basic compound containing nitrogen and a hindered amine compound. The combined use of the component (A) and (B) makes an interaction therebetween homogeneous and appropriate, so that the component (B) is homogeneously dispersed in the component (A), resulting in exhibition of a high tan &dgr;. Moreover, the homogeneous dispersion can be maintained for a long period thereby to prevent a declined of tan &dgr; with time. The compositions have a tan &dgr; peak temperature of approximately room temperature, which makes the compositions suitable for use in a room temperature atmosphere.
    • 可用作振动阻尼器的高阻尼材料组合物和用于声学室的隔音壁,隔音隔板和用于车辆的隔音墙的隔声材料。 含有下列组分(A)和(B)的本发明的高阻尼材料组合物;(A)在其分子链中具有衍生自以下(a)的化学结构单元的聚合物;(a)至少一种 选自丙烯酸单体,甲基丙烯酸单体,乙烯 - 丙烯酸共聚物,乙烯 - 甲基丙烯酸共聚物和乙酸乙烯酯;(B)至少一种阻尼赋予剂,其选自受阻酚化合物, 亚磷酸酯化合物,磷酸酯化合物,含氮的碱性化合物和受阻胺化合物。 组分(A)和组分(B)的组合使得它们之间的相互作用是均匀和适当的,使得组分(B)均匀地分散在组分(A)中,导致显示高的tanδ。 此外,均匀分散体可以保持长时间,从而防止随着时间的减少tanδ。 组合物具有大约室温的tanδ峰值温度,这使得组合物适合在室温气氛中使用。