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    • 6. 发明授权
    • Piezoelectric pressure sensor
    • 压电式压力传感器
    • US06271621B1
    • 2001-08-07
    • US09366053
    • 1999-08-02
    • Masahiko ItoTakeshi NagaiYuko FujiiHiroyuki Ogino
    • Masahiko ItoTakeshi NagaiYuko FujiiHiroyuki Ogino
    • H01L4108
    • G01L1/16G01L9/008H01L41/087Y10S310/80
    • Two kinds of pressure sensors using a piezoelectric composite comprising amorphous chlorinated polyethylene, crystalline chlorinated polyethylene and piezoelectric ceramic powder are disclosed. The first is a piezoelectric cable comprising an inner conductor of a metal helix, the volume within the metal helix is filled with fine insulating polymer fibers, a piezoelectric composite layer circumferentially surrounding the inner conductor, and an outer conductor of a metal film attached on a polymer membrane. The metal film is in contact with said composite layer but separated from the inner conductor and a protective jacket. The second type of pressure sensor is a planar sensor comprising a piezoelectric composite in a planar form sandwiched with conductors of two metal films attached on two polymer membranes, each metal film is in contact with the composite but separated from each other.
    • 公开了使用包含无定形氯化聚乙烯,结晶氯化聚乙烯和压电陶瓷粉末的压电复合材料的两种压力传感器。 第一种是包括金属螺旋的内部导体的压电电缆,金属螺旋体内的体积填充有精细的绝缘聚合物纤维,周向围绕内部导体的压电复合层和附着在金属膜上的金属膜的外部导体 聚合物膜。 金属膜与所述复合层接触,但与内部导体和保护套隔开。 第二种类型的压力传感器是一种平面传感器,它包括一个平面形状的压电复合材料,夹在两个聚合物膜上的两个金属膜的导体之间,每个金属膜与复合材料接触,但彼此分开。
    • 9. 发明授权
    • Latent curing agent for epoxy resin and method for manufacturing the same
    • 环氧树脂的潜在固化剂及其制造方法
    • US08128837B2
    • 2012-03-06
    • US12078156
    • 2008-03-27
    • Daisuke MasukoKatsuhiko KomuroMasahiko ItoTadasu Kawashima
    • Daisuke MasukoKatsuhiko KomuroMasahiko ItoTadasu Kawashima
    • C09K3/00C08L63/00C08G59/18C08G59/68
    • C08G18/6484C08G18/7664C08G18/7671H05K3/323
    • A latent epoxy resin curing agent is provided which exhibits excellent solvent resistance and low-temperature fast-curing ability, and contains an imidazole-based compound as a main component. In the latent epoxy resin curing agent containing the imidazole-based compound as a main component, adduct particles formed through adduct reaction of an epoxy-based compound with the particulate imidazole-based compound are coated with an ethyl cellulose film. Furthermore, the surfaces of the adduct particles may be crosslinked with a polyfunctional isocyanate compound. A mixture of the epoxy-based compound, the particulate imidazole-based compound, and ethyl cellulose in a predetermined saturated hydrocarbon-based solvent is heated under stirring. Then, the epoxy-based compound and the particulate imidazole-based compound are subjected to adduct reaction to give a slurry of the adduct. After the slurry is cooled, the latent epoxy resin curing agent is filtrated.
    • 提供一种潜在的环氧树脂固化剂,其具有优异的耐溶剂性和低温快速固化能力,并且含有咪唑类化合物作为主要成分。 在含有咪唑类化合物作为主要成分的潜在环氧树脂固化剂中,通过环氧类化合物与微粒状咪唑类化合物的加成反应而形成的加合物粒子被乙基纤维素膜包覆。 此外,加合物颗粒的表面可以与多官能异氰酸酯化合物交联。 在预定的饱和烃类溶剂中将环氧类化合物,微粒状咪唑类化合物和乙基纤维素的混合物在搅拌下加热。 然后,将环氧类化合物和微粒状咪唑类化合物进行加合反应,得到加合物的淤浆。 在浆液冷却后,过氧化潜在的环氧树脂固化剂。
    • 10. 发明授权
    • Electrical and electronic system
    • 电气电子系统
    • US07835123B2
    • 2010-11-16
    • US11985308
    • 2007-11-14
    • Masahiko ItoShouichi Okuda
    • Masahiko ItoShouichi Okuda
    • H02H9/00
    • H02H9/046
    • An electrical and electronic system includes an air-bag ECU and a squib. The air-bag ECU has a power supply circuit, an electronic element, a noise protection line, a switching element and a voltage detector. The noise protection line is connected between an element line, which is connected to the electronic element and the squib and to the ground. The switching element is connected to the noise protection line in series. When the voltage detector detects a large noise, it turns on the switching element to protect the electronic element from such a large noise.
    • 电气和电子系统包括气囊ECU和爆管。 气囊ECU具有电源电路,电子元件,噪声保护线,开​​关元件和电压检测器。 噪声保护线连接在与电子元件连接的元件线与爆管和地之间。 开关元件串联连接到噪声保护线。 当电压检测器检测到大的噪声时,它打开开关元件,以保护电子元件免受如此大的噪音。