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    • 5. 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。
    • 6. 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。
    • 7. 发明授权
    • Switching booster power circuit
    • 开关增压电源电路
    • US07639519B2
    • 2009-12-29
    • US11977140
    • 2007-10-23
    • Masahiko Ito
    • Masahiko Ito
    • H02M3/18G05F1/40
    • H02M3/156H02M1/36
    • A switching booster power circuit includes a power switch, a booster circuit, a switching control, a voltage detector and a delay circuit. The voltage detector detects an input voltage value at a predetermined point of an electricity supply line from the power switch to an electric load, and determines the input voltage value to be larger than a predetermined voltage threshold or not. The delay circuit outputs an enabling signal enabling the switching control to operate, when a predetermined time period is elapsed after the input voltage value becomes larger than the voltage threshold.
    • 开关增压电源电路包括电源开关,升压电路,开关控制,电压检测器和延迟电路。 电压检测器检测从电力开关到电负载的电力供给线的预定点处的输入电压值,并且确定输入电压值大于预定电压阈值。 当在输入电压值变得大于电压阈值之后经过预定时间段时,延迟电路输出使能切换控制能够工作的使能信号。
    • 10. 发明申请
    • DC-DC converter for boosting input voltage at variable frequency
    • DC-DC转换器,用于在可变频率下升压输入电压
    • US20050206361A1
    • 2005-09-22
    • US11075661
    • 2005-03-10
    • Masahiko Ito
    • Masahiko Ito
    • H02M3/155G05F1/40H02M3/156
    • H02M3/156H02M1/44
    • A DC-DC converter for boosting an input voltage to a higher output voltage includes an inductor, a field effect transistor, a first ON signal generating circuit, a second ON signal generating circuit, an OFF signal generating circuit, a transistor driving signal generating circuit, and a switching frequency varying circuit. The switching frequency varying circuit changes a first ON time with the passage of time, so that the energy of switching noise is diffused without concentrating at specific frequencies. Thus, magnitude of the energy of switching noise in each switching frequency can be reduced.
    • 用于将输入电压升压到较高输出电压的DC-DC转换器包括电感器,场效应晶体管,第一ON信号发生电路,第二ON信号发生电路,OFF信号发生电路,晶体管驱动信号发生电路 ,以及开关频率变化电路。 开关频率变化电路随着时间的推移改变第一导通时间,使得开关噪声的能量在没有集中在特定频率的情况下扩散。 因此,能够降低各开关频率的开关噪声的能量的大小。