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    • 1. 发明授权
    • Corrosion resisting steel and corrosion resisting oil well pipe having high corrosion resistance to carbon dioxide gas
    • 耐腐蚀钢和耐腐蚀油井管对二氧化碳气体具有高耐腐蚀性
    • US06248187B1
    • 2001-06-19
    • US09402826
    • 1999-10-12
    • Hitoshi AsahiKoichi Nose
    • Hitoshi AsahiKoichi Nose
    • C22C3818
    • C22C38/04C21D1/18C21D6/002C21D2211/008C22C38/18
    • An object of the present invention is to provide a corrosion resistant steel excellent in strength and low temperature toughness as well as resistance to corrosion by carbon dioxide and seawater, and most suitable for oil well steel pipes and line pipes for production and transportation of gas, petroleum, etc. used in the field of energy, or a steel for plants, and corrosion resistant oil well steel pipes. The corrosion resistant steel and the corrosion resistant oil well steel pipes comprise, based on weight, up to 0.30% of C, up to 1.0% of Si, 0.2 to 2.0% of Mn, 2.1 to less than 5.0% of Cr, up to 0.03% of P, up to 0.02% of S, up to 0.10% of Al, up to 0.015% of N, optionally containing Cu, Ni, Mo, Ti, Nb and B, and the balance of Fe and unavoidable impurities, and have a martensitic structure as their metallic structure.
    • 本发明的目的在于提供强度和低温韧性优异以及二氧化碳和海水的耐腐蚀性的耐腐蚀性钢,最适用于生产和运输气体的油井钢管和管线, 石油等用于能源领域,或用于钢铁厂和耐腐蚀油井钢管。 耐腐蚀钢和耐腐蚀油井钢管以重量计最多可达0.30%C,高达1.0%的Si,0.2〜2.0%的Mn,2.1〜小于5.0%的Cr,直至 0.03%的P,高达0.02%的S,至多0.10%的Al,至多0.015%的N,任选地含有Cu,Ni,Mo,Ti,Nb和B,余量为Fe和不可避免的杂质,以及 具有马氏体结构作为其金属结构。
    • 3. 发明授权
    • Aging diagnostic device, aging diagnostic method
    • 老化诊断仪,老化诊断方法
    • US08674774B2
    • 2014-03-18
    • US13394542
    • 2010-09-01
    • Eisuke SaneyoshiKoichi NoseMasayuki Mizuno
    • Eisuke SaneyoshiKoichi NoseMasayuki Mizuno
    • H03L7/24G01R31/28
    • G01R31/2856G01R31/2882G01R31/2884H03K5/133
    • There is provided an aging diagnostic device including: a reference ring oscillator (101) that constitutes a ring oscillator using an odd-numbered plurality of logic gates constituted using a CMOS circuit; a test ring oscillator (102) that constitutes a ring oscillator using an odd-numbered plurality of logic gates having the same configuration as that of the logic gate; a load unit (104) that inputs a load signal to the test ring oscillator (102); a control unit (105) that simultaneously inputs a control signal instructing a start of oscillation of the reference ring oscillator (101) and the test ring oscillator (102) to the reference ring oscillator (101) and the test ring oscillator (102); and a comparison unit (103) that compares differences in the amount of movement of pulses within the reference ring oscillator (101) and the test ring oscillator (102), respectively, in the same time.
    • 提供了一种老化诊断装置,包括:构成使用CMOS电路构成的奇数多个逻辑门的环形振荡器的参考环形振荡器(101) 使用具有与逻辑门相同配置的奇数多个逻辑门构成环形振荡器的测试环振荡器(102); 负载单元(104),其向所述测试环形振荡器(102)输入负载信号; 控制单元(105),其同时将参考环形振荡器(101)和测试环形振荡器(102)的振荡开始的控制信号输入到参考环形振荡器(101)和测试环形振荡器(102); 以及比较单元(103),其分别同时比较参考环形振荡器(101)和测试环形振荡器(102)中的脉冲的移动量的差异。
    • 5. 发明申请
    • AGING DIAGNOSTIC DEVICE, AGING DIAGNOSTIC METHOD
    • 老化诊断装置,老化诊断方法
    • US20120161885A1
    • 2012-06-28
    • US13394542
    • 2010-09-01
    • Eisuke SaneyoshiKoichi NoseMasayuki Mizuno
    • Eisuke SaneyoshiKoichi NoseMasayuki Mizuno
    • H03L7/24
    • G01R31/2856G01R31/2882G01R31/2884H03K5/133
    • There is provided an aging diagnostic device including: a reference ring oscillator (101) that constitutes a ring oscillator using an odd-numbered plurality of logic gates constituted using a CMOS circuit; a test ring oscillator (102) that constitutes a ring oscillator using an odd-numbered plurality of logic gates having the same configuration as that of the logic gate; a load unit (104) that inputs a load signal to the test ring oscillator (102); a control unit (105) that simultaneously inputs a control signal instructing a start of oscillation of the reference ring oscillator (101) and the test ring oscillator (102) to the reference ring oscillator (101) and the test ring oscillator (102); and a comparison unit (103) that compares differences in the amount of movement of pulses within the reference ring oscillator (101) and the test ring oscillator (102), respectively, in the same time.
    • 提供了一种老化诊断装置,包括:构成使用CMOS电路构成的奇数多个逻辑门的环形振荡器的参考环形振荡器(101) 使用具有与逻辑门相同配置的奇数多个逻辑门构成环形振荡器的测试环振荡器(102); 负载单元(104),其向所述测试环形振荡器(102)输入负载信号; 控制单元(105),其同时将参考环形振荡器(101)和测试环形振荡器(102)的振荡开始的控制信号输入到参考环形振荡器(101)和测试环形振荡器(102); 以及比较单元(103),其分别同时比较参考环形振荡器(101)和测试环形振荡器(102)中的脉冲的移动量的差异。
    • 6. 发明申请
    • AMPLIFYING APPARATUS, METHOD OF OUTPUT CONTROL AND CONTROL PROGRAM
    • 放大装置,输出控制方法和控制程序
    • US20100052792A1
    • 2010-03-04
    • US12440977
    • 2007-09-13
    • Koichi NoseHaruya IshizakiMasayuki Mizuno
    • Koichi NoseHaruya IshizakiMasayuki Mizuno
    • H03F3/68
    • H03K4/026H03F1/0294H03F1/32H03F3/2171H03F3/2178H03F3/245H03F3/72H03F2200/384H03K4/92
    • [PROBLEMS] To provide, for example, a pulse input type power amplifying apparatus that can be operated at low voltage and low power, effectively suppressing generation of harmonic component.[MEANS FOR SOLVING THE PROBLEMS] The amplifying apparatus includes at least two amplification circuits, one and other amplification circuits, composed of multiple amplifiers whose output sides are connected to each other, driven at the same frequency. The multiple amplifiers forming the one amplification circuit are configured with a first inverting amplifier M12 inputting and amplifying a reference pulse, and a second inverting amplifier M11 to which an inverted pulse formed by shifting and inverting the phase of the reference pulse is inputted. The other amplification circuit is configured with the first inverting amplifier M14 and the second inverting amplifier M13 to each of which other wide pulse with a width greater than that of the reference pulse is commonly inputted.
    • [问题]为了提供例如能够以低电压和低功率工作的脉冲输入型功率放大装置,能有效地抑制谐波分量的产生。 解决问题的手段放大装置包括至少两个放大电路,一个和另外的放大电路,由输出侧相互连接并以相同频率驱动的多个放大器组成。 形成一个放大电路的多个放大器配置有输入和放大参考脉冲的第一反相放大器M12和输入通过移位和反相参考脉冲的相位形成的反相脉冲的第二反相放大器M11。 另一个放大电路配置有第一反相放大器M14和第二反相放大器M13,其中通常输入宽度大于参考脉冲宽度的其它宽脉冲。
    • 7. 发明申请
    • SIGNAL MEASURING DEVICE
    • 信号测量装置
    • US20090189596A1
    • 2009-07-30
    • US12088411
    • 2006-09-28
    • Koichi NoseMasayuki Mizuno
    • Koichi NoseMasayuki Mizuno
    • G01R25/00
    • G01R19/2509
    • An interpolated signal generating circuit (101) generates interpolated signals (SIG1-SIGN) of two consecutive discrete signals (SIG). N measuring circuits (501) measure interpolated signals. Since the interpolated signals are measurement targets, N-times oversampling measurement can also be performed for the discrete signals. With the oversampling measurement, the frequency spectra of the signal components of the discrete signals are maintained, and only the frequency spectrum of a noise component due to a quantization error increases to a high-frequency band, thereby reducing a noise component per unit frequency. Therefore, removing a high-frequency component from a measurement result from each measuring circuit using a low-pass filter (502) makes it possible to improve the signal-to-noise ratio of the measurement result as compared with a case in which no oversampling is performed.
    • 内插信号生成电路(101)产生两个连续离散信号(SIG)的内插信号(SIG1-SIGN)。 N个测量电路(501)测量内插信号。 由于内插信号是测量目标,所以也可以对离散信号执行N次过采样测量。 通过过采样测量,维持离散信号的信号分量的频谱,并且只有由于量化误差引起的噪声分量的频谱增加到高频带,从而降低每单位频率的噪声分量。 因此,使用低通滤波器(502)从每个测量电路的测量结果中去除高频分量使得与没有过采样的情况相比,可以提高测量结果的信噪比 被执行。