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    • 1. 发明授权
    • Particle selection method and a time-of flight mass spectrometer
    • 粒子选择方法和飞行时间质谱仪
    • US5962849A
    • 1999-10-05
    • US826311
    • 1997-03-25
    • Naoaki SaitoMitsumori TanimotoKazuyoshi KoyamaYasushi Iwata
    • Naoaki SaitoMitsumori TanimotoKazuyoshi KoyamaYasushi Iwata
    • G01N27/62H01J49/40G01D59/44H01J49/00
    • H01J49/40
    • In the time-of-flight mass spectrometer, the mass spectrometer with high resolution is provided which defines the initial position and the initial velocity of the charged particles and selects only the stable charged particles to measure.First, all of the charged particles Pe are accelerated to one direction in a homogeneous or spatially uniform electric field during a common finite period of time, and then all of the charged particles Pe are accelerated to the opposite direction of the former in a homogeneous or spatially uniform electric field during a common finite period of time and given the same momentum in the opposite direction of the former. Two kind of particle selection method can be adopted. Only the charged particles Pe passing through a predetermined position at a predetermined time are selected by the selector. The charged particles Pe passing through the selector are defected by the first and second deflectors and then only the charged particles passing through a predetermined point of the slit are selected and reach the ion detector. Finally, the mass spectrum is obtained by measuring the time-of-flight of the particles using the ion detector.
    • 在飞行时间质谱仪中,提供了具有高分辨率的质谱仪,其定义了带电粒子的初始位置和初始速度,并且仅选择稳定的带电粒子进行测量。 首先,在均匀或空间均匀的电场中,所有带电粒子Pe在均匀或空间均匀的电场中被加速到一个方向,然后所有带电粒子Pe被加速到前者的相反方向, 在相同的有限时间段内空间均匀的电场,并给出与前者相反方向相同的动量。 可采用两种粒子选择方法。 选择器仅选择在预定时间内通过预定位置的带电粒子Pe。 穿过选择器的带电粒子Pe被第一和第二偏转器缺陷,然后仅选择通过狭缝的预定点的带电粒子并到达离子检测器。 最后,通过使用离子检测器测量颗粒的飞行时间来获得质谱。
    • 4. 发明授权
    • Internal combustion engine
    • 内燃机
    • US08875686B2
    • 2014-11-04
    • US12808246
    • 2008-12-23
    • Yasushi Iwata
    • Yasushi Iwata
    • F02B25/06F01M13/02F01M13/04
    • F01M13/023F01M2013/045
    • In an internal combustion engine (10), oil in an oil pan (21) is pressure-fed to lubrication sites through operation of an oil pump (22). After being used for lubrication of the lubrication sites, the oil runs down and collects in the oil pan (21). The internal combustion engine (10) is provided with a blow-by gas process device (40) including a communication passageway (48) that connects a portion of the intake passageway (12) on the downstream side of the throttle valve (13) in the intake flow direction and an interior of the crankcase (15) in communication. A pressure chamber (47) to which an end portion of the communication passageway (48) is open is defined in the interior of the crankcase (15). Oil scattered in the interior of the crankcase (15) is introduced into an interior of the pressure chamber (47) before mixing with the oil collected in the oil pan (21).
    • 在内燃机(10)中,油盘(21)中的油通过油泵(22)的操作被压力供给至润滑部位。 用于润滑部位的润滑后,油流下并收集在油盘(21)中。 内燃机(10)设置有窜气处理装置(40),该窜气处理装置(40)包括连通通路(48),该连通通路连接节流阀(13)的下游侧的进气通路(12)的一部分 进气流动方向和曲轴箱(15)的内部连通。 连通通道(48)的端部打开的压力室(47)限定在曲轴箱(15)的内部。 在与油盘(21)中收集的油混合之前,分散在曲轴箱(15)的内部的油被引入压力室(47)的内部。
    • 6. 发明申请
    • INTERNAL COMBUSTION ENGINE
    • 内燃机
    • US20100269803A1
    • 2010-10-28
    • US12808246
    • 2008-12-23
    • Yasushi Iwata
    • Yasushi Iwata
    • F02B25/06
    • F01M13/023F01M2013/045
    • In an internal combustion engine (10), oil in an oil pan (21) is pressure-fed to lubrication sites through operation of an oil pump (22). After being used for lubrication of the lubrication sites, the oil runs down and collects in the oil pan (21). The internal combustion engine (10) is provided with a blow-by gas process device (40) including a communication passageway (48) that connects a portion of the intake passageway (12) on the downstream side of the throttle valve (13) in the intake flow direction and an interior of the crankcase (15) in communication. A pressure chamber (47) to which an end portion of the communication passageway (48) is open is defined in the interior of the crankcase (15). Oil scattered in the interior of the crankcase (15) is introduced into an interior of the pressure chamber (47) before mixing with the oil collected in the oil pan (21).
    • 在内燃机(10)中,油盘(21)中的油通过油泵(22)的操作被压力供给至润滑部位。 用于润滑部位的润滑后,油流下并收集在油盘(21)中。 内燃机(10)设置有窜气处理装置(40),该窜气处理装置(40)包括连通通路(48),该连通通路连接节流阀(13)的下游侧的进气通路(12)的一部分 进气流动方向和曲轴箱(15)的内部连通。 连通通道(48)的端部打开的压力室(47)限定在曲轴箱(15)的内部。 在与油盘(21)中收集的油混合之前,分散在曲轴箱(15)的内部的油被引入压力室(47)的内部。
    • 7. 发明授权
    • Automatic gain control device and method, and radio communication apparatus having the automatic gain control function
    • 自动增益控制装置和方法,以及具有自动增益控制功能的无线通信装置
    • US06577852B1
    • 2003-06-10
    • US09610255
    • 2000-07-05
    • Yasushi IwataYasufumi Ichikawa
    • Yasushi IwataYasufumi Ichikawa
    • H04B106
    • H03G3/3036H03G3/3052
    • When an input signal S11 is variable-gain-amplified by a variable gain amplifier 1 to obtain a predetermined output signal S12, a variable gain control signal S15 is generated by a detecting circuit 2, an A/D converter 3, an adder 4, and a converting unit 5. Both a latch circuit 6 and an adder 7 calculate a difference between a variable gain control signal generated during a preceding control operation and a present variable gain control signal. When the difference result is equal to “0”, a counter 8 counts predetermined stable condition continued time, and thereafter outputs a non-operation setting signal S16. Also, the counter 8 sends out the variable gain control signal generated during the preceding control operation to the variable gain amplifier 1 so as to set the detecting circuit 2, the A/D converter 3, the adder 4, and the converting unit 5 into non-operation conditions thereof.
    • 当通过可变增益放大器1对输入信号S11进行可变增益放大以获得预定的输出信号S12时,由检测电路2,A / D转换器3,加法器4产生可变增益控制信号S15, 以及转换单元5.锁存电路6和加法器7都计算在前一控制操作期间产生的可变增益控制信号与当前可变增益控制信号之间的差。 当差分结果等于“0”时,计数器8对预定的稳定状态持续时间进行计数,然后输出非操作设置信号S16。 此外,计数器8将在先前控制操作期间产生的可变增益控制信号发送到可变增益放大器1,以将检测电路2,A / D转换器3,加法器4和转换单元5设置成 非操作条件。