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    • 15. 发明申请
    • Fuel injection controller and fuel injection control system
    • 燃油喷射控制器和燃油喷射控制系统
    • US20080201060A1
    • 2008-08-21
    • US12010960
    • 2008-01-31
    • Koichi Nagai
    • Koichi Nagai
    • F02D41/30
    • F02D35/023F02D41/402F02D41/405Y02T10/44
    • A fuel injection controller (engine control ECU) controls a fuel injection mode of an engine having cylinder pressure sensors in all of four cylinders for measuring pressures in the cylinders. The controller measures a pressure (cylinder pressure) in the cylinder as an object cylinder (each of the four cylinders) based on an output of the corresponding cylinder pressure sensor when the fuel combustion is in progress in the object cylinder and the fuel to be used in the combustion is additionally injected and supplied to the same cylinder (e.g., when an after-injection is performed). The controller variably controls a command signal (i.e., pulse width) sent to the injector in relation to the target injection (the after-injection) on the basis of the measured cylinder pressure.
    • 燃料喷射控制器(发动机控制ECU)控制具有用于测量气缸中的压力的​​四个气缸中的气缸压力传感器的发动机的燃料喷射模式。 控制器基于当对象气缸中的燃料燃烧和要使用的燃料进行燃料燃烧时相应的气缸压力传感器的输出,测量作为对象气缸(四个气缸中的每一个)的气缸中的压力(气缸压力) 在燃烧中另外喷射并供应到相同的气缸(例如,当进行后喷射时)。 控制器基于测量的气缸压力可变地控制相对于目标喷射(后喷射)发送到喷射器的命令信号(即,脉冲宽度)。
    • 19. 发明授权
    • Objective lens driving apparatus
    • 物镜驱动装置
    • US5982564A
    • 1999-11-09
    • US778411
    • 1996-12-31
    • Koichi Nagai
    • Koichi Nagai
    • G11B7/09G11B7/125G02B7/02
    • G11B7/0932G11B7/0935G11B7/0933
    • An objective lens holder that holds an objective lens that directs a laser beam onto a disk is formed of a permanent magnet. Yokes are arranged at the periphery of the objective lens holder, with a focus coil and tracking coil fixed to them. One end of a wire-shaped flexible body is connected to one side face of the objective lens holder, the objective lens holder being thereby suspended and supported. Since the objective lens holder has applied to it displacement components with five degrees of freedom, excluding the axial direction of the flexible body, tilting of the optical axis of the objective lens can be generated. Consequently, coma aberration of the objective lens is reduced and high density recording and reproducing can be achieved.
    • 保持将激光束引导到盘上的物镜的物镜保持器由永磁体形成。 轭设置在物镜保持器的周边,聚焦线圈和跟踪线圈固定在它们上。 线状柔性体的一端连接到物镜支架的一个侧面,从而悬挂和支撑物镜保持器。 由于物镜保持器已经将除了柔性体的轴向的五个自由度的位移部件应用于物镜,所以可以产生物镜的光轴的倾斜。 因此,减小了物镜的彗形像差,并且可以实现高密度的记录和再现。