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    • 66. 发明申请
    • PISTON STROKE DISCRIMINATING APPARATUS FOR GENERAL-PURPOSE ENGINE
    • 用于一般用途发动机的活塞式排气装置
    • US20120055240A1
    • 2012-03-08
    • US13218838
    • 2011-08-26
    • Takashi HashizumeShigeru Saito
    • Takashi HashizumeShigeru Saito
    • G01M15/00
    • F02D41/009F02D2041/0092F02D2200/0414G01M15/06
    • In an apparatus for discriminating a piston stroke of a general-purpose internal combustion engine connectable to an operating machine to be used as a prime mover of the machine and having a four-stroke operating cycle comprising intake, compression, expansion and exhaust, the operating cycle is discriminated based on intake air temperature detected by an intake air temperature sensor whether a stroke next to a predetermined crank angular position at which a crank angle sensor produces an output is the intake stroke or the expansion stroke, when operation of the engine is determined to be under a stable condition. With this, it becomes possible to discriminate the four-stroke operating cycle of the general-purpose engine without using an expensive pressure sensor.
    • 在用于区分可连接到作为机器的原动机的操作机器的通用内燃机的活塞冲程的装置中,并且具有包括进气,压缩,膨胀和排气的四冲程操作循环,所述操作 根据由进气温度传感器检测到的进气温度判断循环是否在确定了发动机的运转时,曲柄角传感器产生输出的预定曲柄角位置旁边的行程是进气冲程还是膨胀冲程 处于稳定状态。 由此,可以在不使用昂贵的压力传感器的情况下区分通用发动机的四冲程动作循环。
    • 67. 发明授权
    • Solid-state image pickup device, driving method thereof, and camera system
    • 固态图像拾取装置,其驱动方法和相机系统
    • US07911519B2
    • 2011-03-22
    • US12233720
    • 2008-09-19
    • Shigeru SaitoYoko Terato
    • Shigeru SaitoYoko Terato
    • H04N3/14H04N5/335
    • H04N5/3765H04N5/378
    • A solid-state image pickup device includes a pixel array including pixels arranged in a matrix, a pixel signal readout unit, and a timing control unit for controlling processing of the pixel signal readout unit by using a timing signal. The pixel signal readout unit includes: a plurality of comparators for comparing a readout signal potential with a reference voltage to generate a determination signal and outputting the determination signal, and a plurality of counters. Each counter counts a comparison time of each corresponding one of the comparators. The timing control unit (a) divides a predetermined processing period into at least a first-time readout period, a first comparison period, a second-time readout period, and a second-time comparison period, (b) classifies the periods into two periods, and (c) generates a timing signal of processing of each divided period by counting for each divided period in the counter.
    • 固态图像拾取装置包括:像素阵列,包括以矩阵形式排列的像素;像素信号读出单元;以及定时控制单元,用于通过使用定时信号控制像素信号读出单元的处理。 像素信号读出单元包括:多个比较器,用于将读出信号电位与参考电压进行比较,以产生确定信号并输出​​确定信号,以及多个计数器。 每个计数器计数每个对应的一个比较器的比较时间。 定时控制单元(a)将预定处理周期分成至少第一次读出期间,第一比较期间,第二次读出期间和第二次比较期间,(b)将期间分为两个 周期,以及(c)通过对计数器中的每个分割周期进行计数来产生每个分割周期的处理的定时信号。
    • 70. 发明授权
    • Fuel injection quantity control system for general-purpose engine
    • 通用发动机燃油喷射量控制系统
    • US07657365B2
    • 2010-02-02
    • US12258124
    • 2008-10-24
    • Tomoki FukushimaHayato MatsudaTakashi HashizumeShigeru Saito
    • Tomoki FukushimaHayato MatsudaTakashi HashizumeShigeru Saito
    • G06F19/00F02M51/00
    • F02D41/10F02B63/00F02D9/105F02D41/045F02D41/34F02D2011/102F02D2200/0404F02D2200/602
    • A fuel injection control system corrects the amount of fuel injected by fuel injection valves toward an increased side when an acceleration state resulting from operation of a throttle occurs. A control unit includes a detector, an acceleration state determinor, and an acceleration corrector. When an increase in the detected value is a predetermined value or more within a first predetermined time period, the acceleration state determiner determines that a state is an acceleration state and inputs a signal inducing fuel-amount-increase correction to the acceleration corrector. When the state where an amount of change in the detected value reaches a predetermined value or more in an increasing or decreasing direction within a first predetermined time period continuously occurs a predetermined number of times or more before a second predetermined time period expires, determination of the acceleration state is stopped until a third predetermined time period passes.
    • 燃料喷射控制系统当由于节气门操作引起的加速度状态发生时,将由燃料喷射阀喷射的燃油量增加一侧校正。 控制单元包括检测器,加速度状态确定器和加速度校正器。 当检测值的增加在第一预定时间段内为预定值以上时,加速度状态确定器确定状态是加速状态,并且向加速度校正器输入引起燃料增加量校正的信号。 当在第一预定时间段内检测值的变化量在增加或减小方向上达到预定值以上的状态在第二预定时间段到期之前持续发生预定次数或更多次时,确定 加速状态停止直到第三预定时间段过去。