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    • 106. 发明授权
    • Supervisory system using visible ray or infrared ray
    • 使用可见光或红外线的监控系统
    • US5237308A
    • 1993-08-17
    • US837495
    • 1992-02-18
    • Tetsuya Nakamura
    • Tetsuya Nakamura
    • G08B13/194G08B17/10G08B17/12
    • G08B17/125G08B13/194G08B17/10
    • A smoke supervisory system comprising a visible image processor for calculating a differential image between a reference image and an input image and calculating parameters in the differential image; an address overlap detector for detecting whether the differential images overlap each other; an image element number change detector for detecting a change in the image element number of the differential image; and an address ratio change detector for calculating an address ratio of the differential image; or an equipment supervisory system comprising an image fetch device for fetching a reference image and an input image from an infrared image pick up device; a mask control device for masking the reference image and the input image; a differential operation device for calculating a differential image of an unmasked dividing image; a temperature distribution difference detector for detecting a maximum temperature and a mean temperature of a temperature distribution from the differential image and calculating a temperature distribution difference; and when the calculated temperature distribution difference is more than a predetermined level, detecting an abnormal sign. By using this invention, in any environmental conditions, early detection of smoke generation is automatically executed and early and accurate detection of an abnormal temperature can be realized.
    • 一种烟雾监控系统,包括:可见图像处理器,用于计算参考图像和输入图像之间的差分图像,并计算差分图像中的参数; 用于检测差分图像是否彼此重叠的地址重叠检测器; 用于检测差分图像的图像单元编号的变化的图像单元数量变化检测器; 以及地址比变化检测器,用于计算差分图像的地址比; 或包括用于从红外图像拾取装置获取参考图像和输入图像的图像获取装置的设备监控系统; 用于掩蔽参考图像和输入图像的掩模控制装置; 用于计算未屏蔽分割图像的差分图像的差分运算装置; 温度分布差检测器,用于从差分图像检测温度分布的最高温度和平均温度,并计算温度分布差; 并且当计算出的温度分布差大于预定水平时,检测异常信号。 通过使用本发明,在任何环境条件下,自动执行烟雾产生的早期检测,可以实现异常温度的早期且准确的检测。
    • 107. 发明授权
    • Apparatus for controlling fuel injection timing
    • 用于控制燃料喷射正时的装置
    • US4503830A
    • 1985-03-12
    • US582227
    • 1984-02-21
    • Tetsuya NakamuraNobuhito HoboYoshihiko TsuzukiYutaka SuzukiSatoshi HasedaAkira Masuda
    • Tetsuya NakamuraNobuhito HoboYoshihiko TsuzukiYutaka SuzukiSatoshi HasedaAkira Masuda
    • F02B3/06F02D41/14F02D41/40F02M59/20
    • F02D35/022F02D41/1497F02D41/401F02B3/06F02D2041/2027F02D2041/226F02D2200/0602F02D2200/063F02D41/408Y02T10/44
    • In a diesel engine controlling system having a fuel injection pump, a fuel injection timing adjusting device is controlled by a drive pulse signal whose duty cycle is controlled by a microcomputer. The duty cycle is determined such that a basic duty cycle obtained by using engine rotational speed and injection quantity, is modified or corrected by way of a correction factor and a forecast correction factor. The-first mentioned correction factor comprises an integration component and a proportional component both derived from the difference between a measured fuel injection or ignition timing and a desired or reference fuel injection or ignition timing, which is calculated by using the engine rotational speed and the injection quantity. The forecast correction factor corresponds to a differential value of the basic duty cycle or the desired fuel injection or ignition timing. In order to detect the fuel injection or ignition timing a timing detector is employed, where the state of an output signal from the detector is monitored to prohibit calculation of the difference or error, thereby correcting the basic duty cycle by only the forecast correction factor when the detector is in abnormal condition.
    • 在具有燃料喷射泵的柴油机控制系统中,燃料喷射正时调整装置由其微计算机控制占空比的驱动脉冲信号来控制。 确定占空比,使得通过使用发动机转速和喷射量获得的基本占空比通过校正因子和预测校正因子进行修改或校正。 首先提到的校正因子包括积分分量和比例分量,两者都是根据测量的燃料喷射或点火正时与通过使用发动机转速和喷射计算的所需或参考燃料喷射或点火正时之间的差导出的 数量。 预测校正因子对应于基本占空比或期望的燃料喷射或点火正时的差分值。 为了检测燃料喷射或点火正时,采用定时检测器,其中来自检测器的输出信号的状态被监视以禁止差异或误差的计算,从而仅通过预测校正因子来校正基本占空比 检测器处于异常状态。
    • 110. 发明申请
    • UNDERWATER RISING/FALLING DEVICE
    • 水下升降设备
    • US20140348593A1
    • 2014-11-27
    • US14344781
    • 2012-09-11
    • Hisayoshi KawaharaTetsuya NakamuraJungo Ohta
    • Hisayoshi KawaharaTetsuya NakamuraJungo Ohta
    • B63C11/52G01L19/00G01C21/12B66D1/48B66D1/60
    • B63C11/52B63B22/06B63B22/18B63B2205/06B66D1/485B66D1/525B66D1/60G01C21/12G01L19/0092
    • Provided is an underwater elevating apparatus, wherein the cable is not paid out unexpectedly by self-buoyancy while waiting underwater, excessive paying out of the cable may be prevented by a latch unit having simple mechanisms, and electric power does not be used needlessly. An underwater elevating apparatus (1), which rises or descends together with a flame (10) having an underwater observation apparatus (80) and buoyancy bodies (12) connected through a cable (11) anchored to the bottom, comprises: a stopper (51) halfway attached to the cable (11) at a lower position than the frame (10); a winch provided to the frame (10) for spooling and paying out of the cable (11); and a latch unit (30) provided to the frame (10), having opening or closing a plurality of hooks surrounding the cable (11), for causing the winch to stop spooling of the cable (11) while causing the plurality of hooks closed to seize the stopper (51) on the basis of a trigger according to pressure and contact with the stopper (51) by spooling thereof, and for causing the winch to start paying out of the cable from the plurality of hooks opened on the basis of the trigger by release of the stopper (51).
    • 本发明提供一种水下升降装置,其中,在水下等待时,电缆不会因自身浮力而意外地溢出,可以通过具有简单的机构的闩锁单元来防止电缆的过度支付,不会不必要地使用电力。 一种与具有水下观察装置(80)的火焰(10)一起上升或下降的水下升降装置(1),通过锚固在底部的电缆(11)连接的浮力体(12)包括:止挡件 51)在比框架(10)更低的位置处中途连接到电缆(11); 提供到所述框架(10)的绞盘以用于绕线和支付所述电缆(11); 以及设置到所述框架(10)的闩锁单元(30),其具有围绕所述电缆(11)的打开或闭合多个钩子,用于使所述绞盘停止所述电缆(11)的绕线,同时使所述多个闭合 根据压力根据触发器抓住止动器(51),并且通过其卷绕与止动器(51)接触,并且使得绞盘从基于以下方式打开的多个钩开始从电缆中支付 触发器通过释放止动器(51)。