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    • 127. 发明授权
    • Battery state monitoring circuit and battery device
    • 电池状态监测电路和电池装置
    • US06239581B1
    • 2001-05-29
    • US09450158
    • 1999-11-29
    • Shinichi Yoshida
    • Shinichi Yoshida
    • H01M1046
    • G01R19/16542
    • A battery pack has a rechargeable power source, external connection terminals for connecting the power source to at least one of a load and a charger, a switching element for terminating a current flowing in the power source and a battery state monitoring circuit for detecting at least one of a voltage and a current of the power source and producing a corresponding output signal. The battery state monitoring circuit has an overcurrent detection circuit for detecting an overcurrent state of the power source and controlling the switching element to terminate current flow in the power source when an overcurrent state is detected. The overcurrent detection circuit comprises a sense resistor not formed of a transistor element connected in series with the power source for producing a voltage drop thereacross proportional to the current in the power source, and a comparator for comparing the voltage drop across the resistor to a reference voltage and producing a comparison output signal, wherein the reference voltage is set to a value at which the voltage drop across the resistor indicates an overcharge state of the power source.
    • 电池组具有可充电电源,用于将电源连接到负载和充电器中的至少一个的外部连接端子,用于终止在电源中流动的电流的开关元件和用于至少检测的电池状态监视电路 电源的电压和电流之一,并产生相应的输出信号。 电池状态监视电路具有用于检测电源的过电流状态的过电流检测电路,并且当检测到过电流状态时控制开关元件以终止电源中的电流。 过电流检测电路包括不由与电源串联连接的晶体管元件形成的检测电阻器,用于产生与电源中的电流成比例的电压降;以及用于将电阻器两端的电压降与参考电压进行比较的比较器 电压并产生比较输出信号,其中参考电压被设置为电阻两端的电压降指示电源的过充电状态的值。
    • 128. 发明授权
    • Digital filter processing device
    • 数字滤波处理装置
    • US5928312A
    • 1999-07-27
    • US614011
    • 1996-03-12
    • Ricardo T. ShichikuShinichi Yoshida
    • Ricardo T. ShichikuShinichi Yoshida
    • H03H21/00G06F15/82G06T5/20G06T9/00H03H17/06G06F17/10
    • H03H17/06
    • A digital filter processing device receives image data of a frame in the order of time series in scanning the frame for carrying out a filter process for every group of image data corresponding to each of a plurality of regions of a predetermined size in the frame. The device receives image data in the order of time series of the scanning operation of a frame to multiply the input image data by a corresponding filter coefficient. This multiplied result is accumulated for every group to be output as an accumulation result. As a result, a region for storing a multiplied result which is an intermediate result of the filter process and an operation for reading out the multiplied result from the storage region for accumulation can be eliminated. Therefore, a filtering process of a frame can be carried out at high speed and in real-time.
    • 数字滤波处理装置在扫描帧中以时间顺序的顺序接收帧的图像数据,以对与帧中的预定大小的多个区域中的每一个对应的每组图像数据进行滤波处理。 该装置按照帧的扫描操作的时间序列的顺序接收图像数据,以将输入的图像数据乘以相应的滤波器系数。 对于作为累加结果的每个组被输出,累加该乘法结果。 结果,可以消除用于存储作为滤波处理的中间结果的相乘结果的区域和用于从用于累积的存储区域读出相乘结果的操作。 因此,帧的滤波处理可以高速且实时地进行。