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    • 63. 发明授权
    • Multiplication circuit
    • 乘法电路
    • US5835387A
    • 1998-11-10
    • US791022
    • 1997-01-27
    • Gouliang ShouKazunori MotohashiSunao TakatoriMakoto Yamamoto
    • Gouliang ShouKazunori MotohashiSunao TakatoriMakoto Yamamoto
    • G06J1/00
    • G06J1/00
    • Multiplication is performed including accumulation at high speed by a small quantity of hardware. Analog voltage X.sub.i corresponding to each element of the first input data string is input to capacitance switching circuits 10.sub.1 to 10.sub.n through input terminals 1.sub.1 to 1.sub.n. m bit of digital control data A.sub.i corresponding to each element of the second input data string are input to each capacitance switching circuit 10.sub.i, and each bit a.sub.j of the control signal A.sub.j is input to the corresponding multiplexer circuit 6.sub.ij. In the multiplexer circuit 6.sub.ij, the capacitances C.sub.ij corresponding to the value of each bit of the control signal a.sub.j are connected to the input terminal 1.sub.i or the reference charge V.sub.STD. The voltages corresponding to the products of inputted analog voltages X.sub.1 and the control signals A.sub.i are outputted from each capacitance switching circuit 10.sub.j. The output voltages of each capacitance switching circuit 10.sub.i are parallelly inputted to the operational amplifier 3 connected by a feedback capacitance Cf, and the sum of the input voltages is outputted from the operational amplifier 3. On the other hand, in order to provide a multiplication circuit of high calculation speed without deteriorating the calculation accuracy and circuit density, a multiplication circuit according to the present invention has a MOS switch or MOS multiplexer the MOS of which has a gate with width and length so that a time constant defined by the input capacitance and the switch etc. is constant.
    • 执行乘法,包括由少量硬件高速累积。 对应于第一输入数据串的每个元件的模拟电压Xi通过输入端子11至1n输入到电容切换电路101至10n。 对应于第二输入数据串的每个元件的数字控制数据Ai的m位被输入到每个电容切换电路10i,并且控制信号Aj的每个位aj被输入到相应的多路复用器电路6ij。 在复用器电路6ij中,与控制信号aj的每个位的值相对应的电容Cij连接到输入端1i或参考电荷VSTD。 从各电容切换电路10j输出与输入的模拟电压X1的乘积对应的电压和控制信号Ai。 每个电容切换电路10i的输出电压被并行地输入到由反馈电容Cf连接的运算放大器3,并且从运算放大器3输出输入电压的和。另一方面,为了提供乘法 具有高计算速度的电路,而不降低计算精度和电路密度,根据本发明的乘法电路具有MOS开关或MOS多路复用器,其MOS具有宽度和长度的栅极,使得由输入电容定义的时间常数 并且开关等是恒定的。
    • 66. 发明授权
    • Interface circuit having a plurality of thresholding circuits
    • 接口电路具有多个阈值电路
    • US5661482A
    • 1997-08-26
    • US536243
    • 1995-09-29
    • Guoliang ShouKazunori MotohashiMakoto YamamotoSunao Takatori
    • Guoliang ShouKazunori MotohashiMakoto YamamotoSunao Takatori
    • H03M1/34G06J1/00H03M1/74H03K19/0175H03K19/00
    • G06J1/00
    • An interface circuit comprising a digital to analog converter which comprises a register for receiving and holding each bit of a digital signal, a capacitive coupling for integrating total bits held in the register with weighting, an inverted amplifier circuit for receiving an output of the capacitive coupling and for outputting an analog output voltage, and a feedback capacitance for connecting an outputs of the inverted amplifier circuit to an input of the inverted amplifier circuit, an analog signal line to which the analog output voltage is connected, and an analog to digital converter which comprises a plurality thresholding circuits with stepwise thresholds to which the analog signal line is commonly inputted, each the thresholding circuit receiving outputs of the thresholding circuits of higher threshold with weighting so that the thresholding circuits repeatedly change the outputs from high level to low level or from low level to high level.
    • 一种接口电路,包括数模转换器,其包括用于接收和保持数字信号的每一位的寄存器,用于将保持在寄存器中的总比特积分为加权的电容耦合,反相放大器电路,用于接收电容耦合的输出 并且用于输出模拟输出电压,以及用于将反相放大器电路的输出连接到反相放大器电路的输入的反馈电容,连接有模拟输出电压的模拟信号线以及模数转换器, 包括具有逐步阈值的多个阈值电路,模拟信号线被共同地输入到该阈值电路中,每个阈值电路通过加权接收具有较高阈值的阈值电路的输出,使得阈值电路将输出从高电平重复地改变为低电平或从 低级到高级。
    • 70. 发明授权
    • Electrical energy-transforming equipment
    • 电能转换设备
    • US5596467A
    • 1997-01-21
    • US223092
    • 1994-04-04
    • Makoto Yamamoto
    • Makoto Yamamoto
    • H02B5/00H01F27/40H01F38/34H02H7/04
    • H01F38/34H01F27/40
    • An electrical energy-transforming equipment comprises a transformer arranged within a cubicle, a current transformer and a potential transformer both connected to the transformer. The transformer, the current transformer and the potential transformer are molded in one piece. In another form of the electrical energy-transforming equipment, a transformer for distributing electric power, which is molded with an insulating material, such as a synthetic resin or a synthetic rubber, is molded in one piece with a current transformer and a potential transformer both connected thereto, with an insulating material, such as a synthetic resin or a synthetic rubber. The electrical energy-transforming equipment may further comprise a breaker also molded in one piece with the rest thereof, with the insulating material. In the other form, a transformer which is molded with an insulating material, such as a synthetic resin or a synthetic rubber, is removably coupled with a current transformer and a potential transformer each molded with an insulating material, such that the current transformer and the potential transformer are electrically connected to the transformer inside the insulating material.
    • 电能转换设备包括布置在柜内的变压器,电流互感器和与变压器相连接的电压互感器。 变压器,电流互感器和电压互感器被模制成一体。 在电能转换设备的另一种形式中,用诸如合成树脂或合成橡胶的绝缘材料模制的用于分配电力的变压器与电流互感器和电压互感器两者模制成一体 与合成树脂或合成橡胶等绝缘材料连接。 电能转换设备还可以包括与绝缘材料一体模制成其余部分的断路器。 在另一种形式中,用绝缘材料(例如合成树脂或合成橡胶)模制的变压器可拆卸地与电流互感器和电压互感器耦合,每个模拟绝缘材料,使得电流互感器和 电压互感器与绝缘材料内部的变压器电连接。