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    • 1. 发明授权
    • Up/down counter device with reduced number of discrete circuit elements
    • 具有减少数量的分立电路元件的上/下计数器件
    • US4741006A
    • 1988-04-26
    • US754398
    • 1985-07-12
    • Akira YamaguchiKoichi SatohHidemi IsekiHiroshi Shigehara
    • Akira YamaguchiKoichi SatohHidemi IsekiHiroshi Shigehara
    • H03K23/56H03K23/00H03K23/04
    • H03K23/56
    • An up/down counter device includes a D-type flip-flop circuit for producing a count signal of the 0th bit in synchronism with a clock signal, and 1st to n-th flip-flop circuits for producing count signals of the 1st to the n-th bits in synchronism with a clock signal. The first logic circuit is connected between the output of the D-type flip-flop circuit and the JK terminals of the first flip-flop circuit. The first stage logic circuit includes a first logic circuit section supplied with an up/down mode signal and the output signal of the D-type flip-flop circuit, and a second logic circuit connected in series with with the first logic circuit. Each of the 2nd to the n-th stage logic circuits includes a first logic circuit which is connected between the output terminal of the prestage flip-flop circuit and the JK terminals of the post stage flip-flop circuit, and a second logic circuit section connected to the first logic circuit. The output of the first logic circuit section of each of the first to the n-th logic circuits is connected to the input of the first logic circuit section of the post stage logic circuit.
    • 上/下计数器装置包括用于产生与时钟信号同步的第0位的计数信号的D型触发器电路,以及用于产生第1至第1位计数信号的第1至第n触发器电路 第n位与时钟信号同步。 第一逻辑电路连接在D型触发器电路的输出端与第一触发器电路的JK端子之间。 第一级逻辑电路包括被提供有上/下模式信号和D型触发器电路的输出信号的第一逻辑电路部分和与第一逻辑电路串联连接的第二逻辑电路。 第二至第n级逻辑电路中的每一个包括连接在前级触发器电路的输出端子和后级触发器电路的JK端子之间的第一逻辑电路,以及第二逻辑电路部分 连接到第一逻辑电路。 第一至第n逻辑电路中的每一个的第一逻辑电路部分的输出连接到后级逻辑电路的第一逻辑电路部分的输入端。
    • 2. 发明授权
    • Circuit for comparing two or more frequencies
    • 用于比较两个或更多个频率的电路
    • US4599580A
    • 1986-07-08
    • US672478
    • 1984-11-16
    • Akira YamaguchiHiroshi ShigeharaHidemi Iseki
    • Akira YamaguchiHiroshi ShigeharaHidemi Iseki
    • G01R23/00G10L19/02H03K3/0231H03K4/02H03L7/08
    • H03K4/023G01R23/005G10L19/02H03K3/0231
    • According to a frequency comparing circuit of the present invention, there is provided a negative switched capacitor circuit having negative equivalent resistance, the value of which is determined according to the reference frequency and the frequency to be compared, and a positive switched capacitor circuit having positive equivalent resistance, the value of which is determined according to the reference frequency. A constant DC voltage is supplied in parallel to one terminal of the two switched capacitor circuits. The respective terminals of the switched capacitor circuits are commonly connected in order to produce the composite current of both output currents of the two switched capacitor circuits. The composite current is integrated by an integrator. Further, there is provided a Schmitt-type oscillating circuit. The oscillating frequency signal from the Schmitt-type oscillating circuit is supplied to the negative switched capacitor circuit. The higher level threshold voltage of the Schmitt-type oscillating circuit is determined according to the composite current of both output currents of the two switched capacitor circuits, thereby adjusting the frequency of the oscillating signal of the Schmitt-type oscillating circuit. The oscillating signal is supplied to the positive switched capacitor circuit. The lower level threshold voltage of the Schmitt-type oscillating circuit is determined according to the composite current of both output currents of the two switched capacitor circuits. Therefore, the frequency of the oscillating signal of the Schmitt-type oscillating circuit is adjusted.
    • 9. 发明授权
    • Cognitive function training unit
    • 认知功能训练单位
    • US08016770B2
    • 2011-09-13
    • US11596988
    • 2005-05-25
    • Yu ChibaShogo FukushimaShuji MurakamiSatoru InakagataAkira Yamaguchi
    • Yu ChibaShogo FukushimaShuji MurakamiSatoru InakagataAkira Yamaguchi
    • A61B13/00
    • A61H5/00A61B5/16
    • A cognitive function training unit including an eye-target showing unit for showing a movable eye-target on a display disposed in front of the subject's eye, an eye movement measuring unit for measuring a position and/or movement of the subject's eye, and a judgment unit for judging whether or not the subject can fixedly look at or follow the eye-target based on the position and/or the movement of the eye-target shown on the display and the position and/or the movement of the subject's eye measured by the eye movement measuring unit, and the eye-target showing unit shows the eye-target repeatedly while changing the position and/or the movement of the eye-target according to a judgment result of the judgment unit. Therefore, it is possible to show a suitable eye-target according to a symptom of a patient, whereby it is possible to conduct training efficiently.
    • 认知功能训练单元,其包括用于在被检眼的前方设置的显示器上显示可动眼目标的眼目显示单元,用于测量被检者的眼睛的位置和/或移动的眼动测量单元,以及 判断单元,用于基于显示器上显示的眼睛目标的位置和/或运动以及被测者的眼睛的位置和/或运动被测量来判断对象是否可以固定地观看或跟随目标对象 并且眼睛目标显示单元根据判断单元的判断结果改变眼睛目标的位置和/或移动,反复显示眼睛目标。 因此,可以根据患者的症状来显示合适的眼睛目标,从而可以有效地进行训练。