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    • 51. 发明授权
    • Drive circuit
    • 驱动电路
    • US06844769B2
    • 2005-01-18
    • US10366524
    • 2003-02-14
    • Yasunori YamamotoTaishi Iwanaga
    • Yasunori YamamotoTaishi Iwanaga
    • H03K17/06H03K17/10H03L5/00
    • H03K19/00315H03K17/063H03K17/102
    • The amplitude expansion circuit as a main part of a drive circuit includes: a VM DC power supply line to which a voltage VM is applied; a VH DC power supply line to which a voltage VH roughly twice as high as the voltage VM is applied; an inverter circuit receiving a pulse signal oscillating between the ground voltage and the voltage VM; another inverter circuit receiving a pulse signal oscillating between the voltage VM and the voltage VH in correspondence with the oscillation of the voltage level of the above pulse signal; a p-channel MOSFET having a gate receiving an output from the inverter circuit; another p-channel MOSFET having a gate connected to the VM DC power supply line; an n-channel MOSFET having a gate connected to the VM DC power supply line; and another n-channel MOSFET having a gate receiving an output from the other inverter circuit. A common connection node of the p-channel MOSFET and the n-channel MOSFET works as the output terminal of the amplitude expansion circuit.
    • 作为驱动电路的主要部分的振幅扩大电路包括:施加电压VM的VM直流电源线; VH电压线,其电压VH大约是电压VM的两倍; 接收在接地电压和电压VM之间振荡的脉冲信号的逆变器电路; 另一个逆变器电路,与上述脉冲信号的电压电平的振荡相对应地接收在电压VM与电压VH之间振荡的脉冲信号; 具有接收来自反相器电路的输出的栅极的p沟道MOSFET; 具有连接到VM ​​DC电源线的栅极的另一个p沟道MOSFET; 具有连接到VM ​​DC电源线的栅极的n沟道MOSFET; 以及另一个n沟道MOSFET,其栅极接收来自另一个反相器电路的输出。 p沟道MOSFET和n沟道MOSFET的公共连接节点用作幅度扩展电路的输出端。
    • 52. 发明授权
    • Output controller
    • 输出控制器
    • US06424131B1
    • 2002-07-23
    • US09762890
    • 2001-02-13
    • Yasunori YamamotoShinji TanakaMinoru Miyake
    • Yasunori YamamotoShinji TanakaMinoru Miyake
    • G05F140
    • H03K17/6871H03K17/0822H03K17/145
    • The object of the present invention is, in a power control device including an auxiliary circuit that is connected in parallel to an output circuit and controls an adjusting current smaller by a substantially constant ratio than an output current, to control the ratio of the output current to the adjusting current at a constant level by controlling the output circuit and the auxiliary circuit so that the potentials of the corresponding terminals agree with each other. As a means for attaining the object, the power control device comprises a bridge of four branches including an output circuit, an auxiliary circuit, a load, and either of a current detector or a current setting circuit. The power control device detects the potential difference between the terminals of the output circuit and the corresponding terminals of the auxiliary circuit and feeds back the potential difference to one of the four branches of the bridge and changes the equivalent impedance of the branch, thereby controlling the bridge to keep the balance.
    • 本发明的目的在于,在包括与输出电路并联连接的辅助电路并控制比输出电流大的恒定比例的调整电流的功率控制装置中,控制输出电流的比例 通过控制输出电路和辅助电路使调节电流处于恒定电平,使得相应端子的电位彼此一致。 作为实现该目的的手段,功率控制装置包括四个分支的桥,包括输出电路,辅助电路,负载以及电流检测器或电流设定电路中的任一个。 功率控制装置检测输出电路的端子和辅助电路的相应端子之间的电位差,并将电位差反馈到桥的四个分支中的一个,并改变分支的等效阻抗,从而控制 桥梁保持平衡。
    • 56. 发明授权
    • Suspension system for a vehicle
    • 车辆悬挂系统
    • US5269557A
    • 1993-12-14
    • US783183
    • 1991-10-28
    • Tetsuro ButsuenYasunori YamamotoTohru Yoshioka
    • Tetsuro ButsuenYasunori YamamotoTohru Yoshioka
    • B60G17/015F16F9/46B60G11/26
    • F16F9/468B60G17/015B60G2400/10B60G2400/204B60G2400/252B60G2400/41B60G2400/518B60G2400/82B60G2400/90B60G2400/91B60G2500/10B60G2600/184
    • In a suspension system for a vehicle comprising a shock absorber of which damping force characteristics can be changed into four or more characteristics, detecting means detect the oscillation frequency range of the sprung member of the vehicle and a bumpy road. From the four or more damping force characteristics of the shock absorber, the number of characteristics on the higher level side are limited to two or so when the sprung member is in a low frequency oscillation range, that of the characteristics on the lower level side are limited to two or so when the sprung member is in a high frequency oscillation range, and that of the characteristics on the medium level side are limited to two or so when a road is bumpy. The damping force characteristic of the shock absorber is selected and changed on the basis of a given control rule only within the limited damping force characteristics. Thus, it is possible to prevent noise and oscillation from being caused by the large change of the damping force characteristic. Furthermore, there can be obtained comfortableness to ride in and stability on a high level.
    • 在一种用于车辆的悬架系统中,检测装置检测车辆弹簧构件和颠簸路的振荡频率范围,该缓冲器包括阻尼力特性可以改变为四个或更多特性的减震器。 从减震器的四个以上的阻尼力特性来看,当弹簧构件处于低频振荡范围时,较高侧的特性数量被限制在两个左右,而下一侧的特性的数量是 当弹簧构件处于高频振荡范围时限制为两个左右,而当路面颠簸时,中等水平侧的特性被限制在两个左右。 基于给定的控制规则,仅在有限的阻尼力特性内选择和改变减震器的阻尼力特性。 因此,可以防止噪声和振动由阻尼力特性的大的变化引起。 此外,可以获得在高水平上的舒适性和稳定性。
    • 59. 发明授权
    • Suspension system for a vehicle
    • 车辆悬架系统
    • US5172929A
    • 1992-12-22
    • US783137
    • 1991-10-28
    • Tetsuro ButsuenYasunori YamamotoTohru Yoshioka
    • Tetsuro ButsuenYasunori YamamotoTohru Yoshioka
    • B60G17/015F16F9/46
    • B60G17/015F16F9/468B60G2400/10B60G2400/104B60G2400/204B60G2400/252B60G2400/41B60G2400/518B60G2400/82B60G2400/90B60G2400/91B60G2500/10B60G2600/02B60G2800/24
    • In a suspension system for a vehicle comprising a shock absorber of which damping force characteristic can be changed into three or more characteristics, the predetermined running state of the vehicle is detected by detecting means and there is limited to two or so the number of the damping force characteristics to be selected from the three or more characteristics of the shock absorber according to the running state. The damping force characteristic of the shock absorber is selected and changed on the basis of a given control rule only within the limited damping force characteristics. In addition, the threshold of the control rule is changed such that the damping force characteristic of the shock absorber can easily be changed into the higher or lower level side according to the rate of change in the predetermined running state. Thus, it is possible to prevent noise and oscillation from being caused by the large change of the damping force characteristic. Furthermore, there can be obtained comfortableness to ride in and stability on a high level.
    • 在一种用于车辆的悬架系统中,其特征在于阻尼力特性可以改变为三个或更多个特征的减震器,通过检测装置检测车辆的预定行驶状态,并且限制了两个或更多个阻尼 根据运行状态从减震器的三个或更多个特性中选择力特性。 基于给定的控制规则,仅在有限的阻尼力特性内选择和改变减震器的阻尼力特性。 此外,改变控制规则的阈值,使得减震器的阻尼力特性可以根据预定行驶状态的变化率容易地变成高级或低级侧。 因此,可以防止噪声和振动由阻尼力特性的大的变化引起。 此外,可以获得在高水平上的舒适性和稳定性。
    • 60. 发明授权
    • Multi-input differential amplifier and light emitting element driving device
    • 多输入差分放大器和发光元件驱动装置
    • US08587372B2
    • 2013-11-19
    • US13149218
    • 2011-05-31
    • Kazuhito KimuraYasunori Yamamoto
    • Kazuhito KimuraYasunori Yamamoto
    • H03F9/00H03L5/00G05F1/00
    • H03F3/45475H03F3/45179H05B33/0815H05B33/0827H05B33/0842
    • A multi-input differential amplifying device of the present invention includes: a differential amplifier having an inverting input terminal and a non-inverting input terminal; and an input portion configured to apply a first input voltage to a first input terminal that is one of the inverting input terminal and the non-inverting input terminal and apply a second input voltage to a second input terminal that is the other input terminal, the first input voltage corresponding to first input signals that are a plurality of input signals for the first input terminal, the second input voltage corresponding to a second input signal that is one input signal for the second input terminal. The input portion is configured to correct an offset voltage between the first input voltage and the second input voltage.
    • 本发明的多输入差分放大装置包括:具有反相输入端和非反相输入端的差分放大器; 以及输入部,被配置为将第一输入电压施加到作为反相输入端和非反相输入端之一的第一输入端,并将第二输入电压施加到作为另一输入端的第二输入端, 对应于作为第一输入端子的多个输入信号的第一输入信号的第一输入电压,对应于作为第二输入端子的一个输入信号的第二输入信号的第二输入电压。 输入部分被配置为校正第一输入电压和第二输入电压之间的偏移电压。