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    • 53. 发明授权
    • Demodulator for digitally modulated wave
    • 数字调制波解调器
    • US5440587A
    • 1995-08-08
    • US272862
    • 1994-07-08
    • Tatsuya IshikawaNoboru Taga
    • Tatsuya IshikawaNoboru Taga
    • H04L27/00H04L27/233H03D3/22H04L27/14
    • H04L27/2332H04L2027/003H04L2027/0032H04L2027/0057H04L2027/0081
    • A QPSK modulated wave is inputted to an in-phase detector and an orthogonal detector. The detected components are converted to substantially a base band, and each component is digital-converted by A/D converters. Each digital component is spectrum-shaped by digital LPFs. The outputs of digital LPFs are inputted to a complex multiplier and calculated by use of first and second reproduction carriers and expressed as first and second calculation outputs, and inputted to a phase detector. The phase detector obtains phase difference data between the phase expressed by the first and second calculation outputs and a predetermined phase and quadrant data of the phase. The phase difference data is used for a PLL. The phase difference data is is inputted to a frequency error detection circuit detecting a frequency error. The frequency error output is smoothed by a filter of an AFC loop, and used as a control signal controlling the oscillation frequency of the local oscillation unit. If the frequency error is large, the frequency error detection circuit controls the AFC loop to be in an operation state and the PLL loop and the PLL loop to be in a fixed state. If the frequency error is small, the frequency error detection circuit contains the control state of the AFC loop and switches the PLL loop to be the operation state.
    • QPSK调制波被输入到同相检测器和正交检测器。 检测到的分量被转换成基本的基带,并且每个分量由A / D转换器进行数字转换。 每个数字组件都是数字LPF的频谱形式。 数字LPF的输出被输入到复数乘法器,并通过使用第一和第二再现载波进行计算并表示为第一和第二计算输出,并输入到相位检测器。 相位检测器获得由第一和第二计算输出表示的相位与相位的预定相位和象限数据之间的相位差数据。 相位差数据用于PLL。 相位差数据被输入到检测频率误差的频率误差检测电路。 频率误差输出由AFC回路的滤波器平滑,并用作控制本振单元的振荡频率的控制信号。 如果频率误差较大,则频率误差检测电路控制AFC回路处于工作状态,PLL环路和PLL环路处于固定状态。 如果频率误差较小,则频率误差检测电路包含AFC环路的控制状态,并将PLL环路切换为运行状态。
    • 55. 发明授权
    • Power transmission device
    • 动力传动装置
    • US09080670B2
    • 2015-07-14
    • US13233349
    • 2011-09-15
    • Takuya KomatsuTomoo AtarashiTatsuya Ishikawa
    • Takuya KomatsuTomoo AtarashiTatsuya Ishikawa
    • B60W10/04F16H63/34F16H61/32
    • F16H61/32B60W30/00F16H63/34F16H63/3425F16H63/3458F16H63/3466F16H2061/326Y10T74/2003Y10T74/20085
    • A power transmission device for a vehicle configured with a rotary power member, and a mechanism configured with a plurality of operational states. A switching shaft changes the operational state of the operating mechanism and is moved by an electric actuator. A control transmission transmits the power from the actuator to the shaft. The housing for the rotary member includes is configured so that the switching shaft projects outwards from the housing. The electric actuator is arranged at a location facing, of a surface of the housing portion of the case, a portion that does not overlap another portion where the switching shaft projects, when viewed in the axial direction of the rotational axis of the rotary member. A part of the actuator is arranged on a case side relative to a vertical line passing through the portion where the switching shaft projects from the housing portion of the case.
    • 一种用于车辆的动力传递装置,其配置有旋转动力构件,以及构造成具有多个操作状态的机构。 切换轴改变操作机构的操作状态并由电动执行器移动。 控制变速器将​​动力从致动器传递到轴。 用于旋转构件的壳体构造成使得切换轴从壳体向外突出。 电动致动器布置在面向壳体的壳体部分的表面的位置处,当从旋转构件的旋转轴线的轴向方向观察时,该部分不与切换轴突出的另一部分重叠。 致动器的一部分相对于穿过切换轴从壳体的壳体部分突出的部分的垂直线布置在壳体侧上。
    • 59. 发明申请
    • Method and Device For Assembling Swash Plate-Type Fluid Machine
    • 组装斜盘式流体机的方法和装置
    • US20100126012A1
    • 2010-05-27
    • US12089307
    • 2005-10-04
    • Tatsuya Ishikawa
    • Tatsuya Ishikawa
    • B23P15/00
    • F04B27/0873B23P19/04F04B9/02F04B27/0886F04B53/22Y10T29/49236Y10T29/53539Y10T29/53978
    • It is an object of the present invention to make it possible to automatically assemble a shaft assembly of a swash plate-type fluid machine regardless of whether or not there is a center hole formed in each of end surfaces of each of pistons. By using an assembly device (A1) for an assembly, a shaft assembly (S) having a plurality of pistons (2) each installed on an outer peripheral portion of a swash plate (3b) via shoes (4) is assembled. This assembly device (A1) has a shaft support portion (41) for supporting a shaft (3) having the swash plate (3b) in a vertical axis posture, a guide member (20), a shoe incorporation mechanism (30), a carriage (10) for conveying the plurality of pistons (2) in the vertical axis posture, and a piston holding portion (41) for holding the plurality of pistons (2), which are guided to the outer peripheral portion of the swash plate (3b), at circumferentially equidistant positions of the swash plate (3b), respectively, in the vertical axis posture. The guide member (20) is equipped with a first guide surface (22) and a second guide surface (23). The guide member (20) guides each of the pistons (2) to the outer peripheral portion of the swash plate (3b) to match a pair of the shoes (4) with both end surfaces of the swash plate (3b), respectively, while holding one of the pair of the shoes (4) incorporated in a neck portion (2a) of that piston (2) in slidable contact with the first guide surface (22) and another shoe (4) in slidable contact with the second guide surface (23). The shoe incorporation mechanism (30) inserts the pair of the shoes (4) between the piston (2) and the first guide surface (22) and between the piston (2) and the second guide surface (23), respectively.
    • 本发明的目的是使得可以自动组装斜盘式流体机械的轴组件,而不管在每个活塞的每个端面中是否存在中心孔。 通过使用用于组件的组装装置(A1),组装具有多个活塞(2)的轴组件(S),每个活塞通过鞋(4)安装在旋转斜盘(3b)的外周部分上。 该组装装置(A1)具有轴支撑部(41),用于以垂直轴姿态支撑具有斜板(3b)的轴(3),引导构件(20),鞋引入机构(30), 用于以垂直轴姿势输送多个活塞(2)的托架(10)和用于保持多个活塞(2)的活塞保持部分(41),其被引导到斜盘的外周部分 3b)分别在斜轴(3b)的周向等距位置。 引导构件(20)配备有第一引导表面(22)和第二引导表面(23)。 引导构件(20)将每个活塞(2)引导到旋转斜盘(3b)的外周部分,以分别与斜盘(3b)的两个端表面匹配一对鞋(4) 同时保持结合在该活塞(2)的颈部部分(2a)中的一对鞋子(4)中的一个与第一引导表面(22)可滑动接触,另一个鞋子(4)可与第二导向件滑动接触 表面(23)。 鞋引入机构30将一对鞋子(4)分别插入到活塞(2)和第一引导表面(22)之间,并且在活塞(2)和第二引导表面(23)之间分别插入。