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    • 41. 发明授权
    • Dual type hydraulic braking system for a vehicle
    • 用于车辆的双重液压制动系统
    • US4302056A
    • 1981-11-24
    • US114650
    • 1980-01-23
    • Hiroshi Kawaguchi
    • Hiroshi Kawaguchi
    • B60T8/26B60T11/24B60T17/18G05D16/10B60T13/00
    • B60T8/265B60T11/24
    • A hydraulic braking system for a vehicle having independent dual braking circuits delivers the hydraulic pressure produced in a master cylinder to each wheel cylinder mounted on the front and rear wheels. A pressure control valve is provided with a portion similarly constructed to the ordinary proportioning valve. A first piston disposed in this portion for the hydraulic pressure control operation confronts a second piston, which is with a spring constantly biased theretoward and provided with a small-diametered portion and a large-diametered portion. The second piston is placed such that the small-diametered portion thereof confronts the first piston in one air chamber and the large-diametered portion thereof is extended into another air chamber, an end surface of which large-diametered portion on the side of the small-diametered portion being affected by the hydraulic pressure from the other or opposite circuit from one circuit wherein the pressure control valve controls the hydraulic pressure.
    • 用于具有独立双制动回路的车辆的液压制动系统将主缸中产生的液压传递到安装在前轮和后轮上的每个轮缸。 压力控制阀设有类似于普通配比阀构成的部分。 设置在该部分中用于液压控制操作的第一活塞面对第二活塞,第二活塞具有恒定偏压到其上并具有小直径部分和大直径部分的弹簧。 第二活塞被放置成使得其小直径部分在一个空气室中面对第一活塞,并且其大直径部分延伸到另一个空气室中,其端面在小的一侧的大直径部分 - 其中压力控制阀控制液压的来自一个回路的另一个或相对回路的液压受到影响。
    • 42. 发明授权
    • Dual type hydraulic circuit for a vehicle brake
    • 用于车辆制动器的双重液压回路
    • US4212498A
    • 1980-07-15
    • US961602
    • 1978-11-17
    • Hiroshi Kawaguchi
    • Hiroshi Kawaguchi
    • B60T8/26B60T11/24B60T17/18G05D16/10
    • B60T11/24B60T8/26
    • A dual type hydraulic circuit for a vehicle brake which comprises a control valve for controlling the hydraulic pressure in the rear wheel cylinders such that the distribution of braking pressure to the front and rear wheels may be appropriate in either cases, when both circuits are in normal function or when one circuit is faulty. The control valve includes a proportioning valve with a valve piston for opening and closing a fluid passage to the rear wheel cylinder, and a differential piston for controlling the operation of the valve piston in accordance with the hydraulic pressure in the both hydraulic circuits acting on its two pressure-receiving faces dissimilar in the respective area. The differential piston is provided with a small diameter portion and a large diameter portion, being constantly biased in an direction away from the control valve piston, in order to keep a distance larger than the space necessitated for the valve piston stroke to do a controlling operation, while being in confrontation at its small diameter portion to the valve piston. The large diameter portion of the differential piston receives the pressure, on its smaller pressure-receiving face on the nearer side to the smaller diameter portion, in the hydraulic circuit which is not controlled by the control valve, and the other pressure, on the larger pressure-receiving face thereof, in the hydraulic circuit controlled by the control valve.
    • 一种用于车辆制动器的双重液压回路,其包括用于控制后轮气缸中的液压的控制阀,使得在两种电路都处于正常状态时,在前后轮的制动压力分配在两种情况下都是适当的 功能或一个电路故障时。 控制阀包括具有用于打开和关闭到后轮缸的流体通道的阀活塞的比例阀,以及用于根据作用在其上的两个液压回路中的液压压力来控制阀活塞的操作的差动活塞 两个压力接收面在相应的区域不相似。 差动活塞设置有小直径部分和大直径部分,其沿远离控制阀活塞的方向恒定地偏压,以便保持比阀活塞行程所需的空间更大的距离进行控制操作 同时在其与阀活塞的小直径部分处于对抗状态。 差压活塞的大直径部分在其不受控制阀控制的液压回路中的较小直径部分较小的压力接收面上承受压力,另一个压力在更大的压力 在由控制阀控制的液压回路中的压力接收面。
    • 48. 发明授权
    • Sensor network system for acquiring high quality speech signals and communication method therefor
    • 用于获取高质量语音信号的传感器网络系统及其通信方法
    • US08600443B2
    • 2013-12-03
    • US13547426
    • 2012-07-12
    • Hiroshi KawaguchiMasahiko YoshimotoShintaro Izumi
    • Hiroshi KawaguchiMasahiko YoshimotoShintaro Izumi
    • H04B1/38
    • H04R3/005G10L2021/02166H04R1/406H04R2201/401
    • A sensor network system including node devices connected in a network via predetermined propagation paths collects data measured at each node device to be aggregated into one base station via a time-synchronized sensor network system. The base station calculates a position of the signal source based on the angle estimation value of the signal from each node device and position information thereof, designates a node device located nearest to the signal source as a cluster head node device, and transmits information of the position of the signal source and the designated cluster head node device to each node device, to cluster each node device located within the number of hops from the cluster head node device as a node device belonging to each cluster. Each node device performs an emphasizing process on the received signal from the signal source, and transmits an emphasized signal to the base station.
    • 包括经由预定传播路径连接在网络中的节点设备的传感器网络系统经由时间同步的传感器网络系统收集在每个节点设备测量的要聚合成一个基站的数据。 基站基于来自各节点装置的信号的角度估计值及其位置信息来计算信号源的位置,将位于最靠近信号源的节点装置指定为簇头节点装置,并发送信息源 信号源和指定的簇头节点设备的位置到每个节点设备,将位于簇头节点设备内的跳数内的每个节点设备聚类为属于每个集群的节点设备。 每个节点设备对来自信号源的接收信号执行强调处理,并将强调信号发送到基站。