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    • 1. 发明申请
    • Sensor node device and method for supporting mobility of mobile node in sensor network
    • 用于支持传感器网络中移动节点移动性的传感器节点设备和方法
    • US20070133469A1
    • 2007-06-14
    • US11604002
    • 2006-11-21
    • Chang ShinSeung ParkDong KimJoong KimWon Lee
    • Chang ShinSeung ParkDong KimJoong KimWon Lee
    • H04Q7/00
    • H04W48/20H04W40/16H04W40/20H04W40/34H04W84/18
    • Provided are a sensor node device and method for supporting mobility of a mobile node in a sensor network. The sensor node device includes: a network interface for communicating with a sink node, at least one neighboring sensor node, and the mobile node; a mobility supervisor for detecting a location of the mobile node, and deciding a sensor node for a service of a data packet received through the network interface on the basis of the detected location; a transmission decision maker for deciding a transmission mode for the data packet received through the network interface according to the location of the mobile node; and a state reporter for reporting a transmission state of the data packet through the sensor node device. When the mobile node moves to a place where radio wave propagation areas of sensor nodes overlap each other, the radio wave intensity of each sensor node is detected to perform a handoff to the sensor node of the area having the strongest radio wave intensity. Thus, a ping-pong problem caused by unnecessary repeated handoff, and a delay problem caused by too slow handoff, can be prevented.
    • 提供了一种用于支持传感器网络中的移动节点的移动性的传感器节点设备和方法。 传感器节点设备包括:用于与汇聚节点,至少一个相邻传感器节点和移动节点通信的网络接口; 用于检测所述移动节点的位置的移动性管理器,以及基于所述检测到的位置,通过所述网络接口确定用于服务接收到的数据分组的传感器节点; 传输决策器,用于根据移动节点的位置来决定通过网络接口接收的数据分组的传输模式; 以及状态报告器,用于通过传感器节点设备报告数据分组的传输状态。 当移动节点移动到传感器节点的无线电波传播区域彼此重叠的位置时,检测每个传感器节点的无线电波强度,以对具有最强无线电波强度的区域的传感器节点进行切换。 因此,可以防止由不必要的重复切换引起的乒乓问题,以及由于切换过慢造成的延迟问题。
    • 4. 发明申请
    • Optical pick-up actuator
    • 拾光执行器
    • US20070121225A1
    • 2007-05-31
    • US11605277
    • 2006-11-29
    • Chang ShinChang Song
    • Chang ShinChang Song
    • G02B7/02
    • G11B7/0932G02B7/08G11B7/093
    • An optical pick-up actuator includes a lens holder, a magnetic circuit, a wire spring, a wire holder, and a damper material receptacle. The lens holder includes an objective lens. The magnetic circuit moves the lens holder. The wire spring is coupled at one end thereof to a side of the lens holder, and supports the lens holder. The wire holder fixes the other end of the wire spring. The damper material receptacle defines an insert hole and a through-hole, through which the other end of the wire spring is inserted and passes. The damper material receptacle holds a predetermined damper material that absorbs vibrations imparted on the wire spring. The damper material defines an injecting hole, through which the damper material is injected, separately from the insert hole and the through-hole.
    • 光学拾取致动器包括透镜保持器,磁路,线弹簧,线夹和阻尼材料容器。 透镜架包括物镜。 磁路移动透镜架。 线弹簧的一端连接到透镜保持器的一侧,并支撑透镜架。 线架固定线弹簧的另一端。 阻尼器材料容器限定了插入孔和通孔,线弹簧的另一端穿过该通孔和通孔。 阻尼材料容器保持吸收线弹簧上施加的振动的预定阻尼材料。 阻尼材料与插入孔和通孔分开设置一个注入孔,通过该注入孔阻尼材料被注入。
    • 6. 发明申请
    • End plate for heat exchangers, heat exchanger having the same, and manufacturing method thereof
    • 热交换器用端板,具有该热交换器的热交换器及其制造方法
    • US20050133209A1
    • 2005-06-23
    • US10849243
    • 2004-05-20
    • Chi SongKang SeoChang Shin
    • Chi SongKang SeoChang Shin
    • F28F9/02F25B39/00F28D1/04F28F9/00
    • F28D1/0426F28F9/002Y10T29/4935
    • An end plate for heat exchangers, includes a plurality of bodies and a connecting part. Each of the plurality of bodies has a plurality of holes to allow a refrigerant pipe to pass through the plurality of bodies. The connecting part connects the plurality of bodies to each other, with a recess being provided on the connecting part to allow the connecting part to be easily bent. A manufacturing method includes preparing a plurality of fins arranged to provide two or more parallel rows of fin arrays, preparing an end plate provided on a side of the fin arrays to connect the fin arrays to each other, inserting a refrigerant pipe into the fin arrays and the end plate to provide an assembly including the refrigerant pipe, the fin arrays, and the end plate, and bending the assembly at a predetermined angle around the connecting part of the end plate.
    • 用于热交换器的端板包括多个主体和连接部。 多个主体中的每一个具有多个孔,以允许制冷剂管通过多个主体。 连接部将多个体彼此连接,在连接部上设置有凹部,能够使连接部容易弯曲。 一种制造方法,包括准备多个翅片,其布置成提供两个或更多个平行排的翅片阵列,准备设置在翅片阵列侧面的端板,以将翅片阵列彼此连接,将制冷剂管插入翅片阵列 和端板,以提供包括制冷剂管,翅片阵列和端板的组件,并且围绕端板的连接部分以预定角度弯曲组件。