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    • 61. 发明授权
    • Method, device and system for updating routes after node fails in P2P network
    • P2P网络节点故障后更新路由的方法,设备和系统
    • US08248919B2
    • 2012-08-21
    • US12605931
    • 2009-10-26
    • Guangyu ShiJian ChenHao Gong
    • Guangyu ShiJian ChenHao Gong
    • H04J1/16
    • H04L45/28H04L45/02H04L45/025H04L67/104H04L67/1048
    • A method for updating routing table information after a node fails in a P2P network is disclosed herein. The method includes: the range of the nodes whose route is directed to the failed node is determined according to the distance between the failed node and the neighboring node of the failed node; the failure information of the failed node is sent to the LDN of the failed node within the node range; and the LDN updates the routing table according to the failure information. A network device and a P2P communication network are also disclosed herein. The embodiments of the present invention enhance the capability of the whole P2P network in perceiving node churn and improve the route search efficiency and system stability of the whole P2P network.
    • 这里公开了在P2P网络中节点故障之后更新​​路由表信息的方法。 该方法包括:根据故障节点与故障节点的相邻节点之间的距离确定路由指向故障节点的节点范围; 故障节点的故障信息发送到节点范围内的故障节点的LDN; LDN根据故障信息更新路由表。 本文还公开了网络设备和P2P通信网络。 本发明的实施例提高了整个P2P网络感知节点流失的能力,提高了整个P2P网络的路由搜索效率和系统稳定性。
    • 63. 发明授权
    • User data server system, method and apparatus
    • 用户数据服务器系统,方法和装置
    • US08230063B2
    • 2012-07-24
    • US12829752
    • 2010-07-02
    • Guangyu ShiLingyuan FanJian ChenHao Gong
    • Guangyu ShiLingyuan FanJian ChenHao Gong
    • G06F15/173G06F15/16H04L12/28
    • H04L67/104H04L67/1065
    • A user data server system includes: a data storage node, which stores user data, registers the user data in a Distributed Hash Table (DHT) network by using a key, and receives and processes user data operation requests; a DHT index node, which creates and maintains DHT routing information according to a DHT algorithm and stores information of data storage nodes where user data is stored according to the key and searches for information of a data storage node where target user data is stored according to the key; a DHT super maintenance node, which manages and optimizes the DHT network; and a front end node capable of protocol processing and service processing, which obtains a key associated with a target user and obtains information of a data storage node where the target user data is stored by querying the DHT index node via the DHT network according to the key, and performs operations on the user data stored in the data storage node where the target user data is stored. With the technical solution provided by the present invention, a user data server is not centralized and is highly scalable and highly reliable with a high cost-effectiveness.
    • 用户数据服务器系统包括:存储用户数据的数据存储节点,通过使用密钥将用户数据注册在分布式散列表(DHT)网络中,并且接收和处理用户数据操作请求; DHT索引节点,其根据DHT算法创建和维护DHT路由信息,并且根据密钥存储用户数据存储的数据存储节点的信息,并根据密钥搜索存储目标用户数据的数据存储节点的信息,根据 钥匙; DHT超维护节点,管理和优化DHT网络; 以及能够进行协议处理和服务处理的前端节点,其通过根据所述DHT网络查询所述DHT索引节点,获得与目标用户相关联的密钥,并获取存储所述目标用户数据的数据存储节点的信息 并对存储在存储目标用户数据的数据存储节点中的用户数据执行操作。 利用本发明提供的技术方案,用户数据服务器不是集中的,并且具有高度可扩展性和高可靠性,而且具有高成本效益。
    • 65. 发明授权
    • Power factor correction power supply unit, and control circuit and control method used in the same
    • 功率因数校正电源单元,以及使用的控制电路和控制方法
    • US08089255B2
    • 2012-01-03
    • US12461979
    • 2009-08-31
    • Jian Chen
    • Jian Chen
    • G05F1/00
    • H02M1/4225Y02B70/126Y02P80/112
    • A power factor correction power supply unit for correcting a power factor includes a switching device, an input voltage detection circuit, an output voltage detection circuit, an error amplifier for outputting an error signal obtained by amplifying a difference between an output voltage detection signal and a reference voltage, an ON width generation circuit for generating an ON time width, an OFF width generation circuit for generating an OFF time width of the switching device, and a switching device driving circuit. The drive circuit conducts an ON/OFF control over the switching device upon receiving a turn-on timing signal for turning on the switching device as soon as the OFF time width is terminated and upon receiving a turn-off timing signal for turning off the switching device as soon as the ON time width is terminated.
    • 用于校正功率因数的功率因数校正电源单元包括开关器件,输入电压检测电路,输出电压检测电路,误差放大器,用于输出通过放大输出电压检测信号和 参考电压,用于产生导通时间宽度的ON宽度产生电路,用于产生开关装置的OFF时间宽度的OFF宽度产生电路和开关装置驱动电路。 一旦OFF时间宽度终止,接收到接通开关装置的接通定时信号,并且当接收到用于关断开关的关断定时信号时,驱动电路对开关装置进行ON / OFF控制 一旦ON时间宽度终止,设备即可。
    • 67. 发明申请
    • METHOD, APPARATUS, AND SYSTEM FOR PROCESSING MEDIA DATA
    • 用于处理媒体数据的方法,装置和系统
    • US20110258294A1
    • 2011-10-20
    • US13168318
    • 2011-06-24
    • Jiying DuiChunrong YueJian Chen
    • Jiying DuiChunrong YueJian Chen
    • G06F15/16
    • H04L65/80H04L12/6418H04L65/4084
    • A media data processing method and apparatus are disclosed. The method includes: by a media server, receiving a play request which carries information of media content to be played; obtaining information of a related source server according to the information of the media content to be played and obtaining related media data from a locally stored media data segment; determining start time and/or end time of a media data segment to be obtained from the source server according to play time of the locally stored media data segment; and obtaining the media data segment from the source server according to the determined start time and/or end time of the media data segment. The invention prevents unnecessary transmission of media data and reduces the load of the server.
    • 公开了一种媒体数据处理方法和装置。 该方法包括:由媒体服务器接收携带要播放的媒体内容的信息的播放请求; 根据要播放的媒体内容的信息获取相关源服务器的信息,并从本地存储的媒体数据段获取相关的媒体数据; 根据本地存储的媒体数据段的播放时间确定要从源服务器获得的媒体数据段的开始时间和/或结束时间; 以及根据确定的媒体数据段的开始时间和/或结束时间从源服务器获取媒体数据段。 本发明可防止媒体数据的不必要的传输,并减少服务器的负载。
    • 69. 发明授权
    • Gate electrode for a nonvolatile memory cell
    • 用于非易失性存储单元的栅电极
    • US08030161B2
    • 2011-10-04
    • US12121591
    • 2008-05-15
    • Xiangfeng DuanJian ChenJ. Wallace ParceFrancisco A. Leon
    • Xiangfeng DuanJian ChenJ. Wallace ParceFrancisco A. Leon
    • H01L21/336H01L29/788
    • H01L29/792H01L21/28273H01L21/28282H01L29/42324H01L29/42332H01L29/7883H01L29/7885
    • A nonvolatile memory cell includes a substrate comprising a source, drain, and channel between the source and the drain. A tunnel dielectric layer overlies the channel, and a localized charge storage layer is disposed between the tunnel dielectric layer and a control dielectric layer. A gate electrode has a first surface adjacent to the control dielectric layer, and the first surface includes a midsection and two edge portions. According to one embodiment, the midsection defines a plane, and at least one edge portion extends away from the plane. Preferably, the edge portion extending away from the plane converges toward an opposing second surface of the gate electrode. According to another embodiment, the gate electrode of the nonvolatile memory cell includes a first sublayer and a second sublayer of a different width on the first sublayer.
    • 非易失性存储单元包括在源极和漏极之间包括源极,漏极和沟道的衬底。 隧道介电层覆盖在沟道上,并且局部电荷存储层设置在隧道介电层和控制电介质层之间。 栅电极具有与控制电介质层相邻的第一表面,并且第一表面包括中部和两个边缘部分。 根据一个实施例,中段限定一个平面,并且至少一个边缘部分远离平面延伸。 优选地,远离平面延伸的边缘部分朝向栅电极的相对的第二表面会聚。 根据另一实施例,非易失性存储单元的栅极包括第一子层和第一子层上具有不同宽度的第二子层。
    • 70. 发明授权
    • Method and device for establishing a route
    • 建立路线的方法和装置
    • US07991858B2
    • 2011-08-02
    • US12365564
    • 2009-02-04
    • Guangyu ShiHao GongJian Chen
    • Guangyu ShiHao GongJian Chen
    • G06F15/177
    • H04L67/16H04L61/1582H04L61/1588H04L67/104H04L67/1046H04L67/1065H04L67/1076H04W8/08H04W40/20
    • The embodiment of the present invention provides a method for establishing a route, which includes searching a target node by a node from a first level node group according to first level route information, returning to query a result or data saved by the target node if the target node is found, otherwise executing the following step; searching a target node by the node from a higher level node group according to higher level route information, returning to query a result or the data saved by the target node if the target node is found, otherwise repeating the step. Through the hierarchical communication system, most of the flows of daily service operations in the communication network are limited within a small region, thereby preventing from excessively occupying the band width of a backbone network being originally not wide enough.
    • 本发明的实施例提供了一种建立路由的方法,其包括根据第一级路由信息从第一级节点组中的节点搜索目标节点,返回查询结果或由目标节点保存的数据,如果 找到目标节点,否则执行以下步骤; 根据较高级别的路由信息​​从上一级节点组中的节点搜索目标节点,如果找到目标节点,返回查询结果或目标节点保存的数据,否则重复该步骤。 通过分层通信系统,通信网络中日常业务运行的大部分流量在小区域内受到限制,从而防止过度占据骨干网络的带宽原本不够宽。