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    • 11. 发明授权
    • Regular expression matching method and system, and searching device
    • 正则表达式匹配方法和系统,搜索设备
    • US09390134B2
    • 2016-07-12
    • US13339043
    • 2011-12-28
    • Rui HuJian Chen
    • Rui HuJian Chen
    • G06F17/30
    • G06F17/30516G06F17/30867
    • A regular expression matching method and system, and a searching device are provided. First, the searching device performs string filtering on a data stream to be matched, in which if keywords in the data stream and preset character words have at least one same character, the searching device indicates that the data stream passes through the string filtering. Then the searching device performs regular expression filtering on the data stream passing through the string filtering. In a string filtering process through the method, system, and device, when Hash mapping positions of the keywords of the data stream are a subset of the Hash mapping positions of the character words, it indicates that the data stream passes through the string filtering, and it is not required to store the keywords and further compare the keywords with the character words, thereby saving the storage space and improving performance.
    • 提供了正则表达式匹配方法和系统,以及搜索装置。 首先,搜索装置对要匹配的数据流执行字符串过滤,其中如果数据流中的关键字和预设字符字具有至少一个相同的字符,则搜索装置指示数据流通过字符串过滤。 然后,搜索设备对通过字符串过滤的数据流执行正则表达式过滤。 在通过方法,系统和设备的字符串过滤过程中,当数据流的关键字的哈希映射位置是字符字的哈希映射位置的子集时,表示数据流通过字符串过滤, 并且不需要存储关键词并进一步将关键词与字符词进行比较,从而节省存储空间并提高性能。
    • 13. 发明申请
    • SHREDDER FEEDER
    • US20150343452A1
    • 2015-12-03
    • US14289325
    • 2014-05-28
    • Licheng ZhouJian ChenJianbo QiHaiting ChenZiqiang Ding
    • Licheng ZhouJian ChenJianbo QiHaiting ChenZiqiang Ding
    • B02C18/22B65H5/00B02C18/00
    • B02C18/2275B02C18/0007B02C18/24B02C2018/164B02C2018/2208B65H5/00
    • A document shredder is disclosed including a paper receptacle for receiving a load of paper and a shredding assembly. A metering assembly is interposed between the paper receptacle and the shredding assembly and is configured to separate a portion of the load of paper from the load of paper and permit the portion of the load of paper to move into the shredding assembly. The metering assembly may include a stop plate secured thereto and defining a lifting portion on a perimeter portion thereof. The lifting portion is configured to engage a lower edge of the portion of the load of paper upon rotation of the stop plate and lift the paper over the stop plate. The lifting portion may include a flange, which may be a portion of a cone, formed on a perimeter portion of the wheel and occupying a sector of the perimeter of less than 60 degrees.
    • 公开了一种文件粉碎机,其包括用于接收纸张和切碎组件的纸容器。 计量组件插入在纸容器和切碎组件之间,并且构造成将纸张的一部分与纸张的负载分开并且允许纸张的一部分移动到粉碎组件中。 计量组件可以包括固定到其上的限位板,并在其周边部分上限定提升部分。 提升部分构造成在止动板旋转时接合纸张载荷部分的下边缘并将纸提起在止动板上。 提升部分可以包括形成在轮的周边部分上并且占据小于60度的周长的扇形部的凸缘,其可以是锥体的一部分。
    • 15. 发明授权
    • Switching power supply device
    • 开关电源装置
    • US08878506B2
    • 2014-11-04
    • US13695860
    • 2012-02-20
    • Jian Chen
    • Jian Chen
    • G06F1/00G05F1/10H02M1/42H02M1/12
    • G05F1/10H02M1/12H02M1/4225Y02B70/126
    • An object of the present invention is to achieve the reduction of EMI, the improvement of conversion efficiency, and simplification of the input filter. Provided is a switching power supply device that comprises: a chopper circuit that turns on/off the passage of a current to an inductor by means of a switching element; and a switching control circuit that switches the switching element so that an input voltage and an input current have the same phase and a similar shape. The switching control circuit is configured to switch the switching element at a switching frequency that is proportional to an input voltage dependent term of a formula that expresses a third harmonic component of ripples of the current flowing to the inductor.
    • 本发明的目的是实现EMI的降低,转换效率的提高和输入滤波器的简化。 提供了一种开关电源装置,其包括:斩波电路,其通过开关元件接通/断开电流通过电感器; 以及开关控制电路,其切换开关元件,使得输入电压和输入电流具有相同的相位和相似的形状。 开关控制电路被配置为以与表示流向电感器的电流的波纹的三次谐波分量的公式的输入电压相关项成比例的开关频率来切换开关元件。
    • 18. 发明授权
    • Method and apparatus for maintaining routing information
    • 维护路由信息的方法和装置
    • US08732298B2
    • 2014-05-20
    • US12834239
    • 2010-07-12
    • Guangyu ShiJian ChenHao Gong
    • Guangyu ShiJian ChenHao Gong
    • G06F15/173G06F15/16
    • H04L67/104H04L45/00H04L45/04H04L67/1051H04L67/1093
    • A method and apparatus for maintaining routing information in a Peer-to-Peer (P2P) network are provided. The method includes that: a super maintenance node receives routing update information of an ordinary node in its home area; the super maintenance node sends routing update information to super maintenance nodes in other network areas; the super maintenance nodes in other network areas notify ordinary nodes in their home network areas to update routing information. With the present invention, a node of strong processing capabilities at the network area border is chosen to act as a super maintenance node and other nodes as ordinary nodes; when a node joins or fails, an ordinary node sends detected routing update information only to the super maintenance node in the local network area; the super maintenance node then forwards the update information to super maintenance nodes in other network areas. Each super maintenance node notifies ordinary nodes in its home network area of the received routing update information.
    • 提供了一种用于在对等(P2P)网络中维护路由信息的方法和装置。 该方法包括:超维护节点在其归属区域中接收普通节点的路由更新信息; 超维护节点向其他网络区域的超维护节点发送路由更新信息; 其他网络区域的超维护节点通知家庭网络区域中的普通节点更新路由信息。 利用本发明,选择在网络区域边界具有强处理能力的节点作为普通节点作为超维护节点和其他节点; 当节点加入或失败时,普通节点只将检测到的路由更新信息发送到本地网区域的超维护节点; 超维护节点然后将更新信息转发到其他网络区域中的超维护节点。 每个超级维护节点向其归属网络区域中的普通节点通知所接收的路由更新信息。