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    • 1. 发明授权
    • System for switching high-capacity and variable length packets
    • 用于切换大容量和可变长度数据包的系统
    • US06477173B1
    • 2002-11-05
    • US09161411
    • 1998-09-24
    • Tadao SaitoHitoshi AidaTerumasa Aoki
    • Tadao SaitoHitoshi AidaTerumasa Aoki
    • H04L1228
    • H04L49/25H04L49/102H04L49/1507H04L49/205H04L49/3009H04L49/3018
    • In a system for switching high-capacity and variable length packets from m input ports to n output ports, k Banyan networks are connected into a ring by means of at least n parallel lines, said input ports are connected to inputs of said Banyan networks in a dispersed manner by means of m input modules, misroute tag check parts are connected to outputs of said Banyan networks as well as to inputs of n output modules whose outputs are connected to said output ports. Each of plural unit switches constituting a Banyan network is constructed such that when an input packet cannot be sent to a desired output, the relevant packet is outputted to a non-occupied output of the relevant Banyan network. When the misroute tag check part finds that the misroute tag is set, the relevant packet is sent to a next stage Banyan network, but when the misroute check tag is not set, the relevant packet is outputted to an output module connected to a desired output. The input module stores a packet from the input port and a packet from a misroute tag check part and sends one of these packets selectively to a succeeding Banyan network.
    • 在用于将从m个输入端口到n个输出端口的大容量和可变长度分组切换的系统中,k个Banyan网络通过至少n个并行线路连接到一个环中,所述输入端口连接到所述Banyan网络的输入端 通过m个输入模块的分散方式,错误路由标签检查部分连接到所述榕树网络的输出以及输出连接到所述输出端口的n个输出模块的输入。 构成榕树网络的多个单位开关中的每一个被构造成使得当输入分组不能被发送到期望输出时,相关分组被输出到相关榕树网络的非占用输出。 当错误路由标签检查部分发现错误路由标签被设置时,相关的数据包被发送到下一个阶段榕树网络,但是当错误路由检查标签未设置时,相关的数据包被输出到连接到所需输出的输出模块 。 输入模块存储来自输入端口的分组和来自错误路由标签检查部分的分组,并将这些分组中的一个选择性地发送到后续的悦榕网络。
    • 3. 发明授权
    • Variable rate TDM switching system
    • 可变速率TDM交换系统
    • US06628650B1
    • 2003-09-30
    • US09363649
    • 1999-07-30
    • Tadao SaitoHitoshi AidaTerumasa AokiSoichiro HidakaUdomkiat Bunworasate
    • Tadao SaitoHitoshi AidaTerumasa AokiSoichiro HidakaUdomkiat Bunworasate
    • H04L1250
    • H04L12/5601H04L49/106H04L2012/5652H04L2012/5675H04L2012/5679
    • There is provided a variable rate TDM switching system comprising steps of: arranging a plurality of incoming lines and a plurality of sending lines in lattice form; providing time-division gates at cross-points of the incoming lines and the sending lines; connecting time-division temporal switches having a function of transposing the order of time slots in input TDM frames to forward stage of respective incoming lines of the time-division space switches for performing the switching between the incoming lines and the sending lines with time slot unit while holding the multiplexing, by switching these time-division gates; connecting a scheduler for concentratedly controlling the time-division gates and the time-division temporal switches to these gates and time switches; transmitting the headers of the TDM frames to the scheduler in case of inputting the header of TDM frame, and deciding the temporal switching schedule by the scheduler as to the transposition of the order of time slots in the time-division temporal switch, so as to disperse time slots of the same destination temporally; deciding the spatial switching schedule as to the on off of the time-division gates in the time-division temporal switches so as to appear only one time slot of the destination on the same sending line at the same timing; inputting the TDM frames into the time-division temporal switches with temporal switching by the time-division temporal switch in accordance with the temporal switching schedule; and switching respective time slots into the sending lines of respective destinations.
    • 提供了一种可变速率TDM交换系统,包括以下步骤:以格子形式布置多条输入线和多条发送线; 在输入线和发送线的交叉点提供时分门; 连接时分时间交换机,其具有将输入TDM帧中的时隙顺序转换到时分空间交换机的各个输入线路的前进阶段的功能,用于执行时隙单元的输入线路和发送线路之间的切换 同时保持复用,通过切换这些时分门; 连接用于集中控制时分门和时分时间切换到这些门和时间开关的调度器; 在输入TDM帧的报头的情况下将TDM帧的报头发送到调度器,并且通过调度器确定时分时间切换中时隙顺序的转置的时间切换调度,以便 暂时分散同一目的地的时隙; 确定时分时间切换中的时分门的开关的空间切换调度,以便在相同定时在同一发送线上仅出现目的地的一个时隙; 通过根据时间切换时间表的时分时间切换,将TDM帧输入到具有时分切换的时分时间切换; 并将各个时隙切换到各个目的地的发送线路。
    • 4. 发明授权
    • Variable rate digital switching system
    • 变速数字交换系统
    • US06683872B1
    • 2004-01-27
    • US09363648
    • 1999-07-30
    • Tadao SaitoHitoshi AidaTerumasa AokiUdomkiat Bunworasate
    • Tadao SaitoHitoshi AidaTerumasa AokiUdomkiat Bunworasate
    • H04L1250
    • H04L49/1576H04L12/5601H04L49/309H04L2012/5664H04L2012/5679H04Q11/04H04Q2213/13076H04Q2213/13103H04Q2213/13174H04Q2213/13216H04Q2213/1329H04Q2213/13292H04Q2213/13297H04Q2213/13299
    • There is provided a variable rate digital switching system comprising steps of: arranging a plurality of incoming TDM buses and a plurality of sending TDM buses in lattice form; providing cross-point buffers at cross-points of the incoming buses and the sending buses; connecting the cross-point buffers belonging to respective sending TDM buses to respective scheduler; connecting respective contents analyzer to respective scheduler; checking frame headers of input TDM frames by respective cross-point buffers, thereby buffering only data of time slot of destined and belonged sending bus and transmitting contents of the frame header to the contents analyzer; checking the frame header by the contents analyzer, thereby deciding the contents of data stored in the respective cross-point buffers on the own-belonged sending TDM bus, and informing them to the scheduler; performing the scheduling by the scheduler as for how time slots in the sending TDM frame is allocated in respective cross-point buffers according to the contents of the frame header and an amount of data stored in respective cross-point buffer; and inputting in turn the buffered data in the own-allocated time slots of the sending TDM frame according to the scheduling by respective cross-point buffer, and outputting them from the sending TDM bus.
    • 提供了一种可变速率数字交换系统,包括以下步骤:以格子形式布置多条入站TDM总线和多条发送TDM总线; 在输入总线和发送总线的交叉点提供交叉点缓冲器; 将属于相应发送TDM总线的交叉点缓冲器连接到相应的调度器; 将各内容分析器连接到相应的调度器; 通过相应的交叉点缓冲器检查输入TDM帧的帧头,从而仅缓存目的地和属于发送总线的时隙的数据,并将帧头的内容发送到内容分析器; 通过内容分析器检查帧头,从而确定存储在自身属于发送TDM总线上的各个交叉点缓冲器中的数据的内容,并将其通知给调度器; 根据帧头的内容和存储在各个交叉点缓冲器中的数据量,执行调度器对发送TDM帧中的时隙如何分配在各个交叉点缓冲器中的调度; 并根据各个交叉点缓冲区的调度依次输入发送TDM帧的自己分配的时隙中的缓冲数据,并从发送TDM总线输出缓冲数据。
    • 7. 发明授权
    • Information retrieval support method and information retrieval support system
    • 信息检索支持方法和信息检索支持系统
    • US06850954B2
    • 2005-02-01
    • US09905993
    • 2001-07-17
    • Noriaki KawamaeHiroshi YasudaTerumasa Aoki
    • Noriaki KawamaeHiroshi YasudaTerumasa Aoki
    • G06F12/00G06F17/30
    • G06F17/30867Y10S707/99945
    • A set of keyword candidates having orientation, with keywords input by a user as an origin, is appropriately presented. An information retrieval support system 10, for presenting candidate words to be subsequently input to input words, comprises a search sequence creation section 34 for creating a search sequence of a set of input words input by a user arranged in chronological order, a search sequence DB 36 for storing storage sequences, a hash creation section 38 for creating a hash that has keyed particular input words based on stored sequences, a hash DB 40 for storing created hashes, a hash acquisition section 44 for acquiring a hash for keying the input words from the hash database in response to input words supplied via a search engine 31, an index calculating section 46 for calculating an index relating to words contained in a hash, and a directory creation section 48 for creating a word directory by arranging the input words in a word directory for the keys roots when the words satisfy a specified condition, wherein the created word directory is output.
    • 适当地呈现由用户输入的关键字作为原点的具有取向的一组关键词候选者。 用于呈现随后输入到输入字的候选词的信息检索支持系统10包括:搜索序列创建部分34,用于创建由按照时间顺序排列的用户输入的一组输入字的搜索序列;搜索序列DB 36,用于存储存储序列;散列创建部分38,用于基于存储的序列创建具有键入的特定输入字的散列;用于存储创建的散列的散列DB 40;散列获取部分44,用于获取用于从 响应于通过搜索引擎31提供的输入字的哈希数据库,用于计算与散列中包含的词相关的索引的索引计算部分46,以及用于通过将输入词排列在一个目录中来创建词目录的目录创建部分48 当词满足指定条件时,键根的单词目录,其中输出所创建的单词目录。