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31. 发明授权

US08174963B2 Data relay apparatus and failure recovery method 有权
标题翻译：数据中继装置及故障恢复方法
公开(公告)号：US08174963B2
公开(公告)日：2012-05-08
申请号：US11210694
申请日：2005-08-25
申请人： Yuji Tochio
发明人： Yuji Tochio
IPC分类号： H04L12/26
CPC分类号： H04L12/437 , H04J3/14
摘要： A data relay apparatus that recovers a failure in a network that shares a part of a plurality of rings and avoids occurrence of a loop path by providing a block in each of the rings includes a failure-notification-packet transmitting unit that transmits, when a failure is detected in a shared portion of a ring, a failure notification packet to a predetermined redundancy-providing ring; and a block setting unit that sets a block that blocks a main signal by passing through a control packet at a port where the failure is detected.
摘要翻译：一种数据中继装置，用于恢复共享多个环的一部分的网络中的故障，并且通过在每个环中提供块来避免出现循环路径，包括：故障通知分组发送单元，其在在环的共享部分中检测到故障，到预定的冗余提供环的故障通知分组; 以及块设置单元，其通过在检测到故障的端口处通过控制分组来设置阻止主信号的块。

32. 发明申请

US20070253330A1 Node setting apparatus, network system, node setting method, and computer product 有权
标题翻译：节点设置装置，网络系统，节点设置方法和计算机产品
公开(公告)号：US20070253330A1
公开(公告)日：2007-11-01
申请号：US11822525
申请日：2007-07-06
申请人： Yuji Tochio , Akio Endo
发明人： Yuji Tochio , Akio Endo
IPC分类号： H04J1/16
CPC分类号： H04L12/423
摘要： A plurality of nodes are connected to one another so as to form a ring network. A pseudo master node blocks relay of user data on one side, and transmits in the ring network a health packet that contains information about a priority order in which the pseudo master node is to be set as a master node. If the pseudo master node receives the health packet transmitted by it, or receives a health packet transmitted by another node, the pseudo master node judges whether the pseudo master node is to be set as a master node based on the priority order contained in the received health packet.
摘要翻译：多个节点彼此连接以形成环网。伪主节点阻止一方的用户数据的中继，并且在环形网中发送包含关于伪主节点将被设置为主节点的优先顺序的信息的健康分组。如果伪主节点接收到由其发送的健康分组，或者接收到另一个节点发送的健康分组，则伪主节点根据包含在接收到的优先级顺序来判断是否将伪主节点设置为主节点健康包。

33. 发明授权

US06968102B2 Node device of optical ring network 失效
标题翻译：光环网节点设备
公开(公告)号：US06968102B2
公开(公告)日：2005-11-22
申请号：US11085164
申请日：2005-03-22
申请人： Yuji Tochio , Satoshi Kuroyanagi
发明人： Yuji Tochio , Satoshi Kuroyanagi
IPC分类号： H04L12/437 , H04B10/03 , H04B10/032 , H04B10/035 , H04B10/07 , H04B10/27 , H04B10/275 , H04B10/29 , H04J14/00 , H04J14/02 , H04Q11/00 , G02B6/28
CPC分类号： H04J14/0295 , H04J14/0283 , H04J14/0291 , H04Q11/0005 , H04Q2011/0016 , H04Q2011/0024 , H04Q2011/0081 , H04Q2011/0092
摘要： A node device of an optical ring network is disclosed. With the node device, a counterclockwise auxiliary wavelength supplied from a third switch part is returned and supplied to a clockwise add/drop part when there is a fault in an optical transmission path on a left side, a clockwise auxiliary wavelength supplied from a second switch part is returned and supplied to a counterclockwise add/drop part when there is a fault in an optical transmission path on a right side, a clockwise active wavelength supplied from a clockwise add/drop part is returned and supplied to a first switch part when there is a fault in the optical transmission path on the right side, and a counterclockwise active wavelength supplied from the counterclockwise add/drop part is returned and supplied to a fourth switch part when there is a fault in the optical transmission path on the left side.
摘要翻译：公开了一种光环网的节点设备。利用节点装置，当在左侧的光传输路径中存在故障时，从第三开关部分提供的逆时针辅助波长返回并提供给顺时针加/减部分，从第二开关提供的顺时针辅助波长当右侧的光传输路径出现故障时，部件返回并提供给逆时针加/减部分，从顺时针加/减部分提供的顺时针有效波长返回并提供给第一开关部件是在右侧的光传输路径中的故障，并且当在左侧的光传输路径中存在故障时，从逆时针加/减部分提供的逆时针有效波长返回并提供给第四开关部分。

34. 发明申请

US20050175277A1 Node device of optical ring network 失效
公开(公告)号：US20050175277A1
公开(公告)日：2005-08-11
申请号：US11085164
申请日：2005-03-22
申请人： Yuji Tochio , Satoshi Kuroyanagi
发明人： Yuji Tochio , Satoshi Kuroyanagi
IPC分类号： H04L12/437 , H04B10/03 , H04B10/032 , H04B10/035 , H04B10/07 , H04B10/27 , H04B10/275 , H04B10/29 , H04J14/00 , H04J14/02 , H04Q11/00 , G02B6/28
CPC分类号： H04J14/0295 , H04J14/0283 , H04J14/0291 , H04Q11/0005 , H04Q2011/0016 , H04Q2011/0024 , H04Q2011/0081 , H04Q2011/0092
摘要： A node device of an optical ring network is disclosed. With the node device, a counterclockwise auxiliary wavelength supplied from a third switch part is returned and supplied to a clockwise add/drop part when there is a fault in an optical transmission path on a left side, a clockwise auxiliary wavelength supplied from a second switch part is returned and supplied to a counterclockwise add/drop part when there is a fault in an optical transmission path on a right side, a clockwise active wavelength supplied from a clockwise add/drop part is returned and supplied to a first switch part when there is a fault in the optical transmission path on the right side, and a counterclockwise active wavelength supplied from the counterclockwise add/drop part is returned and supplied to a fourth switch part when there is a fault in the optical transmission path on the left side.

35. 发明授权

US06795656B1 Optical transmission circuit using a semiconductor laser 失效
标题翻译：使用半导体激光器的光传输电路
公开(公告)号：US06795656B1
公开(公告)日：2004-09-21
申请号：US09526273
申请日：2000-03-15
申请人： Tadashi Ikeuchi , Yuji Tochio , Toshiyuki Takauji
发明人： Tadashi Ikeuchi , Yuji Tochio , Toshiyuki Takauji
IPC分类号： H04B1004
CPC分类号： H04B10/504 , H01S5/042 , H01S5/0428 , H04B10/564
摘要： An optical transmission circuit includes: a semiconductor laser; a drive circuit for supplying drive current to the semiconductor laser; a duty changing circuit for changing a duty value of an input data; a converting circuit for supplying a duty control signal to the duty changing circuit in order to adjust the duty value of the input data; and an adjusting circuit for supplying an optical power control signal to the converting circuit and the drive circuit. The adjusting circuit performs an initial setting of an optical power of the semiconductor laser, and the converting circuit performs the initial setting of the duty value so as to have a characteristic opposite to the optical power. According to the above structure, it is possible to realize the duty adjustment and the optical power adjustment by using only one adjusting circuit so that it is possible to achieve a simplified, miniatuarized, and low cost optical transmission circuit.
摘要翻译：光传输电路包括：半导体激光器; 用于向半导体激光器提供驱动电流的驱动电路; 用于改变输入数据的占空比值的占空比变换电路; 转换电路，用于向占空比变换电路提供占空比控制信号，以调整输入数据的占空比值; 以及用于向转换电路和驱动电路提供光功率控制信号的调整电路。调整电路对半导体激光器的光功率进行初始设定，转换电路进行占空比值的初始设定，使其具有与光功率相反的特性。根据上述结构，可以通过仅使用一个调整电路来实现占空比调整和光功率调整，使得可以实现简化的，微型化的和低成本的光传输电路。

36. 发明授权

US09048966B2 Optical transmission apparatus 有权
标题翻译：光传输装置
公开(公告)号：US09048966B2
公开(公告)日：2015-06-02
申请号：US13311944
申请日：2011-12-06
申请人： Yuji Tochio
发明人： Yuji Tochio
IPC分类号： H04J14/02 , H04J14/04 , H04J3/16
CPC分类号： H04J3/1694
摘要： An HO ODU signal input to an optical transmission apparatus is disassembled into LO ODUs. LO ODUs specified to form an aggregated ODU are disassembled not into individual LO ODUs but into a unit of an LO ODU group that forms an aggregated ODU. Clock extraction and an alarm process are performed not for the individual LO ODUs but for each aggregated ODU. This eliminates the need for a hardware configuration for performing the clock extraction and the alarm process in units of LO ODUs, leading to saving of hardware resources.
摘要翻译：输入到光传输装置的HO ODU信号被分解成LO ODU。指定为形成聚合ODU的LO ODU不分解为单独的LO ODU，而是分解成形成聚合ODU的LO ODU组的单元。执行时钟提取和报警过程不是针对各个LO ODU而是针对每个聚合的ODU进行的。这消除了对以LO ODU为单位执行时钟提取和报警过程的硬件配置的需要，从而节省硬件资源。

37. 发明授权

US08917592B2 Communication apparatus, system, and method 有权
标题翻译：通信设备，系统和方法
公开(公告)号：US08917592B2
公开(公告)日：2014-12-23
申请号：US13045075
申请日：2011-03-10
申请人： Yuji Tochio
发明人： Yuji Tochio
IPC分类号： H04L1/00 , H04L12/701 , H04L12/437 , H04L12/24 , H04L12/703
CPC分类号： H04L45/00 , H04L12/437 , H04L41/0668 , H04L41/0681 , H04L45/28
摘要： A communication apparatus used as a first communication apparatus in a communication system having a ring network, the communication apparatus including: a storage unit configured to store information indicating a correspondence between a state of a path provided on the ring network, a state of a first link established between the first and third communication apparatuses, a state of a second link established between the second and third communication apparatuses, and a direction of forwarding the data; and a control unit configured to monitor links that are included in the ring network, and presence or absence of a failure occurring in each of the first and second links, and determine a direction of forwarding data to which path identification information corresponding to the third communication apparatus is added based on a result of the monitoring and the information stored in the storage unit.
摘要翻译：一种在具有环形网络的通信系统中用作第一通信装置的通信装置，所述通信装置包括：存储单元，被配置为存储指示环形网络上提供的路径的状态，第一建立在第一和第三通信设备之间的链路，建立在第二和第三通信设备之间的第二链路的状态和转发数据的方向; 以及控制单元，被配置为监视环网中包括的链路，以及是否存在在第一和第二链路中的每一个中发生的故障，并且确定转发数据的方向，哪个路径识别信息对应于第三通信基于监视的结果和存储在存储单元中的信息来添加设备。

38. 发明授权

US08432792B2 Node apparatus, ring network, and protection path bandwidth control method 有权
标题翻译：节点装置，环网和保护路径带宽控制方法
公开(公告)号：US08432792B2
公开(公告)日：2013-04-30
申请号：US12618187
申请日：2009-11-13
申请人： Yasuki Fujii , Yuji Tochio , Shinya Kano , Ryoichi Mutoh
发明人： Yasuki Fujii , Yuji Tochio , Shinya Kano , Ryoichi Mutoh
IPC分类号： G08C15/00
CPC分类号： H04L12/437 , H04L47/72 , H04L47/781
摘要： A node apparatus in a ring network in which a protection path is provided that cycles around the ring network and transports a signal in a direction opposite to a signal transporting direction of the working path and in the event of a failure of the working path, a node apparatus adjacent to the failure loops back the signal flowing on the working path onto the protection path, the node apparatus comprising: allowable bandwidth storing unit which stores a maximum total bandwidth value, which represents the largest value among per-link total values of bandwidths that a plurality of working paths use on respective links connecting between the node apparatuses, as an allowable bandwidth for a shared path; and bandwidth control unit which controls the bandwidth of traffic flowing on the protection path, in accordance with the allowable bandwidth.
摘要翻译：环形网络中的节点装置，其中提供保护路径，其围绕环形网络循环并且沿与工作路径的信号传送方向相反的方向传送信号，并且在工作路径发生故障的情况下，所述节点装置包括：允许带宽存储单元，其存储最大总带宽值，其表示带宽的每链路总值中的最大值多个工作路径用于在节点设备之间连接的相应链路上，作为用于共享路径的可允许带宽; 以及带宽控制单元，其根据允许带宽控制在保护路径上流动的流量的带宽。

39. 发明授权

US07961602B2 Method and device using a backup communication path to transmit excess traffic 有权
标题翻译：方法和设备使用备用通信路径来传输超量流量
公开(公告)号：US07961602B2
公开(公告)日：2011-06-14
申请号：US11730127
申请日：2007-03-29
申请人： Yuji Tochio
发明人： Yuji Tochio
IPC分类号： H04L1/00
CPC分类号： H04L47/10 , H04L45/22 , H04L45/28 , H04L45/50 , H04L47/115
摘要： An extra traffic is transmitted in a redundant communication network using a backup path. A working communication path and the backup communication path connect two switching nodes. A switching control packet including information representing whether a first traffic passes through the working communication path is transmitted between the two switching nodes via the backup communication path. Under normal conditions, the first traffic passes the working communication path. A backup node that has received the second traffic from outside the backup communication path, determines whether the first traffic is passing through the working communication path based on information included in the switching control packet. If the first traffic is passing through the working communication path, the backup node transmits the second traffic to another backup node along the backup communication path.
摘要翻译：使用备份路径在冗余通信网络中传输额外的流量。工作通信路径和备用通信路径连接两个交换节点。包括表示第一业务是否通过工作通信路径的信息的交换控制分组经由备用通信路径在两个交换节点之间传送。在正常情况下，第一个流量通过工作通信路径。已经从备用通信路径外部接收到第二通信的备份节点基于包括在切换控制分组中的信息来确定第一业务是否正在通过工作通信路径。如果第一个流量正在通过工作通信路径，备份节点将第二个流量沿备份通信路径传输到另一个备份节点。

40. 发明授权

US07929451B2 Switch and packet forwarding method 失效
标题翻译：交换和分组转发方式
公开(公告)号：US07929451B2
公开(公告)日：2011-04-19
申请号：US12331939
申请日：2008-12-10
申请人： Yuji Tochio
发明人： Yuji Tochio
IPC分类号： H04L1/00
CPC分类号： H04L12/4633 , H04L45/50 , H04L49/3009
摘要： A switch that performs packet forwarding processing based on a label for a connection in which a communication path is specified by the label, includes a receiving unit that receives loopback information with a label of a first layer used for packet forwarding for a first connection, and a packet processing unit that transmits a first loopback packet having a packet including the loopback information, a label of the first layer, and a label of a second layer used for packet forwarding for a second connection layered on the label of the first layer, and also transmits a second loopback packet having the packet including the loopback information and the label of the second layer.
摘要翻译：基于用于通过标签指定通信路径的连接的标签进行分组转发处理的交换机包括接收单元，其接收具有用于第一连接的分组转发的第一层的标签的环回信息，以及分组处理单元，其发送具有包括所述环回信息的分组的第一环回分组，所述第一层的标签和用于分层在所述第一层的标签上的第二连接的分组转发的第二层的标签，以及还发送具有包括环回信息和第二层的标签的分组的第二环回分组。

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