公开(公告)号：US20140122978A1

公开(公告)日：2014-05-01

申请号：US14126581

申请日：2011-12-08

申请人： Kazuo Kubo

发明人： Kazuo Kubo

IPC分类号： H03M13/25 ,  H04J3/16

CPC分类号： H03M13/253 ,  H04J3/1652 ,  H04L1/0009 ,  H04L1/0011 ,  H04L1/0057 ,  H04L1/0083

摘要： A frame generation method in an optical transmission system that transmits a transmission frame including a payload area for storing therein information data and an FEC redundant area for storing therein an error correcting code with respect to the information data is provided, in which coding gain is calculated based on the quality of a communication path through which the transmission frame is transmitted, and, when it is determined that redundancy is insufficient with an error correcting code stored in the FEC redundant area based on the coding gain, a variable parity area for storing therein the error correcting code is set in the payload area and a transmission frame in which the error correcting code is stored in the FEC redundant area and the variable parity area is generated.

摘要翻译： 提供一种光传输系统中的帧生成方法，其发送包括用于存储信息数据的有效负载区域的传输帧和用于在其中存储关于信息数据的纠错码的FEC冗余区域，其中计算编码增益 基于发送帧通过的通信路径的质量，并且当基于编码增益确定存储在FEC冗余区域中的纠错码确定冗余不足时，用于存储传输帧的可变奇偶校验区域 在有效负载区域中设置纠错码，并且在FEC冗余区域和可变奇偶校验区域中生成错误校正码的传输帧。

公开(公告)号：US08693864B2

公开(公告)日：2014-04-08

申请号：US13060332

申请日：2008-10-15

申请人： Kazuo Kubo ,  Takashi Mizuochi ,  Yuji Akiyama

发明人： Kazuo Kubo ,  Takashi Mizuochi ,  Yuji Akiyama

IPC分类号： H04J14/02

CPC分类号： H04J3/1652 ,  H04B1/74 ,  H04J3/14 ,  H04J14/0295 ,  H04J14/0297

摘要： An optical network system includes a first node that converts input signals of n systems into optical signals having wavelengths different for each of the systems and wavelength-multiplexes and transmits the optical signals and a second node that selects signals of n systems from the wavelength-multiplexed signals and outputs the signals. The first node includes an optical coupler that divides the input signals into operating system signals and redundant signals, TPNDs that convert the operating systems into optical signals, an optical switch that selects standby system signals from the redundant signals, and a TPND that converts the standby system signals into optical signals in a storage mode corresponding to a type of the standby system signals. The second node includes TPNDs that convert the optical signals converted from the operating system signals into signals of a type corresponding to the input signals, a TPND that converts the optical signals of the standby system signals into signals of the type of the input signals in a storage mode corresponding to the standby system signals, and an optical switch that selects an output destination of the signals output from the TPND.

摘要翻译： 光网络系统包括将n个系统的输入信号转换成具有对于每个系统和波长复用的波长不同的波长的第一节点，并且发送光信号，以及从波长多路复用器件中选择n个系统的信号的第二节点 信号并输出​​信号。 第一个节点包括将输入信号分为操作系统信号和冗余信号的光耦合器，将操作系统转换为光信号的TPND，从冗余信号中选择待机系统信号的光开关，以及转换待机状态的TPND 系统以对应于备用系统信号的类型的存储模式将信号转换成光信号。 第二节点包括将从操作系统信号转换的光信号转换为与输入信号相对应的类型的信号的TPND，将待机系统信号的光信号转换为输入信号类型的信号的TPND 对应于备用系统信号的存储模式，以及选择从TPND输出的信号的输出目的地的光开关。

公开(公告)号：US20120246537A1

公开(公告)日：2012-09-27

申请号：US13513411

申请日：2010-11-19

申请人： Kazuo Kubo ,  Takashi Mizuochi

发明人： Kazuo Kubo ,  Takashi Mizuochi

IPC分类号： H03M13/05 ,  G06F11/10

CPC分类号： H03M13/2909 ,  H03M13/1102 ,  H03M13/1515 ,  H03M13/152 ,  H03M13/2945 ,  H03M13/6519 ,  H04L1/0057 ,  H04L1/0083

摘要： Provided is an error correction method for an optical communication system that transmits a transmission frame formed of information data added with an overhead and an error correction code, the error correction method including adjusting a size of an FEC redundant area of an FEC frame for storing client signals of different signal types in accordance with the client signals so that transmission rates of the FEC frame for the respective client signals have an approximately N-multiple relationship (N is a positive natural number). With this, it is possible to obtain an error correction method and device capable of providing a high-quality and high-speed optical communication system without performance degradation caused by jitter or the like and with the common use of circuits having a reduced circuit scale.

摘要翻译： 提供了一种用于发送由添加有开销的信息数据和纠错码构成的传输帧的光通信系统的纠错方法，所述纠错方法包括：调整用于存储客户端的FEC帧的FEC冗余区域的大小 根据客户端信号的不同信号类型的信号，使得各个客户端信号的FEC帧的传输速率具有大约N倍的关系（N是正的自然数）。 由此，可以获得能够提供高质量和高速光通信系统的纠错方法和装置，而不会由抖动等引起的性能下降，并且通常使用具有减小的电路规模的电路。

公开(公告)号：US20120183303A1

公开(公告)日：2012-07-19

申请号：US13499067

申请日：2010-09-27

申请人： Kiyoshi Onohara ,  Kazuo Kubo ,  Takashi Mizuochi

发明人： Kiyoshi Onohara ,  Kazuo Kubo ,  Takashi Mizuochi

IPC分类号： H04B10/02

CPC分类号： H04B10/613 ,  H04B10/40 ,  H04B10/614 ,  H04J3/1652 ,  H04J14/06 ,  H04L27/0012 ,  H04L27/18 ,  H04L27/34

摘要： A digital signal processing optical transceiver includes: a reception front end for separating an optical reception signal from a communication path into a total of four channels including an I-channel and a Q-channel of an X-polarized wave component and an I-channel and a Q-channel of a Y-polarized wave component; and a digital signal processing unit for: performing signal point determination with respect to signals of the four channels; when there are only two signal points, selecting two channels including an I-channel component of an X-polarized wave and an I-channel component of a Y-polarized wave and performing signal processing thereon; and when there are four signal points, selecting the four channels including the I-channel component and a Q-channel component of the X-polarized wave and the I-channel component and a Q-channel component of the Y-polarized wave and performing the signal processing thereon.

摘要翻译： 数字信号处理光收发器包括：接收前端，用于将光接收信号从通信路径分离成总共四个信道，包括X极化波分量的I信道和Q信道，以及I信道 和Y偏振波分量的Q通道; 以及数字信号处理单元，用于：针对四个通道的信号执行信号点确定; 当仅有两个信号点时，选择包括X偏振波的I信道分量和Y偏振波的I信道分量的两个信道并在其上执行信号处理; 并且当有四个信号点时，选择包括X极化波的I信道分量和Q信道分量以及Y波分量的Q信道分量和Y偏振波的Q信道分量的四个信道，并执行 对其进行信号处理。

公开(公告)号：US20110311217A1

公开(公告)日：2011-12-22

申请号：US13254189

申请日：2009-11-06

申请人： Eiichi Horiuchi ,  Sota Yoshida ,  Kazuo Kubo

发明人： Eiichi Horiuchi ,  Sota Yoshida ,  Kazuo Kubo

IPC分类号： H04B10/02

CPC分类号： H04J14/0297 ,  H04L69/40 ,  H04Q11/0062 ,  H04Q2011/0081

摘要： An optical transmission apparatus that protects different types of signals with a common backup transponder. The optical transmission apparatus includes working transponder units that relay respective optical signals on corresponding working transmission lines to or from external client devices, a backup transponder unit that can relay optical signals of different interface types, a 3:1 optical switch unit and a 1:3 optical switch unit that connect the external client devices and the working transponder units, and can connect the external client device and the backup transponder unit, and a monitor control unit that monitors occurrence of a failure in the working transponder units and the backup transponder unit, and controls switching of the transmission lines upon detection of a failure.

摘要翻译： 一种用共同备用转发器保护不同类型信号的光传输装置。 光传输装置包括工作转发器单元，其将来自外部客户端设备的相应工作传输线路上的相应光信号中继;可以中继不同接口类型的光信号的备用转发器单元，3：1光开关单元和1： 3光开关单元，其连接外部客户端设备和工作转发单元，并且可以连接外部客户端设备和备用应答器单元;以及监视器控制单元，其监视工作应答器单元和备用应答器单元中的故障发生 并且在检测到故障时控制传输线路的切换。

公开(公告)号：US20100287449A1

公开(公告)日：2010-11-11

申请号：US12767120

申请日：2010-04-26

申请人： Kazuo Kubo ,  Takashi Mizuochi ,  Takashi Sugihara

发明人： Kazuo Kubo ,  Takashi Mizuochi ,  Takashi Sugihara

IPC分类号： H03M13/05 ,  G06F11/10

CPC分类号： H03M13/2792 ,  H03M13/1102 ,  H03M13/1515 ,  H03M13/152 ,  H03M13/23 ,  H03M13/2906 ,  H03M13/2933 ,  H03M13/2936 ,  H03M13/2966 ,  H04J3/1652 ,  H04J2203/0089 ,  H04L1/0041 ,  H04L1/0065 ,  H04L2001/0096

摘要： An FEC frame structuring device includes a multi-lane distributing unit that distributes a data frame to be transmitted to n lanes, FEC coding units each performs FEC coding of the distributed data frame independently for each of the n lanes to generate an FEC frame, a multiplexing unit that multiplexes the FEC frame from the FEC coding units by relating to m channels of an optical signal, a demultiplexing unit that demultiplexes the m channels of the received optical signal by relating to the n lanes, FEC decoding units each performs FEC decoding of the demultiplexed FEC frame independently for each of the n lanes, and a multi-lane synchronizing unit that synchronizes the n lanes with each other after the FEC decoding performed by the FEC decoding units to reconstruct the original data frame.

摘要翻译： FEC帧结构设备包括分配要发送的数据帧到n个通道的多通道分配单元，FEC编码单元各自独立地对n个通道中的每一个执行分布式数据帧的FEC编码以生成FEC帧， 多路复用单元，其通过与光信号的m个信道相关的FEC编码单元来复用FEC帧;解复用单元，通过与n个通道相关来对接收到的光信号的m个信道进行解复用，FEC解码单元各自执行FEC解码 对于n个通道中的每一个独立地解复用的FEC帧，以及多个通道同步单元，其在由FEC解码单元执行的FEC解码之后使n个通道彼此同步以重建原始数据帧。

公开(公告)号：US20090270391A1

公开(公告)日：2009-10-29

申请号：US11910078

申请日：2006-03-28

申请人： Kazuo Kubo ,  Takayuki Furuta ,  Tatsushi Osawa ,  Atsushi Miwa

发明人： Kazuo Kubo ,  Takayuki Furuta ,  Tatsushi Osawa ,  Atsushi Miwa

IPC分类号： A61K31/5377 ,  C07D495/04 ,  A61K31/4365 ,  A61K31/4709 ,  C07D401/12 ,  C07D413/12 ,  A61P35/00

CPC分类号： C07D495/04 ,  C07D401/12 ,  C07D471/04

摘要： An objective of the present invention is to provide compounds having antitumor activity. According to the present invention, there is provided compounds represented by formula (I) and pharmaceutically acceptable salts thereof, and solvates thereof: wherein R1 represents H or a substitutable unsaturated five- or six-membered heterocyclic ring; R2 represents H; X represents CH or N; Z represents O or S; E is absent or represents halogen, alkyl, or alkoxy; J represents S or O; and T represents phenyl, an unsaturated five- or six-membered heterocyclic ring, an unsaturated nine- or ten-membered bicyclic carbocyclic ring or heterocyclic ring.

摘要翻译： 本发明的目的是提供具有抗肿瘤活性的化合物。 根据本发明，提供式（I）表示的化合物及其药学上可接受的盐及其溶剂合物：其中R1表示H或可取代的不饱和五元或六元杂环; R2表示H; X表示CH或N; Z表示O或S; E不存在或表示卤素，烷基或烷氧基; J表示S或O; 和T表示苯基，不饱和五元或六元杂环，不饱和九元或十元双环碳环或杂环。

公开(公告)号：US07398450B2

公开(公告)日：2008-07-08

申请号：US11304913

申请日：2005-12-16

申请人： Yoshiaki Konishi ,  Kazuo Kubo ,  Yasuyuki Endoh

发明人： Yoshiaki Konishi ,  Kazuo Kubo ,  Yasuyuki Endoh

IPC分类号： G11C29/00

CPC分类号： H04L25/497 ,  H04L27/2096

摘要： A parallel precoder circuit executes an EXOR operation on an n-row parallel input, and outputs an n-row parallel output, where 2≦n. Outputs of EXOR circuits each of which having a largest column number from among EXOR circuits disposed in first to (n−1)th rows become first-row to (n−1)th-row parallel outputs, respectively. A output of an nth-row delay circuit becomes an nth-row parallel output.

摘要翻译： 并行预编码器电路对n行并行输入执行EXOR运算，并输出n行并行输出，其中2 <= n。 分别从第一到第（n-1）行中排列的EXOR电路中具有最大列数的EXOR电路的输出分别成为第一行到第（n-1）行并行输出。 第n行延迟电路的输出变为第n行并行输出。

公开(公告)号：US07392440B2

公开(公告)日：2008-06-24

申请号：US10562799

申请日：2004-02-27

申请人： Kazuhide Ouchi ,  Kazuo Kubo

发明人： Kazuhide Ouchi ,  Kazuo Kubo

IPC分类号： H03M13/00

CPC分类号： H04L25/067 ,  H04L1/0045 ,  H04L25/063

摘要： An optical signal receiving equipment including an optical-electrical converter configured to convert optical signals into electronic signals; first deciders configured to transform the electronic signals into first binary signals; a second decider configured to transform the electronic signals into a second binary signal; a decision encoder configured to compute identification signals based on the plurality of first binary signals, and to compute reliability information of the computed identification signals; a converter configured to combine the identification signals and the second binary signal to combined identification signals; and a controller configured to execute an initial identification of the electronic signals in any one of the plurality of first deciders by using an initial threshold level in the plurality of first deciders, to measure an average amplitude of the electronic signals, and to correct the threshold level of the plurality of first deciders based on a variation of the average amplitude of the electronic signals.

摘要翻译： 一种光信号接收设备，包括配置成将光信号转换成电子信号的光电转换器; 配置为将电子信号转换成第一二进制信号的第一决定器; 第二判定器，被配置为将所述电子信号转换为第二二进制信号; 判定编码器，被配置为基于所述多个第一二进制信号计算识别信号，并计算所计算的识别信号的可靠性信息; 转换器，被配置为将识别信号和第二二进制信号组合到组合识别信号; 以及控制器，被配置为通过使用所述多个第一判决器中的初始阈值电平来执行所述多个第一判定器中的任何一个中的所述电子信号的初始识别，以测量所述电子信号的平均幅度，并校正所述阈值 基于电子信号的平均幅度的变化，多个第一判定器的电平。

公开(公告)号：US20070053697A1

公开(公告)日：2007-03-08

申请号：US11349248

申请日：2006-02-08

申请人： Yoshiaki Konishi ,  Kazuo Kubo

发明人： Yoshiaki Konishi ,  Kazuo Kubo

IPC分类号： H04B10/04

CPC分类号： H04B10/5055 ,  H04B10/505 ,  H04B10/5053 ,  H04B10/5561 ,  H04L25/497 ,  H04L27/2071 ,  H04L27/2096

摘要： A parallel precoder circuit executes a differential encoding operation on an n-row parallel input information series, and outputs an n-row parallel output information series, where 2≦n. Output sets of differential encoding operation circuits each of which having a largest column number from among differential encoding operation circuits disposed in first row to (n−1)th row become first-row to (n−1)th-row parallel outputs information series, and an output set of an nth-row delay circuit becomes nth-row parallel output information series.

摘要翻译： 并行预编码器电路对n行并行输入信息序列执行差分编码操作，并且输出n行并行输出信息序列，其中2 <= n。 从布置在第一行至第（n-1）行的差分编码运算电路中，每个具有最大列数的差分编码运算电路的输出组成为第一行至第（n-1）行并行输出信息序列 并且第n行延迟电路的输出组成为第n行并行输出信息序列。