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51. 发明授权

US07158728B2 Optical repeating system and optical amplifying repeater control method 失效
标题翻译：光学重复系统和光放大中继器控制方法
公开(公告)号：US07158728B2
公开(公告)日：2007-01-02
申请号：US10191319
申请日：2002-07-10
申请人： Yasunori Kasahara , Hideki Goto , Takashi Mizuochi , Kenkichi Shimomura , Yukio Horiuchi , Masatoshi Suzuki , Daishi Ishii , Toshio Kawazawa
发明人： Yasunori Kasahara , Hideki Goto , Takashi Mizuochi , Kenkichi Shimomura , Yukio Horiuchi , Masatoshi Suzuki , Daishi Ishii , Toshio Kawazawa
IPC分类号： H04B10/02
CPC分类号： H04B10/2918 , H04B10/0777 , H04B2210/074
摘要： An optical repeating system includes an optical transmitter and a plurality of optical amplifying repeaters. The optical transmitter specifies a part or all of the optical amplifying repeaters, and transmits a supervisory command to the specified optical amplifying repeaters as a first sub-signal via an uplink or downlink optical transmission line. The supervisory command is a command to supervise internal circuits of the optical amplifying repeaters. Receiving the supervisory command addressed thereto via the uplink or downlink optical transmission line, the optical amplifying repeaters each transmit a supervisory signal indicating a supervisory result corresponding to the supervisory command to optical receivers via the uplink and downlink optical transmission lines as a second sub-signal. The optical system can reduce the time take to acquire the supervisory information about the plurality of the optical amplifying repeaters.
摘要翻译：光学重复系统包括光发射机和多个光放大中继器。光发射机规定了一部分或全部光放大中继器，并经由上行或下行光传输线路将指示的光放大中继器的监控命令作为第一子信号发送。监控命令是监控光放大中继器内部电路的命令。通过上行链路或下行链路光传输线路接收到该监控命令，光放大中继器将经过上行和下行光传输线路的指示对应于监控命令的监控结果的监控信号发送给光接收机作为第二子信号。光学系统可以减少获取关于多个光学放大转发器的监控信息的时间。

52. 发明授权

US07110681B1 Method and apparatus for optical transmission 有权
标题翻译：光传输方法及装置
公开(公告)号：US07110681B1
公开(公告)日：2006-09-19
申请号：US10129971
申请日：2000-10-13
申请人： Takashi Mizuochi
发明人： Takashi Mizuochi
IPC分类号： H04B10/04
CPC分类号： H04L25/4917 , H04B10/505 , H04B10/5055 , H04B10/508 , H04B10/5162 , H04B10/541 , H04B10/6932 , H04L25/06
摘要： Binary information is subjected to RZ encoding and multi-level encoding, and the encoded signal is optically modulated.
摘要翻译：对二进制信息进行RZ编码和多级编码，并对编码信号进行光学调制。

53. 发明授权

US06826325B2 Optical signal switching unit 失效
标题翻译：光信号切换单元
公开(公告)号：US06826325B2
公开(公告)日：2004-11-30
申请号：US10190725
申请日：2002-07-09
申请人： Seiichiro Tabata , Takashi Mizuochi
发明人： Seiichiro Tabata , Takashi Mizuochi
IPC分类号： G02B626
CPC分类号： G02B6/3502 , G02B6/3546 , G02B6/3578
摘要： An optical signal switching unit causing no instantaneous cutoff in switching without a latency time. The optical signal switching unit has input waveguides and output waveguides, optical switches for switching the course of each optical signal, located at intersections between the waveguides and outputting the optical signal to the output waveguides. This optical signal switching unit includes optical switches and a switch state control part controlling the states of the optical switches, thereby controlling formation of the output optical signal. The optical switches take binary states including a first route state providing the optical signal with a first course and a second course state providing the optical signal with a second course, and an intermediate state including part of both of the first and second course states.
摘要翻译：光信号切换单元在没有延迟时间的情况下不进行切换的瞬时切断。光信号切换单元具有输入波导和输出波导，用于切换位于波导之间的交叉处的每个光信号的路线的光开关，并将光信号输出到输出波导。该光信号切换单元包括光开关和控制光开关状态的开关状态控制部，由此控制输出光信号的形成。光开关采取二进制状态，包括提供具有第一进程的光信号的第一路由状态和向第一进程提供光信号的第二进程状态，以及包括第一和第二进程状态两者的一部分的中间状态。

54. 发明授权

US06801720B1 Optical signal quality supervisory device 失效
标题翻译：光信号质量监控装置
公开(公告)号：US06801720B1
公开(公告)日：2004-10-05
申请号：US09559644
申请日：2000-04-28
申请人： Takashi Mizuochi , Yojiro Osaki , Aritomo Uemura , Hiroshi Ichibangase , Kiwami Matsushita , Tadayoshi Kitayama , Shu Yamamoto , Tetsuya Miyazaki , Takatomi Kabashima , Naoki Kobayashi
发明人： Takashi Mizuochi , Yojiro Osaki , Aritomo Uemura , Hiroshi Ichibangase , Kiwami Matsushita , Tadayoshi Kitayama , Shu Yamamoto , Tetsuya Miyazaki , Takatomi Kabashima , Naoki Kobayashi
IPC分类号： H04B1016
CPC分类号： H04L1/20 , H04B10/0775 , H04B2210/071 , H04B2210/072 , H04B2210/078 , H04J3/14 , H04J14/02 , H04J14/0227 , H04J14/0245 , H04J14/0249 , H04J14/0283 , H04J2203/0057
摘要： The present invention has an object to obtain an optical signal quality supervisory device that supervises the quality of an optical signal simply, efficiently and with high accuracy without inviting an increase in cost, an increase in circuit scale and increase in power consumption. The bit rate of the optical supervisory channel is made lower than the bit rate of the optical main channel that is transmitted over an optical communication system, but the reception electric band width of a receiver that receives the optical supervisory channel is made equal to or wider than the reception electric band width of a receiver that receives the optical main channel. Also, the optical supervisory channel is made up of an SOH (section over head) frame to detect an error of the BIP (bit interleaved parity) byte of SOH, thereby supervising the quality of the optical communication system, in particular, the light wave network.
摘要翻译：本发明的目的是获得一种光信号质量监控装置，其能够简单，有效且高精度地监视光信号的质量，而不会增加成本，增加电路规模和增加功耗。使光监视信道的比特率低于通过光通信系统发送的光主干的比特率，但接收光监控信道的接收机的接收电带宽度等于或大于比接收光学主通道的接收机的接收电带宽度大。此外，光监控信道由SOH（部分头）帧构成，以检测SOH的BIP（比特交织奇偶校验）字节的错误，从而监督光通信系统的质量，特别是光波网络。

55. 发明授权

US5861967A Wavelength multiplexed light transfer unit and wavelength multiplexed light transfer system 失效
标题翻译：波长复用光传输单元和波长复用光传输系统
公开(公告)号：US5861967A
公开(公告)日：1999-01-19
申请号：US70560
申请日：1998-04-30
申请人： Takashi Mizuochi , Tadayoshi Kitayama
发明人： Takashi Mizuochi , Tadayoshi Kitayama
IPC分类号： H04J14/00 , G02B6/12 , G02B6/34 , H04B10/038 , H04B10/079 , H04B10/2507 , H04B10/27 , H04B10/272 , H04B10/275 , H04B10/29 , H04B10/291 , H04J14/02
CPC分类号： G02B6/29395 , G02B6/02085 , G02B6/02138 , G02B6/29353 , G02B6/29355 , G02B6/29358 , H04J14/0201 , H04J14/0204 , H04J14/0205 , H04J14/0213 , H04J14/0217 , G02B6/29317 , H04J14/02 , H04J14/0206 , H04J14/0221
摘要： A branch circuit is formed by forming an optical filter by means of connecting a wavelength selective reflector to between two units of directional coupler and further assembling three units of the optical filter. In the branch circuit, the three optical filters are connected to each other so that the light coming in from a first optical filter is outputted to a third optical filter when the wave length selective reflector reflects the light, and to a second optical filter when the wavelength selective reflector passes the light therethrough; the light coming in from the second optical filter is outputted to the first optical filter when the wavelength selective reflector reflects the light, and to the third filter when the wavelength selective reflector passes the light therethrough; and also the light coming in from the third optical filter is outputted to the second optical filter when the wavelength selective reflector reflects the light and to the first optical filter when the wavelength selective reflector passes the light therethrough.
摘要翻译：通过将波长选择性反射器连接到两个定向耦合器单元之间并且进一步组装光学滤波器的三个单元，形成滤光器形成分支电路。在分支电路中，三个滤光器彼此连接，使得当波长选择反射器反射光时，从第一滤光器入射的光被输出到第三滤光器，并且当第二滤光器波长选择反射器使光通过其中; 当波长选择反射器反射光时，从第二滤光器入射的光被输出到第一滤光器，当波长选择反射器通过光时，输出到第三滤光器; 并且当波长选择反射体反射光时，从第三滤光器入射的光也被输出到第二滤光器，并且当波长选择反射器通过光时，输出到第一滤光器。

56. 发明授权

US5760949A Light amplifier 失效
标题翻译：光放大器
公开(公告)号：US5760949A
公开(公告)日：1998-06-02
申请号：US706611
申请日：1996-09-05
申请人： Kuniaki Motoshima , Takashi Mizuochi , Katsumi Takano , Tadayoshi Kitayama
发明人： Kuniaki Motoshima , Takashi Mizuochi , Katsumi Takano , Tadayoshi Kitayama
IPC分类号： G02F1/35 , H01S3/06 , H01S3/094 , H01S3/10 , H01S3/131 , H01S5/068 , G02B6/26 , H01S3/00
CPC分类号： H01S3/094003 , H01S3/09408 , H01S3/1312
摘要： Reflectors each having a reflectance peak wavelength within a band of the wavelength characteristics of a laser amplification factor in the unsaturated state of each light source for excitation are provided between light sources for excitation and an optical coupler, and stable wavelength locking is effected by returning a portion of a small portion of excited light reflected by the reflectors into the light sources for excited light.
摘要翻译：在激发用光源和光耦合器的光源之间设置各激光放大倍数的波长特性的带内的反射率峰值波长的反射器，并且通过返回稳定的波长锁定由反射器反射的激发光的一小部分到用于激发光的光源中。

57. 发明授权

US08693864B2 Optical network system, optical redundant switching apparatus, and WDM apparatus 有权
标题翻译：光网络系统，光冗余交换设备和WDM设备
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。

58. 发明申请

US20120246537A1 ERROR CORRECTION METHOD AND DEVICE 审中-公开
标题翻译：错误校正方法和设备
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。

59. 发明申请

US20120183303A1 MULTILEVEL MODULATED OPTICAL TRANSCEIVER AND MULTILEVEL MODULATED OPTICAL TRANSMITTING/RECEIVING METHOD 审中-公开
标题翻译：多路调制光收发器和多路调制光传输/接收方法
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。

60. 发明申请

US20110255876A1 OPTICAL TRANSMITTER 有权
标题翻译：光学发射器
公开(公告)号：US20110255876A1
公开(公告)日：2011-10-20
申请号：US13140955
申请日：2010-01-13
申请人： Takashi Sugihara , Soichiro Kametani , Takashi Mizuochi , Yoshiaki Konishi
发明人： Takashi Sugihara , Soichiro Kametani , Takashi Mizuochi , Yoshiaki Konishi
IPC分类号： H04B10/04
CPC分类号： H04L27/36 , H04B10/5053 , H04B10/5055 , H04B10/516
摘要： An optical transmitter for converting an input data series into an optical multi-level signal and for outputting the same, includes an LUT in which data for executing optical multi-level modulation is stored and from which first modulation data and second modulation data are output based on the input data series. A DAC converts the first modulation data by D/A conversion to generate a first multi-level signal. A DAC converts the second modulation data by D/A conversion to generate a second multi-level signal. A dual-electrode MZ modulator includes a first phase modulator for modulating light from a light source in accordance with the first multi-level signal and a second phase modulator for modulating light from the light source in accordance with the second multi-level signal, and combines an optical signal from the first phase modulator and an optical signal from the second phase modulator to output the optical multi-level signal.
摘要翻译：用于将输入数据序列转换为光学多级信号并用于输出的光发送器包括：LUT，其中存储用于执行光学多电平调制的数据，并从其输出第一调制数据和第二调制数据在输入数据系列上。 DAC通过D / A转换来转换第一调制数据以产生第一多电平信号。 DAC通过D / A转换来转换第二调制数据以产生第二多电平信号。双电极MZ调制器包括用于根据第一多电平信号调制来自光源的光的第一相位调制器和用于根据第二多电平信号调制来自光源的光的第二相位调制器，以及组合来自第一相位调制器的光信号和来自第二相位调制器的光信号以输出光多电平信号。

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