专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2010245785A Burst mode optical transmitter 有权
标题翻译： BURST模式光学发射器
公开(公告)号：JP2010245785A
公开(公告)日：2010-10-28
申请号：JP2009091478
申请日：2009-04-03
申请人： Nippon Telegr & Teleph Corp , Ntt Electornics Corp , Nttエレクトロニクス株式会社 , 日本電信電話株式会社
发明人： KITAHARA KOJI , NAKAMURA HIROTAKA , KIMURA SHUNJI
IPC分类号： H04B10/293 , H01S5/0683 , H04B10/07 , H04B10/2507 , H04B10/40 , H04B10/50 , H04B10/54 , H04B10/564 , H04B10/572 , H04B10/60
摘要： PROBLEM TO BE SOLVED: To provide a burst mode optical transmitter which, even when transmitting a high-speed burst optical signal, maintains an extinction ratio of the burst optical signal right after the start of the transmission at an extinction ratio in a normal time.
SOLUTION: The burst mode optical transmitter includes: a bias current circuit 13 for supplying bias current to a signal light transmission means 11 which transmits a burst optical signal based on a modulation signal; a light monitor means 14 for monitoring light intensity of the burst optical signal from a signal light transmission means 11 and outputting a monitor value; a feedback circuit 15 for feeding the monitor value from the light monitor means 14 back to the bias current of the bias current circuit 13 so that light intensity of the burst optical signal is maintained at a prescribed value; and a control circuit 22 for adding a compensation value to the monitor value so as to maximize the extinction ratio of a burst optical signal from the signal light transmission means 11.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种突发模式光发射机，即使在发送高速脉冲串光信号时，在发射开始之后，以突发光信号的消光比保持突发光信号的消光比在正常时间解决方案：突发模式光发射机包括：偏置电流电路13，用于向信号光发送装置11提供偏置电流，信号光发送装置11基于调制信号发送突发光信号; 用于监视来自信号光传输装置11的突发光信号的光强度并输出监视值的光监视装置14; 用于将来自光监视装置14的监视值馈送回到偏置电流电路13的偏置电流的反馈电路15，使得突发光信号的光强度保持在规定值; 以及控制电路22，用于将补偿值与监视值相加，以使来自信号光传输装置11的突发光信号的消光比最大化。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2010011011A Bit-rate determining device, bit-rate determination method, signal discriminator, and optical-signal reception discriminator 有权
标题翻译：位速率确定装置，位速率确定方法，信号识别器和光信号接收分辨器
公开(公告)号：JP2010011011A
公开(公告)日：2010-01-14
申请号：JP2008167215
申请日：2008-06-26
申请人： Nippon Telegr & Teleph Corp , Ntt Electornics Corp , Nttエレクトロニクス株式会社 , 日本電信電話株式会社
发明人： HARA KAZUTAKA , KIMURA SHUNJI , NAKAMURA HIROTAKA , KITAHARA KOJI , URABE YOSHIKAZU , ENDO MASAHIRO
IPC分类号： H04L25/03
摘要： PROBLEM TO BE SOLVED: To provide a bit-rate determining device and a bit-rate determination method that allow determination of a signal bit rate, regardless of the signal voltage value, and to provide a signal discriminator and an optical-signal reception discriminator, respectively provided with the bit-rate determination device. SOLUTION: The bit-rate determining device has a first input port 1 for acquiring an input signal from the front of a gate circuit of a first path; a second input port 2 for acquiring an input signal from the front of a gate circuit of a second path; a low-speed bit-rate determining circuit 113, connected to the first input port 1 so as to determine whether the input signal is a low-speed bit rate; a high-speed bit-rate determination circuit 114 connected to the second input port 2 so as to determine whether the input signal is a high-speed bit rate; and a signal output circuit 211, that outputs a control signal from a first control port 3 and a second control port 4, on the basis of the determination results, from the low-speed bit-rate determining circuit 113 and the high-speed bit-rate determining circuit 114. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种比特率确定装置和比特率确定方法，其允许确定信号比特率，而不管信号电压值，并且提供信号鉴别器和光信号接收鉴别器，分别设置有比特率确定装置。解决方案：比特率确定装置具有用于从第一路径的门电路的前面获取输入信号的第一输入端口1; 用于从第二路径的门电路的前面获取输入信号的第二输入端口2; 低速比特率确定电路113，连接到第一输入端口1，以便确定输入信号是否是低速比特率; 连接到第二输入端口2的高速比特率确定电路114，以便确定输入信号是否是高速比特率; 以及信号输出电路211，其基于判定结果，从低速比特率判定电路113和高速比特位置输出来自第一控制端口3和第二控制端口4的控制信号速度确定电路114.版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2010245784A Burst mode optical transmitter 有权
标题翻译： BURST模式光学发射器
公开(公告)号：JP2010245784A
公开(公告)日：2010-10-28
申请号：JP2009091477
申请日：2009-04-03
申请人： Nippon Telegr & Teleph Corp , Ntt Electornics Corp , Nttエレクトロニクス株式会社 , 日本電信電話株式会社
发明人： KITAHARA KOJI , NAKAMURA HIROTAKA , KIMURA SHUNJI
IPC分类号： H04B10/293 , H04B10/07 , H04B10/2507 , H04B10/40 , H04B10/50 , H04B10/54 , H04B10/564 , H04B10/572 , H04B10/60
摘要： PROBLEM TO BE SOLVED: To provide a burst mode optical transmitter maintaining a duty factor of a burst optical signal even when transmitting a high-speed burst optical signal. SOLUTION: The burst mode optical transmitter includes: a modulation circuit 12 for modulating an input signal and generating a modulation signal; a bias current circuit 13 for supplying bias current to a signal light transmission means 11 which transmits a burst optical signal based on the modulation signal; and a control circuit 21 for controlling duty factor of the modulation signal with respect to the modulation circuit 12 so that a duty factor of the burst optical signal during a prescribed compensation time from a time at which the bias current circuit 13 starts supply of bias current to the signal light transmission means 11 and a duty factor in a normal state become equal. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使在发送高速突发光信号时，也提供保持突发光信号的占空比的突发模式光发射机。解决方案：突发模式光发射机包括：调制电路12，用于调制输入信号并产生调制信号; 偏置电流电路13，用于向基于调制信号发送突发光信号的信号光发送装置11提供偏置电流; 以及控制电路21，用于控制相对于调制电路12的调制信号的占空比，使得从偏置电流电路13开始提供偏置电流的时间开始的规定补偿时间期间的突发光信号的占空比信号光传输装置11和正常状态下的占空比变得相等。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2009164938A Speed determining method, speed determining circuit and speed determining device 有权
标题翻译：速度确定方法，速度确定电路和速度测定装置
公开(公告)号：JP2009164938A
公开(公告)日：2009-07-23
申请号：JP2008001017
申请日：2008-01-08
申请人： Nippon Telegr & Teleph Corp , Ntt Electornics Corp , Nttエレクトロニクス株式会社 , 日本電信電話株式会社
发明人： HARA KAZUTAKA , KIMURA SHUNJI , NAKAMURA HIROTAKA , KITAHARA KOJI , URABE YOSHIKAZU , ENDO MASAHIRO
IPC分类号： H03K5/19 , H03K5/26
摘要： PROBLEM TO BE SOLVED: To provide: a speed determining method which determines a transmission speed faster than a conventional art; a speed determining circuit; and a speed determining device.
SOLUTION: The speed determining device comprises: delay elements 2, 3 for generating two signals having a delay difference equivalent to an integral multiple of a pattern cycle of a preamble signal included in an input signal into an input terminal 1; a coincidence detector 4 for comparing logics of the two signals outputted from the delay elements 2, 3; an integration circuit 6 for integrating an output signal of the coincidence detector 4; and a comparator 7 for comparing a signal obtained by the integration circuit 6 with a threshold value Vref to output a determination result.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供：比传统技术更快地确定传输速度的速度确定方法; 速度确定电路; 和速度确定装置。速度确定装置包括：延迟元件2,3，用于产生具有等于输入到输入端1的输入信号中包括的前导信号的模式周期的整数倍的延迟差的两个信号; 用于比较从延迟元件2,3输出的两个信号的逻辑的符合检测器4; 用于对重合检测器4的输出信号进行积分的积分电路6; 以及比较器7，用于将由积分电路6获得的信号与阈值Vref进行比较，以输出确定结果。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2014241466A ディスカバリ方法及び光伝送システム有权
标题翻译：发现方法和光传输系统
公开(公告)号：JP2014241466A
公开(公告)日：2014-12-25
申请号：JP2013122453
申请日：2013-06-11
申请人：日本電信電話株式会社 , Nippon Telegr & Teleph Corp
发明人： KIMURA HIDEAKI , NAKAMURA HIROTAKA , ASAKA KOTA
IPC分类号： H04B10/272 , H04B10/073 , H04J14/00 , H04J14/02 , H04L12/44
摘要：【課題】起動直後などONUの波長可変フィルタが不定状態にある場合でもディスカバリ信号を受信することができ、且つ光信号の送受信に用いる波長スロット数が増加してもONUの認証時間の増加を抑えることができるディスカバリ方法及び光伝送システムを提供することを目的とする。【解決手段】本発明は、ディスカバリ信号を送信する際、ONU(加入者宅装置)において波長可変フィルタの透過波長帯域を拡張するとともに、OLT(局側装置)においてディスカバリ信号に近い信号波長の光信号を停止することとした。【選択図】図1
摘要翻译：要解决的问题：提供一种发现方法和光传输系统，如果ONU的波长可变滤波器处于不稳定状态（诸如激活之后），则能够接收发现信号，并且能够抑制ONU认证时间的增加如果用于光信号的发送/接收中的波长时隙的数量增加。解决方案：发现方法包括：在发送发现信号时，在ONU（用户驻地设备）中扩展波长可变滤波器的传输波长带; 并且在OLT（站侧设备）中挂起具有与发现信号的信号波长接近的信号波长的光信号。

6. 发明专利

JP2014155146A Wavelength-variable burst transmitter 有权
标题翻译：波长可变的爆发发射机
公开(公告)号：JP2014155146A
公开(公告)日：2014-08-25
申请号：JP2013025288
申请日：2013-02-13
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： TAGUCHI KATSUHISA , NAKAMURA HIROTAKA , ASAKA KOTA
IPC分类号： H04B10/572 , H04B10/564
摘要： PROBLEM TO BE SOLVED: To achieve a wavelength-variable burst transmitter capable of suppressing variation of an output due to a wavelength change.SOLUTION: The wavelength-variable burst transmitter includes: a wavelength-variable burst transmission part in which a wavelength of burst signal light is determined in each burst frame by a signal wavelength switching signal and modulated by a data signal and the burst signal light is turned on or off by a burst control signal in each burst signal frame; a gain clamp light generation part for outputting gain clamp light modulated by an inverted data signal having a wavelength different from that of the burst signal light and logically inverted from the data signal; an optical multiplication/amplification part for multiplying the burst signal light outputted from the wavelength-variable burst transmission part and the gain clump light outputted from the gain clump light generation part and amplifying the multiplied signal; and an optical amplification control part for controlling gain of the optical multiplication/amplification part so that a level of the burst signal light is fixed on the basis of an SOA control signal.
摘要翻译：要解决的问题：实现能够抑制由于波长变化引起的输出变化的波长可变突发发射机。解决方案：波长可变突发发射机包括：波长可变突发传输部分，其中突发信号的波长在每个突发帧中通过信号波长切换信号确定光并由数据信号进行调制，并且通过每个突发信号帧中的突发控制信号使突发信号光导通或截止; 增益钳位光产生部分，用于输出由与脉冲串信号光的波长不同的反相数据信号调制的增益钳位光，并从数据信号中逻辑反相; 一个光学倍增/放大部分，用于将从波长可变脉冲串发射部分输出的脉冲串信号光和从增益光束产生部分输出的增益光束相乘，并放大倍增的信号; 以及用于控制光学倍增/放大部分的增益的光放大控制部分，使得基于SOA控制信号固定突发信号光的电平。

7. 发明专利

JP2014138195A Wavelength-tunable burst transmitter 审中-公开
标题翻译：波长可调式脉冲发射器
公开(公告)号：JP2014138195A
公开(公告)日：2014-07-28
申请号：JP2013004294
申请日：2013-01-15
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： TAGUCHI KATSUHISA , NAKAMURA HIROTAKA , ASAKA KOTA
IPC分类号： H04B10/572
摘要： PROBLEM TO BE SOLVED: To provide a wavelength-tunable burst transmitter achieving increased output of transmission output and improvement in signal light leakage when a burst optical signal is off.SOLUTION: The present invention relates to a wavelength-tunable burst transmitter including: a wavelength-tunable transmitter for modulating light with a data signal to output continuous optical signals, the light having a wavelength determined by a wavelength switching signal; and a burst control section for amplifying or blocking the continuous optical signals from the wavelength-tunable transmitter for each burst frame by a burst control signal.
摘要翻译：要解决的问题：提供一种波长可调谐突发发射机，当突发光信号关闭时，实现增加的传输输出输出和改善信号光泄漏。解决方案：本发明涉及一种波长可调谐突发发射机，包括：波长用于通过数据信号调制光以输出连续光信号的所述光发射器，所述光具有由波长切换信号确定的波长; 以及突发控制部分，用于通过突发控制信号对每个突发帧的波长可调发送器的连续光信号进行放大或阻塞。

8. 发明专利

JP2014007487A Communication control method and station side optical communication device 有权
标题翻译：通信控制方法和站点光通信设备
公开(公告)号：JP2014007487A
公开(公告)日：2014-01-16
申请号：JP2012140585
申请日：2012-06-22
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： KIMURA HIDEAKI , NAKAMURA HIROTAKA
IPC分类号： H04L12/44
摘要： PROBLEM TO BE SOLVED: To provide an OLT communication control method and an OLT that can reduce the power consumption of the OLT while satisfying a traffic request band.SOLUTION: The invention is an OLT communication control method in a WDM/TDM-PON system which can switch an uplink allocation wavelength and allocation time slot according to time. The communication control method comprises, in the following order: an optical signal receiver request number calculation procedure for calculating the request number of optical signal receivers on the basis of the uplink traffic request band from ONUs; a sleeping optical signal receiver determination procedure for determining optical signal receivers which will be shifted to a sleeping state when the optical signal receiver request number is smaller than an optical signal receiver operation number; and an optical signal receiver sleeping state transition procedure for relocating an uplink allocation wavelength and allocation time slot according to the determined sleeping optical signal receivers and for shifting the optical signal receivers which do not have the uplink allocation wavelength any more to the sleeping state.
摘要翻译：要解决的问题：提供一种能够在满足业务请求频带的同时降低OLT的功耗的OLT通信控制方法和OLT。解决方案：本发明是一种WDM / TDM-PON系统中的OLT通信控制方法，可以根据时间切换上行分配波长和分配时隙。通信控制方法按照以下顺序包括：根据来自ONU的上行链路业务请求频带计算光信号接收机的请求数的光信号接收机请求号码计算程序; 睡眠光信号接收机确定程序，用于确定当光信号接收机请求号小于光信号接收机操作数时将被转移到休眠状态的光信号接收机; 以及用于根据所确定的睡眠光信号接收机重定位上行分配波长和分配时隙的光信号接收器睡眠状态转换过程，并且用于将没有上行链路分配波长的光信号接收机移动到睡眠状态。

9. 发明专利

JP2012004728A Communication system and band allocation method 有权
标题翻译：通信系统和带分配方法
公开(公告)号：JP2012004728A
公开(公告)日：2012-01-05
申请号：JP2010136273
申请日：2010-06-15
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： YOSHINO MANABU , HARA KAZUTAKA , NAKAMURA HIROTAKA , KIMURA SHUNJI
IPC分类号： H04L12/44
摘要： PROBLEM TO BE SOLVED: To provide a communication system and a band allocation method in which a total of both unicast traffic and multicast traffic can be made closer to a band allocation corresponding to a user-set weighting, while considering the presence/absence of the multicast traffic communication of the relevant user without reducing a band utilization efficiency.SOLUTION: A control apparatus of an optical communication system 301 distributes all bands of a network 151 to users 201 in a ratio corresponding to a weighting set for each user 201 as user bands, allocates multicast traffic to the user bands more preferentially than unicast traffic, and further allocates the unicast traffic to the bands obtained by subtracting the bands, in which the multicast traffic allocated to the users 201 is multiplied by the ratio corresponding to the weighting of the users 201, from the user bands prior to preferentially allocating the multicast traffic.
摘要翻译：要解决的问题：为了提供一种通信系统和频带分配方法，其中可以使单播业务和多播业务的总和更接近于对应于用户设置权重的频带分配，同时考虑到存在/ 没有相关用户的组播流量通信，而不降低频带利用效率。解决方案：光通信系统301的控制装置以与用户频带的每个用户201的加权集相对应的比例将网络151的所有频带分配给用户201，比用户频带更优先地向用户频带分配多播业务单播流量，并且进一步将通过从优先分配之前的用户频带中减去其中分配给用户201的多播流量乘以与用户201的加权相对应的比率而获得的频带分配给所述频带组播流量。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2011223407A Optical communication system and optical communication method 有权
标题翻译：光通信系统和光通信方法
公开(公告)号：JP2011223407A
公开(公告)日：2011-11-04
申请号：JP2010091642
申请日：2010-04-12
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： YOSHINO MANABU , HARA KAZUTAKA , NAKAMURA HIROTAKA , KIMURA SHUNJI
IPC分类号： H04L12/44 , H04B10/27 , H04B10/272 , H04J14/08
摘要： PROBLEM TO BE SOLVED: To provide an optical communication system and an optical communication method which can freely change a wavelength, a path, or their combination for an upstream signal and a downstream signal and avoid a collision of upstream signals.SOLUTION: In switching a wavelength of an upstream signal or a downstream signal, an Optional Line Terminal (OLT) 200 transmits a gate message GM including a time stamp t1 of the time to which optical transmitting and receiving devices (21 and 22) add a propagation delay difference Δ generated between an Optical Network Unit (ONU) 100A and each of the transmitting and receiving devices (21 and 22) to the time of the OLT 200, a transmission starting time t2 in which an upstream signal of the ONU 100A is permitted, and a transmission available duration time K of the upstream signal of the ONU 100A. In this case, the ONU 100A sets the time of the ONU 100A to the time stamp of the gate message GM when receiving the gate message GM from the OLT 200, and transmits an upstream signal from the transmission starting time t2 included in the gate message GM for the transmission available duration time K included in the gate message GM.
摘要翻译：解决的问题：提供一种光通信系统和光通信方法，其可以自由地改变用于上行信号和下行信号的波长，路径或其组合，并避免上行信号的冲突。解决方案：在切换上行信号或下行信号的波长时，可选线路终端（OLT）200发送包括光发送和接收装置（21和22）的时间戳t1的门消息GM 将在光网络单元（ONU）100A与发送和接收设备（21和22中的每一个）之间生成的传播延迟差Δ添加到OLT200的时间，发送开始时间t2，其中， ONU 100A被允许，并且ONU 100A的上行信号的传输可用持续时间K。在这种情况下，在从OLT200接收到门消息GM的情况下，ONU 100A将ONU 100A的时刻设定为门消息GM的时间戳，并且从包含在门信息中的发送开始时刻t2发送上行信号 GM用于传输可用持续时间K，包括在门消息GM中。版权所有（C）2012，JPO＆INPIT

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式