专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明专利

JP2010114622A Optical communication system, transmitter of optical subscriber unit, receiver of optical network unit, and method for transmitting outgoing signal of optical subscriber unit 审中-公开
标题翻译：光通信系统，光学用户单元的发射机，光网络单元的接收机，以及用于发送光学用户单元的发射信号的方法
公开(公告)号：JP2010114622A
公开(公告)日：2010-05-20
申请号：JP2008285112
申请日：2008-11-06
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： IWATSUKI KATSUMI , YOSHIMOTO NAOTO
IPC分类号： H04B10/27 , H04B10/272 , H04J14/00 , H04J14/02
摘要： PROBLEM TO BE SOLVED: To provide a colorless ONU (Optical Network Unit) corresponding to a power splitter type WDM-PON (Passive Optical Network) without using a wavelength variable filter.
SOLUTION: In this optical communication system in which a plurality of OSUs of a station side and a plurality of ONUs 20-1 to 20-n of a users side are connected through a power splitter and an optical fiber transmission path, each OSU includes a transmitter including an RF modulating means for generating an RF modulated signal by allocating at least one sub-carrier frequency and modulating an RF carrier wave of the sub-carrier frequency with a transmission signal, and a light source for transmitting modulated light having an oscillation wavelength different in each OSU and modulated with the RF modulated signal as an outgoing signal, and further includes a wavelength multiplexer/demultiplexer for performing wavelength multiplexing of an ongoing signal of each wavelength transmitted from each OSU and transmitting the ongoing signal. Each ONU includes a receiver including: a photodetector for converting each ongoing signal transmitted from each OSU into an electric signal; and an RF demodulator for demodulating a transmission signal of an OSU with the same sub-carrier frequency allocated thereto from the electric signal on the basis of a sub-carrier frequency of each ONU.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：不使用波长可变滤波器来提供对应于功率分配器型WDM-PON（无源光网络）的无色ONU（光网络单元）。解决方案：在通过功率分配器和光纤传输路径连接用户侧的站侧的多个OSU和多个ONU 20-1〜20-n的该光通信系统中， OSU包括：发射机，包括RF调制装置，用于通过分配至少一个副载波频率和用发射信号调制副载波频率的RF载波来产生RF调制信号;以及光源，用于发射具有每个OSU中的振荡波长不同，并且用RF调制信号作为输出信号进行调制，并且还包括波长多路复用器/解复用器，用于对从每个OSU发送的每个波长的正在进行的信号执行波长复用并发送正在进行的信号。每个ONU包括接收机，包括：光电检测器，用于将从每个OSU发送的每个正在进行的信号转换成电信号; 以及RF解调器，用于基于每个ONU的子载波频率从电信号解调具有与其分配的相同副载波频率的OSU的发送信号。版权所有（C）2010，JPO＆INPIT

22. 发明专利

JP2008299238A Waveguide type optical switch 有权
标题翻译：波导型光开关
公开(公告)号：JP2008299238A
公开(公告)日：2008-12-11
申请号：JP2007147750
申请日：2007-06-04
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： WATANABE TOSHIO , YOSHIMOTO NAOTO , TAKAHASHI HIROSHI , SHIBATA TOMOHIRO
IPC分类号： G02F1/313 , G02B26/08
摘要： PROBLEM TO BE SOLVED: To provide a waveguide type optical switch that decreases influences of production errors and facilitates production of a high-performance optical switch with high yield.
SOLUTION: The waveguide optical switch comprises 1-input 2-output unit optical switch elements 111 to 114 connected in a cascade, wherein one output port of the two of an (i-1)th unit optical switch element (wherein i represents an integer satisfying 2≤i≤N-1) is connected to the input port of an i-th unit optical switch element; one output port of the two of the i-th unit optical switch element is connected to the input port of an (i+1)th unit optical switch element; and the other output port of the (i-1)th unit optical switch element and the other output port of the i-th unit optical switch element are placed at positions opposing to each other interposing the unit optical switch element group consisting of the unit optical switch elements 111 to 114.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种降低生产误差影响的波导型光开关，并且有利于高产率的高性能光开关的制造。解决方案：波导光开关包括以级联方式连接的1输入2-输出单元光开关元件111至114，其中第（i-1）单元光开关元件（其中i 表示满足2≤i≤N-1的整数）连接到第i单元光开关元件的输入端口; 第i个单元光开关元件两个的一个输出端口连接到第（i + 1）个单元光开关元件的输入端口; 第（i-1）单元光开关元件的另一输出端口和第i单元光开关元件的另一输出端口位于彼此相对的位置，插入由单元组成的单元光开关元件组光开关元件111至114.版权所有（C）2009，JPO＆INPIT

23. 发明专利

JP2008244715A Line testing device and line testing method 审中-公开
标题翻译：线路测试设备和线路测试方法
公开(公告)号：JP2008244715A
公开(公告)日：2008-10-09
申请号：JP2007080848
申请日：2007-03-27
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： OKADA MITSUMASA , YOSHIMOTO NAOTO , KAWAI SHINGO , MIZUTA MUNENORI
IPC分类号： H04L12/42 , H04B10/032 , H04B10/035 , H04B10/07 , H04B10/073 , H04B10/077
摘要： PROBLEM TO BE SOLVED: To provide a line testing device and a line testing method capable of executing an out-of-service line test without causing communication disconnection in a main signal.
SOLUTION: In the line test method, a test signal is transmitted and received between transmitters 02, 03 to test lines in transmitter sections. The transmitter 02 is set to be an insertion/separation device that can insert the test signal into a data region and can separate the test signal from the data region. The transmitter 03 is set to be a return device that is connected to the insertion/separation device in series and returns the test signal transmitted from the insertion/separation device for transmitting to the insertion/separation device. In the method, light output is stopped at a client side IF of transmitters 01, 04 positioned at both the ends of a path executing the line test in advance before the execution of the line test, and the stop of the light output at the client side IF or output control by unauthorized signal transmission is canceled after the line test is completed.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够执行停机线路测试而不导致主信号中的通信断开的线路测试装置和线路测试方法。
解决方案：在线路测试方法中，发射机02,03之间发送和接收测试信号到发射机部分的测试线路。发射机02被设置为插入/分离装置，其可以将测试信号插入到数据区域中，并且可以将测试信号与数据区分离。发射机03被设置为与插入/分离装置串联连接的返回装置，并将从插入/分离装置发送的测试信号返回到插入/分离装置。在该方法中，在执行线路测试之前，预先在位于执行线路测试的路径的两端处的发射机01，04的客户侧IF停止光输出，并且在客户端停止光输出线路测试完成后，侧面IF或未经授权的信号传输的输出控制被取消。版权所有（C）2009，JPO＆INPIT

24. 发明专利

JP2005057705A Optical wavelength multiplex communication system 有权
标题翻译：光波长多路通信系统
公开(公告)号：JP2005057705A
公开(公告)日：2005-03-03
申请号：JP2003289367
申请日：2003-08-07
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： TSUJIKAWA KYOZO , YOSHIMOTO NAOTO
IPC分类号： G02B6/00 , G02B6/036 , G02B6/293 , H04J14/00 , H04J14/02 , G02B6/22
摘要： PROBLEM TO BE SOLVED: To provide a wide wavelength area WDM communication system using a laid SMF transmission path and a short wavelength light source. SOLUTION: A transmitter 7 is constituted of N number of optical sources 71 and an optical multiplexing unit 72. N number of signal lights which are combined together are transmitted through an SMF cable transmission path 9 and received by a receiver 8. A photonic crystal optical fiber (mode filter) 10 is provided at the post stage of an optical combining unit 72 in the transmitter 7. The shortest wavelength of the light source 71 in the transmitter 7 is shorter than an actual cutoff wavelength of the SMF transmission path 9. The photonic crystal optical fiber for transmitting only the basic transmission mode in the shortest wavelength is used as the mode filter 10. High speed single mode transmission can be performed after receiving only the basic transmission mode via a reception circuit 82 in the receiver 8 by the mode filter 10. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供使用铺设的SMF传输路径和短波长光源的宽波长区WDM通信系统。解决方案：发射机7由N个光源71和光复用单元72组成。组合在一起的N个信号光通过SMF电缆传输路径9传输并由接收机8接收。在发射机7中的光学合成单元72的后级提供光子晶体光纤（模式滤波器）10。发射机7中的光源71的最短波长比SMF传输路径的实际截止波长短用于仅发送最短波长的基本传输模式的光子晶体光纤用作模式滤波器10.可以经由接收机8中的接收电路82仅接收基本传输模式之后执行高速单模传输通过模式过滤器10.版权所有（C）2005，JPO＆NCIPI

25. 发明专利

JP2014236502A 加入者側装置及び加入者側装置の省電力制御方法有权
标题翻译：订户侧设备和订户侧设备节电控制方法
公开(公告)号：JP2014236502A
公开(公告)日：2014-12-15
申请号：JP2013119266
申请日：2013-06-05
申请人：日本電信電話株式会社 , Nippon Telegr & Teleph Corp
发明人： UJIKAWA HIROTAKA , YAMADA TAKASHI , YOSHIMOTO NAOTO
IPC分类号： H04L12/44
摘要：【課題】本発明は、電話サービスのような上位レイヤのセッションを維持しながら、通信機器の電力供給を停止することで消費電力低減を実現することを目的とする。【解決手段】上位レイヤにおける再送を考慮し、再送処理が終了する前に通信機器に電力を供給し、受信可能な状態にすることで、上位レイヤのセッションを維持し、かつセッションが終了しない範囲で通信機器への電力供給を停止することで、消費電力を減じる。【選択図】図2
摘要翻译：要解决的问题：通过停止对通信设备的电源同时维持诸如电话服务的上层层会话来实现功耗的降低。解决方案：用户侧设备在完成重传处理之前向通信设备供电考虑到上级层的重传，将通信装置转移到可接收状态，从而维持上层层会话，并且在会话未结束的范围内停止对通信装置的电力供应，从而减少能量消耗。

26. 发明专利

JP2014222830A 通信装置および通信装置を用いた省電力化方法有权
标题翻译：通信设备和使用通信设备的省电方法
公开(公告)号：JP2014222830A
公开(公告)日：2014-11-27
申请号：JP2013101856
申请日：2013-05-14
申请人：日本電信電話株式会社 , Nippon Telegr & Teleph Corp , 国立大学法人東北大学 , Tohoku Univ
发明人： NOMURA HIROKO , UJIKAWA HIROTAKA , SUZUKI KENICHI , YOSHIMOTO NAOTO , NISHIYAMA DAIKI , KATO YASUSHI
IPC分类号： H04L12/44 , H04W52/02 , H04W84/12
CPC分类号： Y02D70/00 , Y02D70/10
摘要：【課題】本発明は、加入者側終端装置および無線端末を効率よく省電力化することを目的とする。【解決手段】本発明は、加入者系ポイント・トゥ・マルチポイント型光通信ネットワークにおける加入者側終端装置及び無線LAN基地局として機能する通信装置であって、加入者側終端装置及び無線LAN基地局は、加入者側終端装置に対して省電力制御を行う局側通信装置から通知される光制御信号に含まれる情報又は無線LAN基地局に接続されている無線端末に対して省電力制御を行う無線制御信号に含まれる情報を共有し、光制御信号に含まれる情報及び無線制御信号に含まれる情報に基づいて省電力制御を行う。【選択図】図1
摘要翻译：要解决的问题：实现用户侧终端设备和无线终端的高效省电。解决方案：用户系统点对多点类型的光通信网络包括用作用户侧终端设备的通信设备，以及用作无线电LAN基站的通信设备。用户侧终端装置和无线LAN基站共享从执行节能控制的站侧通信装置发送到用户侧终端装置的光控制信号中包含的信息或者对无线终端进行省电控制的无线控制信号中包含的信息连接到无线电LAN基站，并且基于包括在光控制信号中的信息和包括在无线电控制信号中的信息来执行功率节省控制。

27. 发明专利

JP2014165559A Station side device and link speed changing method 有权
标题翻译：站点设备和链路速率变化方法
公开(公告)号：JP2014165559A
公开(公告)日：2014-09-08
申请号：JP2013032748
申请日：2013-02-22
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社 , Keio Gijuku , 学校法人慶應義塾
发明人： TADOKORO MASASHI , KUBO SONHIRO , YAMADA TAKASHI , SUZUKI KENICHI , YOSHIMOTO NAOTO , KUBO RYOGO
IPC分类号： H04L12/44 , H04B10/272
摘要： PROBLEM TO BE SOLVED: To provide an optical subscriber line terminator which can minimize power consumption of the entire system by performing downlink speed selection depending on an actual use band, thereby reducing the start-up time of a station side transmitter, and to provide an optical network terminator.SOLUTION: Downlink speed selection adapted to an actual use band is performed by determining a downlink speed used, based on the band information after performing NC processing.
摘要翻译：要解决的问题：提供一种光用户线路终端器，其可以通过根据实际使用频带执行下行链路速度选择来最小化整个系统的功耗，从而减少站侧发射机的启动时间，并且提供光网络终端器。解决方案：通过在执行NC处理之后基于频带信息确定使用的下行链路速度来执行适合于实际使用频带的下行链路速度选择。

28. 发明专利

JP2014052272A Electromagnetic wave detection system and electromagnetic wave detection method 审中-公开
标题翻译：电磁波检测系统和电磁波检测方法
公开(公告)号：JP2014052272A
公开(公告)日：2014-03-20
申请号：JP2012196662
申请日：2012-09-06
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社 , Osaka Univ , 国立大学法人大阪大学
发明人： FUKADA YOICHI , YOSHIMOTO NAOTO , HISATAKE SHINTARO , NAGATSUMA TADAO
IPC分类号： G01N21/35
摘要： PROBLEM TO BE SOLVED: To allow electromagnetic wave detection with high SN ratio even if an RF signal has a frequency variation Δω(t) accompanying frequency variations in a light source.SOLUTION: An electromagnetic wave detection method includes the steps of: branching a beam from one light source into two; branching, into two, a beam from the other light source emitting light of frequency different from that of the one light source; shifting one of the branched four beams by only a frequency of an oscillation signal having a constant frequency; multiplexing respective two beams of the four branched beams including the beam shifted by only a constant frequency, having different light sources to one another to form two pairs of the beams; using the other pair of beams of the two pairs of multiplexed beams, as LO signal; irradiating a measured object with a first RF signal; performing heterodyne detection by mixing the first RF signal penetrating or reflected on the measured object and the LO signal, and outputting a detection signal having as frequency a difference frequency between two beams composing the LO signal and a difference frequency of the frequencies of the first RF signal; and subjecting the detection signal to two-phase lock-in detection by the oscillation signal, and outputting an in-phase component having the same phase as the detection signal and a quadrature component having a quadrature phase to the detection signal.
摘要翻译：要解决的问题：即使RF信号具有伴随光源中的频率变化的频率变化＆Dgr;ω（t），可以允许具有高SN比的电磁波检测。解决方案：电磁波检测方法包括以下步骤：分支从一个光源到两个光束; 将来自另一光源的光束分支成两个，所述光束发射与所述一个光源的频率不同的频率; 使分支四个光束中的一个只有具有恒定频率的振荡信号的频率; 将包括仅具有恒定频率的波束的四个分支波束的相应两个波束彼此不同的光源相互组合以形成两对波束; 使用两对复用波束的另一对波束作为LO信号; 用第一RF信号照射测量对象; 通过混合在测量对象上穿透或反射的第一RF信号和LO信号来执行外差检测，并且输出具有作为组合LO信号的两个波束之间的差频的频率和第一RF的频率的差频的检测信号信号; 并且通过振荡信号对检测信号进行两相锁定检测，并将与检测信号具有相同相位的同相分量和具有正交相位的正交分量输出到检测信号。

29. 发明专利

JP2012049711A Station side termination device and optical communication system 审中-公开
标题翻译：站端终端设备和光通信系统
公开(公告)号：JP2012049711A
公开(公告)日：2012-03-08
申请号：JP2010188645
申请日：2010-08-25
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： MITSUI TAKASHI , SAKAMOTO TAKESHI , YOSHIMOTO NAOTO
IPC分类号： H04L12/44
摘要： PROBLEM TO BE SOLVED: To provide an OLT for PON protection and an optical communication system with PON protection capable of switching a communication path in a short time when a communication path failure occurs.SOLUTION: An optical communication system includes a plurality of optical transceivers for PON and a control circuit section capable of controlling all ONUs, connected to the optical transceivers for the PON, based on an administration table storing the information on the ONU grasped through a signal for a registration process or a propagation time measurement and a maintenance survey signal for each of the ONUs. An OLT performs failure recovery by switching a communication path within a predetermined period of time while the control circuit maintains the information stored in the administration table, when a failure of the optical transceiver for PON is detected.
摘要翻译：要解决的问题：提供PON保护的OLT和具有能够在发生通信路径故障的短时间内切换通信路径的PON保护的光通信系统。解决方案：光通信系统包括多个用于PON的光收发器和能够控制连接到PON的光收发器的所有ONU的控制电路部分，其基于存储关于所掌握的ONU的信息的管理表用于每个ONU的注册处理或传播时间测量的信号和维护测量信号。当检测到用于PON的光收发器的故障时，OLT通过在预定时间段内切换通信路径来执行故障恢复，同时控制电路保持存储在管理表中的信息。版权所有（C）2012，JPO＆INPIT

30. 发明专利

JP2012015737A Station side termination device, optical communication system and concentration method 有权
标题翻译：站点终端设备，光通信系统和集中方法
公开(公告)号：JP2012015737A
公开(公告)日：2012-01-19
申请号：JP2010149552
申请日：2010-06-30
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： MITSUI TAKASHI , SAKAMOTO TAKESHI , YOSHIMOTO NAOTO
IPC分类号： H04L12/44
摘要： PROBLEM TO BE SOLVED: To provide an OLT, an optical communication system, and a concentration method which can suppress an increment in OLT cost associated with addition of a concentration function.SOLUTION: An OLT of the present invention is configured to install a transceiver instead of a conventional OSU, and have a selector for concentrating an uplink signal from an ONU received by each transceiver. Moreover, the OLT of the present invention controls transmission time of uplink signals in such a way that MPCP frames and data frames of uplink signals from respective ONUs mutually do not arrive at OLT simultaneously.

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