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    • 26. 发明专利
    • Optical signal multiplexing and distribution device, optical communication system, and optical signal multiplexing and distribution method
    • 光信号多路复用和分配设备,光通信系统和光信号多路复用和分配方法
    • JP2013223040A
    • 2013-10-28
    • JP2012092297
    • 2012-04-13
    • Fujitsu Ltd富士通株式会社
    • WATANABE SHIGEKIKATO SATOYUKI
    • H04B10/29G02F1/365H04J14/00H04J14/02
    • H04J14/00H04B10/2575H04J14/0272H04J14/0279H04J14/0298H04J2011/0009
    • PROBLEM TO BE SOLVED: To multiplex and transmit information at an installation point on carrier light and receives the transmitted information at the installation point in an optical signal multiplexing and distribution device.SOLUTION: An optical signal multiplexing and distribution device includes: a first optical coupler about which wavelength multiplexed light in which first carrier light and first monitor light are wavelength multiplexed is supplied to a first input and output point from an optical network, and which de-multiplexes the first carrier light and first monitor light; an optical modulator which optically modulates the first carrier light de-multiplexed by the first optical coupler by a signal including a first data signal, and multiplexes the first data signal on the first carrier light; a receiver which receives a partial branch of the first monitor light de-multiplexed by the first optical coupler and demodulates a second data signal from the first monitor light; and a second optical coupler which multiplexes the remains of the partial branch of the de-multiplexed first monitor light and the first carrier light on which the first data signal is multiplexed, and transmits the multiplexed light to the optical network from a second input and output point.
    • 要解决的问题:在载波上的安装点复用和发送信息,并在光信号复用和分配设备的安装点接收发送的信息。解决方案:光信号复用和分配设备包括:第一光耦合器 第一载波和第一监视光被波长多路复用的波长复用光被提供给来自光网络的第一输入和输出点,并且对第一载波和第一监视光进行解复用; 光调制器,其通过包括第一数据信号的信号对由第一光耦合器进行了去复用的第一载波光进行光学调制,并将第一数据信号复用在第一载波上; 接收器,其接收由所述第一光耦合器去复用的所述第一监视器光的部分分支,并且从所述第一监视光解调第二数据信号; 以及第二光耦合器,其将去多路复用的第一监视光的部分支路的剩余部分和第一数据信号被多路复用的第一载波光复用,并将复用的光从第二输入和输出发送到光网络 点。
    • 29. 发明专利
    • Optical communication device, optical output control method, optical communication system, and program
    • 光通信设备,光输出控制方法,光通信系统和程序
    • JP2010041195A
    • 2010-02-18
    • JP2008199625
    • 2008-08-01
    • Nec Corp日本電気株式会社
    • NISHINO MASARU
    • H04B10/03H04B10/07H04B10/079H04B10/275
    • H04B10/07955H04B2210/08H04J14/0221H04J14/0272H04J14/0283
    • PROBLEM TO BE SOLVED: To provide an optical communication insulating barrier film for stopping or reducing optical output in a section where maintenance work is performed, whether a failure occurs or not, and avoiding risks of false operation accompanying stop/reduction of the optical output.
      SOLUTION: An input of a command to stop optical output or a command to reduce optical output to a main signal transmitting section 111 or 121 is received from outside. When the input of the optical output stop command or optical output reduction command is received, an inter-device control signal communication section 102 transmits the optical output stop command or optical output reduction command. On the basis of the input optical output stop command or optical output reduction command, an output of optical signals from the main signal transmitting section 111 or 121 is stopped, or else the output level is reduced to less than the output level during normal operation.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于在执行维护工作的部分中停止或减少光输出的光通信绝缘阻挡膜,是否发生故障,并且避免伴随停止/减少的错误操作的风险 光输出。 解决方案:从外部接收输入停止光输出的命令或减少对主信号发送部分111或121的光输出的命令。 当接收到光输出停止命令或光输出降低命令的输入时,设备间控制信号通信部分102发送光输出停止命令或光输出减少命令。 根据输入光输出停止命令或光输出降低指令,停止来自主信号发送部分111或121的光信号的输出,或者在正常操作期间将输出电平降低到小于输出电平。 版权所有(C)2010,JPO&INPIT