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    • 1. 发明授权
    • Selection system for digital signal repeaters
    • 数字信号中继器选择系统
    • US4270029A
    • 1981-05-26
    • US20873
    • 1979-03-15
    • Masanori SatoHiroharu WakabayashiYoshihiro EjiriHitoshi Yamamoto
    • Masanori SatoHiroharu WakabayashiYoshihiro EjiriHitoshi Yamamoto
    • H04B17/40H04B1/60
    • H04B17/406
    • A digital signal repeater selecting system for a digital signal transmission system equipped with a plurality of digital signal repeaters disposed on a transmission line at desired intervals, in which there are provided in each of the repeaters a delay circuit having a particular delay time corresponding to an integral multiple of the unit code length of a digital signal and assigned to the repeater and having its input terminal connected to the transmission line, and a code comparator for comparing the input signal to and the output signal from the delay circuit with each other to produce a predetermined output signal when the both signals are decided to be substantially identical with each other, and in which when a repeater selecting code train repeating in synchronism with the delay time is applied to the transmission line, the repeater to which the delay time is assigned produces the predetermined output signal from the code comparator to allow an operation of selecting the repeater. The above principle can be applied to monitor the condition of the transmission line.
    • 一种用于数字信号传输系统的数字信号中继器选择系统,该数字信号传输系统配备有以所需间隔设置在传输线上的多个数字信号中继器,其中在每个中继器中设置延迟电路,该延迟电路具有对应于 数字信号的单位码长度的整数倍,分配给中继器并将其输入端连接到传输线;以及代码比较器,用于将输入信号与来自延迟电路的输出信号相互比较,以产生 当两个信号被确定为彼此基本相同时,预定的输出信号,并且当将与延迟时间同步的中继器选择代码序列应用于传输线时,分配了延迟时间的中继器 从代码比较器产生预定的输出信号,以允许选择重复的操作 呃 上述原理可用于监测传输线的状况。
    • 4. 发明授权
    • Spliced portion housing structure for optical fiber in optical submerged
repeater
    • 光接收式中继器光纤接头部分外壳结构
    • US4505540A
    • 1985-03-19
    • US340350
    • 1982-01-18
    • Kahei FurusawaMakoto NunokawaYoshihiro EjiriHitoshi YamamotoYoshihiko YamazakiKoichi Tatekura
    • Kahei FurusawaMakoto NunokawaYoshihiro EjiriHitoshi YamamotoYoshihiko YamazakiKoichi Tatekura
    • G02B6/24G02B6/44H02G15/08H02G15/14G02B5/14G02B7/26
    • G02B6/4448
    • A spliced portion housing structure for an optical fiber in an optical submerged repeater, characterized in that, in order to splice together in a joint ring an optical fiber and a power-supplying feeder from the optical submerged repeater to an optical fiber and a power-supplying feeder of a tail cable from a cable coupling of an optical submarine cable, respectively, a joint chamber is provided on an end plate of a housing of the optical submerged repeater in such a manner that the end plate forms a part of the joint chamber; the optical fiber and the power-supplying feeder from the submerged repeater are introduced into the joint chamber through a first feedthrough provided in the end plate for hermetically introducing the optical fiber and the power-supplying feeder; the tail cable from the cable coupling is hermetically introduced into the joint chamber through a second feedthrough provided in the wall of the joint chamber so that the tail cable is insulated from the joint chamber, the optical fibers and the feeders pulled into the joint chamber from both of the first and second feedthroughs are respectively spliced together while being isolated from each other and housed in the joint chamber; the optical fiber spliced portion is fixed to a cage mounted in the joint chamber; and the joint chamber is formed to have a water pressure resisting and airtight structure.
    • 一种用于光学浸没式转发器中的光纤的接合部分壳体结构,其特征在于,为了将接头环中的光纤和从所述光学浸没式中继器馈送到光纤的功率供给馈送器连接在一起, 分别从光学海底电缆的电缆耦合器供给尾缆的馈线,接合室设置在光学浸没式中继器的壳体的端板上,使得端板形成接头室的一部分 ; 来自浸没式中继器的光纤和供电给料器通过设置在端板中的用于气密地引入光纤和供电馈送器的第一馈通引入接头室; 来自电缆耦合器的尾部电缆通过设置在接头室的壁中的第二馈通气密地引入接头室,使得尾部电缆与接头室绝缘,光纤和馈线从接头室中拉出 第一和第二馈通两者分别拼接在一起,同时彼此隔离并容纳在关节室中; 光纤接合部固定在安装在接头室内的保持架上; 并且所述接合室形成为具有耐水压力和气密结构。