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    • 53. 发明授权
    • Feeding system and feeding method for a submarine cable communication
system
    • 海底电缆通讯系统的送料系统及送料方式
    • US5334879A
    • 1994-08-02
    • US92563
    • 1993-07-16
    • Yoshiyuki InoueMasaaki TakahashiKenji Ohta
    • Yoshiyuki InoueMasaaki TakahashiKenji Ohta
    • H04B3/44H04B10/80H01H47/14H04B3/02
    • H04B3/44H04B10/808Y10T307/74
    • A feeding system is provided for supplying a current to repeaters on a communication cable including a feed line for conducting a current to the repeaters. The feeding system includes a plurality of branching units provided on the communication cable and terminal stations each being connected through at least one of the repeaters to one of the branching units, and each of the terminal stations feeding a current through the feed line to the repeaters. In addition each of the plurality of branching units includes at least one switching circuit for switching to connect the at least one of the repeaters to the communication cable or to the ground, depending on the amount of current conducting through the feed line in the communication cable. Further, the current thresholds of the switching circuits in the plurality of branching units are preferably different from each other.
    • 提供馈电系统,用于向通信电缆的中继器提供电流,该通信电缆包括用于向中继器传导电流的馈线。 馈送系统包括设置在通信电缆上的多个分支单元和各自通过至少一个中继器连接到分支单元中的一个的终端站,并且每个终端站通过馈线馈送电流到中继器 。 此外,多个分支单元中的每一个包括至少一个开关电路,用于切换以将至少一个中继器连接到通信电缆或地面,这取决于通过通信电缆中的馈线的电流量 。 此外,多个分支单元中的开关电路的电流阈值优选地彼此不同。