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    • 5. 发明授权
    • System for distribution of satellite signals from separate multiple satellites on a single cable line
    • 用于在单根电缆线上分配来自分离的多颗卫星的卫星信号的系统
    • US06600730B1
    • 2003-07-29
    • US09137262
    • 1998-08-20
    • Robert W. DavisWalter R. KepleyRobert D. CassagnolDouglas M. Dillon
    • Robert W. DavisWalter R. KepleyRobert D. CassagnolDouglas M. Dillon
    • H04J108
    • H04B7/18517
    • A system for distributing separate multiple satellite communication services signals to receivers at a local earth site on a single cable line. A dual satellite antenna receives the signals from two separate satellites, each of which can correspond to a respective satellite communication service. The received satellite signals are processed into two separate frequency bands. A frequency converter using frequency division multiplexing converts at least one of the received frequency bands so as to position both of the frequency bands adjacent to each other. A summer receives the adjacent frequency bands and distributes them on a single cable line to receivers so that the receivers have access to the separate multiple satellite communication service signals on a single cable line. A demultiplexer coupled to the adjacent frequency bands from the summer enables the plurality of receivers at the output of the demultiplexer lines to obtain simultaneous access to both satellite communication services distributed over the single cable line to the receiver.
    • 用于将单独的多个卫星通信服务信号分发到单个电缆线上的本地地球站点的接收机的系统。 双卫星天线接收来自两个分开的卫星的信号,每个卫星可以对应于相应的卫星通信业务。 接收到的卫星信号被处理成两个分开的频带。 使用频分复用的频率转换器将接收到的频带中的至少一个转换成将两个频带彼此相邻定位。 夏天接收相邻的频带,并将它们分布在单根电缆线路上,以便接收机可以在单根电缆线上访问单独的多个卫星通信业务信号。 耦合到来自夏季的相邻频带的解复用器使得在多路分解器线路的输出处的多个接收机可以同时访问分布在单个电缆线路上的卫星通信服务到接收机。