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Station for power line access data system

  • US 3,944,723 A
  • Filed: 12/05/1974
  • Issued: 03/16/1976
  • Est. Priority Date: 12/05/1974
  • Status: Expired due to Term
First Claim
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1. A central station for a two-way communication system utilizing a power distribution network as the communication medium, said system comprising a plurality of multi-level, addressable repeaters, said central station comprising:

  • coupling means for coupling the central station to said power distribution network;

    transceiver means coupled to said coupling means for transmitting and receiving signals between said central station and said two-way communication system;

    teletypewriter buffer means for transferring information between said central station and a data processing computer;

    decoding logic means coupled to said transceiver means for decoding tone code signals from said system;

    data handling means coupled to said decoding logic means and said teletypewriter buffer means for monitoring data from said system and storing control information from a computer by way of said teletypewriter buffer means; and

    tone generating means coupled to said data handling means and said transceiver means for generating address selection tone codes, selecting a particular communication path through said network under the control of the information stored in said data handling means.

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