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Spread spectrum conferencing communication system

  • US 4,317,204 A
  • Filed: 06/04/1976
  • Issued: 02/23/1982
  • Est. Priority Date: 06/04/1976
  • Status: Expired due to Term
First Claim
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1. A multiple subscriber random access spread spectrum conferencing communication system comprising:

  • means for receiving spread spectrum messages in a plurality of channels;

    means for detecting said messages and for generating a first signal in each channel in response thereto;

    correlation means associated with each channel for correlating said messages with a pseudonoise sequence and for generating a control signal in response thereto;

    multiplexing means for assigning a particular channel to said message when said first signal and said control signal in one channel are time coincident and for locking out said other channels not having said time coincidence from said message; and

    means associated with each of said channels for decoding said message.

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