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Multipoint data communications

  • US 4,651,330 A
  • Filed: 09/05/1984
  • Issued: 03/17/1987
  • Est. Priority Date: 10/14/1983
  • Status: Expired due to Term
First Claim
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1. A node having a transmitter and a receiver for use in a communication system in which a node sends data to a plurality of outstations and receives data from said outstations, which node includes:

  • (a) a master clock coupled to said transmitter for controlling the rate of data transmission;

    (b) a receive clock coupled to said receiver for controlling data recovery; and

    (c) synchronization means for synchronizing the receive clock with received signals, said node further including means for feeding the output of the master clock to the synchronization means in the absence of said received signals.

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