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Collision avoiding system and protocol for a multiple access digital communications system

  • US 4,439,763 A
  • Filed: 09/03/1981
  • Issued: 03/27/1984
  • Est. Priority Date: 09/03/1981
  • Status: Expired due to Term
First Claim
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1. A method for controlling digital signals in a communications system, said system including a communications loop, a plurality of stations, at least two of said stations being respectively coupled to a first and a second signal path of said loop, said method including the steps of writing a first packet signal on said first path and reading a second packet signal from said second path and characterized in that said method further comprising the steps ofreading a third packet signal from said first path andavoiding a collision on said communications loop in response to said third packet.

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