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Order persistent timer for controlling events at multiple processing stations

  • US 5,761,431 A
  • Filed: 04/12/1996
  • Issued: 06/02/1998
  • Est. Priority Date: 04/12/1996
  • Status: Expired due to Term
First Claim
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1. An ordered persistent timing apparatus in each station of a plurality of stations in a data transmission system for controlling when data transmission events occur from each station to another station in the data transmission system, said ordered persistent timing apparatus at each station comprising:

  • a traffic detector detecting data transmission in the data transmission system and generating an idle signal and an active signal, the idle signal indicating no data is being transmitted between stations and the active signal indicating data is being transmitted between stations;

    a timer timing intervals of time from the beginning of an active state and from the beginning of an idle state;

    a processor setting a predefined first interval of time to be timed by said timer during an active state to detect successful transmission of data between stations in the data transmission system; and

    said processor responsive to an ordered list of data transmission events setting a deferral interval of time at the station, the deferral interval of time at the station to be timed by said timer at the station during an idle state to time a beginning of a data transmission event from the station during an idle state whereby the data transmission events in the data transmission system do not collide.

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