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Distributed drum emulating programmable controller system

  • US 4,591,967 A
  • Filed: 07/25/1985
  • Issued: 05/27/1986
  • Est. Priority Date: 06/29/1982
  • Status: Expired due to Fees
First Claim
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1. A programmable controller system comprising:

  • a plurality of central processing units;

    a data exchange bus interconnecting each of said central processing units for the transmission and receipt of data between all of said central processing units;

    each of said central processing units being adapted to transmit preselected data assigned to said unit to each of said other central processing units along said data exchange bus;

    each of said central processing units including a memory for storage of data;

    said memory in each of said central processing units being adapted to store all preselected data assigned to that unit and all data transmitted by each of said other units along said data exchange bus such that all of said preselected data assigned to each of said plurality of units is stored in every one of said units.

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