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System including multiple device communications controller which coverts data received from two different customer transaction devices each using different communications protocols into a single communications protocol

  • US 5,239,662 A
  • Filed: 06/26/1992
  • Issued: 08/24/1993
  • Est. Priority Date: 09/15/1986
  • Status: Expired due to Term
First Claim
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1. A communications system comprising:

  • a plurality of customer transaction devices on site at a store location, at least two of said plurality of customer transaction devices using two different communications protocols; and

    a multiple device communications controller unit connected to receive data from said plurality of customer transaction devices using said at least two communications protocols, said multiple device communications controller unit converting data received from said plurality of customer transaction devices into a single communications protocol for transmission to a district central site along a single communications link for processing at said district central site, said district central site being remote from said store location; and

    means for altering at least one communication protocol that said multiple device communications controller unit uses to communicate with at least one of said plurality of customer transaction devices, said means for altering being responsive to custom object code downloaded from said district central site.

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