×

MULTIPLEXING SYSTEM FOR A FUEL TRANSACTION ENVIRONMENT

  • US 20140074282A1
  • Filed: 11/15/2013
  • Published: 03/13/2014
  • Est. Priority Date: 01/26/2012
  • Status: Abandoned Application
First Claim
Patent Images

1. A fuel transaction system for enabling the purchase of fuel from a location having a fuel dispensing system, a remote station and two underground communication wires positioned between the remote station to the fuel dispensing system in a current loop comprising:

  • a) an active multiplexing/demultiplexing unit having active power and two data inputs and two data outputs actively connected to the fuel communication system and a two wire output for connection to an end of the two leading wires;

    b) a passive multiplexing/demultiplexing unit having a two wire input for connection to an opposite end of the two communication wires and a four wire data output for connection to the remote station comprising a first and second bidirectional current loop connected to the remote station;

    c) wherein the active and passive units are actively connected from the two wire output to the two wire input via the two communication wires; and

    d) wherein the system is capable of multiplexing/demultiplexing 4 wire data to and from the fuel dispensing system and the 4 data wire remote station via the two communication wires set up as a current loop.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×