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Variance alerting dispenser system and variance detector apparatus and method

  • US 6,718,311 B1
  • Filed: 11/16/1998
  • Issued: 04/06/2004
  • Est. Priority Date: 11/16/1998
  • Status: Expired due to Fees
First Claim
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1. A computer implemented method comprising:

  • a) receiving and storing request indications representing requests for corresponding requested amounts of an item;

    b) receiving and storing provided indications representing provided amounts of said item;

    c) when a representation of a new requested amount is received, cancelling a previous provided amount and reducing said new requested amount by the cancelled previous provided amount and adding any reduced new requested amount to a previous requested amount;

    d) when a representation of a new provided amount is received, cancelling a previous requested amount and reducing said new provided amount by the cancelled previous requested amount and adding and reduced new provided amount to a previous provided amount;

    e) associating said previous requested amounts with respective time periods and associating said previous provided amounts with respective time periods; and

    f) signalling an operator by causing the computer to provide at least one of a visual signal and an audio signal to the operator when the reduced new requested amount or the reduced new provided amount is not equal to zero.

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