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Method and apparatus for collecting and applying vending machine demand information

  • US 6,324,520 B1
  • Filed: 10/01/1998
  • Issued: 11/27/2001
  • Est. Priority Date: 10/09/1997
  • Status: Expired due to Term
First Claim
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1. A computerized method of dispensing a substitute product from a vending machine that includes a processor, comprising:

  • detecting a purchaser;

    receiving an amount of money from the purchaser;

    measuring a time between a detection and a receipt of the amount of money from the purchaser;

    storing a value corresponding to the time;

    receiving at the processor a selection of a first product from the purchaser; and

    if the first product is not available, retrieving a substitute product identifier corresponding to a substitute product;

    offering the substitute product to the purchaser; and

    dispensing the substitute product.

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