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Vending machine

  • US 6,556,889 B2
  • Filed: 12/21/2000
  • Issued: 04/29/2003
  • Est. Priority Date: 03/20/1998
  • Status: Expired due to Term
First Claim
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1. A method of initializing a vending machine, comprising:

  • providing a vending machine having a plurality of shelves, an elevator shaft, an elevator vertically movable in the elevator shaft, a sensor attached to the elevator, and a controller in communication with the sensor;

    loading items onto the plurality of shelves;

    programming the controller;

    passing the elevator along an extent of the elevator shaft;

    sensing at least one parameter of more than one of the plurality of shelves using the sensor;

    communicating the sensed parameters from the sensor to the controller; and

    determining at least one of a number and a location of the plurality of shelves.

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