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Quantity checking system and method

  • US 4,639,875 A
  • Filed: 05/17/1984
  • Issued: 01/27/1987
  • Est. Priority Date: 05/17/1984
  • Status: Expired due to Fees
First Claim
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1. A quantity checking system for a plurality of storage racks for storage of articles in a vending machine with the articles adapted to be dispensed from the racks, said articles adapted to be stored along the length of each rack in numerical sequence, said system comprising in combination:

  • means for dispensing articles from the racks;

    passive indicia mounted adjacent each of said plurality of racks and adapted to identify a plurality of different brands of articles;

    each of said indicia being subdivided along the length of the rack into passive individual indicia, each one corresponding to the numerical sequence of the respective adjacent article stored in the rack;

    interrogation means unconnected to, yet cooperable with, said indicia for interrogating and determining data from said indicia as to a particular rack and the sequential number of the last article near one end of the particular rack at that instant;

    memory means having an input from said interrogation means to store data from each said indicia from each interrogation of the plurality of storage racks and to store data from at least one prior interrogation of the plurality of storage racks; and

    a computer connectable to said memory means to determine which brands of articles are being dispensed more frequently.

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