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Retrofit audit system

  • US 20030158625A1
  • Filed: 10/22/2002
  • Published: 08/21/2003
  • Est. Priority Date: 10/23/2001
  • Status: Active Grant
First Claim
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1. A retrofit audit system comprising:

  • a master module containing a microprocessor capable of reading information directly from a target vending machine control system or operational device, the master module including at least one communication port;

    a plurality of sub-modules connected to the at least one communication port of the master module, the sub-modules capable of detecting additional information from the target vending machine or operational device.

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