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Electronic key-control and management system for vending machines

  • US 20050165806A1
  • Filed: 12/13/2004
  • Published: 07/28/2005
  • Est. Priority Date: 12/11/2003
  • Status: Active Grant
First Claim
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1. A key management system for management of electronic keys used to access electronic locks of vending machines, comprising:

  • a computer having a software program for key management functionality;

    a database containing key management data; and

    a cradle communicating with the computer for interfacing the computer with an electronic key;

    the software program having computer-executable instructions for performing an automatic key refreshing operation with the steps of;

    receiving an initial transmission from a key through the cradle, the initial transmission initiating the automatic key refreshing operation;

    receiving a key identification number from the key through the cradle;

    retrieving from the database information of a user of the key and operation limit parameters for said user based on the key identification number; and

    sending the operation limit parameters through the cradle to the key for writing into a memory of the key.

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