×

Electronic key-control and management system for vending machines

DC
  • US 7,373,352 B2
  • Filed: 12/13/2004
  • Issued: 05/13/2008
  • Est. Priority Date: 12/11/2003
  • Status: Active Grant
First Claim
Patent Images

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;

    receiving a 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, wherein the key contains audit trails data collected from vending machines accessed using said key, and wherein the software program has further computer-executable instructions for receiving the audit trails data from the key, and storing the received audit trails data into the database.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×