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Method and device for servicing a terminal

  • US 5,520,275 A
  • Filed: 06/17/1994
  • Issued: 05/28/1996
  • Est. Priority Date: 12/17/1991
  • Status: Expired due to Term
First Claim
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1. A device for servicing a vending machine, the vending machine including i) a chip card reader for receiving payments to the vending machine and transferring information elements from the vending machine to the device, ii) a servicing door, and iii) a lock for preventing opening of the servicing door, the device comprising:

  • I) a portable secured servicing medium for servicing the vending machine, the portable secured servicing medium includingA) a memory;

    B) a programmed microprocessor;

    C) a means for the exchange of information elements between the portable secured servicing medium and the vending machine; and

    D) an end with a credit card format so that the portable secured servicing medium can be inserted into the chip reader;

    II) a means for transferring information elements pertaining to a state of the vending machine into the memory from the vending machine, before the device services the vending machine; and

    III) a means for unlocking the lock, after information elements pertaining to the state of the vending machine are transferred into the memory.

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