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Card charging systems

  • US 6,375,084 B1
  • Filed: 10/14/1999
  • Issued: 04/23/2002
  • Est. Priority Date: 03/29/1999
  • Status: Expired due to Fees
First Claim
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1. A card charging system comprising:

  • (a) a card reader for reading a card;

    (b) a transaction-recording payment facility; and

    (c) a security module located between the card reader and the transaction-recording payment facility, the security module operable to communicate with the transaction-recording payment facility to enable a purchase to be made in return for an amount of credit debited from the card, the system further comprising a clearing centre to which debited amounts are communicated from the security module in association with a unique code assigned to the security module enabling correct revenue apportionment for the particular security module, wherein re-programming the security module to change its unique code can only be carried out in the physical presence of the security module and requires its direct connection to a re-programming device at the clearing centre.

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