Transaction processing system

Details Transaction processing system Transaction processing system

1987-07-30

1989-10-31

Pellinen, A. D.

Registers

Systems controlled by data bearing records

Credit or identification card systems

235379, 34082534, 34082535, 902 22, 902 26, 364405, G06F 1521

Patent

active

048779474

ABSTRACT:
A transaction processing system using a prepaid microchip card includes a customer's microchip card reader/writer for communicating with a customer's microchip card in which a balance is recorded, and a vendor's microchip card reader/writer that can be electrically coupled to the customer's microchip card reader/writer and is used for communicating with a vendor's microchip card in which a balance is recorded. A transaction is processed by deducting the amount of the transaction from the balance in the customer's microchip card and adding this amount to the balance in the vendor's microchip card.

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