Patent ID: 8517279
Filing Date: 2013-08-27
Classification: G06Q,G07F

Abstract:
1. A payment card comprising: a plastic body, a non-volatile programmable memory configured to store an account identifier associated with an account of the payment card and a current card balance after a transaction, wherein the current card balance is encoded on the non-volatile programmable memory after receiving current balance information from a point-of-sale (POS) device; an input-output module configured to provide the account identifier to the POS during a first presentation of the payment card to the POS, wherein the POS requests current balance information from an issuer of the payment card responsive to the first presentation using the account identifier, and the input-output module is further configured to receive the current balance from the POS during a second presentation of the payment card to the POS, wherein the first and second presentations occur sequentially during the transaction; a button configured to receive a request for the current card balance; and a display configured to show the current card balance responsive to the button receiving the request for the current card balance.