Method and system using a bitmap for passing contactless payment card transaction variables in standardized data formats
First Claim
1. A method for integrating proximity payment card transaction parameters for a payment-by-proximity-card transaction in industry standard -ISO 7811-formatted magnetic card data structures, wherein said magnetic card data structures comprise industry-standard Track 1, Track 2 and Track 3 magnetic card data structures, such that said proximity payment transaction parameters are in a format compatible with an electronic payment system infrastructure for processing magnetic stripe card payment transactions, the method comprising the steps of:
- (a) providing in a data field on a proximity payment card a static bitmap which identifies unused positions in a discretionary data field of said magnetic card formatted data structure associated with said proximity payment card; and
(b) contactlessly transmitting said bitmap to a proximity payment terminal for placing said proximity payment card transaction parameters in the discretionary data field of said industry standard magnetic card formatted data structure at positions identified by the bitmap,the resulting electronic proximity payment transaction processing message generated by said proximity payment terminal using said bitmap is in a standard magnetic stripe format compatible with electronic payment system infrastructure for processing magnetic stripe card payment transactions and so that the payment-by-proximity-card transaction is processed by said electronic payment system infrastructure as if the payment-by-proximity-card transaction is a standard magnetic stripe card payment transaction.
1 Assignment
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Accused Products
Abstract
An electronic payment system is configured to process both proximity payment card type and magnetic stripe card type transactions. The magnetic stripe card transaction data is communicated between cards, readers, and transactions authorizing or approving parties in common industry ISO 7811 standard data structures or tracks. The proximity payment card transaction data such a dynamic authentication codes are placed in unused space in the same standard formatted data structures. The availability of unused space varies with card issuer or vendor. An issuer-specific bitmap provides an index to the available space in discretionary data fields in magnetic stripe tracks. The bitmap also is stored in the card'"'"'s discretionary data field.
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Citations
16 Claims
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1. A method for integrating proximity payment card transaction parameters for a payment-by-proximity-card transaction in industry standard -ISO 7811-formatted magnetic card data structures, wherein said magnetic card data structures comprise industry-standard Track 1, Track 2 and Track 3 magnetic card data structures, such that said proximity payment transaction parameters are in a format compatible with an electronic payment system infrastructure for processing magnetic stripe card payment transactions, the method comprising the steps of:
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(a) providing in a data field on a proximity payment card a static bitmap which identifies unused positions in a discretionary data field of said magnetic card formatted data structure associated with said proximity payment card; and (b) contactlessly transmitting said bitmap to a proximity payment terminal for placing said proximity payment card transaction parameters in the discretionary data field of said industry standard magnetic card formatted data structure at positions identified by the bitmap, the resulting electronic proximity payment transaction processing message generated by said proximity payment terminal using said bitmap is in a standard magnetic stripe format compatible with electronic payment system infrastructure for processing magnetic stripe card payment transactions and so that the payment-by-proximity-card transaction is processed by said electronic payment system infrastructure as if the payment-by-proximity-card transaction is a standard magnetic stripe card payment transaction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A proximity payment terminal for integrating proximity payment card transaction parameters related to a payment-by-proximity-card transaction, involving a proximity payment card and a terminal, in industry standard -ISO 7811-magnetic card formatted data structures, wherein said magnetic card data structures comprise Track 1, Track 2 and Track 3 data structures in electronic payment transaction processing messages, such that said proximity payment transaction parameters are in a format compatible with an electronic payment system infrastructure for processing magnetic stripe card payment transactions, the terminal comprising:
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(a) a receiver for receiving from a proximity payment device a static bitmap which identifies unused positions in a discretionary data field of said industry standard formatted data structure associated with said proximity payment device, which discretionary data field under the ISO 7811 standard is reserved exclusively for card-issuer discretionary data use and is not designated for use by merchant, acquirer, or other transaction party data; and (b) an application configured to place the proximity payment card transaction parameters in the discretionary data field of said industry standard formatted magnetic card data structure at positions identified by the bitmap so that the resulting in electronic payment transaction processing message is in a format compatible with electronic payment system infrastructure for processing magnetic stripe card payment transactions and so that the payment-by-proximity-card transaction is processed by said electronic payment system infrastructure as if the payment-by-proximity-card transaction is a standard magnetic stripe card payment transaction. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification