Data modification for magnetic cards and devices
First Claim
1. A device comprising:
- at least one storage device operable to store payment information associated with error detection data;
a communication device operable to communicate a payment message including the payment information in a first format and a second format; and
a processor operable to receive a communication parameter indicative of the second format, determine the error detection data is associated with error free payment message receive errors indicating that said second format causes receive errors, and to communicate the payment message in the first format via the communication device based on the determination.
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Accused Products
Abstract
Programming fixtures are provided that program devices, such as payment cards, with data, such as personal data, using light transmitters and receivers for powered cards, or using magnetic write heads for non-powered cards. A processor within the powered card computes a magnetic stripe message and associated longitudinal redundancy check (LRC) value based upon the personal data. The processor compares the LRC value against a list of LRC exceptions and changes the magnetic stripe message to change the LRC value based upon a positive comparison. A programming fixture may compute the magnetic stripe message and may change the magnetic stripe message before writing the magnetic stripe message to a static magnetic stripe upon a detection that the associated LRC value matches an LRC exception.
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Citations
19 Claims
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1. A device comprising:
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at least one storage device operable to store payment information associated with error detection data; a communication device operable to communicate a payment message including the payment information in a first format and a second format; and a processor operable to receive a communication parameter indicative of the second format, determine the error detection data is associated with error free payment message receive errors indicating that said second format causes receive errors, and to communicate the payment message in the first format via the communication device based on the determination. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A device comprising:
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at least one storage device operable to store first payment data associated with first error detection data, the first payment data including payment information; a communication device operable to communicate a payment message; and a processor operable to determine the first error detection data is associated with error free payment message receive errors indicating that said first format causes receive errors, and to communicate second payment data and second error correction data in the payment message, the second payment data including the payment information. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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Specification