Transaction card magnetic stripe emulator
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United States of America Patent
Stats
-
Dec 13, 1988
Grant Date -
N/A
app pub date -
Jun 3, 1986
filing date -
Jun 3, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device and method for transferring data from a microprocessor located in a transaction card through a card reader by emulating a prerecorded magnetic stripe on a conventional transaction car such as a credit or debit card. Data is sequentially produced by the microprocessor within the card and applied to a magnetic field generator which produces magnetic fields that emulate prerecorded data on a conventional magnetic stripe of a transaction card. This allows transfer of data from a microprocessor to standard card readers without the necessity of substantially modifying the card reader device. Circuitry is also provided for detecting the position and speed of movement of the card through the card reader to ensure that all of the data is transmitted from the microprocessor to the magnetic field generators within the scanning time of the card across read head of the card reader.
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