DYNAMIC PIN PAD FOR CREDIT/DEBIT/OTHER ELECTRONIC TRANSACTIONS
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United States of America Patent
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Issued Date -
Dec 20, 2012
app pub date -
Jun 21, 2012
filing date -
Feb 5, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A method for authenticating debit card transactions engaged in by a cardholder on a communications network includes: establishing a network connection with a client being used by the cardholder to engage in a transaction; providing to the client a web page containing a keypad (22) of buttons (24) that collectively define a geometry of the keypad (22), the keypad (22) being employed by the cardholder to enter a PIN via selection of the buttons (24) with a pointing device; obtaining the PIN enter by the cardholder; determining if the PIN is correct for a debit card being used by the cardholder; and for two transactions engaged in by the cardholder, changing a location of the keypad (22) on the web page, the geometry of the keypad (22), a size of the buttons (24) or a spacing between neighboring buttons (24).
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