Patent ID: 7328850
Filing Date: 2008-02-12
Classification: G06K,G07F,H04K

Abstract:
1. An apparatus forming a portable identification card which can be read using a magnetic card reader, comprising: a magnetic stripe on the portable identification card for storing information readable by the card reader; at least one input device on the portable identification card allowing a consumer to enter authentication data; a memory for storing reference data mounted to the portable identification card; a processor mounted to the portable identification card and configured to validate or invalidate the authentication data entered by the consumer relative to the reference data stored in the memory to determine whether the authentication data entered by the consumer is valid or invalid authentication data; an indicator configured to inform a merchant when the processor has determined that the consumer has entered valid authentication data; at least one changeable symbol display for displaying a plurality of changeable symbols selected from a plurality of numeric, alphabetic or other symbols; a power source adapted to supply power to the processor and the indicator.