Financial and similar identification cards read by magnetic...

Registers – Systems controlled by data bearing records – Credit or identification card systems

Reexamination Certificate

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C235S449000, C235S451000, C235S492000, C235S493000

Reexamination Certificate

active

07451923

ABSTRACT:
Apparatus forming a portable charge, debit or similar identification card which can be read using a magnetic card reader and methods for securing information are described. The preferred apparatus includes a magnetic stripe for storing information, a jamming assembly configured to emit a jamming signal which temporarily renders at least a portion of the magnetic stripe unreadable when the card is swiped through the card reader without first entering correct authentication data, and a power source adapted to supply power to the jamming assembly. Other features are also disclosed.

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