Payment card with display
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United States of America Patent
Stats
-
Oct 25, 1994
Grant Date -
N/A
app pub date -
Apr 6, 1992
filing date -
Apr 6, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A new type of payment card includes a magnetically controlled display for visually reading magnetically recorded information such as current balance or available service value of the payment card. The required electronic and mechanical interface can be added to existing payment card handling equipment.
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