Registers – Records – Magnetic
Patent
1992-04-06
1994-10-25
Cross, E. Rollins
Registers
Records
Magnetic
235380, 40449, G06K 1906
Patent
active
053591836
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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IBM Technical Disclosure Bulletin, "Credit Card with an Erasable Field for Human Readability" R. M. Ross vol. 8, No. 11. Apr. 1966.
Cross E. Rollins
Schenck Paul F.
Solis Erick
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