Payment card with display

Registers – Records – Magnetic

Patent

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Details

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.

REFERENCES:
patent: 3812490 (1974-05-01), Goodrich
patent: 3863249 (1975-01-01), Olah
patent: 3935571 (1976-01-01), Sargent
patent: 4288936 (1981-09-01), Okutsu
patent: 4450440 (1984-05-01), White
patent: 4536428 (1985-08-01), Murata
patent: 4675476 (1987-06-01), Kobayashi
patent: 4831372 (1989-05-01), Riddoch
patent: 5055662 (1991-10-01), Hasegawa
patent: 5192947 (1993-02-01), Neustein
IBM Technical Disclosure Bulletin, "Credit Card with an Erasable Field for Human Readability" R. M. Ross vol. 8, No. 11. Apr. 1966.

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