Information processing device

Details Information processing device Information processing device

1983-11-25

1986-05-06

Pitts, Harold I.

Registers

Systems controlled by data bearing records

Credit or identification card systems

G06F 500

Patent

active

045874093

ABSTRACT:
An electronic bookkeeping device is useful in association with use of credit cards for controlling use of various credit cards. The device stores data relative to the extent of use of each card, and assists a user in making the most effective use of a plurality of credit cards.

REFERENCES:
patent: 4222109 (1980-09-01), Siwula

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