Portable card authorizer

Details Portable card authorizer Portable card authorizer

1996-05-09

1998-12-15

Gross, Anita Pellman

Registers

Systems controlled by data bearing records

Credit or identification card systems

G06K 500

Patent

active

058500774

ABSTRACT:
A system for authorizing card purchases includes a portable unit having a card reader for reading a card authorization code and a first wireless transceiver for transmitting the card authorization code to a base unit. The base unit has a second wireless transceiver. Responsive to receipt of the transmitted card authorization code, the base unit causes the second wireless transceiver to transmit a credit approval or denial.

REFERENCES:
patent: 3636315 (1972-01-01), Comeau
patent: 4415065 (1983-11-01), Sandstedt
patent: 5010485 (1991-04-01), Bigari
patent: 5202825 (1993-04-01), Miller et al.
patent: 5237487 (1993-08-01), Dittmer
patent: 5256863 (1993-10-01), Ferguson et al.
patent: 5386106 (1995-01-01), Kumar
patent: 5387784 (1995-02-01), Serradin
patent: 5561282 (1996-10-01), Price et al.

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