IC card system

Details IC card system IC card system

1986-07-01

1988-05-03

Weldon, Ulysses

Communications: electrical

Continuously variable indicating

With meter reading

235380, 34082531, H04Q 100

Patent

active

047423510

ABSTRACT:
An IC card is inserted in an IC card terminal. Under this condition, the PAN data read out from the IC card is compared with the decrypted PAN data for identification purposes. Then, the IC card is removed from the terminal. The PIN data input to the IC card is compared with the PIN data prestored in the IC card. The results of the comparison are used to identify the validity of the IC card, the terminal, and the card owner.

REFERENCES:
patent: 3764742 (1973-10-01), Abbott et al.
patent: 4271482 (1981-06-01), Giraud
patent: 4394654 (1983-07-01), Hofmann-Cerfontaine
patent: 4523087 (1985-06-01), Benton
patent: 4544833 (1985-10-01), Ugon
patent: 4582985 (1986-04-01), Lofberg
patent: 4614861 (1986-09-01), Pavlov et al.

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