IC card with individual authentication function

Details IC card with individual authentication function IC card with individual authentication function

1991-04-05

1993-01-19

LaRoche, Eugene R.

Registers

Systems controlled by data bearing records

Credit or identification card systems

235382, 235487, 235492, 34082534, G06K 500, G06K 1906

Patent

active

051809010

ABSTRACT:
A pressure sensor for inputting finger characteristic data and an authenticity sensor for detecting whether a finger is authentic are arranged on the surface of an IC card. A finger can be placed on the pressure sensor and the authenticity sensor at the same time. Finger characteristic data is input by the pressure sensor. A controller calculates a sum signal from the input finger characteristic data, and collates the calculated sum signal with a reference sum signal of an owner of the card stored in a dictionary memory. An authenticity detecting circuit inputs data from the authenticity sensor, and detects whether a finger is authentic. If the finger is authentic and if a coincidence is determined between the calculated and reference sum signals, the use of the IC card is permitted.

REFERENCES:
patent: 3576537 (1971-04-01), Ernst
patent: 4582985 (1986-04-01), Lofberg
patent: 4805223 (1989-02-01), Denyer
patent: 5053608 (1991-10-01), Senanayake

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