Fingerprint-based access control and identification apparatus

Details Fingerprint-based access control and identification apparatus Fingerprint-based access control and identification apparatus

1977-11-25

1980-07-01

Thesz, Joseph M.

Communications: electrical

Digital comparator systems

340149R, G06K 912

Patent

active

042108993

ABSTRACT:
A system including electronic, mechanical and optical mechanisms which enable the system to: "read" a human fingerprint directly from a human finger; convert the ridge-valley pattern of that fingerprint into an electronic representation; transmit the electronic representation to a centralized location where image processing computing equipment can locate and extract the distinctive characteristics or minutiae of the fingerprint; compare the minutiae with minutiae previously recorded from the fingerprints of persons whom the system is responsible for identifying; determine whether the identity of the person whose fingerprint is read is known, and, if known, whether or not the person is authorized to enter the portal equipped with this system, or to otherwise act; and, to transmit a signal to the terminal and/or portal regarding the system's decision.

REFERENCES:
patent: 3676847 (1972-07-01), Partin
patent: 3735349 (1973-05-01), Beun et al.
patent: 3771129 (1973-11-01), McMahon
patent: 3859633 (1975-01-01), Ho et al.
patent: 3940795 (1976-02-01), Lemelson

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