Full roll fingerprint apparatus

Details Full roll fingerprint apparatus Full roll fingerprint apparatus

1988-09-23

1990-08-07

Rosenberger, Richard A.

Optics: measuring and testing

Document pattern analysis or verification

G06K 920

Patent

active

049462768

ABSTRACT:
As a live finger is rolled across a glass platen in an optical scan fingerprint apparatus, a series of lights turn on and off to demarcate the line along the platen at which the optical scan is being taken. In this fashion, the finger applied to the platen can be rotated across the platen at a rate that keeps sufficient track with the scan to provide a complete (nail-to-nail) full roll scan.

REFERENCES:
patent: 3527535 (1970-09-01), Monroe
patent: 3975711 (1976-08-01), McMahon
patent: 4537484 (1985-08-01), Fowler et al.
patent: 4553837 (1985-11-01), Marcus
patent: 4783167 (1988-11-01), Schuller et al.

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