Fingerprint identification apparatus for enhancing identificatio

Details Fingerprint identification apparatus for enhancing identificatio Fingerprint identification apparatus for enhancing identificatio

1991-11-15

1993-05-11

McGraw, Vincent P.

Optics: measuring and testing

Document pattern analysis or verification

382 4, G06K 928

Patent

active

052105881

ABSTRACT:
A fingerprint identification apparatus includes an illuminating member, a light conducting panel and a light concentration lens formed into a single body for easily assembling and preventing noise produced by the light conducting panel. Also, an ultra-luminance chip coated with a diffuser compound, and a rheostat installed to identify a fingerprint image formed by an imaging lens accurately and clearly enhances the reliability of the fingerprint identification apparatus.

REFERENCES:
patent: 4120585 (1978-10-01), De Palma et al.
patent: 4924085 (1990-05-01), Kato et al.
patent: 5077803 (1991-12-01), Kato et al.

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