Fingerprint input apparatus

Details Fingerprint input apparatus Fingerprint input apparatus

G - Physics

06

K

G06K 9/20 (2006.01) A61B 5/117 (2006.01)

Patent

CA 2410231

A fingerprint input apparatus includes a light source 2 for emitting light and a fiber optic plate 3 having a finger contact surface with which a finger 1 is brought into contact in order to pick up a fingerprint image of the finger 1. The light from the light source 2 is at first introduced into an inside of the finger 1, is scattered within the inside of the finger 1, and comes out of the finger through the surface of the finger 1 as outgoing light. By the use of the outgoing light, the fingerprint image is formed. The light source 2 is disposed so that the light from the light source 2 enters into a substantial center of a part of the finger 1 including a first joint on a palm side and that the light source 2 is contacted with the finger 1.

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