Finger vein authentication device

摘要

An authentication device including: a finger presenting unit to which a finger to be authenticated is presented; an opening formed on the finger presenting unit; a light source that irradiates light onto the finger; an image capture unit that captures a picture including a vein of the finger, by the light; and a finger placement table capable of placing a finger thereon, except the finger to be authenticated, wherein the finger placement table has a surface, a height of which is higher than the finger presenting unit, wherein the light source is placed inside the finger placement table, and wherein the finger placement table has a sidewall having a window that is used to allow an irradiation axis of the light from the light source upon the image capture unit.

主权项

1. An authentication device comprising:
a finger presenting unit to which a finger to be authenticated is presented; an opening formed on the finger presenting unit; a light source that irradiates light onto the finger; an image capture unit that captures a picture including a vein of the finger, as illuminated by the light; and a finger placement table capable of placing a finger thereon, except the finger to be authenticated; wherein the finger placement table is placed higher than the finger presenting unit; wherein the finger placement table has a light passing unit in a sidewall thereof, that is used to allow the light from the light source to pass towards a region on which the finger to be authenticated is presented; and wherein a height of the finger placement table is higher than a height of an intersection of the light source irradiation axis with an edge of the light passing unit.