| 摘要 |
PROBLEM TO BE SOLVED: To attain a compact and highly accurate lower irradiation type finger vein authentication device by providing a configuration for stabilizing a finger, and further preventing an adverse influence due to left and right fingers.SOLUTION: Provided are: a central finger loading stand 26 on which a finger of an authentication target is loaded; a light source 3 that irradiates the finger with infrared light; an imaging part 4 that photographs a vein image of the finger with the light from the light source 3; an opening part 20 that opens in a photographing direction of the imaging part 4; a storage device 14 that stores biological information on the finger; an authentication processing part 10 that performs a feature collation of a feature extracted from an image photographed by the imaging part 4 with the biological information stored in the storage device 14; and left and right finger loading stands 27 and 28 on which left and right fingers of fingers of an authentication target are loaded. The left and right finger loading stands 27 and 28 are installed at a slightly higher position with respect to the central finger loading stand 26, and further the left and right finger loading stands 27 and 28 are prepared by a light-shield member, and the light source 3 is installed below the left and right finger loading stands 27 and 28. |
