Patent ID: 8103064

Claim:
A personal identification apparatus comprising: one or more light sources for irradiating light to a finger; an image pickup unit having an opening for inputting light transmitted through a finger which is irradiated by only an external light or by both of the external light and the one or more light sources, for picking up an image by using the light transmitted through the finger which is irradiated by only the external light or by both of the external light and the one or more light sources; a housing having the one or more light sources and the image pickup unit within the housing; a light source power control unit for changing light power of the one or more light sources; an opening fabricated on a surface of the housing; and a partition forming a space which excludes other internal components than the opening of the image pick up and the opening of the housing, wherein the partition has a hole that exposes the opening of the image pick up toward an inside of the space.