As for this invention, as for this device it has the prism optical element (16) in regard to the device which identifies the individual due to the body crest picture, and the image pickup of the vein net under the skin, as for the prism optical element (16), the 1st inclined side (19) which receives the 1st emission light which possesses the 1st wave length which is given out the region of the body by the 1st illumination expedient (7) which (1) because of addition illuminates the large aspect (17) and the large aspect with total reflection and, it receives the reflected light of the 1st emission light which carries the picture of the body crestThe 2nd inclined side (20) which in the 1st sensor (6a) confronts and, it is vertical to the addition territory, it possesses with the small aspect (18) where it receives the 2nd emission light which possesses the 2nd wave length which is given out the region of the body by the 2nd illumination expedient (8) which permeates in (1) in the 2nd sensor (6b) which receives the reflected light of the 2nd emission light which carries the picture of the vein net the lower stratum it confronts.本発明は、身体紋画像、及び、皮下の静脈網の撮像により個人を識別する装置に関し、本装置はプリズム光学素子(16)を備え、プリズム光学素子(16)は、身体の部位(1)の付加のための大きい面(17)と、全反射で大きい面を照明する第1の照明手段(7)により発せられる第1の波長を有する第1の放射光を受ける第1の傾斜側面(19)と、身体紋の画像を運ぶ第1の放射光の反射光を受ける第1のセンサー(6a)に面する第2の傾斜側面(20)と、付加領域に垂直であり、身体の部位(1)に浸透する第2の照明手段(8)により発せられる第2の波長を有する第2の放射光を受け、下層の静脈網の画像を運ぶ第2の放射光の反射光を受ける第2のセンサー(6b)に面する小さい面(18)とを有する。
