PROBLEM TO BE SOLVED: To provide an information processor such as an image reading device for surely and accurately detecting fingerprints by stabilizing movement of fingers in a sweep operation.SOLUTION: This information processor having an operation display part 5 provided on an exterior front part 23 is provided with: a guide part 24 installed in the exterior front part 23 a guide face 26 arranged so as to be inclined to the exterior front part 23 in the guide part 24 for guiding the finger to the direction of the root side of the finger in a state in which the cushion of the finger is brought into contact and a fingerprint sensor 22 arranged on the guide face 26.COPYRIGHT: (C)2009,JPO&INPIT【課題】スイープ動作時の指の動きを安定させて、指紋の検出を確実かつ正確に行なうことができる画像読取装置等の情報処理装置を提供する。【解決手段】外装前面部23に操作表示部5を備える情報処理装置であって、外装前面部23に設けられたガイド部24と、該ガイド部24内に外装前面部23に対して傾斜して配置され、指の腹を接触させた状態で、指の付け根側の方向へ指を移動可能に案内するガイド面26と、該ガイド面26に配置された指紋センサ22と、を備える。【選択図】図3
