PROBLEM TO BE SOLVED: To provide a vein authentication device having improved downsizing and thinning.SOLUTION: The vein authentication device 1 includes: light sources 15 for irradiating a body be authenticated with light an imaging sensor 13 for imaging a vein pattern of the body to be authenticated a reflecting mirror 14 for reflecting the light emitted from the light source 15 to allow the light to reach the body to be authenticated and a housing 11 for housing the light sources 15, the imaging sensor 13 and the reflecting mirror 14, in which the imaging sensor 13 is an unmagnification optical system sensor, and the light sources 15 and the reflecting mirror 14 are disposed within a plane which is orthogonal to an optical axis N of the imaging sensor 13 and includes the imaging sensor 13.COPYRIGHT: (C)2012,JPO&INPIT【課題】小型化及び薄型化が向上された静脈認証装置を提供する。【解決手段】被認証体に光を照射する光源15と、被認証体の静脈パターンを撮影する撮像センサ13と、光源15から出射する光を反射し、前記被認証体に到達させる反射鏡14と、光源15、撮像センサ13及び反射鏡14を内蔵する筐体11を備え、撮像センサが13等倍光学系センサであり、光源15及び反射鏡14は、撮像センサ13の光軸Nに直交し且つ撮像センサ13を含む平面内に配設されてなる静脈認証装置1である。【選択図】図1
