Patent ID: 7697730

Claim:
A biometrics authentication device, which captures an image of a body part, detects biometrics characteristic data from said captured image for biometrics individual authentication, comprising: an image capture device which captures an image of said body part; a display device which displays screens to guide a user in operating said image capture device; and a control unit which performs image capture operation of said image capture device, detects said biometrics characteristic data from captured images of said body part for biometrics authentification, and wherein said control unit judges, from the output of image capture operations of said image capture device, whether image capture has been successful, temporarily stores the cause of an unsuccessful image capture, and, when image capture is not successful even after image capture operation of said image capture device are executed a prescribed plural number of times, detects a most frequency cause among said temporarily stored plural causes, and displays a guidance screen corresponding to the detected most frequency cause on said display device.